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Samsung 305TPLUS manual

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Table of contents for the manual

  • Page 1

    SERVICE Manual LCD Monitor F ashion F ea ture L CD-Monitor Chassis LHU30BS Model 305TPL US - Back Side cable management - Silm / Narrow Design - PCB: 2 Layer, 150mm x 100mm - Connectivity: DVI-D, USB 2.0 (1up, 4down) - Power consumption: 130W - Built in power supply[...]

  • Page 2

    Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Yeongtong-Gu, Suwon City, Gyeonggi-Do, Korea, 443-742 Printed in Korea P/N : BN82-00169A-01 URL : http://itself.sec.samsung.co.kr/ -This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.[...]

  • Page 3

    3 Alignments and Adjustments 3-1 3-1 R equired Equipment The following equipment is necessary for adjusting the monitor:  Computer with Windows 95, Windows 98, or Windows NT.  MTI-2055 DDC MANAGER JIG 3-2 DDC EDID Data Input 1. Input DDC EDID data when replacing AD PCB. 2. Receive/Download the proper DDC file for the model from HQ quality con[...]

  • Page 4

    3 Alignments and Adjustments 3-2 3-4 EDID Installation with Dos Progr am 1.Execute "DDC21.exe"± 2.Click "LOAD FILE"± 3.File Name "305T.DDC" 4. Click "WRITE EEPROM"± Confirm the "OK" Sign Error Massage: Check the Signal Cable or Interface Board[...]

  • Page 5

    3 Alignments and Adjustments 3-3 3-5 EDID Installation with Windows Prog ram 1. Execute "WinDDC.exe" 2. Click "Sys Config"± Select "Station : Write station". Check "Serial No and Week : Don't change"± Click "Save"± 3. Click "Open" icon. Select "Connected Port #1" and Next[...]

  • Page 6

    3 Alignments and Adjustments 3-4 Memo[...]

  • Page 7

    7 Block Diagrams 7-1 7 Bloc k Dia gr am 7-1 Block Diagr am (Main)[...]

  • Page 8

    7 Block Diagrams 7-2 7-2 Block Diagr am (SMPS)[...]

  • Page 9

    13 Circuit Descriptions 13-1 13 Cir cuit Descriptions 13-1 BLOCK discription (MAIN)[...]

  • Page 10

    13 Circuit Descriptions 13-2 No BLOCK DESCRIPTION NAME USB2504 SI4435 CONNECTOR-DVI WT61P4 USB_DN USB_UP LVDS CONNECTOR IC-MICROCONTROLLER,PLCC,44P,16Bit IC-USC, USB2504,8Bit,TQFP,64P FET-SILICON, SI4435DY,P,-30V,+-8.0A, 0.014ohm,2.5W,SO-8 CN_DSUB_24_3R_G2, CONNECTOR-DVI, 24P,3R,FEMALE,ANGLE,AUF JACK_USB_08_G4, JACK-USB, 4P/2C,AUF, BLK,ANGLE,A TYPE[...]

  • Page 11

    13 Circuit Descriptions 13-3 13-2 BLOCK discription (SMPS)[...]

  • Page 12

    13 Circuit Descriptions 13-4 No BLOCK DESCRIPTION NAME FP801S PFC Circuit F9222L LX801s Standby power Coil Line filter For continued protection Power Factor Correction (PFC) allows power distribution to operate at its maximum efficiency Multiple-chip power Device Standby power is the power consumed by an appliance during the lowest possible electri[...]

  • Page 13

    11 Disassembly and Reassembly 11-1 11 Disassembl y and R eassembl y This section of the service manual describes the disassembly and reassembly procedures for the 305TLCD monitor. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 11-1 Disassembly Cautions: 1. Disconnect the monitor from [...]

  • Page 14

    11 Disassembly and Reassembly 11-2 Description Picture Description 3. Disconnect cables and remove the inverter power and function cable 4. Remove 1screws from the Shield. 5. Remove 4screws from the Shield between LCD_psanel and Shield 6. Disconnect cables LVDS and Signal from Panel control board[...]

