MiTAC 8050QMA инструкция обслуживания

BY: ZX Xiao Repair Technology Research Department /EDVD Repair Technology Research Department /EDVD Jun.2005 / R01 SERVICE MANUAL FOR 8050QMA SERVICE MANUAL FOR SERVICE MANUAL FOR 8050QMA 8050QMA[...]

1 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Contents 1. Hard ware Engineering Specifica tion …… ……………………………… …………………… …………… 1.1 Introduction …………………… ……………………… ……………………… ……………………… ………………….. 1.2 System Har[...]

2 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Contents 5. Pin Description of Ma jor Com ponent … ….………… …………………… …………………… …………. 5.1 Intel 915PM North Bridge ……………………………… ……………………… ……………………… ………………. 5.2 Intel ICH6-M Sout [...]

3 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Contents 8.12 PC Card Socket Failure ……………………………… ……………………… ……………………… ………………… 9. Spare Parts List ……………………………………… …………………… …………………… …………... 10. Reference [...]

4 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.1 Introduction 1. Hardw are Engineeri ng Specification This do cum ent de scribe s the brief intro duc tion for M iTAC 80 50QM A portab le note book com puter sy stem. 1.1.1 General Description 1.1.2 System Overvie w The MiTA C 8050Q m odel is de sig ned for Intel D othan proce ss or with 533MH [...]

5 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance (DMI) connect ing wi th Intel ICH 6-M. The Intel ICH6-M integrates three Univer sal Serial Bus 2.0 Host Controller s Interface (UHCI), the Audio Controll er with AC 97 in terface, the E thernet incl udes a 32-bit PCI controller, t he IDE Mast er/Slave c ontr oller s, the SATA controller and Direct[...]

6 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance configurations, so tha t compact, high perform ance system s can be im plem ented ea sily . A full set of software drivers and utilities ar e available to allow advanc ed operating system s such as W indows ME, Window s 2 000 a nd W indow s XP to t ake full a dvan tage of t he hardw are cap abil i[...]

7 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.2 System H ardware Parts CPU I ntel® Penti um® M Processor (Dot han) 90n m, 2 M L2, 533 MHz FSB I ntel ® Celeron® M processor, 90nm , 512K L2, 400 MHz FSB Core logic Intel 915 PM + ICH6-M chipse t System B I O S SST49LF0 04A Me mo r y 0MB DDR2-S DRAM on Board Expandable wi th com binat ion o[...]

8 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.2.1 Intel Dot han Processor s in Micro-F CBGA Pac kage Intel Dot han Proces sors wi th 47 9 pins Mi cro-FCBGA pa ckag e. It will be m anufac ture d on Inte l’s a dvanc ed 9 0 nanom eter proc e ss te chnol ogy with c opper int ercon nect. It’s feature s include In tel A rchitec ture wit h Dy [...]

9 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Supports tig h t ppm accuracy clocks for Serial-AT A and SRC. • Supports spread spe ctrum modula tion, 0 t o –0. 5% dow n spread. • Uses exter n al 14. 318MHz crystal, external cry stal load caps are required for freque ncy tuning. • Supports u ndriven different ial CPU, SRC pair in PD[...]

10 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Intel ® Doth an process or • AGTL+ bus driver technology with integrated GTL termination resistor s (gated AGTL+ receivers for reduced power) • Supports 3 2 -bit A GTL+ host bus address ing • Suppo rts system bus at 533MT/ s (533 MHz) an d 400MT/s (400 MHz) • 2X Addre ss, 4X da ta ?[...]

11 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • 256-MB, 5 12-MB and 1-GB techno logy using x8 and x16 d evices. • Three m emory channel organizatio ns are suppor ted for DDR / D DR2 : – Single channel – Dual channel interlea ved – Dual chan nel asy mmetric • Supports D DR 333 de vices an d DDR2 4 00 /533 dev ice s – Support s o[...]

12 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Supports o n ly 1.5-V AGP electric s • 32 deep A GP reque st queue • Hierarchical PCI-c ompliant c onfiguration mechanism for downstream device s • Direct Media Interface (DMI) – Chip-to-c hip interco nnect between th e GMCH and ICH6- M – DMI x2 and D MI x4 configura tion supp orted[...]

13 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Integrate d Serial ATA host c ontroller wit h inde pendent D MA operatio n on two ports a nd AHCI supp ort • Integrate d IDE cont roller supports U ltra ATA100/6 6/33 • USB host interface with support for three USB ports; three UHCI host controllers; one EHCI high- speed USB2.0 Ho st cont[...]

14 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Pin out Com patible w ith CB 1410 • PCI Interface – Complia nt with PCI L ocal Bus S pecif ication Rev ision 2.3 – Compliant with PCI Bus Power Managem ent Interface Specification Re vision 1.1 – Complia nt with PCI Mo bile De sign Guide V ersion 1. 1 – Compliant with Advanced Co nfigur[...]

15 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Mem ory Stick Interface – Complia nt with Mem ory Stick PRO Form at Specification Versi on 1.0 – Support 4-b it Paralle l Data Transfer Mode – Mem ory Stick Cloc k Frequency Up to 40Mh z – Support DMA Mode to Minim ize CPU Overhead – Support T raffic LED Light – Support O ver Curr[...]

16 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Support parallel 4-wire pow er switch interface The AL C655 is a 16-bit, fu ll duplex AC '97 2.3 com patible six c hannels a udio CODEC de signed for PC m ultimedia system s, includ ing host/ soft audio and A MR/CN R based de signs. The ALC655 incor porate s proprie tary converter techno[...]

17 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Meets perform ance requirements for audio on PC99/2001 system s • Meets Mi crosoft WHQ L/ WLP 2. 0 audio requirem ents • 16-bit Stere o full-du plex COD EC with 48K Hz samplin g rate • Com p liant wi th AC’97 2. 3 specif ication s – 14.318 MHz- 24. 576MHz PLL to save cry stal – 12[...]

18 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Stereo MIC record for AEC/BF application • Supports Pow er Off CD func tion • Adjus table VREFOUT con trol Su pports double sampli ng rate (96KHz) o f DVD audio playback • Support 48K Hz of S/PDIF output i s com pliant with A C’97 rev2. 3 sp ecification • Power su pport: D igital: 3[...]

