Toshiba M50 manual

[CONFIDENTIAL] Toshiba Personal Computer Satellite M50 Maintenance Manual TOSHIBA CORPORATION[...]

ii [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Copyright © 2005 by Toshiba Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of Toshiba. No patent liability is assumed with respect to the use of the inform ation contained herein. Toshiba Personal[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] iii Preface This maintenance manual describes how to perform hardware service maintenance for the Toshiba Personal Computer Satellite M50, referred to as the Satellite M50 Series in this manual. The procedures described in this manual are intended to help service technicians isolate faulty Fiel[...]

iv [CONFIDENTIAL] Satellite M50 Series Maintenance Manual The manual is divided into the following parts: Chapter 1 Hardware Overview describes the Satellite M50 Series system unit and each FRU. Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU problems. Chapter 3 Test and Diagnostics describes how to perform test and di[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] v Conventions This manual uses the following formats to describe, identify, and highlight term s and operating procedures. Acronyms On the first appearance and whenever necessary for clarification, acronyms are enclosed in parentheses following their definition. For example: Read Only Memory (R[...]

vi [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] vii Table of Contents Chapter 1 Hardware Overview 1.1 Features ............................................................................................................................ 1-1 1.2 System Unit .......................................................................................[...]

viii [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Chapter 3 Tests and Diagnostics 3.1 The Diagnostic Test ......................................................................................................... 3-1 3.2 Executing the Diagnostic Test ..........................................................................................[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] ix Chapter 4 Replacement Procedures 4.1 General .................................................................................................................... ..... 4-1 4.2 Battery ............................................................................................................[...]

x [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Appendices Appendix A Handling the LCD Module .................................................................................. A-1 Appendix B Board Layout ....................................................................................................... B -1 Appendix C Pin Assignments [...]

Chapter 1 Hardware Overview 1 [CONFIDENTIAL][...]

1 Hardware Overview 1-ii [CONFIDENTIAL] Satellite M50 Ma intenance Manual[...]

1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-iii Chapter 1 Contents 1.1 Features ...................................................................................................................... 1-1 1.2 System Unit .................................................................................................[...]

1 Hardware Overview 1-iv [CONFIDENTIAL] Satellite M50 Ma intenance Manual Figures Figure 1-1 2.5-inch HDD ................................................................................................ 1-8 Figures Table 1-1 2.5-inch HDD specifications ......................................................................... 1-8 Table 1-2 DVD-ROM &[...]

1.1 Features 1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-1 1.1 Features The Satellite M50 Series Persona l Computer uses exte nsive Large Scale Integration (LSI), and Complementary Metal-Oxide Semiconductor (C MOS) technology extensively to provide compact size, minimum weight and high reliability. This computer in[...]

1 Hardware Overview 1.1 Features 1-2 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l  Memory • DDR-I 333MHz specification compliant • Two 200-pin (Jedec Standard) +2.5 V SO-DIMM DDR sockets with 256MB/512MB/1GB DDR module • Maximum upgradeable to 2GB by two 1GB SO-DIMM module  BIOS • 1MB Flash ROM for system BIOS • Suspend t[...]

1.1 Features 1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-3 • VGA controller M24C with 64MB/128MB VRAM • MINI PCI wireless modu le (802.11g: Atheros MB43/MB51, Intel Calexico2; 802.11a/g: Atheros MB44, Intel Calexico2) • Dual-band built-in antenna for wireless LAN communication • MDC Modem • Mini PCI modul[...]

1 Hardware Overview 1.1 Features 1-4 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l  PCMCIA Card Organization • One type II card socket • SRAM, OTPROM, FLASH ROM, mask ROM memory card up to 64MB • Modem/LAN card • CardBus card • ACPI 1.0B compliant • Supports SD/MMC/MS/MS Pro/xD formats • High speed SD support • SD-IO su[...]

1.1 Features 1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-5 • Internet Explorer (progra mmable) • Play/Pause • Stop • Fast forward • Fast rewind  Excellent power management function • Standby mode, Suspend to RAM or Suspend to disk mode, using time out or hot key • HDD local standby mode by time out[...]

1 Hardware Overview 1.2 System Unit 1-6 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l 1.2 System Unit The system unit is composed of the following m ajor components:  Processor (depending on the model you purchased) • Mobile Intel ® Celeron ® M Processor 350J/360J/370 or • Intel ® Pentium ® M Processor 725A/730/740/750/760/770 [...]

1.2 System Unit 1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-7  Audio subsystem • Realtek ALC250D for AC97 codec − AC 97 2.2 compatible − Leading mixed-digital technology − 20-bit stereo digital- to-analog converters − 18-bit stereo analog-to-digital converters − Sample rate converters. − Four analo[...]

1 Hardware Overview 1.3 2.5-inch Hard Disk Drive 1.3 2.5-inch Hard Disk Drive The internal HDD is a random access non-volatile storage device. It has a non-removable 2.5-inch magnetic disk and mini-W inchester type magnetic heads. The computer supports up to100G HDD. 120GB is design ready. The HDD is shown in Figure 1-1. Speci fications are listed [...]

1.4 Optical device Drives 1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-9 1.4 Optical device Drives 1.4.1 DVD-ROM & CD-RW The DVD-ROM and CD-RW drive accepts 12-cm ( 4.72-inch) and 8-cm (3.15-inch) discs. At maximum, the drive can play back a DVD at 8x speed, read CD-ROM at 24x speed, and write CD-R at 24x speed [...]

1 Hardware Overview 1.4 Optical device Drives 1-10 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l 1.4.2 DVD-ROM The DVD-ROM drive accepts 12-cm (4.72-inch) and 8-cm (3.15-inch) discs. At m aximum, the drive can play back a DVD at 8x speed, and read CD-ROM at 24x speed. The specifications of the DVD-ROM drive are listed in Table 1-3 Item DV[...]

1.4 Optical device Drives 1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-11 1.4.3 DVD Super Multi Double Layer The DVD Super Multi drive accepts 12-cm (4.72-inc h) and 8-cm (3.15-inch) discs. At maximum, the drive can play back a DVD at 8x speed, read CD-ROM at 24x speed, and write CD-R at 24x speed and CD-RW at 4x sp[...]

1 Hardware Overview 1.5 Power Supply 1-12 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l 1.5 Power Supply This specification defines the performance and characteristics of the 75W AC adapter power supply. It supplies a constant voltage 15V output source for Satellite M50 series notebook computer.  A/D conversion • The EC uses 10-bit s[...]

1.5 Power Supply 1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-13 – SQ5-B: power OFF sequence[...]

1 Hardware Overview 1.5 Power Supply 1-14 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l  Battery charging control • The EC controls the following. – The quick charging ON/OFF – The detection of full charge  Detection of the low battery • The EC detects the low battery point by the gas gauge. – LB10M: The system will be dri[...]

1.6 Batteries 1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-15 1.6 Batteries The computer has two types of battery:  Main battery pack (18650 size)  RTC battery The removable main battery pack is the compute r’s main power source when the AC adaptor is not attached. The battery specifications are listed in th[...]

1 Hardware Overview 1.6 Batteries 1-16 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l 1.6.1 Main Battery Battery charging is controlled by a power supply microprocessor that is mounted on the system board. The power supply microprocessor controls wh ether the charge is on or off and detects a full charge when the AC adaptor and battery are[...]

1.6 Batteries 1 Hardware Overview Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 1-17 1.6.2 RTC battery The RTC battery provides power to keep the curr ent date, time and other setup information in memory while the computer is turned off. The table below lists the charging time and data preservation period of the RTC battery. The RTC batte[...]

[CONFIDENTIAL] Chapter 2 Troubleshooting Procedures 2[...]

2 Troubleshooting Procedures 2-ii [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l Chapter 2 Contents 2.1 Troubleshooting Introduction ..................................................................................... 2-1 2.2 Troubleshooting Flowchart ........................................................................................[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenan c e Ma nual [CONFIDENTIAL] 2-iii Figures Figure 2-1 Troubleshooting flowchart (1/2) .................................................................... 2-3 Figure 2-1 Troubleshooting flowchart (2/2) .................................................................... 2-4 Figure 2-2 Power [...]

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2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-1 2.1 Troubleshooting Introduction Chapter 2 describes how to determine if a Fi eld Replaceable Unit (FRU) in the com puter is causing the computer to malfunction. The FRUs covered are: 1. Display 6. TouchPad 11. IEEE 1394 port 2. USB Floppy Drive 7. Speaker 12. W[...]

2 Troubleshooting Procedures 2-2 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l 2.2 Troubleshooting Flowchart If you know the location of the ma lfunction, turn directly to the appropriate section of this chapter. If the problem is unspecified, use the fl owchart in Figure 2-1 as a guide for determ ining which troubleshooting procedures[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-3 STA R T C onnect t he A C ad apte r t o the D C - IN s ock et Is the D C -IN L E D o n ? Is th e B a tter y L E D o n ? T u rn th e P o w e r sw itch o n I s t h e Po we r On LE D o n ? I s t he " T os hi ba" log o m es sage di s pl ay ? If t he "[...]

2 Troubleshooting Procedures 2-4 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l A Does ty ped characters appear corre ctly? Insert the diagnostics disk into the FDD. Then run the diagno stics test program. Is the diagnostics test loaded? Allow each test to perform automatically Is an error detected by any of the diagnostics tests? Sy st[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-5 If the diagnostics program cannot detect an erro r, the problem may be intermittent. The test program should be executed several times to isol ate the problem. W hen a problem has been located, perform the appropriate trou bleshooting procedures as follows: 1. I[...]