  • Page 15

    11 Disassembly and Reassembly 11-3 Description Picture Description 7. Remove 2screws from DVI input connector 8. Up and down the chassis ass'y 9. Remove 2 screw on the main board 10. Remove 3 screws on the SMPS board[...]

  • Page 16

    11 Disassembly and Reassembly 11-4 11-3 R eassembl y Reassembly procedures are in the reverse order of disassembly procedures. Description Picture Description 11. Disconnect cables LVDS and Signal and Power from Main board[...]

  • Page 17

    6 Electrical Parts List 6-1 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA LS30HUXCB/XSF 305TPLUS,WQA1/S30A0-LHU,30,LCD-MO,CHINA 0.1 M0001 BN90-01014G ASSY COVER FRONT;LS30HUX_305T PLUS 1 S.N.A ..2 T0003 BN96-03652F ASSY COVER P-FRONT;LS30HUX(305T PLUS),,H 1 S.A ...3 M0112 BN63-02663D COVER-FRONT;LS30HUX (305T PLUS),HIPS H[...]

  • Page 18

    6 Electrical Parts List 6-2 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ...3 CN802 3722-001414 JACK-USB;4P/2C,AUF,BLK,ANGLE,A TYPE 1 S.A ...3 T0174 BN97-01026Z ASSY SMD;LS30HUB* 1 S.N.A ....4 SUB05 0202-001477 SOLDER-CREAM;LST309-M,-,D20~45##,96.5Sn/ 1.048 S.N.A ....4 D100 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200[...]

  • Page 19

    6 Electrical Parts List 6-3 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ....4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-0[...]

  • Page 20

    6 Electrical Parts List 6-4 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ....4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 1 S.A ....4 R11[...]

  • Page 21

    6 Electrical Parts List 6-5 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ....4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A ....4 R110 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 1 S.A ....4[...]

  • Page 22

    6 Electrical Parts List 6-6 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ....4 C120 2203-000426 C-CER,CHIP;0.018nF,5%,50V,C0G,1608 1 S.A ....4 C120 2203-000426 C-CER,CHIP;0.018nF,5%,50V,C0G,1608 1 S.A ....4 C120 2203-000426 C-CER,CHIP;0.018nF,5%,50V,C0G,1608 1 S.A ....4 C120 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 1 [...]

  • Page 23

    6 Electrical Parts List 6-7 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ....4 C600 2402-001081 C-AL,SMD;100uF,20%,25V,WT,TP,8.3x8.3x10 1 S.A ....4 C611 2402-001081 C-AL,SMD;100uF,20%,25V,WT,TP,8.3x8.3x10 1 S.A ....4 C614 2402-001081 C-AL,SMD;100uF,20%,25V,WT,TP,8.3x8.3x10 1 S.A ....4 C605 2402-001128 C-AL,SMD;100##F,20%[...]

  • Page 24

    6 Electrical Parts List 6-8 Level Loc. No. Code No. Description & Specification Q'ty SA/SNA ..2 M2893 BN39-00482B LEAD CONNECTOR;HUBBLE,UL2835#28,UL/CSA,1 1 S.A ..2 T0297 BN39-00753A CABLE FORM CONN.COAX-TMDS HARN;HUBBLE,UL 1 S.A ..2 T0159 BN96-03938A ASSY PCB P-SMPS;FreeVoltage SMPS,Hubble3 1 S.A ..2 MP1.0 BN96-04386A ASSY BRACKET P-GUIDE[...]

  • Page 25

    6 Exploded View & Parts List 5-1 5 Exploded View and Par ts List - You can search for updated part codes through ITSELF web site. URL : http://itself. sec. samsung.co.kr 5-1. Exploded View T0003 M0215 M0145 M0014 M0006 T0514 M0002 M0003[...]