19 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance sm all outline packa ges (AC’97 interfac e on PCT303A and phone -line interface on PCT303W ). The chip set elim inates the ne ed for an AFE, an is olation tran sformer, relays, o pto-isolator s, and 2-to 4-wire hybrid. T he PCT2303W chip set dram atically reduce s the number of di scret e com p[...]

20 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • 2-4-wire hy brid • Integrate d ring detector • High vol tage isol ation of 4000V • Support for “ Caller ID” • Com pliant with FCC Part68, CTR21, Net4 a nd JATE • Low pow er standby • Low pro file SOIC package 16 pins 10x 3x1.55mm • Low pow er consumpti on • 10m A @ 3.3V op[...]

21 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Data – ITU-T V.90 (56 Kbps), V. 34 (4.8Kbps T O 33.6 Kbp s), V.32 bis ( 4.8Kbp s to 14.4K bps), V. 22 bis (1.2 bp s to 2.4 Kb ps), V.21 a nd Bell 10 3 and 212A(30 0 to 1200 bp s) modulati on protocol – Data Com pression ITU-T V .42bis MNP Cla ss 5 – Error Correction ITU-T V.42 LAPM MNP [...]

22 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.2.8 IEEE1394 VT630 1S 1.2.8.1 Overview The VT 6301S IEEE 1394 OHCI H ost Control ler provide s high perform ance serial conn ectivity. It i m plement s the Link a nd Phy layers for IEEE 1394-1 995 High Perform ance Serial Bu s specificati on release 1. 0 and 1 394a- 2000. It i s com pliant with[...]

23 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • 3-d eep physi cal pos t-write queue • 2-deep phy sical respon se queue • Dual buffer mode e nhancem ents • Skip Proce ssing en hanc ements • Block R ead Reque st handling • Ack_tardy processi ng Firmw are Hub for Intel® 81 0, 810E, 815 , 815E,815E P, 820, 840, 850 Chips ets Flexibl[...]

24 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance – Chip-Erase f or PP Mode Single 3. 0-3.6V Rea d and W rite Operations Superior Relia bility Firmware Hub Hardware Interface Mode Supports Intel High Definition Audio – 5-s ignal co mmun ication inte rface supporti ng byte Read and Writ e – 33 MHz cloc k frequency opera tion – WP# and TBL[...]

25 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • JEDE C standard 1.8V I/O (SSTL_18-co mpatible) • Differential da ta strobe (DQS ,DQ S#) option • Four-bit prefetch architecture • Differential cloc k input (CK,CK#) • Command entered on each ris ing CK edge • DQS edge-aligned with data for Rea ds • DQS center-ali gned with data fo[...]

26 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Programm able burst length s : 4 or 8 • Read burst in terrupt sup ported by another REA D • Write bur st interrupt su pported by another W RITE • Adjus table data – out put d rive strength • Concurrent auto p recharg e opti on is support ed • Auto Refresh (CBS) and Self Refre sh M[...]

27 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Mana gement (OSPM) to ac hieve the most efficient power m anageme nt poss ible. The RTL8100C(L) does not suppor t CardBus m ode as the RTL8139 C does. In addi tion to the A CPI feature, the RTL810 0C(L) also sup ports rem o te wake-u p (including AMD Magic Pack et, LinkChg, and Microsoft® w ake-[...]

28 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2. Supports PCI c lock 16.75 MHz-40 MH z 3. Supports PCI ta rget fast ba ck-to-back tran saction 4. Provides PCI bus master data tra nsfers and PCI mem o ry space or I/O s p ace m apped data transfers of RTL8100C(L )'s operationa l regist ers 5. Supports PCI VPD (V ital Product Data) 6. Supp[...]

29 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Advance d power sa ving mode w h en L AN function or wak eup function is not used • Uses 9 3 C46 ( 64*16-bit EE PROM) to store resource configuration, ID parameter and V PD data • Supports L ED pins for variou s network a ctivity indication s • Suppo rts loop back capabilit y • Half/F[...]

30 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Support 2 PW M channels, 2 D-A and 8 A-D converters • Reduce Firm ware burden by Hardware PS/2 d ecoding • Support 72 u seful G PIOs totally • Support Fla sh uti lity for on board re-flas h • Support ACPI • Hardware fast Gate A20 with softw are programm able IDE HDD 1.2.13 Hard Di s[...]

31 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance • Ultra AT A/33/66/100: DM A prot ocol that redefines si gnals on the IDE cable to al low both ho s t an d target throttling of data and tra nsfer rates of u p to 33 /66/100 MB/ s MiTac Secret Confidential Document[...]

32 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Keys Com bination Feature Meaning Fn + F 1 Pow er dow n Mini PCI pow er dow n Fn + F 2 Reserve Fn + F 3 Volume Dow n Fn + F 4 Volume Up Fn + F 5 L CD/external CR T sw itching Rota te displa y m od e in LCD only, CRT o nly, and simultaneously disp lay. Fn + F 6 Brigh tness dow n Decreases t he LC [...]

33 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.3.2 Power On/Off/Suspen d /Resume Button 1.3.2.1 APM Mode At APM m ode, Power but ton is on/off sy stem pow er. At ACPI m ode. Window s power m anagement c ontrol pane l set power b utton beh avio r. You c ould se t “stand b y ”, “power off” or “hi b ernate ”(must ena ble hiberna te[...]

34 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.3.4 LED In dicators 1.3.4.1 Three LED In dicators at Front Side: From left to right t hat ind i cate BA TTERY POWER, BA TTERY STATUS and A C POWE R -- A C POW ER: This LE D lights green w hen the note book was powered by AC pow er line, Fl ashes (o n 1 second, off 1 second) wh en entered su spe[...]

35 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance connecte d , t his in dicator glow s green if the bat tery pack i s fully charged or oran ge (amber) if the battery is being charge d. AC POWE R : This LED lights green w hen AC is p owering the note book, and fla sh (on 1 se cond, off 1 second) when Susp end to RA M no matter u sing AC power or [...]

36 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance -- Battery Wa rning: C apacity below 10% , Battery Capacity LED flashes , a nd sys t em beeps per 2 seconds. -- System will Suspend to HDD after 2 Minute s to protect users data. 1.3.5.2 Battery Low State After Battery Warning State, an d battery capa city is bel o w 5% , system will generate bee[...]

37 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When A C in or syst em main bat tery inside , CMOS battery will con sume no pow er. AC or m ain battery not e xists, CMOS b attery life at le ss (220mA h/5.8uA) 4 y ears. One Power Supply J ack One External DVI-I Connector For DVI Display Supports fo ur USB port for a ll USB device s. One MODEM R[...]