2 Troubleshooting Procedures 2-6 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l Other problems that are not covered by the diag nostics program may be discovered by a user. 1. If an error is detected when using an ex ternal USB device, perform the External USB Devices Troubleshooting pr ocedures in Section 2.6. 2. If an error is detecte[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-7 2.3 Power Supply Troubleshooting ST AR T Are the D C - IN and B att er y L E D s lit? Can you tur n the com puter o n? A r e th e inte rn a l p o w er connecti ons secure? END Check P ower Supp l y Sta tus (Procedure 1) No Ye s Chec k powe r s uppl y connect ion[...]

2 Troubleshooting Procedures 2-8 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l The power supply controls many functions and com ponents. To determ ine if the power supply is functioning properly, start with Proc edure 1 and continue with the ot her Procedures as instructed. The flowchart in Figure 2-2 give s a summary of the process. T[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-9 Table 2-2 DC-IN LED AC-IN LED Power supply status Solid on AC power exists (LED is solid green). Off No AC power exists. To check the power supply status, install a batter y pack and connect an AC adaptor to the DC-IN port on the computer and to a power supply. [...]

2 Troubleshooting Procedures 2-10 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l Procedure 3 Power supply connection check The power supply wiring diagram is shown below: AC adaptor Sys t e m boar d B a tte ry A C adaptor cor d AC p o we r c o r d Any of the connectors may be disconnected. Perform Check 1. Check 1 Disconnect the AC powe[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-11 Procedure 4 Diagnostic check The power supply may not charge the battery pack. Perform the following procedures: 1. Reinstall the battery pack. 2. Attach the AC adaptor and turn on the power . If you cannot turn on the power, go to Procedure 5. 3. Run the Diagn[...]

2 Troubleshooting Procedures 2-12 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l 2.4 Display Troubleshooting P e rf orm ext ernal d i spl ay check (P ro ce du re 1 ) ST A R T D oes t he ext ernal d isp la y fun c tio n o k? Per f or m di agn ost i c c he ck (P ro ce du re 2 ) No Wa s a d i s p l a y pr obl em de t ect ed? Per f or m con[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-13 This section describes how to determ ine if the computer’s display is functioning properly. The process is outlined in Figure 2-3. Start with Procedure 1 and continue with the other procedures as instructed. Procedure 1: External display check Procedure 2: Di[...]

2 Troubleshooting Procedures 2-14 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l Procedure 3 Connector and replacement check The FL inverter board, LCD module, and system board are connected to the display circuits. Any of these components may be dam aged. Refer to Chapter 4, Replacement Procedures, for instructions on how to disassembl[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-15 2.5 Keyboard Troubleshooting P e rf orm ext ernal keybo ar d check (P ro ce du re 1 ) ST A R T D oes t he ext ernal keyboard f unct i o n ok? Per f or m di agn ost i c c he ck (P ro ce du re 2 ) W as a k ey boar d pr obl em de t ect ed? Per f or m con nect or a[...]

2 Troubleshooting Procedures 2-16 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l To determine if the computer’s keyboard is functioning properly, perform the following procedures. Figure 2-5 outlines the p rocess. Start with Procedure 1 and co ntinue with the other procedures as instructed. Procedure 1: External keyboard check Procedu[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-17 2.6 External USB Devices Troubleshooting R epl ace sys tem board (P ro ced ure 2) END O rig in a l U S B d e v i c e is fa ulty P erfo rm ex t e rn a l de vice an d connect i on check (P ro ced ure 1) ST A RT D o e s th e d ev ic e fu nc tio n w he n connect ed[...]

2 Troubleshooting Procedures 2-18 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l To determine if the computer’s external US B devices are functioning properly, perform the following procedures. Figure 2-6 outlines the proce ss. Start with Procedure 1 and continue as instructed. Procedure 1: External device and connection ch eck Proced[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-19 2.7 TV-Out Failure Troubleshooting P e rf orm T V connect i on check (P ro ced ure 1) ST A RT D oes r ep l acem ent T V cabl e f uncti on properl y? Per f or m TV s et ch e ck (P ro ced ure 2) R epl ace sys tem board END No R epl ace T V cable No T V f unct ion[...]

2 Troubleshooting Procedures 2-20 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l To determine if the computer’s TV-out por t is functioning properly, perform the following procedures. Figure 2-7 outlines the p rocess. Start with Procedure 1 and co ntinue as instructed. Procedure 1: TV connection check Procedure 2: TV set check Procedu[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-21 2.8 TouchPad Troubleshooting START END To uchP ad c onne c tio n check (Procedure 1) TouchPad replacemen t check (Procedure 2) Replace sy stem board Figure 2-8 TouchPad troubleshooting process[...]

2 Troubleshooting Procedures 2-22 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l To determine if the computer’s built-in TouchP ad is functioning properly, perform the following procedures. Figure 2-9 outlines the p rocess. Start with Procedure 1 and co ntinue as instructed. Procedure 1: TouchPad connection check Procedure 2: TouchPad[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 2-23 2.9 Speaker Troubleshooting START Do al l so urces have sam e problem? END Per for m earp hone t est (Procedure 2 ) Do earphones function correctly ? Perform connection ch eck (Procedure 3 ) Perform replacement check (Procedure 4 ) Perform audio sou rce tes t ([...]

2 Troubleshooting Procedures 2-24 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l To determine if the computer’s built-in speaker s are functioning properly, perform the following procedures. Figure 2-10 outlines the process. Firs t adjust the s peaker volume to an appropriate level. Start with Procedure 1 and continue as instructed. P[...]

2 Troubleshooting Procedures 2.10 optical Drive Troubleshooting START Audio CD functions ok? END Perform softw are check (Procedure 3) Perform diagnostic test (Procedure 4) Perfor m connection and replacem ent ch eck (Procedure 5) Perfo rm a udio C D check (Procedure 1) Perf orm drive - cleanin g ch eck (Procedure 2) No Yes Replace system boar d Fi[...]

2 Troubleshooting Procedures 2-28 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l This section describes how to determ ine if the computer’s internal optic al drive is functioning properly. The Satellite P10 module bays can accommodate the following optical driv es: • DVD-R/RW device • DVD-ROM device • DVD Multi-drive device • COM[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 2 -29 Procedure 5 Connection check and replacement check The optical drive connects to the system board. Th e drive may be disconnected, or the drive or system board may be dam aged. Disassemble th e computer following the steps described in Chapter 4, Replacement [...]

2 Troubleshooting Procedures 2.11 modem Troubleshooting ST ART Com puter un able to detect teleph one sign al? END Perform connec tion check (Procedure 2) Perfor m replac ement check (Procedure 3) Perform teleph on e line connection check (Procedure 1) Check / r ep lace telephone line and connect ions Yes Replace system boar d No Figure 2-11 Modem [...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 2 -31 This section describes how to determ ine if th e computer's modem is functioning properly. Figure 2-12 outlines the process. Perform the steps belo w starting with Procedure 1 and continuing with the other procedures as required. Procedure 1: Telephone l[...]

2 Troubleshooting Procedures 2.12 PCMCIA Troubleshooting ST ART Do errors occur du ring SYCARD t est ? Perform PCMCIA socket replacem ent chec k (Procedure 2) Replace system board END PCM CIA u nit is not faulty. Pe rfo rm SYCARD tes t (Procedure 1) No Yes Figure 2-12 PCMCIA troubleshooting process 2-32 [CONFIDENTIAL] Satellite M50 Series Maintenan[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 2 -33 This section describes how to determ ine if the PCMCIA card player is functioning properly. The process is summarized in Figure 2-13. Perform the steps below starting with Procedure 1 and continuing with the other procedures as required. Procedure 1: Sycard t[...]

2 Troubleshooting Procedures 2.13 IEEE 1394 Troubleshooting START Per for m I EEE 1394 devi ce c hec k (Procedure 1) I s I EEE 1394 tr ansmis sion ok? Perform d iagnostic check (Procedure 2) W as an IEEE 139 4 problem detected? Perform con nection an d replacem ent check (Procedure 3) Rep lace sy stem b oard END Yes Yes I EEE 1394 port a nd transmi[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 2 -35 To determine if the computer’s IEEE 1394 syst em is functioning properly, perform the following procedures. Figure 2-14 outlines the process. Start with Procedure 1 and c ontinue with the other procedures as instructed. Procedure 1: IEEE 1394 device check P[...]

2 Troubleshooting Procedures 2.14 Wireless LAN Troubleshooting STA RT Perform diagnostic t est (Procedure 1) Was a wireless LAN problem delected? Perform connector and replacement check (Procedure 2) Replace wireless L AN antenna/unit Replace sy st em board END Yes Wireless L AN sy stem is not faulty . Continue troubleshoo ting - refer to Fig ure 2[...]

2 Troubleshooting Procedures Satellite M50 Series Maintenance Manua l [CONFIDENTIAL] 2 -37 Figure 2-14 Wireless LAN troubleshooting process[...]

2 Troubleshooting Procedures 2-38 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l The wireless LAN antenna wire, wireless LAN unit or system board m ay each be the source of a wireless LAN fault. Any of these components ma y be damaged. To determine if the com puter’s wireless LAN system is func tioning properly, perform the foll owing pr[...]