  • Page 26

    5 Exploded View & Parts List 5-2 Location Code.No Item & Specification Q'ty SA/SNA Remark T0003 BN96-03652F ASSY COVER P-FRONT;LS30HUX(305T PLUS),,H 1 S.A M0215 BN07-00470A LCD-PANEL;LTM300M1-P02,Hubble,8BIT,677.3 1 S.A M0145 BN96-04050A ASSY BOARD P-FUNCTION;HUBBLE,SJ06-01-013 1 S.A M0014 BN94-01009S ASSY PCB MAIN-SPZ,W/W;LS30HUB* 1 S[...]

  • Page 27

    10 Operating Instructions and Installation 10-1 10 Oper a ting Instr uctions and Installa tion 10-1 Product F eatures 0 o (Standard) Swivle Tilt - Improved Response Time by Adopting RTA : 6 ms (Based on "Gray to Gray") - High contrast ratio & high aperture structure - High speed response - WQXGA (2560 x 1600 pixels) resolution - S-PVA[...]

  • Page 28

    10 Operating Instructions and Installation 10-2 10-3 Installation Instructions DVI IN Connect the DVI-D (Dual link) Cable to the DVI IN port on the back of your monitor. (The configuration at the back of the monitor may vary from product to product.) 1. USB DOWNSTREAM : Connect the USB DOWN port of the USB monitor and a USB device with the USB cabl[...]

  • Page 29

    12 PCB Layout 12-1 12 PCB Diag ram 12-1 PCB Diag ram (Main)[...]

  • Page 30

    12 PCB Layout 12-2 12-2 PCB Diag ram (SMPS)[...]

  • Page 31

    1 Precautions 1-1 1-1-1 War nings 1. For continued safety, do not attempt to modify the circuit board. 2. Disconnect the AC power and DC power jack before servicing. 1-1-2 Ser vicing the LCD Monitor 1. When servicing the LCD Monitor, Disconnect the AC line cord from the AC outlet. 2. It is essential that service technicians have an accurate voltage[...]

  • Page 32

    1 Precautions 1-2 1-2-1 General Ser vicing Precautions 1. Always unplug the unit's AC power cord from the AC power source and disconnect the DC Power Jack before attempting to: (a) remove or reinstall any component or assembly, (b) disconnect PCB plugs or connectors, (c) connect a test component in parallel with an electrolytic capacitor. 2. S[...]

  • Page 33

    1 Precautions 1-3 1. For safety reasons, more than two people are required for carrying the product. 2. Keep the power cord away from any heat emitting devices, as a melted covering may cause fire or electric shock. 3. Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal temperature may cause[...]

  • Page 34

    Memo 1 Precautions 1-4[...]

  • Page 35

    2 Product Specifications 2-1 2 Pr oduct Specifica tions 2-1 F ashion F eature -. Improved Response Time by Adopting RTA: 6ms (Based on "Gray to Gray") -. High contrast ratio & high aperture structure -. High speed response -. WQXGA (2560 x 1600 pixels) resolution -. S-PVA (Super Patterned Vertical Alignment) mode -. Direct BLU Structu[...]

  • Page 36

    2 Product Specifications 2-2 LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 30-Inch viewable, 0.2505 (H) x 0.2505 (V) mm pixel pitch Scanning Frequency Horizontal : 98.7kHz Vertical : 60Hz Display Colors 16.7 Million colors Maximum Resolution Horizontal : 2560 Pixels Vertical : 1600 Pixels Input Video Signal ± Input Syn[...]

  • Page 37

    2 Product Specifications 2-3 2-4 Spec Comparison to the Old Models Model Design 6ms (Gray to Gray) The IC for the enhancement of the response time is applied. X X LHU30BS(305T PLUS) Repones Time Magic pivot Magic color Magic zone Magic tune Main PBA SMPS PBA 8ms (Gray to Gray) The IC for the enhancement of the response time is applied. AUTO(Pivot p[...]

  • Page 38

    2 Product Specifications 2-4 2-5 Option Specification Item Item Name CODE.NO Remark Quick Setup Guide BN68-00847B BH75-00146B BN59-00565A 3903-000082 Warranty Card (Not available in all locations) User's manual, Monitor Driver Power Cord BN39-00754A DVI Cable[...]