38 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Im planted H/W current limit and bat tery learning circ uit to enh ance protecti on of battery . 1.3.9 Battery Current Limit and Learning Lin e in Jack MiTac Secret Confidential Document[...]

39 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.4 Power Management The 8050 MB sy stem has bui lt in severa l power savin g m odes to prol ong the battery usage for m obile purpose. User can ena b le an d configure different degrees of power managem ent mode s via ROM CM OS se tup (booting by pressing F2 key). Following are the des cription [...]

40 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance -- LCD : backligh t off -- H DD: spi n down 1.4.1.4 Suspend to DRAM The most c hipset of the system is entering power d o wn m ode for more power sa ving. In th is m ode, the foll owing is the status of each device:  Suspen d to DRAM -- CP U: off -- Intel 915GM : Partial off -- V GA: Suspend -[...]

41 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance -- All sy stem stat us will be re stored when pow ered on aga in Im planted H/W current limit and bat tery learning circ uit to enh ance protecti on of battery . 1.4.2 Other P ower Managem ent Functions 1.4.2.1 HDD & Video Access System has the abil ity to monitor v ideo and hard d isk activ [...]

42 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.5 Appendix 1: In tel ICH6- M GPIO Defin itions (1) Pin n ame Current Define Power pl ane GPIO 0 PC I_ R E Q6 # I M AIN GPIO 1 M INIP C I_ AC T# I M AIN GPIO 2 PC I_ IN TE # I M AIN GPIO 3 PC I_ IN TF# I M AIN GPIO 4 PC I_IN TG# I M AIN GPIO 5 PC I_ IN TH # I M AIN GPIO 6 P M _B M B U SY # I M A[...]

43 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Pin n ame Curren t Define Power plane GP IO 2 8 X I/ O R E S U M E GP IO 2 9 P A N E L_ ID 1 I M AI N GP IO 3 0 P A N E L_ ID 2 I M AI N GP IO 3 1 P A N E L_ ID 3 I M AI N GP IO 3 2 P C L KR U N # I/ O M AI N GP I O33 MB_I D0 I /O MA IN GP I O34 MB_I D1 I /O MA IN GP I O40 MXM_D ETE CT# I MA IN G[...]

44 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.6 Appendix 2: W83L95 0D KBC Pins Definitions (1) Po r t Pi n Func t i o n I mple me nt P0 0-7 KO[0..7] P1 0-7 KO[8.. 15] P3 0-7 KI[0..7 ] 0 L PC en a b le H8_ T HR M # 1 GP I O x1 H8_ W A KE _ UP# 2 B A TT_ G # 3 B A TT_ R # 4E X T S M I # 5C A P # 6 NUM # 7 S C RO LL# 0H 8 _ E N A B K L 1C H A[...]

45 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Po r t Pi n Func t i o n I mple me nt 0 P W RBT N # 1 K BC_ RI # 2 A C_ P O W ER# 3 B A TT_ V 4 B A TT_ T 5H 8 _ I _ L I M I T 6H 8 _ P R O C H O T # 7 +BC_ CP U CORE 0T _ D A T A 1H 8 _ R S M R S T 2 I CH_ P W RBT N 3T _ C L K 4 H8 _ PW RON_ SUSB # 5S U S C # 6 B AT_D ATA 7B A T _ C L K 0 PCIC L[...]

46 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1.7 Appendix 3: 8050QMA Product Spec (1) Item Description CPU Intel ® P enti um® M Proces sor (Dothan) 90nm , 2M L2, 533 MHz FSB Inte l® Celer on® M process or, 90nm, 512K L2, 400 MHz FSB - CPU Ther mal ce iling: 27W Core logic Intel 915PM + ICH6M - Dual Cha nnel Mem ory S uppor t - DDR2 400/[...]

47 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Contin ue to previous page 1.7 Appendix 3: 8050QMA Product Spec (2) Item Description Audi o/AV Funct ion - AC97, s upport S/PDI F output - 5.1 channe l analog output - 2.1 channe l sys tem s peak er. tw o ful l range s peake rs(1W * 2 Front), one s ubwoof er(3W) - Bu ild in m icrophone Multi Ca r[...]

48 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Item Desc ripti on Com muni cati on PCI 10/100 L AN MDC 56K , V.90 Mode m 802.11 g w irele ss L AN ( Mini PCI o ptional) with bui lt-in A ntenna Pow er S upply 6 ce ll Li -ion (2400m AH /3.7V) B atter y pa ck Battery Life > 3HRs AC adapter Univ ersa l A C ada pter 2 Pin 2.5* 5.5*11 65W 19V DC [...]

49 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.1 System View 2.1.1 Front Vi ew 2.1.2 Left-side View 2. System View and Disassembly              Line In Connecto r MS/SD/MMC Card Slot 1394 P o rt MIC In Connector      Lin e Out Co nnecto r  Top Cover L atch S-Video Port RJ-11 C onnecto[...]

50 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.1.3 Right-sid e View 2.1.4 Rear Vi ew   Lock AC Power Connector USB Ports *2      CD/DVD-ROM Drive Kensingt on Lock    MiTac Secret Confidential Document[...]

51 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.1.5 Bottom Vie w 2.1.6 Top-ope n View  Hard Disk Drive CPU  Battery Park  Stereo Speaker Set                  LCD Screen  Internal MIC In Key board   Stereo Speaker Set  Power Button    Device LED Indicators Touch [...]

52 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.2 Tools Introduct ion 2mm 2mm Bit Size #0 Screw Size To oling Tor. Bit Size 1. M2.0 Aut o-Screw driver 2.0- 2.5 kg/c m2 # 0 2. Auto screw drive r for notebook a ssembly & dis assem bly. 1. Minu s screw dri ver with bit s ize 2mm for noteboo k assem bly & disas sembly. MiTac Secret Confi[...]

53 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3 System Disas sembly The secti on discus ses at le ngth each m ajor compone nt for disass e m bly/reassem bly and sh ow correspond ing illustra tions.U se the c hart below to determine the di sassem bly sequ ence for rem oving com ponents from the note book. NOTE: Befor e you start to insta ll[...]

54 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1. Carefull y put the not ebook upsid e down. 2. Slide t he two relea se lever outw ards to the “ unlock” pos ition (  ), while ta ke the b attery pack ou t of the compartment (  ). (Figure 2-1) 1. Repl ace the battery pack into the compart m ent. The b attery pack should be correctly c[...]