[CONFIDENTIAL] Chapter 3 Tests and Diagnostics[...]

3. Tests and Diagnostics 3-ii [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 3 Contents Chapter 3 Contents 3.1 The Diagnostic Test ......................................................................................................... 3-1 3.2 Executing the Diagnostic Test ...................................................................[...]

3. Tests and Diagnostics Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-1 3.1 The Diagnostic Test This chapter explains how to use the Test & Diagnostic program to test the functions of the (Base on Boston T&D version 1.0) hardware modules. The Test & Diagnostic Program is stored on the T&D diskettes. The program consists [...]

3. Tests and Diagnostics 3-2 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 3.2 Executing the Diagnostic Test Toshiba MS-DOS is required to run the DIAGNOSTICS PROGRAM. To start the DIAGNOSTIC PROGRAM, follow these steps: 1. Insert the diagnostics diskette #1 in the floppy disk drive and turn on the computer. (The diagnostics diskette conta[...]

3. Tests and Diagnostics R. The below display will show up at the beginning of T&D program If the test result passes, the following display will show up: Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-3[...]

3. Tests and Diagnostics If an error is detected and a test fails, the following message displays: Then press any key for next actions – the below display presented if copying test log file onto diskette is necessary. This action will be executed when “ Y ” key pressed. 3-4 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

3. Tests and Diagnostics It will skip this process if “N” key pressed. And then it will check if it’s necessary to leave this program. Program will quit when “ Y ” key pressed and it will go back main menu f or next test if “ N ” key pressed. NOTE : Press Pause to pause a test and Enter to resume. Satellite M50 Series Maintenance Manu[...]

3. Tests and Diagnostics 3-6 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 3.3 Config Check Test The config check test checks unit configuration. It includes:  CPU type  System mem ory size  ODD type  LCD type  HDD type & capacity  VRAM size&VGA type  Battery type  Wireless type  LAN type  With/without[...]

3 Tests and Diagnostics Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-7[...]

3. Tests and Diagnostics 3.4 DMI Check Test This test will check if the computer’s Desktop Managem ent Interface (DMI) is correct. DMI includes:  Manufacturer  Production Name  Version  Serial Number  UUID  OEM String It needs to input unit Part Number by manual, then show this unit DMI inform ation and makes comparison with SKU[...]

3. Tests and Diagnostics 3.5 Speaker Audio Test The speaker audio test allows the user to aurally confirm the speaker functions. And check both speakers if they are OK within 3 times “Beep” sound generated. NOTE : Remember to tune up the volume as “ Maximum ” before this test starts. The screen should display as below, indicating whether th[...]

3. Tests and Diagnostics 3.6 Fan ON/OFF Test The fan test allows the user to test aurally whether the fan is working. And follow the below procedures for this test:  The computer will let the fan be “ON” after any key pressed. Listen to check whether the fan is working. NOTE : Remember to approach fan outlet that is near right side of unit w[...]

3. Tests and Diagnostics 3.7 Main Battery Charge Test NOTE : The AC adaptor ( 75W, 15V ) should be connected to successfully run this test. This test shows and measures the main battery:  Battery type (Li_ion)  Manufacturer (Sony / Sanyo/Panasonic)  Remain charge capacity (0 ~ 100%)  Charge function (PASS/FAIL) - “Battery Is Full” s[...]

3 Tests and Diagnostics 3.8 FDD Test NOTE : Before running the FDD test, prepare a formatted work diskette (1.44 MB). Remove the diagnostics diskette and insert the work diskette into the FDD. The contents of the floppy diskette maybe erased. The Floppy Disk Test includes three subtests of the: 1. Sequential seek/verify function (Range: Track 0 ~ 7[...]

3 Tests and Diagnostics 3.9 CD-ROM Test The CD-ROM test allows a user to aurally confirm the CD-ROM functions. NOTE : A CD disc (including data file) must be inserted into the CD-ROM drive before this test starts. The CD-ROM test includes two subtests of the: 1. Random read/partial sequential read function 2. Sequential read function (for all surfa[...]

3. Tests and Diagnostics 3.10 Keyboard Test The keyboard test checks the all keys function. NOTE: The Num Lock and the Overlay mode must be off to execute the keyboard test. Before keyboard test starts, the keyboard matrix code should be chosen as below display: 1. K (UK, for Europe) 2. S (US, for America) When you execute this test, the keyboard l[...]

3. Tests and Diagnostics Pressing a key also reveals that key’s scan codes in the upper right hand corner of the screen. When the key is depressed, its make code is displayed. When the key is released, the break code is shown. Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-15[...]

3. Tests and Diagnostics 3.11 Mouse (Pad) Test The Mouse test allows the user to select and assign values to the following, using the Touch Pad or “ Tab ” key to move between selections: 1. Mouse Speed (on a scale from slow to fast) 2. Acceleration (Off, Low, Medium, High) 3. Button Assignments (Left + Right / Right button, either Unassigned or[...]

3. Tests and Diagnostics Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-17 After checking T/Pad buttons and cursor’s function, use “Tab” key or use T/Pad cursor to click the “OK” column will end this test. It will indicate whether the subtests pass or fail after three questions. NOTE: The above figure has three compartments alth[...]

3. Tests and Diagnostics 3.12 LCD Pixels Mode Test This LCD pixels mode test checks whether video display is fine. This test includes two modes of the test: 1. Text Mode - including 40*25 (16 colors) and 80*25 (2/16colors). 2. VGA Mode - including 320*200 (4/16/256 colors), 640*200 (2/16 colors), 640*350 (2/16 colors), 640*480 (2/16/256 colors), 80[...]

3. Tests and Diagnostics 3.13 Magnetic Switch Test The lid switch test checks the lid function of the unit. When LCD cover closed, the lid should enable to turn off the display. NOTE : Remember to tune up the volume as “ Maximum ” before this test starts. Follow below steps to run this test: 1. Close the LCD cover. 2. Heard 3 “Beep” sound h[...]

3. Tests and Diagnostics 3.14 HDD R/W Test The HDD R/W test allows the user to test aurally HDD read/write function. For data security concern, it is necessary to input password - “ hard disk ” before HDD write test starts. The HDD test includes three subtests of the: 1. Sequential read (all surface) 2. Sequential write (all surface) 3. Partial[...]

3. Tests and Diagnostics Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-21 NOTE : Press “ Ctrl + Break ” keys can terminate the current subtest. The screen should display as previous picture, indicating whether the subtest is passed or failed when finished. NOTE : The AC adaptor should be connected to successfully run this test.[...]

3. Tests and Diagnostics 3-22 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 3.15 LAN Test The LAN test checks the Marvell chip. NOTE: Don’t plug in LAN loopback while test. And LAN information will show on the test screen:  ASIC register Check:  MAC register check:  .PHY register check:  .PHY IRQ(PCI) check:  Check buffer [...]

3. Tests and Diagnostics The screen should display as below, indicating pass will go on to next test FAIL as below Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-23[...]

3. Tests and Diagnostics 3.16 RTC Test Checks the computer’s RTC (Real Time Clock) and calendar functions by com paring the DOS and CMOS values. The test runs automatically. The screen should display as below, indicating whether the test is passed or failed when finished. 3-24 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

3. Tests and Diagnostics 3.17 Read 1394 GUID oor to see RAM connector GUID bar code before test item This test will check if the computer’s EEPROM 1394GUID code is correct. NOTE: Must open the RAM D begins. The figure below will be displayed: Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-25[...]

3. Tests and Diagnostics 3.18 CD Control Button Test D control buttons. udio” nd continuously “bi” sound for another key test. ) 2. 3 buttons (use 7 buttons test program) 3. 1 button (don’t test the item) For 7 button, The figure below will be displayed: The CD control button test allows the user to manually test each of the five C Key ”W[...]

3. Tests and Diagnostics Press each of the buttons on the front panel in turn. A yellow bar will appear on the relevant section of the figure if the button passes the test. Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-27[...]

3. Tests and Diagnostics 3.19 Speaker EQ Type Check&Re-Write This test will check if the computer’s EEPROM EQ type is correct. The EQ Type test includes two subtests of the: 1. Read EQ Type from EEPROM 2. Re-Write EQ Type to EEPROM NOTE : To execute this test, you must select speaker type (Harman or No brand). The figure below will be display[...]

3. Tests and Diagnostics The Item2 figure below will be displayed: NOTE : Write speaker EQ must reboot to enable EQ. Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 3-29[...]

3. Tests and Diagnostics 3-30 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

[CONFIDENTIAL] Chapter 4 Replacement Procedures[...]

4. Replacement Procedures 4-ii [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 4[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-iii Chapter 4 Contents 4.1 General ......................................................................................................................... 4-1 4.2 Battery ........................................................................................................................[...]

4 Replacement Procedures 4-iv [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Figures Figure 4-1 Unlocking the battery lock ............................................................................. 4-7 Figure 4-2 Removing the battery pack .............................................................................4-7 Figure 4-3 Removing[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-v Figure 4-30 Releasing the wireless LAN unit ................................................................. 4-28 Figure 4-31 Removing the wireless LAN unit ................................................................ 4-29 Figure 4-32 Removing the modem cover screw ....................[...]

