Samsung GH19P Series Service Manual
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Samsung GH19P Series Service Manual

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SERVICE
TFT-LCD MONITOR
TFT-LCD MONITOR
GH19P*
Manual
1. Precautions
3. Disassembly & Reassembly
5. Exploded View & Parts List
CONFIDENTIAL
CONTENTS

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Summary of Contents for Samsung GH19P Series

  • Page 1 CONFIDENTIAL TFT-LCD MONITOR GH19P* SERVICE Manual TFT-LCD MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Troubleshooting 5. Exploded View & Parts List 6. Electrical Parts List 7. Block Diagram 8. Wiring Diagram 9. Schematic Diagrams 10. Panel Description...

  • Page 2: Precautions

    Institute (ANSI C101.1, Leakage Current for characteristics as the recommended replacement part Appliances), and Underwriters Laboratories (UL might create shock, fire and / or other hazards. Product Publication UL1410, 59.7). safety is under review continuously and new instructions are issued whenever appropriate. GH19P*...

  • Page 3: Product Specifications

    Humidity : 10 % ~ 80 % Storage Temperature : -4°F ~ 113°F (-20°C ~ 45°C) Humidity : 5 % ~ 95 % • GH19P* comply with TCO99 recommendations for reduced electromagnetic fields. • Designs and specifications are subject to change without prior notice. GH19P*...

  • Page 4: Disassembly & Reassembly

    CONFIDENTIAL 3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the GH19P* monitors. WARNING: This monitor contains electrostatically sensitive devices. Use caution when handling these components. 3-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly.

  • Page 5: Troubleshooting

    Pin 3 of IC104? Does proper DC 3.3V appear at Pin 1, 9, 26 of IC401, 402 and 0V Check IC401, IC521 and related circuit. appear at Pin 22 (*DPMS-ON), 36 (*PANEL-EN) of IC521? Check IC521. GH19P*...

  • Page 6: Exploded View & Parts List

    CONFIDENTIAL 5 Exploded View and Parts List GH19P*...

  • Page 7: Electrical Parts List

    2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C310 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C311 2203-001607 C-CERAMIC,CHIP 0.22nF,5%,50V,NP0,TP,1608 C312 2203-001607 C-CERAMIC,CHIP 0.22nF,5%,50V,NP0,TP,1608 C313 2203-001607 C-CERAMIC,CHIP 0.22nF,5%,50V,NP0,TP,1608 C314 2203-001607 C-CERAMIC,CHIP 0.22nF,5%,50V,NP0,TP,1608 C315 2203-001607 C-CERAMIC,CHIP 0.22nF,5%,50V,NP0,TP,1608 C316 2203-001607 C-CERAMIC,CHIP 0.22nF,5%,50V,NP0,TP,1608 C317 2203-001607 C-CERAMIC,CHIP 0.22nF,5%,50V,NP0,TP,1608 C318 2203-001607 C-CERAMIC,CHIP 0.22nF,5%,50V,NP0,TP,1608 GH19P*...

  • Page 8: Block Diagram

    CONFIDENTIAL 7 Block Diagram GH19P*...
  • Page 9 CONFIDENTIAL 8 Wiring Diagram CN402 AC/DC CN403 ADAPTOR MAIN PCB CN202 CN201 CN504A LED_GRN LED_RED D_LED A_LED KEY2 KEY1 GH19P*...

  • Page 10: Schematic Diagrams

    TXIN23 PWRDWN VCC2 TXCLKIN TXIN24 TXIN26 FSADDR(11) FSADDR(9) TXIN25 GND4 FSADDR(10) FSADDR(8) FSADDR(0) FSADDR(7) C649 IC402 FSADDR(1) FSADDR(6) 47pF DS90C385MTD FSADDR(2) FSADDR(5) FSADDR(3) FSADDR(4) C405 C403 C696 C697 VDD1 VSS1 100nF 100nF 220pF 220pF R655 1/16W DGND DGND DGND GH19P*...