55 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.2 Keyboar d 1. Rem ove the battery pack. (Refer to sect ion 2.3.1 Di sassem bly) 2. Open the top c over. 3. Loo sen the five latche s lockin g the keyboard. (Figure 2-2) Figure 2-2 L oos e the five latches Disasse mbly MiTac Secret Confidential Document[...]

56 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Figure 2- 3 Free the keyboard Reassembly 1. Reco nnect the key board cable and fit t he keyboard back into pla ce. 2. Repl ace the keyboard fasten th e five latches. 3. Repla ce the battery pac k. (Refer to secti on 2.3.1 Rea ssembly ) 4. Slight ly lift up t he keyboard an d disconnec t the cable[...]

57 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.3 CPU Figure 2- 4 Remove the seven screws Figure 2-5 Free the heatsink Disasse mbly 1. Rem ove the battery pack. (Refer to sect ion 2.3.1 Di sassem bly) 2. Rem ove the seven screw s fastening the CPU cover. (Figure 2-4) 3. Rem ove the four sprin g screw s and two screws that s ecure the hea t[...]

58 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Reassembly 1. Carefully, align the arrowhead corner of the CPU with the bevele d corner of the socket, then insert CPU pins into the ho les. Tighte n the screw by a flat screwdri ver to lockin g the CPU. 2. Conn ect th e fan’s power cord to the system board, fit the he atsink up on the CPU, the[...]

59 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.4 HDD Mo dule Figure 2-8 Remove HDD module Figure 2-7 Remove the HDD compartment cover Disasse mbly 1. Carefull y put the notebook upside do wn. Remove the batt ery pack. (Refer t o section 2.3 .1 Disassem b ly) 2. Remove the two screws fastening t he HDD compartment cover. (Fi gure 2-7 ) 3. [...]

60 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Rem ove the four screws t o separate t he hard di sk drive from the brack et, remove the hard disk drive. (Figure 2-9) Reassembly 1. Att ach the bracket to hard disk drive and s ecure with fou r screws. 2. Sli de the HDD modul e into th e compartment and secure with on e screw. 3. Place the HD[...]

61 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1. Push the CD/DVD-ROM drive into the compartment and secure wi th one screw. 2. Repla ce the battery pac k. (See section 2. 3.1 Reas sem bly) Disasse mbly 1. Carefull y put the not ebook upsid e down. Remove the battery pack . (See section 2.3.1 Disass em bly) 2. Remove the one screw fast ening [...]

62 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 1. To inst all the DDR , m atch the DDR's n otched part wit h the socke t's projected part and firmly insert the SO- DIMM i nto the s ocket at 20 -deg ree an gle . Then push do wn until th e retaining clips lock th e DDR into posit ion. 2. Repla ce the CPU cover and s ecure with seven s[...]

63 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.7 Modem Card Figure 2-12 Remove two screws Figure 2-13 Disconnect the cord 1. Reco nnect the cord and fit the m odem card. 2. Faste n the modem card by two screw s. 3. Repla ce the CPU cover by seven screws. (Refer to step 3 of se ction 2.3.3 Reas sembly ) . 4. Repla ce the battery pac k. (Re[...]

64 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.8 LC D ASSY Figu re 2-14 Remo ve the eigh te en s cr ews and separate the antenna Figure 2-15 Free the top cover Disasse mbly 1. Remove the battery p ack, keyboard, CPU, hard disk driv e, CD/DVD-ROM drive, DDR and modem card . (See section s 2.3.1, 2.3.2, 2.3.3, 2. 3.4, 2.3. 5, 2.3.6 a nd 2.3[...]

65 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Rem ove the seven screws an d lift the top shi elding up, t hen free the top shielding. (Figure 2-16) 5. Separate t he antenna a nd disc onnect the two cables from the system board. (Figure 2-17) Figure 2-16 Remove the seven screws Figure 2-17 Disconnect the two cables and separate the antenna[...]

66 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 6. Rem ove the two sc rews and lift the tw o hinge cover s up, th en free the two hin ge covers. (Figure 2-18) 7. Rem ove the four screws, t hen free the LCD ass embly. (Figure 2-19) Figure 2-18 Free the t w o hinge covers Figure 2-19 Free the LCD assembly 1. Attac h the LCD a ssem bly to the ba [...]

67 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.9 LC D Panel Disasse mbly 1. Rem ove the battery , key board, CPU, hard dis k drive, CD/DV D-ROM drive, D DR, m odem card and LCD assem bly. (Refer to sec tion 2.3. 1, 2.3.2, 2.3.3, 2.3. 4, 2.3.5, 2.3. 6, 2.3.7 a nd 2.3.8 D isassem bly) 2. Rem ove the two rubber pa ds and two screws on the co[...]

68 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Reassembly 1. Replace the c able to the LCD panel. 2. Attac h the LCD panel’ s brackets back to LC D panel and sec ure with four screw s. 3. Repl ace the LCD panel i nto LCD ho using and secu re with ten screws. 4. Reco nnect one ca ble to inverter board. 5. Fit the LC D cover and sec ure with [...]

69 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.10 In verter Board Disasse mbly 1. Rem ove the battery , key board, CPU, hard dis k drive, CD/DV D-ROM drive, D DR, m odem card, LCD assem bly and LCD panel. (Refer t o section 2.3.1, 2. 3.2, 2.3.3, 2.3.4, 2.3.5, 2.3. 6, 2.3. 7, 2.3. 8 an d 2.3. 9 Disassembly) 2. Rem ove the one screw fasteni[...]

70 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.11 Sy stem Board Figure 2-25 Remove the two screws Figure 2-26 Remove the two screws Disasse mbly 1. Rem ove the battery , key board, CPU, hard dis k drive, CD/DV D-ROM drive, D DR, m odem card and LCD assem bly. (Refer to sec tions 2. 3.1, 2.3.2 , 2.3.3, 2. 3.4, 2.3. 5, 2.3.6, 2. 3.7 and 2.3[...]

71 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Disconnect the three speakers’ cables from the system board and separate the (R&L ) rear covers. (Figure 2-27) 5. Remove the fou r screws and lift the system board from th e housing. (Fi gure 2-28) Figure 2-27 Disconnect the cables and separate the rear covers Figure 2-28 Remove the four[...]