  • Page 39

    -TFT-LCD (Thin film Transistor Liquid Crystal Display) ADC(Analog to Digital Converter) This is a circuit that converts from analog signal to digital signals. -PLL(Phase Locked Loop) During progressing ADC, Device makes clock syn- chronizing HSYNC with Video clock -Inverter Device that supply Power to LCD panel lamp. this device gernerate about 1,5[...]

  • Page 40

    14 Reference Infomation 14-2 -Dot Pitch The image on a monitor is composed of red, green and blue dots. The closer the dots, the higher the resolution. The distance between two dots of the same color is called the 'Dot Pitch'. Unit: mm -Vertical Frequency The screen must be redrawn several times per second in order to create and display a[...]

  • Page 41

    14 Reference Infomation 14-3 14-2 Connecting Y our Monitor 1. Connect the power cord for your monitor to the POWER port on the back of the monitor. Plug the power cord for the monitor into a nearby outlet. 2. Using the DVI-D (Digital) connector on the video card. Connect the DVI-D cable to the DVI-D port on the back of your monitor. 3. Turn on your[...]

  • Page 42

    14 Reference Infomation 14-4 14-3 Pin Assignments Data Rx3+ +5V_M +5V_M GND Hot plug D Rx0- Rx0+ GND Data Rx5- Data Rx5+ GND RxC+ RxC- 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 Rx2- Rx2+ GND Data Rx4- Data Rx4+ DDC Clock (SCL) DDC Data (SDA) NC Rx1- Rx1+ NC Data Rx3- Sync Type Pin No. 24P DVI-D[...]

  • Page 43

    14 Reference Infomation 14-5 Separate Sync <Separate Sync Only> 14-4 Timing Char t C D A O E B P Video Sync Sync Video Q R S A : Line time total B : Horizontal sync width O : Frame time total P : Vertical sync width C : Back porch D : Active time Q : Back porch R : Active time E : Front porch S : Front porch H/V Composite Sync Sync-on-Green T[...]

  • Page 44

    14 Reference Infomation 14-6 Horizontal Frequency The time to scan one line connecting the right edge to the left edge of the screen horizontally is called Horizontal Cycle and the inverse number of the Horizontal Cycle is called Horizontal Frequency. Unit: kHz Vertical Frequency Like a fluorescent lamp, the screen has to repeat the same image many[...]

  • Page 45

    14 Reference Infomation 14-7 SEC LT140X1-002 BN07-00004A SA BN68-00239H - SEC LT150XS-L01 BN07-00009A SB - SEC LT150XS-L01-B BN07-00022A SC - SEC LTM150XS-L02 BN07-00005A SD - SEC LT181E2-132 BN07-00001A SE - SEC LT150XS-T01 BN07-00010A SF - SEC LTM181E3-132 BN07-00019A SG - SEC LT170E2-131 BN07-10001D SH - SEC LT181E2-131 BN07-10001E SJ - SEC LTM1[...]

  • Page 46

    14 Reference Infomation 14-8 SEC LTM213U4-L01 BN07-00124A E5 NARROW BEZEL 21 " PANEL SEC LTM170E6-L04 BN07-00129A E6 HIGHLAND 17" LOW PANEL (Panel only for TCO03) SEC LTM190E1-L01 BN07-00088A E7 LTM190E1-L01 ZPD panel SEC M150X4-L06 BN07-00137A E8 15" Narrow & Slim panel SEC LTA170V1 BN07-00139A E9 17" Panel for Muse 4:3 VGA[...]

  • Page 47

    14 Reference Infomation 14-9 SEC LTA320W2-L11 BN07-00259A SPZ IP Board for AMLCD 32" 16:9 NEW Panel SEC LTA460WS-L02 BN07-00252A SPZ AMLCD 46" 16:9 SPVA 72% NEW Panel SEC LTA400WT-L01 BN07-00264A SPZ - SEC LTM240M2-L02 BN07-00267A SPZ All LCD Monitor 24" wide SPVA ZPD NEW code derivation SEC LTM210M2-L02 BN07-00230A SPZ - SEC LTA320W[...]