  • Page 11: Panel Description

    BN07-00017A BN68-00187V UNIPAC UM170E0 BN07-00028A BN68-00187Z HYUNDAI HT15X13 BN07-00035A BN68-00195F HYUNDAI HT17E11-200 BN07-00049A BN68-00195R TN MODE ACER L170E3 BN07-00044A BN68-00195K TN(ADT) CHIMEI M170E3-LO1 BN07-00050A BN68-00195S TN PANEL CHIMEI M150X3-L01 BN07-00051A BN68-00195T COMPATIBLE CHIMEI M170E4-L01 BN07-00052A BN68-00195U MVA PANEL GH19P* 10-1...
  • Page 12 CONFIDENTIAL Copyright Trademarks © 2001 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. GH19P* and Macmaster Cable Adapter are This manual may not, in whole or in part, be trademarks of Sansung Electronics Co., Ltd.
  • Page 13 CONFIDENTIAL 10 Panel Description Memo 10-2 GH19P*...
  • Page 14 CONFIDENTIAL 9 Schematic Diagrams GH19P*...
  • Page 15 FT121 C513 D210 AGND TP1407 BZX84C5V1 BLM41P600S 100nF AGND D209 TP1119 BZX84C5V1 AGND C620 C135 DGND R218 R219 100uF 100nF 4.7K 4.7K 1/16W 1/16W R705 100 1/16W DDC_CLK R706 100 1/16W DDC_DATA +5V_M INV_GND R231 R230 1/16W SELF_D CHK_DSUB GH19P*...
  • Page 16 CONFIDENTIAL 9 Schematic Diagrams GH19P*...
  • Page 17 FSADDR(13:0) FSADDR I2C 6-WIRE FSADDR(0) FSRAS FSADDR(1) FSCAS FSADDR(2) FSWE FSADDR(3) FSCKE FSADDR(4) FSCLK FSADDR(5) FSDQM3 JP12 FSADDR(6) FSDQM2 JP14 FSADDR(7) FSDQM1 JP15 FSADDR(8) FSDQM0 JP17 FSADDR(9) JP19 FSADDR(10) FSADDR(13:0) JP21 FSADDR(11) JP24 FSADDR(12) JP26 FSADDR(13) JP27 FSDATA(0:47) DGND GH19P*...
  • Page 18 CONFIDENTIAL 9 Schematic Diagrams GH19P*...
  • Page 19 LVDS_3.3 FT417 SGM32F1E104-2A TP1468 C687 C692 C693 C694 C695 C702 C703 C700 C701 C688 C689 C690 C691 C698 C699 C704 C705 22uF 100nF 100nF 100nF 100nF 220pF 220pF 220pF 220pF 100nF 100nF 100nF 100nF 220pF 220pF 220pF 220pF DGND GH19P*...
  • Page 20 CONFIDENTIAL 9 Schematic Diagrams Memo GH19P*...