72 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Reassembly 1. Fit the system board into th e I/O bracket and secure with tw o screws. 2. Repla ce the sy stem board into the housing and secure with four screws. 3. Reconne ct the three speaker s’ cables into the sy stem board and replace the (R&L) rear covers. 4. Secure with four sc rews f[...]

73 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 2.3.12 Touch Pad 1. Remove the battery p ack, keyboard, CPU, h ard disk d rive, CD/DVD-ROM driv e, DDR and modem card. (See section s 2.3.1, 2.3.2, 2.3. 3, 2.3.4, 2. 3.5, 2. 3.6 and 2.3. 7 Disa ssembly ) 2. Rem ove the top co ver. (Refer to the ste ps 1- 3 of 2.3. 8 sec t io n Disa ssembly ) 3. R[...]

74 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 3. Definition & Location of Conn ectors / Switches 3.1 Mother B oard (Side A ) J8 J2 J1 J3 J5 J4 J7 SW3 SW4 SW2  J1 : Inverter Boar d Connector  J2 : LCD Pa nel Connector  J3 : Internal L eft Spea ker Connector  J4 : Touch-pad Module Conne ctor  J5 : Internal Ke y-board Connect[...]

75 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 3. Definition & Location of Conn ectors / Switches 3.2 Mother B oard (Side B) J706 PJ701 J701 J716 J713 J714 J501 J703 J710 J715 J702 J502 J709 J507 J704 J503 J504 J720 J721 J508 J509 J719 J723  PJ701 : A C Adaptor Connector  J701&J7 06 : USB Port Connector  J702 : DV I Connector[...]

76 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Definition & Location of Major Components 4.1 Mother B oard (Side A ) PU2 PU1 2 U13 U19 U14 PU5 PU6 PU3 U7 U18  PU2 : +3V S /+ 5VS Voltage Generator  PU3 : C h arging V oltage Controller  PU5 : CPU_Co re Vo ltage Generator  PU6 : +1 .5VS/+1.05VS Vol tage Generator  PU12 : +1[...]

77 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 4. Definition & Location of Major Components 4.2 Mother B oard (Side B) U710 U711 U717 U722 U724 U709 U517  U709 : Intel ICH 6-M South Bridge  U710 : Intel 915PM North Bridge  U711 : Intel Dothan CPU  U717 : LAN-RTL81 00CL Controller  U722 : IEEE1394 C ontroller  U724 : Seri[...]

78 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(1) Ho st Interfa ce Signals Signal Na me Ty pe Description HADS# I/ O AGT L+ Host Addres s Strobe: The sys tem bus ow ner asse rts HA DS# to indi cate the firs t o f two cycles of a request p hase. The GM CH can also assert th is signal for snoop cycles and interrupt[...]

79 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(2) Host Interface Si g nals (Continu ed) Signal Na me Type De scription HLOCK # I AGTL+ Host L ock: All C PU bus cycles sampled with th e assertion of HL OCK# and HADS# , un ti l t he nega ti on of HLOCK# mu st b e at omi c , i .e. PCI Express grap hi cs access to Sy[...]

80 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(3) DDR / DD R2 SDRAM Channel A I nterface Signal Na me Type Descriptio n SA_DQ[63:0] I/O SSTL 1 .8/2 2x Data Bus: DDR / DDR2 C hann el A data signal in terface to the SDRAM data bus. Single channel mode: R oute to S O-DIMM 0 & SO-DI MM1 Du al ch annel mode : Ro u[...]

81 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(4) DDR / DDR 2 SDRAM Channel B Interface Signal Na me Type Descr iption SB_DQ[63 :0] I/ O SSTL 1. 8/2 2x Dat a L i ne s: DDR / DDR2 Ch annel B da ta sign al interface to the SDRAM dat a bus. Single Channel mode: No connect. Dual chann el mode: Route to SO-DI MM B NOT[...]

82 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(5) DDR / DD R2 Co mm on S ignal s Sig nal Na me Type Descr iptio n SM_CK [1:0], SM_CK [4:3] O SST L1.8/2 SDR AM Different ial Clock : The crossing of the positiv e edge of SM_CK x and the neg ative edg e of its comple me nt SM_CK x# are used to s ample the c ommand a[...]

83 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(6) CRT DAC Si gnal s Signal Na me T ype Descri ption RED O A RED An al og Video Outpu t: This signal is a CRT Analog video output from th e internal color pa let te DAC . RED# O A RED# Analog Outpu t: This signal is an analog video outpu t from the int ernal color pa[...]

84 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(7) LVDS Sign a ls Signal Na me T ype Descr iption LDVS Channel A L ADA TA P[2:0] I/ O LVDS Channe l A diff er ential data out put - pos itive LA DATA N[ 2:0] I/ O LVDS Channe l A diff er ential data out put –neg ative LAC LKP I/ O LVDS Chann el A differential clock[...]

85 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(8) Serial DV O Interface. Signal Na me Ty pe Descriptio n SDVO B I nterface SDV OB_CL KP O PCIE Serial Digital Video B C lo c k. Multiplexed with EXP_TXP_3. SDV OB_CL KN O PCIE Serial Digital Video B C lo c k Comp le ment . Multiplexed w ith EXP_TXN_3. SDV OB_RE D O [...]

86 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(9) PLL Signals Signal Na me Ty pe Descripti on HCLK P I Diff Clk Differe ntial Host Clock I n: Differential cl ock inpu t for the H ost PLL . Used for phase cancellation for F SB transa ctions. This c lock is used by all of the GMCH logic that i s in the Host clock d[...]

87 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.1 Intel 915 PM North Bridge(10) Power and Ground Interfac e Bal l Nam e Description Host VTT (VCCP) FSB power supply (1.05 V) - (VCC P) V CCA _SM V CCA SM is t he A nalo g pow er su pply f or S M data buf fe rs use d for D L L & othe r lo gic ( 1.5 V) DRAM VCCSM System memo ry power supply [...]

88 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(1) PCI I nterface Signals Name Type Descriptio n AD [31: 0] I/ O PCI Address/Dat a: AD[31:0 ] is a mu ltiplexed address and data bu s. During the first c lock of a transact ion, AD[31:0] contain a physical addr ess (32 bi ts). D uring subse que nt clo cks, A D[31: 0[...]

89 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(2) PCI I nterface Signals (Continued) Name Type Description PERR# I/O Pari ty Erro r: An ex t ernal PC I device drives PERR# when it re c eives data t hat h as a pari ty e rror. The ICH6 drives PERR# when it detects a parity error. The ICH 6 can either generate an N[...]