4 Replacement Procedures 4-vi [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Figure 4-62 Removing the USB m odule .......................................................................... 4-57 Figure 4-63 Removing the VGA module screw .............................................................. 4-59 Figure 4-64 Removing the VGA m odule .[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-1 4.1 General This chapter explains how to disassemble the computer and replace Field Replaceable Units (FRUs). It may not be necessary to remove all the FRUs in order to replace one. The chart below is a guide to which FRUs need to be removed in order to remove others. Always start by removi[...]

4 Replacement Procedures 4-2 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual The example below shows FRUs to be removed before the CPU can be rem oved. The CPU is located on the system board, which is under the top cover. The keyboard is on top of the top cover and must be removed. The rem ovable HDD, wireless LAN card, expansion memory modu[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-3 Safety Precautions Before you begin disassembly, read the following safety precautions and observe them carefully as you work. DANGER: 1 . Always use the lithium ion battery pack or a backup battery that is authorized by Toshiba or is compatible with the unit. Since other battery packs have[...]

4 Replacement Procedures 4-4 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Before You Begin Look over the procedures in this section before you begin disassembling the computer. Familiarize yourself with the disassembly and reassem bly steps. Begin each procedure by removing the AC adaptor and the battery pack as instructed in section 4.2.[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-5 Disassembly Procedures The computer has two basic types of cable connectors:  Pressure Plate Connectors  Standard Pin Connectors To disconnect a Pressure Plate connector, lift up the tabs on either side of the connector’s plastic pressure plate and slide the cable out of the connect[...]

4 Replacement Procedures 4-6 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Tools and Equipment The use of Electrostatic Discharge (ESD) equipment is very important for your safety and the safety of those around you. Proper use of these devices will increase the success rate of your repairs and lower the cost for damaged or destroyed parts.[...]

4 Replacement Procedures 4.2 Battery Removing the Battery Pack To remove the battery pack from the battery bay, follow these steps: 1. Turn the computer upside down. 2. Unlock the battery compartment lock. Figure 4-1 Unlocking the battery lock 3. Slide the battery bay latch to release the battery pack and then remove the battery pack from the bay. [...]

4 Replacement Procedures 4-8 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Installing the Battery Pack To install the battery pack in the battery bay, follow these steps and refer to the figures in the preceding section. WARNING: The battery is a lithium ion battery and can explode if not properly replaced, used, handled or disposed of. Us[...]

4 Replacement Procedures 4.3 PC Card Removing a PC Card To remove a PC Card, follow the steps below. 1. Push the PC Card’s eject button. The button pops out when you release it. 2. Push the eject button again to pop the PC Card out slightly. 3. Grasp the PC Card and remove it. Figure 4-3 Removing the PC card 4. Push the eject button back into pla[...]

4 Replacement Procedures Inserting the PC Card To insert the PC Card, follow these steps and refer to the figures in the preceding section. 1. Make sure the eject button does not stick out. Push it back into place if required. 2. Insert the PC Card in the slot and press gently to ensure a firm connection. Figure 4-4 Installing the PC card 4-10 [CON[...]

4 Replacement Procedures 4.4 HDD CAUTION : When handling the HDD, do not press the top surface. Hold the disk by the sides to prevent damage and loss of data. Figure 4-5 HDD Removing the HDD Module Follow the steps below to remove HDD module: 1. Turn the computer upside down. 2. Remove the black M2.5x3 screw to release the HDD door. Figure 4-6 Remo[...]

4 Replacement Procedures 3. Pull up and lift the HDD door to remove it. Figure 4-7 Removing the HDD door 4. Pull out the tab to remove the HDD unit. Figure 4-8 Removing the HDD 5. Remove the four M3x3 black screws that secure the HDD case and bracket to the HDD. 6. Remove the HDD from the HDD case. Installing the HDD To install the HDD, follow thes[...]

4 Replacement Procedures 4.5 Expansion Memory Removing the Expansion Memory Module To remove the mem ory module, make sure the computer is in boot m ode before removing the memory m odule. Remove the battery pack, cables and any optional devices before you start and then follow these steps: 1. Loosen the embedded safety screw securing the mem ory m[...]

4 Replacement Procedures 3. Push the latches to release the memory m odule. A spring will force one end of the module up. Figure 4-11 Releasing the memory module 4. Grasp the module and pull it out. Figure 4-12 Removing the expansion memory module CAUTION : Do not touch the connectors on the expansion memory module or on the computer. Debris on the[...]

4 Replacement Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-15 Installing the Expansion Memory Module CAUTION : Do not touch the connectors on the expansion memory module or on the computer. Debris on the connectors may cause memory access problems. Follow these steps to install a memory m odule: 1. Set the computer to boot mo[...]

4 Replacement Procedures 4.6 Optical Drive Module Removing the Optical Drive Module To remove the optical drive module, you need to rem ove the expansion memory m odule cover first as described in the previous section. Follow the steps below: 1. Turn the computer upside down. 2. Remove the battery and the expansion mem ory module cover. 3. Remove t[...]

4 Replacement Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-17 Installing the Optical Drive Module To install a device in the optical drive module bay, follow the steps below and refer to the figure in the preceding section. 1. Make sure that the expansion memory door is opened and the ODD screw (M2.5x6) is removed. 2. Slide t[...]

4 Replacement Procedures 4.7 Optical Drive This computer may be fitted with a: CD-RW/DVD-ROM device DVD dual device DVD Super Multi device Disassembling the Optical Drive To disassemble the optical drive, first remove the drive from its module bay as described in the previous section, and then follow the steps below. 1. Remove the two M2x3 screws f[...]

4 Replacement Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-19 Reassembling the Optical Drive To reassemble an optical drive, follow the steps below and refer to the figure in the preceding section. 1. Position the optical drive bracket pl ate so that it is aligned with the rear panel of optical drive. 2. Secure the optical dr[...]

4 Replacement Procedures 4.8 Keyboard Removing the Keyboard Before removing the keyboard, remove the battery and any optional devices. Follow the steps below to remove the keyboard: 1. Open the display panel. 2. Insert a thin tool such as a flat screwdriver into the gap between the strip cover and keyboard to lever the strip cover up. Figure 4-16 R[...]

4 Replacement Procedures 4. Remove the M2.5x3 black screws securing the keyboard. Figure 4-18 Removing the keyboard screws 5. Push the center of the strip cover and lift the keyboard out, revealing the keyboard cable underneath. Disconnect the cable. Figure 4-19 Removing the keyboard cable Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-21[...]

4 Replacement Procedures 6. Lift and remove the keyboard. Figure 4-20 Disconnecting the keyboard cable Installing the Keyboard To install the keyboard, follow the steps below and refer to the figures in the preceding section. 1. Connect the keyboard cable to the system board. 2. Place the keyboard on the top cover and secure it with two black M2.5x[...]

4 Replacement Procedures 4.9 Bluetooth module Removing the Bluetooth Module Remove the battery and any optional devices befo re removing the wireless LAN unit. In addition, you have to remove the keyboard as described in the previous section to access the Bluetooth module. Follow these instructions: 1. Remove the black M2.5x3 screw securing the Blu[...]

4 Replacement Procedures 3. Insert a screwdriver to gently lift the Bluetooth module. Figure 4-23 Lifting the Bluetooth module 4. Remove the Bluetooth module. Figure 4-24 Removing the Bluetooth module 4-24 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

4 Replacement Procedures 5. Disconnect the Bluetooth connector (brown) from the module. Figure 4-25 Disconnecting the Bluetooth connector 6. Remove the two M2x3 screws to remove the bracket holding the Bluetooth m odule. Figure 4-26 Removing the Bluetooth module bracket 7. Separate the Bluetooth module components. Figure 4-27 Separating the compone[...]

4 Replacement Procedures 4-26 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Installing the Bluetooth Module To install the Bluetooth module, follow the steps below and refer to the figures in the preceding section. 1. Place the bracket around the Bluetooth module and secure it with two M2x3 screws. 2. Secure the module to the system board [...]

4 Replacement Procedures 4.10 Wireless LAN Unit Removing the Wireless LAN Unit Remove the battery and any optional devices before removing the wireless LAN unit as described in the following instructions. 1. Remove the black M2x4 screw securing the wireless LAN door. Figure 4-28 Removing the wireless LAN unit screw 2. Remove the wireless LAN door. [...]

4 Replacement Procedures 3. Detach the two ends of the LAN antenna (black and white). Figure 4-30 Removing the wireless LAN antenna connectors 4. Use your fingers to press the two latches of the LAN unit holder. The LAN unit pops up. Figure 4-31 Releasing the wireless LAN unit 4-28 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

4 Replacement Procedures 5. Grasp the wireless LAN unit and pull it out. Figure 4-32 Removing the wireless LAN unit CAUTION : Do not touch the connectors on the wireless LAN unit or on the computer. Debris on the connectors may cause malfunction. Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-29[...]

4 Replacement Procedures 4-30 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Installing the Wireless LAN Unit To install the wireless LAN unit, follow the steps below and refer to the figures in the preceding section. 1. Remove the black M2x4 screw securing the wireless LAN door, and then remove the wireless LAN door as described previously[...]

4 Replacement Procedures 4.11 Modem Removing the Modem Remove the battery and any optional devices before removing the m odem as described in the following instructions: 1. Remove the M2.5x3 screw to release the modem cover. Figure 4-33 Removing the modem cover screw 2. Remove the modem cover. Figure 4-34 Removing the modem cover Satellite M50 Seri[...]