  • Page 48

    14 Reference Infomation 14-10 TORISAN TM290WX-71N31 BN07-00063A RE RS24NS (TORISAN 29" NEW PANEL) TORISAN TM396WX-71N31 BN07-00064A RF RS24NS (TORISAN 40" NEW PANEL) TORISAN TM150XG-26L09 BN07-00073A RG Panel for 15" TV TORISAN TM150XG-26L10 BN07-00089A RH L10(change except D/IC) ZPD TORISAN TM150XG-26L10 BN07-00090A RJ L10 NORMAL TO[...]

  • Page 49

    14 Reference Infomation 14-11 ACER M170EG01 BN07-00192B ATZ AU TN PSWG type New Panel ZPD Derivation code ACER M190EN04 BN07-00203A ATH AU Monitor 19" ZPD New code Derivation ACER T260XW02 BN07-00208A AMZ AUO 26" ACER M170EG01 V8 BN07-00221A ATZ AU TN PSWG type New Panel (8msec) ZPD Derivation code ACER T260XW02 BN07-00233A AMZ AUO 26&quo[...]

  • Page 50

    14 Reference Infomation 14-12 Memo[...]

  • Page 51

    4 Troubleshooting 4-1 4 T roubleshooting 4-1 No P o wer (SMPS) Stand by LED On? Check related circuit with IC801S Vcc and Drain-Source Waveform (DSW) Plug in the Power Cable Yes No Aroind 20V at 2pin on Check the Vcc Circuit from DS803 Yes No Check DSW at ICM801S Change ICM801S and check the related circuit No Yes Around 380V on CP803 Check the rel[...]

  • Page 52

    4 Troubleshooting 4-2 WA VEFORMS 2 3 4 1[...]

  • Page 53

    4 Troubleshooting 4-3 4-2 No P o wer (Main) Does proper DC 6V appear at Pin 1 of CN601? Check the FP801S at SMPS board and related circuit Check Function ass'y. Yes No When Pin 1 of IC601 is DC 6V does proper DC 3.3V appear at Pin 3 of IC601? Check IC601 and related circuit. Yes No X-200 oscillate Properly? (Where pin 9 of IC200) Check X200, I[...]

  • Page 54

    4 Troubleshooting 4-4 X200 oscillate properly? 4-3 No Video (DIGIT AL) 1 Replace or check related circuit. Check signal cable connection and power. Yes No Is there input data at R122, R124, R127, R128, R129 and R130? Check input part. Yes No Is there wave from Does the output signal appear at Pin 2, 3 of CN401? Check LCD Panel and related circuit. [...]

  • Page 55

    4 Troubleshooting 4-5 1 WA VEFORMS 2 3 5 4 6 7 8 9 10[...]

  • Page 56

    4 Troubleshooting 4-6 Memo[...]

  • Page 57

    8 Wiring Diagram 8-1 8 Wiring Diagram 8 W iring Diag ram 8-1 W iring Diag ram (Main PCB)[...]

  • Page 58

    8 Wiring Diagram 8-2 8-2 W iring Diag ram (SMPS PCB)[...]

  • Page 59

    11 Schematic Diagrams 9-1 9 Schema tic Dia gr ams - This Document can not be used without Samsungs authorization. 9-1 Schema tic Diag rams[...]

  • Page 60

    11 Schematic Diagrams 9-2 9-2 Connection Diag rams[...]

  • Page 61

    11 Schematic Diagrams 9-3 9-3 Micom Diag rams[...]

  • Page 62

    11 Schematic Diagrams 9-4 9-4 P ower in ver ter Schematic Diagr ams[...]

  • Page 63

    11 Schematic Diagrams 9-5 1 WA VEFORMS 2 3 5 4 6 7 8 9 10[...]

  • Page 64

    11 Schematic Diagrams 9-6 9-5 SMPS Schema tic Diag rams[...]

  • Page 65

    11 Schematic Diagrams 9-7 9-6 SMPS Schema tic Diag rams[...]

  • Page 66

    11 Schematic Diagrams 9-8 WA VEFORMS 2 3 4 1[...]