90 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(3) Serial ATA Interface Signals (Contin ued) Name Type D e scription SATA[3]GP / GPI[31] I Serial ATA 3 Ge neral Purpose: Sam e func tion as S AT A[0]G P, excep t for SATA Port 3. I f i nterlock switches are not required, th is pin can be configured a s GPI[ 31 ] . [...]

91 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(4) IDE I nterface Signals Name Type D e scription DCS1# O IDE Device Chip Selects for 100 Ra nge: Fo r AT A c om ma n d register block. This output signal is conn ected to the corresponding signal on the I DE conn ector. DCS3# O IDE Device Chip Select for 300 Ra nge[...]

92 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(5) USB Interface S ignals Name Type D e scription USBP[0]P, USBP[0]N, USBP[1]P, USBP[1]N I/ O Universa l Serial Bus Port [1:0] Dif fere ntia l: These differ ent ial pairs are used to transmit Data/Address/Command si gnals for ports 0 and 1. These ports can be routed[...]

93 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(6) Power M anagem ent In t erface Signals Name Type Description PWRBTN# I Power Button: The Powe r Button will cause SMI # or SCI to indic ate a system re quest to go to a sleep state. I f t he syste m is already in a sleep st a te, th is si gna l wi ll c au se a wa[...]

94 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(7) Processor Interface Signals Name Type Description A20M# O Mask A20: A20M# will go active based on either setting the appr opria te bit in the Por t 92h re giste r, o r based on the A 20GA TE input be ing ac tive . CPUSLP# O Proc essor Sl eep: This signal puts the[...]

95 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(8) General Purp o se I/O Signals 1 ,2 Nam e T yp e Toleran ce Power W ell Des cript ion GPO[ 49] OD O V_CPU_ I O `Core This signal is fixed as output only and can instea d be used as C PUPW R GD. GPO[ 48] O 3.3 V Core This signal is fixed as output only and can inst[...]

96 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(9) Power and Ground Signals Name Description Vcc3_3 3.3 V su pply for core w ell I /O b uffers (22 pins). This powe r may be shut off in S3, S4, S5 or G 3 states. Vcc1 _5_A 1.5 V supp ly for core wel l logic, group A (52 pins ). This power may be shut off in S3, S4,[...]

97 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 5.2 Intel ICH 6-M South Bridge(10) Functional Strap D efinitions 1 Signa l Usage When Sam pled De scription GNT[ 6 ]#/ GPO[ 1 6] Top-Block Sw a p Ove rride Rising Ed ge of PWROK The signal has a w eak internal pull-up. I f the signal is samp led low , this in dicates th at the sy stem is str appe[...]

98 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 6. System B lock Diagram DVI Connector RGB Signal Flat Panel LVDS Signal 200 Pins DDR2 SO-DIMM So cket * 2 USB * 4 FSB U711 Intel CPU Dothan U710 North Bridge 915PM U715 Card B us CB712 U509 Power S witch CP2211A U19 Amplifier TPA0212 J507 M.D.C RJ-11 Jack U517 Audio Codec ALC655 Mic-in Connector[...]

99 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 7. Maintenance Diagnos tics 7.1 Introduction Each tim e the computer is turne d on, the sy ste m BIOS runs a serie s of internal chec ks on the hardware. This power- on self test (post) allows the computer to detect pr oblems as early as the power-on stage. Er ror message s of post can alert you [...]

100 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 7.2 Maintenance Diagn ostics 7.2.1 Diagnosti c Tool for Mini PCI Slot : P/N:41 1906900 001 Descript ion: PWA; P WA-MPDOG/MINI PCI DOGKI LLER CARD Note: O rder it from MIC/TSSC MiTac Secret Confidential Document[...]

101 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 7.3 Error Codes-1 Following is a list of error codes in seque nt display on the MINI PCI debug board. Test 8237A Page Registers 1Fh Initialize Monochrome Adapter 1Eh Initialize Color Adapte r 1Dh Initialize Video (6845Regs) 1Ch Initialize Video Adapte r(s) 1Bh Reset PIC’s 1Ah Check sum the ROM[...]

102 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 7.3 Error Codes-2 Following is a list of error codes in seque nt display on the MINI PCI debug board. Special Init of COMM and LPT Ports 3Fh Update NUMLOCK status 3Eh Search and Init the Mouse 3Dh Initialize the Hardware Vectors 3Ch Test for RTC ticking 3Bh Test if 18.2Hz Periodic Working 3Ah Se[...]

103 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8. Trouble Shooting  8.1 No Po w er(*1)  8.2 No D isplay(*2 )  8.3 VGA Co ntroller Tes t Error LCD No Dis play  8.4 External M onitor No Displ ay  8.5 Mem o ry Te st Error  8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error  8.7 Hard Dri ve T est Error  8.8 CD-ROM Drive Tes t [...]

104 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance *1: No Power Defin ition Base on ACPI Spec. W e define the no power as while we press the power button, the system can’t leave S5 status or none the PG signal se nd out from pow er supply. *2: No Displ ay Definition Base on th e digital IC t hree basic working condi tions: wo rking power, rese[...]

105 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up. AC Power Battery BATT BAT_T BAT_V BAT_CLK BAT_ DATA PU3 PL5 07 PF5 01 PQ5 06 PD5 05 PL5 08 PD5 07 PQ5 03 Where from power sou rce prob lem (fir st use A C to power it )? Check f ollo[...]

106 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up. Main Voltage Ma p +DVMAIN ADINP POWE R IN PWR_VDDIN PJ701 PF1 PL1 PL2 PD505 Discharge PD502 PD503 BATT PF501, PL506, PQ503 PU3, PL507,PL 508,PD 507 PQ506 Charge Discharge F4,U513 PQ5[...]

107 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up. Main Voltage Ma p 8.1 No Power-3 PL51 4,PL51 5 PU6 PU507, PL514 +1.05VS_P +VC CP JS508~ JS510 P25 P28 +VCC_GMCH L50 P6 +1.5VS_P +1.5VS JS511~ JS513 P28 +1.5VS_DPLLA P6 L34 +DVMAIN P2[...]

108 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up. 8.1 No Power-4 +DVMAIN ADINP PC532 1000P PC528 0.01µ S D 2 3 1 6 7 8 5 G PR503 100K PR502 470K PQ501 AQ4407 LEARNI NG PR505 1M 23 +PWR_VDDIN PD504 SBM104 0 AK PQ502 2N7002 U13 Keybo[...]