4 Replacement Procedures 3. Remove two M2.5x3 screws securing the modem module. Figure 4-35 Removing the modem module screws 4. Disconnect the modem cable from the modem m odule and carefully lift the unit from its connector. Figure 4-36 Removing the modem module 4-32 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

4 Replacement Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-33 Installing the Modem To install a modem, follow the steps below and refer to the figures in the preceding section. 1. Connect the modem cable to the m odem module. 2. Fit the modem onto its connector and secure it with two black M2.5x3 screws. 3. Replace the M2.5x3[...]

4 Replacement Procedures 4.12 Display Assembly Removing the Display Assembly To remove the display assembly, first rem ove the battery and any optional devices. Also remove the keyboard, and the wireless LAN unit as described in the previous sections. Then follow the steps below: 1. Remove the keyboard and the wireless LAN unit. Separate the wirele[...]

4 Replacement Procedures 4. Remove two M2.5x6 screws securing the LCD assembly to the top cover. Figure 4-39 Removing the front screws 5. Remove the LCD assembly. Figure 4-40 Removing the display assembly Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-35[...]

4 Replacement Procedures 4-36 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Installing the Display Assembly To install the display assembly, follow the steps below and refer to the figures in the preceding section. 1. Seat the display assembly taking care not to crush to the LCD display cable, the LCD power cable, the wireless LAN antenna [...]

4 Replacement Procedures 4.13 Top Cover Removing the Cover To remove the top cover, first remove the battery pack, HDD, expansion m emory module, ODD, modem, wireless LAN unit, keyboard, Bluetooth m odule, and display assembly, as described in the preceding sections. Follow the steps below to remove the top cover. 1. Remove three M2.5x6 screws and [...]

4 Replacement Procedures 4. Turn the computer upside down and remove the following screws: • M2.5X6: five screws, two from the battery compartm ent, and three from the HDD compartment • M2.5X9: eleven screws from the back panel 4-38 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual M2.5X9 (back panel screws) M2.5X6 (hard disk and battery c[...]

4 Replacement Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-39 Installing the Top Cover To install the top cover, follow the steps below and refer to the figures in the preceding section. 1. Seat the top cover and secure the upper FFC cable (from direct play button module) and Touch pad FFC cable to the computer’s top chassi[...]

4 Replacement Procedures 4.14 Touch Pad Removing the Touch Pad To remove the Touch Pad, first remove the battery pack, keyboard, and top cover, and then follow the steps below: 1. Disconnect the Touch Pad FFC cable from the Touch Pad. 2. Remove one M2.5x3 screw securing the Touch Pad Bracket to the rear side of the top cover. Figure 4-45 Removing t[...]

4 Replacement Procedures 4. Remove the Touch Pad by lifting it gently. Figure 4-47 Removing the touch pad Installing the Touch Pad To install the Touch Pad, follow the steps below and refer to the figures in the preceding section: 1. Turn the top cover upside down and place the Touch Pad, and the Touch Pad Bracket, in position on top. 2. Secure the[...]

4 Replacement Procedures 4.15 Direct Play Button Module Removing the Direct Play Button Module To remove the module, first rem ove the battery pack, keyboard, and top cover, and then follow the steps below: 1. Turn over the top cover and remove three M2.5x3 screws securing the direct play button module to the rear of the top cover. Figure 4-48 Remo[...]

4 Replacement Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-43 Installing the Direct Play Button Module To install the module, follow the steps below and refer to the figures in the preceding section: 1. Turn the top cover upside down and place the direct play button module. 2. Secure the module to the top cover with three M2.[...]

4 Replacement Procedures 4.16 Memory Removing the Memory Module To remove the mem ory module, first remove the battery pack, keyboard, and top cover. Follow these steps to remove the mem ory module: 1. Remove the aluminum foil covering the memory m odule. Figure 4-50 Removing the aluminum foil 2. Remove one M2.5x6 screw attached to the metallic str[...]

4 Replacement Procedures 3. Gently lift the metallic strip on top of the mem ory module. Figure 4-52 Lifting the metal strip 4. Remove the metallic strip. Figure 4-53 Removing the metal strip Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-45[...]

4 Replacement Procedures 5. Press the two latches holding the memory m odule and hold them apart. The mem ory module pops out. Figure 4-54 Releasing the memory module 6. Remove the mem ory module from the slot by sliding it out gently. Figure 4-55 Removing the memory module 4-46 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

4 Replacement Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-47 Installing the Memory Module To install the memory m odule, follow the steps below and refer to the figure in the preceding section: 1. Place the memory m odule in the slot at an angle of 45 degrees with the horizontal. 2. Press the module gently in place till the [...]

4 Replacement Procedures 4.17 System Board Removing the System Board To remove the system board, first rem ove the LCD assembly, keyboard, and top cover, and then follow the steps below: 1. Disconnect the CRT cable from the system board. 2. Remove the USB cables from the system board. 3. Remove the modem cable from the system board. Figure 4-56 Rem[...]

4 Replacement Procedures 6. Remove three M2.5x6 screws securing the system board. Figure 4-57 Removing the system board screws 7. Remove the system board from the chassis. Take care to dislodge the various ports on the board from their openings in the chassis to avoid damage to the ports. You m ay have to use your fingers to expand the chassis so a[...]

4 Replacement Procedures 4-50 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Installing the System Board To install the system board, follow the steps below and refer to the figures in the preceding section. 1. Seat the system board in the chassis. Take care to align all the ports and connectors in their respective openings on the chassis. [...]

4 Replacement Procedures 4.18 Fan & CPU Removing the Fan & CPU To remove the Fan, Heat Sink, and CPU, you must first rem ove the display assembly, keyboard, top cover and system board, and then follow the steps below: 1. Remove two M2.5x3 screws securing the fan from the top side of the system board. Figure 4-59 Removing the fan screws from[...]

4 Replacement Procedures 4-52 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Figure 4-60 Removing the heat sink screws[...]

4 Replacement Procedures 3. Remove the heat sink. Figure 4-61 Removing the heat sink 4. Remove the M2.5x3 screw securing the fan. Figure 4-62 Removing the fan screw 5. Remove the fan connector from the system board. Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-53[...]

4 Replacement Procedures 6. Remove the fan module. Figure 4-63 Removing the fan 7. Turn the cam on the CPU socket with a flat-blade screwdriver so that the notch on the cam is aligned with the open side of the CPU socket to unlock the CPU. Figure 4-64 Turning the CPU cam 4-54 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

4 Replacement Procedures 8. Gently lift out the CPU. Figure 4-65 Removing the CPU Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-55[...]

4 Replacement Procedures 4-56 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Installing the CPU To install the CPU, follow the steps below and refer to the figures in the preceding section. CAUTION: If you remove the heat sink, use the CPU grease tool to remove the grease on the CPU and heat sink. Reapply fresh grease before installing the [...]

4 Replacement Procedures 4.19 USB Module Removing the USB Module To remove the USB module, you have to first rem ove the keyboard, top cover, and system board. Then follow the steps below: 1. Remove the M2.5x6 screw securing the USB module to the chassis. Figure 4-66 Removing the USB module screw 2. Remove the USB module while taking care to rem ov[...]

4 Replacement Procedures 4-58 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Installing the USB Module To install the USB module, follow the steps below and refer to the figure in the preceding section: 1. Seat the USB module while aligning the USB port connectors with their openings on the chassis. 2. Secure the module by placing the M2.5x[...]

4 Replacement Procedures 4.20 VGA Module Removing the VGA Module To remove the VGA module, you have to first rem ove the keyboard, top cover, and system board. Then follow the steps below: 1. Remove the two hexagonal screws securing the VGA port connector to the chassis. 2. Remove the M2.5x6 screw securing the VGA module to the chassis. Figure 4-68[...]

4 Replacement Procedures 4-60 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Figure 4-69 Removing the VGA module Installing the VGA Module To install the VGA module, follow the steps below and refer to the figure in the preceding section: 1. Seat the VGA module while aligning the VGA a nd USB port connectors with their openings on the chass[...]

4 Replacement Procedures 4.21 Display Mask Removing the Display Mask To remove the display mask, first rem ove the display assembly as described earlier, and then follow the steps below: 1. Remove four M2.5x6 screws securing the display mask to the LCD m odule. Figure 4-70 Removing the display mask screws 2. Carefully insert your fingers between th[...]

4 Replacement Procedures 4-62 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Installing the Display Mask To install the display mask, follow the steps below and refer to the figures in the preceding section. 1. Seat the display mask and secure the snaps on each side. 2. Secure the display mask with four M2.5x6 screws.[...]

4 Replacement Procedures 4.22 Speakers Removing the Speakers To remove the speakers, first remove the display assem bly and the display mask, and then follow the steps below: 1. Remove the two M2.5x6 screws from the speaker assem bly. Figure 4-72 Removing the speaker screws 2. Remove the speaker strip. Figure 4-73 Removing the speaker strip 3. Remo[...]

4 Replacement Procedures 4-64 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Installing the Speakers To install the speakers, follow the steps below and refer to the figure in the preceding section: 1. Sear the speakers on the metal strip and secure each of them with a screw. 2. Seat the speaker strip on the LCD module. 3. Secure the speake[...]

4 Replacement Procedures 4.23 FL Inverter Board Removing the FL Inverter Board To remove the FL inverter board, first remove the battery pack, the display assem bly, display mask, and speaker strip, then follow the steps below. 1. Remove one M2x5 silver screw securing the FL inverter board to the LCD display assem bly. Figure 4-74 Removing the scre[...]

4 Replacement Procedures 3. Remove the FL inverter board. Figure 4-76 Removing the FL inverter board Installing the FL Inverter Board To install the FL inverter board, follow the steps below and refer to the figure in the preceding section. 1. Place the FL inverter board on the LCD module. 2. Secure one M2x5 black screw connecting the FL inverter b[...]

4 Replacement Procedures 4.24 LCD Module Removing the LCD Module To remove the LCD module, first rem ove the display assembly, display mask, speaker assem bly, and FL inverter board and then follow the steps below. 1. Remove two M2.5x6 black screws securing the LCD module bracket to the chassis. Figure 4-77 Removing the screws 2. Remove six M2x3 sc[...]

4 Replacement Procedures 3. Remove the LCD module. Figure 4-79 Removing the LCD module NOTE : If the LCD module malfunctions, remove the LCD cable and LCD bracket. Then replace the whole LCD module unit. 4-68 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

4 Replacement Procedures Satellite M50 Series Maintenance Manual [CONFIDENTIAL] 4-69 Installing the LCD Module To install the LCD module, follow the steps below and refer to the figures in the preceding section. 1. Seat the LCD module in the display assembly with the LCD m odule bracket and secure it with six M2x3 black screws. 2. Use two M2x3 blac[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] A- 1 A. Appendix A Handling the LCD Module Precautions for handling the LCD module The LCD module can be easily damaged during assem bly or disassembly. Observe the following recautions when handling it to prevent damaging it. 1. When installing the LCD module in the display assem bly, make sur[...]

A-2 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] A-3 3. If the panel’s surface gets dirty or moist, wipe it with cotton or a soft cloth. If it is still If the surface is very dirty, we recom nd a CRT cleaning agent. Apply the agent to a dirty, try breathing on the surface to create a light condensate and wipe it again. me soft cloth and the[...]

A-4 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 5. could cause breakage or cracks. Glass is used in the panel, so be careful not to drop it or let it strike a hard object, which CMOS-LSI circuits are used in the module, so guard against damage from electrostatic discharge. Be sure to wear a wrist or ankle grounding device when handling t[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] A-5 7. dule to direct sunlight or strong ultraviolet rays for long periods. Do not expose the mo 8. Do not store the module at temperatures below its specifications. Cold can cause the liquid crystals to freeze, lose their elasticity or otherwise suffer damage. 9. Do not disassemble the LCD mod[...]

A-6 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 10. If you transport the module, do not use packing material that contains epoxy resin (am ine) or silicon glue (alcohol or oxime). These materials can release gas that can dam age the panel’s polarization.[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] A-7[...]

Appendix B Appendix B Board Layout B.1 System Board (FRDSY*) T op View Figure B-1 System board (FRDSY*) layout (Top) Satellite M50 Series Maintenance Manual [CONFIDENTIAL] B-1[...]

B.2 System Board (FRDSY*) Button V iew Figure B-2 System board (FRDSY*) layout (Button) B-2 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual[...]

Table B-1 System board ICs (top and bottom) Mark Number Name (A) U4 Intel Alviso Chip (B) U13 Intel ICH6-M (C) U14 ENE KB910Q (D) U8 Marvell 88SA8040 (E) U12 TI PCI7411 (F) PU11 MAX1532AEL (G) U39 LPC47N217 (H) U40 LPC47N207 (I) U24 BIOS ROM (J) U36 Marvell 8036/8053 (K) U27 RealTEK ALC250VD (L) U35 ICS954226AG Satellite M50 Series Maintenance Manu[...]

Table B-2 System board connectors (top and bottom) Number Name JP1 Docking modem conn. JP2 CRT (CRT/B) conn. JP3 USB (CRT/B) conn JP4 LVDS conn JP5 LAN (CRT/B) conn. JP6 Speaker conn JP7, JP20 DDR conn JP8 Switch board conn JP9 Bluetooth conn JP10 TP conn JP11 KB conn JP12 PCMCIA Conn JP13 Serial port conn JP14 EC Tool conn JP15, JP16 Audio jack JP[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-1 C. Appendix C Pin Assignments System Board C.1 JP1 Table C-1 Docking modem Connector pin assignments (4-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 MDC2_DIP I/O 2 MDC1_RING I/O 3 MDC3_RING I/O 4 MDC2_DIP I/O C.2 JP2 Table C-2 CRT (CRT/B) Connector pin assignments (12-pin) Pin No.[...]

C-2 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual C.4 JP4 Table C-4 LVDS I/F pin assignments (30-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 GND - 2 GND - 3 GMCH_TXOU T0- O 4 GND - 5 GMCH_TXOU T+ O 6 NC - 7 GND - 8 +LCDVDD O 9 GMCH_TXOU T1- O 10 +LCDVDD O 11 GMCH_TXOU T1+ O 12 +3VS O 13 GND - 14 NC - 15 GMCH_TXOU T2+ O 16 GMCH_L[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-3 C.5 JP5 Table C-5 LAN (CRT/B) pin assignments (16-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 LAN_LINK O 2 LAN_ACT O 3 NC - 4 NC - 5 RJ45_GND - 6 RJ45_MDI3- I/O 7 RJ45_MDI3+ I/O 8 RJ45_GND - 9 RJ45_MDI2- I/O 10 RJ45_MDI2+ I/O 11 RJ45_GND - 12 RJ45_MDI1- I/O 13 RJ45_MDI1+ I/O 14 R[...]

C-4 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Table C-7 SODIMM I/F pin assignments (200-pin) (1/4) Pin No. Signal name I/O Pin No. Signal Name I/O 17 DDR_DQ3 I/O 18 DDR_DQ2 I/O 19 DDR_DQ13 I/O 20 DDR_DQ6 I/O 21 +2.5V O 22 +2.5V O 23 DDR_DQ9 I/O 24 DDR_DQ12 I/O 25 DDR_DQS1 I/O 26 DDR_DM1 O 27 VSS - 28 VSS - 29 DDR_DQ15 I/O 30 DDR_DQ14 I[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-5 Table C-7 SODIMM I/F pin assignments (200-pin) (2/4) Pin No. Signal name I/O Pin No. Signal Name I/O 87 VSS - 88 VSS - A89 NC - 90 VSS - A91 NC - 92 +2.5V O 93 +2.5V O 94 +2.5V O A95 DDR_CKE1 - A96 DDR_CKE0 O A97 NC - 98 NC - A99 DDR_SMA12 - A100 DDR_SMA11 O A101 DDR_F_SMA9 O A102 DDR_SMA8 [...]

C-6 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Table C-7 SODIMM I/F pin assignments (200-pin) (3/4) Pin No. Signal name I/O Pin No. Signal Name I/O 157 +2.5V O A158 DDR_CLK2# O 159 VSS - A160 DDR_CLK2 O 161 VSS - 162 VSS - 163 DDR_DQ52 I/O 164 DDR_DQ49 I/O 165 DDR_DQ53 I/O 166 DDR_DQ48 I/O 167 +2.5V O 168 +2.5V O 169 DDR_DQS6 I/O 170 DD[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-7 11 Ec_REVBTN# I 12 GND -[...]

C-8 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual C.9 JP9 Table C-9 Bluetooth I/F pin assignments (12-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 GND - 2 NC - 3 BT_DET# I 4 NC - 5 NC - 6 NC - 7 NC - 8 BT_RESET# O 9 BT_WAKE_UP I 10 NC - 11 GND - 12 NC - 13 BT_DETACH 14 CH_CLK I/O 15 NC - 16 USB20_P5 I/O 17 USB20_N5 I/O 18 CH_DATA[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-9 C.11 JP1 1 Table C-10 K/B connector pin assignments (38-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 +3VS I 2 NC - 3 5 7 9 11 13 15 17 19 21 23 25 NC NC KSO4 KSI2 KSO1 KSI0 KSO5 KSI5 KSI4 KSO7 KSI7 KSO9 - - O O O O O O O O O O 4 6 8 10 12 14 16 18 20 22 24 26 NC +3VS KSO2 KSI1 KSO[...]

C-10 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 13 A13 I 14 A14 I Table C-11 PCMCIA I/F pin assignments (68-pin) (2/2) Pin No. Signal name I/O Pin No. Signal Name I/O 15 WE# I 16 READY O 17 VCC - 18 VPP1 - 19 A16 I 20 A15 I 21 A12 I 22 A7 I 23 A6 I 24 A5 I 25 A4 I 26 A3 I 27 A2 I 28 A1 I 29 A0 I 30 D0 I/O 31 D1 I/O 32 D2 I/O 33 WP O 34 [...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-11 C.13 JP13 Table C-13 Serial port pin assignments (10-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 +5VS - 2 GND - 3 RXD1 I 4 TXD1 O 5 DSR#1 I 6 RTS#1 O 7 CTS#1 I 8 DTR#1 O 9 RI#1 I 10 DCD#1 I C.14 JP14 Table C-14EC tool pin assignments (4-pin) Pin No. Signal name I/O Pin No. Signa[...]