109 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up. Charge ADINP PD507 SSA34 P 32 PL508 33µH PQ8 2N7002 G S D PQ7 DTA144W K PC29 0.01µ VCC OUTPUTCTRL REF 2IN - DT C 4 FEEDBAC K PR32 100K 3 1IN - 2IN + 16 2 PU3 PWM TL594C C1,C2 PD4 B[...]

110 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance +VDD3_AV REF 1 2 3 C332 0.1µ C333 0.1µ D16 BAV 70LT1 77 78 PC19 0.1µ PR29 100K PR510 499K PL505 120Z/ 100M PF701 TR/SF T-10A PL504 120Z/ 100M PC514 0.01µ 1,2 5 PC523 0.01µ +VDD3_AV REF PR134 4.99K PR8 20K PC10 0.1µ When the power button is pressed, nothing happen s, no fan activity is hear[...]

111 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance U709 South Bridge ICH6-M P 11 ICH_P WRBTN 7 ICH_PWRBTN# R347 0 Q45 FDV 301N RSMRST # 8 H8_RSM RST S D G When the power button is pressed, nothing happen s, no fan activity is heard and power indicator is not light up. Power Controller 8.1 No Power-7 18 1 PWRBT N# R12 1K SW2 TCD01 0-PSS 11CET C7 [...]

112 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance There is no display on both LCD and VGA m o nitor after power on althou gh the LCD and monitor is k nown-good. 8.2 No Displa y-1 No Dis play Monitor or LCD modu le OK? Replace monitor or LCD. Board-level Trou bleshootin g Sy stem BIOS writ es error code t o por t 378H ? Yes No Yes No Refe r to p[...]

113 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance U13 W83L950D P 23 56 PCICLK_KBC 70 R114 33 U709 South Brid ge ICH6-M P 11 46 8 SMBCLK SMB_CLK PCICLK_ ICH R207 2.2K R206 2.2K +VDD3S To J714, J 713 P 8 47 SMBDATA SMB_DATA 33 R93 R131 12.1 52 14M_ICH 12 CLK_US B48 54 24 STOP_PCI# STOP_CPU# CLK_I CH 55 33 R98 R80 33 R97 33 R96 33 26 27 CLK_ICH# C[...]

114 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance PLT_RST# 4 5 6 14 7 +3VS FWH_PCI RST# U14 System BIOS P 24 JL20 JP_ NET10 2 U10B 74AHC 08_V GMCH_RST# JL21 JP_ NET10 To No rth Bri dge U710 LAN_ RST# JL26 JP_ NET10 J710 CDROM Connector P 14 5 RSTDRV # +5VS R311 10K Q18 DDTC1 44TC A 1 2 3 14 7 +3VS KBC_PCIRST# U13 W83L950D P 23 JL19 JP_ NET10 64[...]

115 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Displa y OK? Replace fa ulty LCD o r monitor. Displa y OK? VGA Co nt r oller Failure LCD No Dis play 1. Con firm LCD pan el or monitor is good and c heck the ca ble are connected prop erly . 2. Tr y another kn own good monitor or L CD module. Remov e all the I/O de vice & cable from mother b[...]

116 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance L19 120Z/ 100M +3VS R31 1M F1 2A Q4 AO4419 S D 2 3 1 6 7 8 5 G R28 0 1,2 C10 1µ LVDS_ ENVDD C1 5 0.22µ 8.3 VGA Controller Test Error LCD No Display-2 There is no display or pictur e abnormal on LCD although power-on- self-test is passed. U710 North Bridge Intel 915PM P 5 17 19 20 PANEL_ ID0 PA[...]

117 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.4 External Monitor No Display-1 There is no display or pictur e abnormal on CRT monitor, but it is OK for LCD. Yes Re-soldering. No One of the followi ng part s on the mother- board ma y be defe ctiv e, use an o scillosc ope t o ch eck t he follo wing s ignal or replace the parts one at a tim [...]

118 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.4 External Monitor No Display-2 There is no display or pictur e abnormal on CRT monitor, but it is OK for LCD. IGP_ CRT_RE D IGP_ CRT_GRE EN IGP_ CRT_BL UE 1 2 3 CON_RE D CON_GRE EN CON_BL UE L2 130OHM /100M L11 130OHM /100M L10 130OHM /100M JO52 JO53 JO51 IGP_ CRT_DD DA IGP_ CRT_HS YNC IGP_ C[...]

119 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.5 Memory Test Erro r-1 Extend DDRAM is fa ilure or system hangs up. Memory Test Error One of th e follo wing c ompon ents or si gnals o n the mo therbo ard may be de fectiv e ,Us e an oscill oscope to ch eck t he si gnals o r replace the parts one at a tim e and te st af ter each re placement.[...]

120 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.5 Memory Test Erro r-2 Extend DDRAM is fa ilure or system hangs up. R243,R2 63…. 56 +0.9VS SMBDATA SMBCLK J713 P 8 DDR SODIMM +DDR2_VREF R606 75 +1.8V R242 75 C304 0.1µ C604 2.2µ C295 2.2µ S[A..B]_DQS#[0..7 ], S[A..B]_DQS[0..7] S[A..B]_A[0..1 3], CKE#[0..3 ], CS#[0..3], ODT[0..3] S[A..B]_[...]

121 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error-1 Error m essage of k e yboard or touch-pad failure is sh own or any k ey does not work. Keybo ard or Touch -Pad Test Error Try another know n good K e y board or Touc h-pad. Test Ok? Replace the faul t y Keyboard or Touch-P ad. Check J4, J5 for col [...]

122 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance C330 22P 28 29 C326 22P X2 8MHZ R328 1M T_CLK T_DAT A 6 9 L47 130 Z/100 M 11,12 9,10 TP_CLK TP_DAT A U709 South Brid ge ICH6-M +VDD3 71 U13 Keyboard BIOS W83L950D 8.6 Keyboard (K/B) Touch-Pad (T/P) Test Error-2 Error m essage of k e yboard or touch-pad failure is sh own or any k ey does not work[...]

123 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Hard Disk Dr iv e Test Error One of the fol lowing par ts or sig nals on the mothe rboard m ay be d efecti ve, use an os cilloscop e to check the si gnals or r eplace the par ts one at a tim e and te st after eac h replacem ent. Yes No Re-boot OK? Replace the faul ty par ts. 1. Check if BIO S se[...]