C-12 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual C.17 JP17 Table C-3 USB(USB/B) Connector pin assignments (10-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 +5VALW - 2 +5VALW - 3 SYSON# O 4 GND - 5 USB20_N2 I/O 6 USB20_P2 I/O 7 GND - 8 USB20_N4 I/O 9 USB20_P4 I/O 10 GND - C.18 JP18 Table C-18 Docking I/F pin assignments (240-pin)[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-13 Table C-18 Docking I/F pin assignments (240-pin) (2/4) Pin No. Signal name I/O Pin No. Signal Name I/O 39 NC 40 NC 41 GND 42 NC 43 NC 44 NC 45 GND 46 NC 47 NC 48 NC 49 GND 50 NC 51 NC 52 NC 53 NC 54 NC 55 RJ45_MDI3+ 56 RJ45_MDI3- 57 NC 58 NC 59 MDC1_RING 60 MDC2_TIP 61 DKN_B+ 62 DKN_B+ 63 [...]

C-14 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 105 GND 106 NC Table C-18 Docking I/F pin assignments (240-pin) (3/4) Pin No. Signal name I/O Pin No. Signal Name I/O 107 NC 108 NC 109 GND 110 NC 111 NC 112 NC 113 NC 114 NC 115 NC 116 NC 117 NC 118 NC 119 NC 120 NC 121 DKN_B+ 122 DKN_B+ 123 D_EC_SMB_C K2 124 +5VS 125 +5VALW 126 TPA1+ 127[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-15 167 NC 168 NC 169 GND 170 NC Table C-18 Docking I/F pin assignments (240-pin) (4/4) Pin No. Signal name I/O Pin No. Signal Name I/O 171 NC 172 NC 173 GND 174 +3VALW 175 NC 176 NC 177 NC 178 RJ45_GND 179 RJ45_MDI0+ 180 RJ45_MDI0- 181 DKN_B+ 182 DKN_B+ 183 D_EC_SMB_D A2 184 +5VS 185 NC 186 T[...]

C-16 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 237 NC 238 NC 239 RJ45_MDI1+ 240 RJ45_MDI1- C.19 JP19 Table C-19 VGA I/F pin assignments (160-pin) (1/3) Pin No. Signal name I/O Pin No. Signal Name I/O 1 B+ - 2 B+ - 3 B+ - 4 B+ - 5 B+ - 6 B+ - 7 NC - 8 NC - 9 DAC_BRIG - 10 VGA_DDC_CL K I 11 DISPOFF# O 12 VGA_DDC_DA TA I 13 INVT_PWM I 14 [...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-17 51 DVI_TXD1- I 52 +5VALW - 53 GND - 54 +5VALW - 55 DVI_TXD2+ I 56 +5VALW - 57 DVI_TXD2- I 58 +5VALW - Table VGA I/F pin assignments (160-pin) (2/3) Pin No. Signal name I/O Pin No. Signal Name I/O 59 GND - 60 NC - 61 PLT_RST_VG A# O 62 CLK_PCIE_VG A O 63 NC - 64 CLK_PCIE_VG A# O 71 GND - 72[...]

C-18 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual 105 PCEI_GTX_C_ MRX_N6 I/O 106 PCIE_MTX_C_ GRX_N6 I/O 107 GND - 108 GND - 109 PCEI_GTX_C_ MRX_P7 I/O 110 PCIE_MTX_C_ GRX_P7 I/O[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-19 Table VGA I/F pin assignments (160-pin) (2/3) Pin No. Signal name I/O Pin No. Signal Name I/O 111 PCEI_GTX_C_ MRX_N7 I/O 112 PCIE_MTX_C_ GRX_N7 I/O 113 GND - 114 GND - 115 PCEI_GTX_C_ MRX_P8 I/O 116 PCIE_MTX_C_ GRX_P8 I/O 117 PCEI_GTX_C_ MRX_N8 I/O 118 PCIE_MTX_C_ GRX_N8 I/O 119 GND - 120 [...]

C-20 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Table VGA I/F pin assignments (160-pin) (3/3) Pin No. Signal name I/O Pin No. Signal Name I/O 157 PCEI_GTX_C_ MRX_P15 - 158 PCIE_MTX_C_ GRX_P15 - 159 PCEI_GTX_C_ MRX_N15 I/O 160 PCIE_MTX_C_ GRX_N15 I/O C.20 JP21 Table C-20 JP7 Fan I/F pin assignments (3-pin) Pin No. Signal name I/O Pin No.[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-21 C.23 JP25 Table C-23 ODD I/F pin assignments (52-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 INT_CD_L I 2 INT_CD_R I 3 CD_AGND - 4 GND - 5 SIDE_RST# O 6 SD_D8 I/O 7 SD_D7 I/O 8 SD_D9 I/O 9 SD_D6 I/O 10 SD_D10 I/O 11 SD_D5 I/O 12 SD_D11 I/O 13 SD_D4 I/O 14 SD_D12 I/O 15 SD_D3 I/O[...]

C-22 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual C.24 JP26 Table C-24 MDC Connector pin assignments (30-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 NC - 2 NC - 3 5 7 9 11 13 15 17 19 21 23 25 GND NC NC NC NC NC GND +3V_MDC GND +3VS_MDC AC97_SDOUT AC97_RST# - - - - - - - I - I O O 4 6 8 10 12 14 16 18 20 22 24 26 NC NC GND +5VS[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-23 C.25 JP27 Table C-27 5-IN-1 Card readerI/F pin assignments (40-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 GND - 2 MSBS_SDCM D_SMWE2 I/O 3 MSDATA1_SD DATA1_SMD1 I/O 4 MSDATA0_SD DATA0_SMD0 I/O 5 MSDATA2_SD DATA2_SMD2 I/O 6 MSCD# I 7 MSDATA3_SD ATA3_SMD3 I/O 8 MSCLK_SDCL K I/O 9 [...]

C-24 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual C.26 JP28 Table C-27 Flash ROM socket pin assignments (40-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 KBA16 O 2 KBA17 O 3 KBA15 O 4 GND - 5 KBA14 O 6 NC - 7 KBA13 O 8 KBA19 O 9 KBA12 O 10 KBA10 O 11 KBA11 O 12 ADB7 I/O 13 KBA9 O 14 ADB6 I/O 15 KBA8 O 16 ADB5 I/O 17 FWE# O 18 ADB[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-25 C.27 JP29 Table C-27 HDD I/F pin assignments (44-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 PIDE_HRESE T# O 2 GND - 3 PIDE_HDD7 I/O 4 PIDE_HDD8 I/O 5 PIDE_HDD6 I/O 6 PIDE_HDD9 I/O 7 PIDE_HDD5 I/O 8 PIDE_HDD10 I/O 9 PIDE_HDD4 I/O 10 PIDE_HDD11 I/O 11 PIDE_HDD3 I/O 12 PIDE_HDD12 [...]

C-26 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual C.28 JP30 Table C-28 Mini PCI I/F pin assignments (124-pin) (1/2) Pin No. Signal name I/O Pin No. Signal Name I/O 1 NC - 2 NC - 3 NC - 4 NC - 5 NC - 6 NC - 7 NC - 8 NC - 9 NC - 10 NC - 11 NC - 12 NC - 13 SWITCH O 14 NC - 15 NC - 16 NC - 17 PCI_PIRQH# I 18 +5VS - 19 +3VS O 20 PCI_PIRQG# I 2[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] C-27 Table C-7 Mini PCI I/F pin assignments (124-pin)(2/2) Pin No. Signal name I/O Pin No. Signal Name I/O 61 IRDY# I/O 62 GND - 63 +3.3V O 64 FRAME# I/O 65 PM_CLKRUN# I/O 66 TRDY# I/O 67 PCI_SERR# I/O 68 STOP# I/O 69 GND - 70 +3.3V O 71 PCI_PERR# O 72 DEVSEL# I/O 73 C/BE1# I/O 74 GND - 75 AD14[...]

C-28 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual C.29 PJP1 Table C29 AC Adaptor Connector pin assignments (6-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 DC_IN_S2 I 2 DC_IN_S2 I 3 GND - 4 GND - C.30 PJP2 Table C-30 BATT Connector pin assignments (7-pin) Pin No. Signal name I/O Pin No. Signal Name I/O 1 BATT_S1 I 2 ALI/NIMH# I 3[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] D-1 Appendix D Appendix D Keyboard Scan/Character Codes Table D-1 s (set 1 and Code set 2 Scan code set 2) (1/4) Code set 1 Cap No. K Make Break Make reak Note eytop B 01 ‘ ~ 29 A9 0E F0 0E 02 1 ! 02 82 16 F0 16 03 2 @ 03 83 1E F0 1E 04 3 # 04 84 26 F0 26 05 4 $ 05 85 25 F0 25 06 5 % 06 86 2E[...]

D-2 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Table D-1 s (set 1 and Code set 2 Scan code set 2) (2/4) Code set 1 Cap Ke p Make Break Make reak Note No. yto B 29 | 2B AB 5D F0 5D *5 30 Cap ock s L 3A BA 58 F0 58 31 A 1E 9E 1C F0 1C 32 S 1F 9F 1B F0 1B 33 D 20 A0 23 F0 23 34 F 21 A1 2B F0 2B 35 G 22 A2 34 F0 34 36 H 23 A3 33 F0 33 37 [...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] D-3 Table D es (set 1 and s Code set 2 -1 Scan cod et 2) (3/4) Code set 1 Cap Make Break Make Break Note No. Keytop 58 Ctrl(L) 1D 9D 14 F0 14 *3 60 Alt (L) 38 8 1 0 *3 B 1 F 11 61 Space 39 9 9 0 B 2 F 29 62 ALT ) (R E0 38 E0 B8 E0 11 E0 F0 11 64 Ctrl(R) E0 1D E0 9D E0 14 E0 F0 14 75 Ins E0 52 E[...]

D-4 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Table D es (set 1 and s Code set 1 Code set 2 -1 Scan cod et 2) (4/4) Cap No. K ake eak ake Break Note eytop M Br M 122 F11 57 D7 78 F0 78 *3 123 F12 58 D8 07 F0 07 *3 1 PrintSc 24 *6 *6 *6 *6 *6 1 Pause *7 26 *7 *7 *7 *7 X Fn — — — — *4 X Win E0 5B E0 DB E0 1F E0 F0 1F x App E0 5D [...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] D-5 T can codes with left Shift k Code set 1 Code set 2 able D-2 S ey Cap No. Key top Make Make Break Break 55 / E0 AA E0 35 E0 B5 E0 2A E0 F0 12 E0 4A E0 F0 4A E0 12 75 INS E0 AA E0 52 E0 D2 E0 2A E0 F0 12 E0 70 E0 F0 70 E0 12 76 DEL E0 AA E0 53 E0 D3 E0 2A E0 F0 12 E0 71 E0 F0 71 E0 12 79 ←[...]

D-6 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Ta an codes in Numlock mod Code set 1 Code set 2 ble D-3 Sc e Cap No. Key top Make Break Make Break 75 INS E0 2A E0 52 E0 D2 E0 AA E0 12 E0 70 E0 F0 70 E0 F0 12 76 DEL E0 2A E0 53 E0 D3 E0 AA E0 12 E0 71 E0 F0 71 E0 F 0 12 79 ← E0 2A E0 4B E0 CB E0 AA E0 12 E0 6B E0 F0 6B E0 F0 12 80 Home[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] D-7 Table D-5 Scan codes in overlay mode Code set 1 Code set 2 Cap No. eyto Make Break M Break K p ake 09 8 (8) 48 C8 75 F0 75 10 9 (9) 49 C9 7D F0 7D 11 0 (*) 37 B7 7C F0 7C 23 U (4) 4B CB 6B F0 6B 24 I (5) 4C CC 73 F0 73 25 O (6) 4D CD 74 F0 74 26 P (–) 4A CA 7B F0 7B 37 J (1) 4F CF 69 F0 6[...]

D-8 [CONFIDENTIAL] Satellite M50 Series Maintenance Manual Table D-7 No.126 key scan code Code set 1 Code set 2 Key top Shift Make Make Pause Common E1 1D 45 E1 9D C5 E1 14 77 E1 F0 14 F0 77 Ctrl E0 46 E0 C6 E0 7E E0 F0 7E *: This key generates only make codes.[...]

Appendix E Appendix E Key Layout E.1 United St ates (US) Keyboard Figure E-1 US keyboard E.2 United Kingdom (UK) Keyboard Figure E-2 UK keyboard Satellite M50 Series Maintenance Manual [CONFIDENTIAL] E-1[...]

E.3 S p anish (SP) Keyboard Figure E-3 SP keyboard E.4 Jap anese (JA) Keyboard Figure E-4 JA keyboard E-2 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l[...]

E.5 Korean (KO) Keyboard Figure E-5 KO keyboard E.6 Canada France (CF) Keyboard Figure E-6 CF keyboard Satellite M50 Series Ma in tenance Ma nua l [CONFIDENTIAL] E-3[...]

E.7 Portuguese (PO) Keyboard Figure E-7 PO keyboard E.8 US-INTE (UI/INTE) Keyboard Figure E-8 US-INTE Keyboa rd E.9 Germanic (GR) Keyboard E-4 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l[...]

Figure E-9 GR keyboard E.10 France (FR) Keyboard Figure E-10 FR keyboard Satellite M50 Series Ma in tenance Ma nua l [CONFIDENTIAL] E-5[...]

E.1 1 Chinese (CH) Keyboard Figure E-11 CH keyboard E.12 Swissc-Darfon(SW) Keyboard Figure E-12 Swiss keyboard E-6 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l[...]

E.13 It alian (IT) Keyboard Figure E-13 IT keyboard E.14 Belgiun (BE) Keyboard Figure E-14 BE keyboard Satellite M50 Series Ma in tenance Ma nua l [CONFIDENTIAL] E-7[...]

E.15 Arabic (AR-E) Keyboard Figure E-15 AR-E keyboard E.16 Czech (CZ) Keyboard Figure E-16 CZ keyboard E-8 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l[...]

E.17 Estonian (ES) Keyboard Figure E-17 ES keyboard E.18 Greek (GK) Keyboard Figure E-18 GK keyboard Satellite M50 Series Ma in tenance Ma nua l [CONFIDENTIAL] E-9[...]

E.19 Hebrew (HB) Keyboard Figure E-19 HB keyboard E.20 Hungary (HG) Keyboard Figure E-20 HG Keyboard E-10 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l[...]

E.21 Norwegian (NW) Keyboard Figure E-21 NW keyboard E.22 Dutch (DU) Keyboard Figure E-22 DU keyboard Satellite M50 Series Ma in tenance Ma nua l [CONFIDENTIAL] E-11[...]

E.23 Lithuanian (LI) Keyboard Figure E-23 LI keyboard E.24 Russian (RU) Keyboard Figure E-24 RU keyboard E-12 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l[...]

E.25 T urkish (TR) Keyboard Figure E-25 TR keyboard E.26 Y ugoslavian (YU) Keyboad Figure E-26 YU keyboard Satellite M50 Series Ma in tenance Ma nua l [CONFIDENTIAL] E-13[...]

E.27 Danish (DM) Keyboard Figure E-27 DM keyboard E.28 Slovak (SA) Keyboard Figure E-28 SA keyboard E-14 [CONFIDENTIAL] Satellite M50 Series Ma in tenance Ma nua l[...]

E.29 Swedish (SD) Keyboard Figure E-29 SD keyboard Satellite M50 Series Ma in tenance Ma nua l [CONFIDENTIAL] E-15[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] F-1 F. Appendix F Series Screw Torque List Table F-1 Serie ew SCREW P/N SCREW SPEC Q'ty SCREW TORQUE s Scr Torque List LOCATION MMCK25030N0 M2.5*3 (silver) 1 THERMAL 2.0~2.5kgfcm THERMAL PLATE TO MODULE MMCK25030N0 M2 .5*3 (silver) 2 NB SU PPORT PLAT B 2.0~2.5kgfcm E TO M MMCK25030N0 M2 .5[...]

F-2 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l SCREW P/N SCREW SPEC Q'ty LOCATION SCREW TORQUE MMCK25050Z0 M2.5 *5 1 SADDLE(R) TO UP SHIELD UP TO LOG UP 2.5~3.0kgfcm MMCK25050Z0 M2.5 *5 2 UP S W TO LOG UP 2.5~3.0kgfcm SADDLE (L) TO HIELD LO MMCK25050Z0 M2.5 *5 3 T LOG UP 2.5~3.0kg fcm P LED PCB TO MMCK25050Z0 M2.5 *5 2 H SADDLE(R/[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] F-3 SCREW P/N SCRE Q'ty SCRE W SPEC LOCATION W TORQUE MMCK25050Z0 M2 .5*5 1 LOG LOW - ODD 2.5 ~3.0kgfcm MMCK25050Z0 M2.5 *5 2 SPEA /L)- LOG LOW 2.5~3.0kgfcm KER (R MMCK25050Z0 M2.5 *5 1 2.5~3.0kgfc m HDD DOOR- L O G LOW MACA0012304 M2 .5*10 1 LOWER - IELD - MB DLE- UP SH - SAD PER 2 .5~3.0[...]

F-4 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l SCREW P/N SCREW SPEC Q'ty LOCATION SCREW TORQUE MAAA0015320 2.0*3 ZBL (Black nickel) 1 LCD CABLE TO COVER 1.5~2.0kgf cm MAAA0015320 2.0*3 ZBL (Black nickel) 4 1.5~2.0kgfcm CPU PLATE TO MB STANDOFF MMCK20094Z0 M2.0 *2_BLACK_ZN 2 SH 1.5~2.0kgfcm KEYBOARD TO IELD UP TO LOG UP ECAL202V000[...]

Satellite M50 Series Maintenance Manual [CONFIDENTIAL] F-5 SCREW P/N SCRE Q'ty SCRE W SPEC LOCATION W TORQUE MACK25080Z0 M2 .5X8 2 LOGIC LOWER - HI L/ ) 2.5~3.0kgf cm NGE SADLE R (BACK SIDE MMCK25400Z0 M 2.5*4 2 HDD BREAKET- MB- LOG LOW 2.5~3.0kgfcm MMCK25400Z0 M LO W 2.5*4 2 HDD BREAKET- G LO 2.5~3.0kgfcm ELAL203C00 0 M2.5*3 thread) SCREW .9 [...]

F-6 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l[...]

Appendix G Appendix G Reliability The followin g table shows MT BF (Mean Tim e Between Failures) for each com ponent. Table G-1 MTBF Component Time (hours) LCD 50,000 Keyboard 40,000 HDD 300,000 Removable FDD 30,000 Optical (DVD/CD) drive 60,000 AC adaptor 60,000 Satellite M50 Series Maintenance Manual [CONFIDENTIAL] G-1[...]

G-2 [CONFIDENTIAL] Satellite M50 Series Maintenance Manua l[...]