124 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance +1.8VS_HDD 41,56 C126 12P 23 22 C125 12P X4 25MHZ R225 1M +5VS R422 0 D26 CL-190G R439 470 SATA_TXP SATA_TXN SATA_RXP SATA_RXN C582 3900P C580 3900P C577 3900P C575 3900P SATA_TXP0 SATA_T XN0 SATA_RXP0 SATA_R XN0 27 28 32 31 DDRQ 24 60 DIOR DY 18 55 DIRQ 14 53 DD[ 0..15] 27~42 1~3,5~ 7… DA[0..[...]

125 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.8 CD-ROM Drive Test Error-1 An error mes sage is show n when re ading data from CD-ROM drive. CD-ROM D river Test Error One o f the foll owin g parts or signals on the motherb oard ma y be d efecti ve, use an os cilloscop e to check the si gnals or r eplace the par ts one at a tim e and te st [...]

126 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.8 CD-ROM Drive Test Error-2 An error mes sage is show n when re ading data from CD-ROM drive. J710 P 14 CD-ROM Connector R441 470 D27 CL-190G CD_LE D# +5VS +3VS R558 4.7K 5 37 6~21 38~42 31 29 28 27 25 22 24 35 36 34 33 +5VS C198 10µ C209 0.1µ L49 120Z/ 100MHZ IDEIR Q SIORDY SDIOW# SDDREQ SD[...]

127 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.9 USB Test Error-1 An error occu r s when a USB I/O device is inst alled. Re-test OK? Test OK? USB Test Error Check if th e USB devic e is installed prope rly . No Yes No Yes Chec k the follo wing pa rts for col d solder or on e of the follo wing parts on the m other-boa rd may be defective , [...]

128 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.9 USB Test Error-2 An error occu r s when a USB I/O device is inst alled. U709 South Brid ge ICH6-M P 11 U501 RT9701-CB P 14 USB Port J701 2 3 L5 90Z/1 00M 32 1 4 1 +VCC_ USB_1 L6 90Z/1 00M 41 2 3 A3 A2 A1 P 14 R502 33K C505 1000P VIN 3 +5V C172 1µ VOUT0 ,1 1,5 C504 150µ R503 47K +VCC_ USB_0[...]

129 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.10 Audio Test Error-1 No sound from speak er after audio driver is installed. Re-test OK? Test OK? Audio Fail ure 1. Check if speake r cables a re conn ected prope rly. 2. Ma ke sur e all t he dri vers are install ed prope rly. Try another k nown g ood speake r, CD-ROM. Board-level Trou blesho[...]

130 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance AGND R406 6.8K R419 6.8K 8.10 Audio Test Error-2 ( Audio In) U517 Audio Codec ALC655 U709 South Brid ge ICH6-M U715 PC14510GHK C335 1µ C339 0.1µ SBSPKR R336 10K CARDSPK 12 PC _BEEP SPK_OFF To ne xt page 1 2 4 +VA DVDD1, 2 AVDD1, 2 25,38 P 21 P 18 R337 47K R338 47K +VA L71 120Z/ 100M C755 0.1µ[...]

131 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.10 Audio Test Error-3 ( Audio Out) U19 Audio Amplifier TPA0212 R343 1K C345 100P R380 1K C365 100P C354 100µ R379 22 P 22 J7 21 16 ROUT+ ROUT- 1 2 R Internal Spe aker Connector C341 100µ R404 22 L83 BEA D_600Z/10 0M L76 BEA D_600Z/10 0M C356 1µ C347 1µ AMP_RIG HT 20 23 From previ ous page [...]

132 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance 8.11 LAN Test Error-1 An error occu r s w hen a LAN device is installed. LAN Test Error Yes No Test OK? No Check if BI OS setup is ok. Re-test OK? Board-level Trou bleshootin g Chec k the follo wing pa rts for col d solder or on e of the follo wing parts on the m other-boa rd may be defective , [...]

133 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance PCI_A D[0..31] 33… PCI_AD2 0 46 ICH_P ME# 31 PCI_C/BE[0..3] 44… PCLKRUN# 65 PCI_DEVSEL# 68 PCI_FRA ME# 61 PCI_G NT3# 29 PCI_RE Q3 # 30 PCI_IN TE# 25 PCI_IR DY# 63 PCI_T RDY# 67 PCI_PAR 76 PCI_PE RR# 70 PCI_S ERR# 75 PCI_S TOP# 69 MCT1 MCT3 MCT2 MCT4 24 21 18 15 R227 75 GND_45 R20 75 R204 75 [...]

134 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance Re-test OK? Test OK? PC Card Socket Fa ilure 1. Che ck if the PC Card de vice is installe d prop erly . 2. Conf irm PC Ca rd driver is inst alled o k. Yes No Yes No Chan ge the fault y pa rt then end . Chec k the follo wing pa rts for col d solder or on e of the follo wing parts on the m other-b[...]

135 80 80 50QMA 50QMA N/B Maintenance N/B Maintenance PCI_C/BE#[0..3] PCI_PAR, PCI_ STOP# PCI_S ERR#, PC I_PERR# PCI_A D[0..31] PCI_T RDY#, PC I_IRDY# PCI_DEVSEL# PCLKRUN# PCI_G NT0# , PCI_REQ 0# IDSEL PCI_FRA ME# R240 43.2 R2_D2, R2_D14, R 2_A 18 CAUDIO , CSTS CHG 8.12 PC Card Socket Tes t Error-2 An error occu r s when a PC card device is in stal[...]

Reference Material  Intel Pentium-M Processor Intel, INC  Intel 915PM North Bridge Data Sheet Intel, INC  Intel ICH6 South Bridge Data Sheet Intel, INC  System Explode View Technology.Corp./MiTAC  8050QMA Hardware Engineering Specification Technology.Corp./MiTAC[...]

SERVICE MANUAL FOR 8050QMA Sponsoring Editor : Jesse Jan Author : ZX.Xiao Assistant Editor : Ping Xie Publisher : MiTAC International Corp. Address : 1, R&D Road 2, Hsinchu Science-Based Industrial, Hsinchu, Taiwan, R.O.C. Tel : 886-3-5779250 Fax : 886-3-5781245 First Edition : Jun. 2005 E-mail : Willy.Chen @ mic.com.tw Web : http: //www.mitac.[...]