  • Page 21: Wiring Diagram

    CONFIDENTIAL 8 Wiring Diagram Memo GH19P*...
  • Page 22 CONFIDENTIAL 7 Block Diagrams Memo GH19P*...
  • Page 23 2203-001607 C-CERAMIC,CHIP 0.22nF,5%,50V,NP0,TP,1608 C380 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C381 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C382 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C383 2203-000280 C-CERAMIC,CHIP 0.01nF,0.5pF,50V,NP0,TP,1608 C384 2203-000280 C-CERAMIC,CHIP 0.01nF,0.5pF,50V,NP0,TP,1608 C403 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C405 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C410 2402-001042 C-AL,SMD 100uF,20%,16V,GP,TP,6.6x6.6x5.4mm C416 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 GH19P*...
  • Page 24 2203-000681 C-CERAMIC,CHIP 0.027nF,5%,50V,NP0,TP,1608 C666 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C667 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C668 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C669 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C681 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C682 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C683 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C687 2402-000135 C-AL,SMD 22uF,20%,16V,GP,TP,5.3x5.3x5.4 C688 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 GH19P*...
  • Page 25 FT408 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,-,100nF,3.2x1.6x1 FT412 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,-,100nF,3.2x1.6x1 FT416 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,-,100nF,3.2x1.6x1 FT417 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,-,100nF,3.2x1.6x1 IC101 1203-001448 IC-POSI.FIXED REG. 2596,TO-263,5P,-,PLASTIC,4.750 IC102 1203-001447 IC-POSI.FIXED REG. 2596,TO-263,5P,-,PLASTIC,3.135 IC104 1203-001890 IC-VOLTAGE REGULATOR 3961,SOT223-5,5P,-,PLASTIC,2.5V,-,-40to+125C,800mA,-,TR IC204 1103-000129 IC-EEPROM 24C02,256x8BIT,SOP,8P,150MIL,1 GH19P*...
  • Page 26 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R256 2007-000097 R-CHIP 47Kohm,5%,1/16W,DA,TP,1608 R257 2007-000097 R-CHIP 47Kohm,5%,1/16W,DA,TP,1608 R260 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R261 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R300 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R301 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 R302 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 R303 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 R304 2007-000309 R-CHIP 10ohm,5%,1/16W,DA,TP,1608 GH19P*...
  • Page 27 2007-001114 R-CHIP 680Kohm,5%,1/16W,DA,TP,1608 R698 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 R701 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R702 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R703 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R704 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R705 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R706 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R707 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R708 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 GH19P*...
  • Page 28 2011-000585 R-NETWORK 47ohm,5%,63mW,L,CHIP,8P,TP RA309 2011-000585 R-NETWORK 47ohm,5%,63mW,L,CHIP,8P,TP RA310 2011-000585 R-NETWORK 47ohm,5%,63mW,L,CHIP,8P,TP RA311 2011-000585 R-NETWORK 47ohm,5%,63mW,L,CHIP,8P,TP RA312 2011-000585 R-NETWORK 47ohm,5%,63mW,L,CHIP,8P,TP X301 2801-003326 CRYSTAL-SMD 24MHz,30ppm,28-ABX,16pF,50ohm, X302 2801-003773 CRYSTAL-SMD 12MHZ,30PPM,28-AAN,20PF,50OHM,TP 0403-000579 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 0403-000579 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 BN91-00311D ASSY LCD GH19PS,-,-,- BN07-00057A LTM190E1-L01,GH17LS,1280*1024,404*330*20,16.7M,36,0.098*0.294,0~50,5.0,PVA,- GH19P*...
  • Page 29 CONFIDENTIAL 6 Electrical Parts List Memo GH19P*...
  • Page 30 CONFIDENTIAL 5 Exploded View & Parts List Memo GH19P*...
  • Page 31 (A_H*V_SYNC, A_V_SYNC) During power on-off, does the input signal appear at Pin 14, 15, 17, 18, 20, 21 of IC521? Check IC521 and related circuit. (HCLK,HFS,HDATA(0),HDATA(1),HDATA(2),HDATA(3)) Does the video signal Check IC301 and related circuit. appear at the output port? GH19P*...

  • Page 32: No Video [Digital

    During power on-off, does the input signal appear Check IC521 and related circuit. at Pin 14, 15, 17, 18, 20, 21 of IC521? (HCLK,HFS,HDATA(0),HDATA(1),HDATA(2),HDATA(3)) Does the video signal appear at the output port? Check IC301 and related circuit. WAVEFORMS GH19P*...
  • Page 33 CONFIDENTIAL 4 Troubleshooting GH19P*...
  • Page 34 Front Cover) and tilt up Front Cover until the snap opens. 4. Put the jig into the gap (between the right side of the panel the and Front Cover) and tilt up Front Cover until the snap opens. GH19P*...
  • Page 35 5. Put the jig into the gap (between the right side of the panel the and Front Cover) and tilt up Front Cover until the snap opens. 6. After pushing the right bottom of the panel with jig. 7. Pull up the Rear Cover until it opens fully. GH19P*...
  • Page 36 CONFIDENTIAL 3 Disassembly and Reassembly Memo GH19P*...

  • Page 37: Pin Assignments

    No Connection Hot Plug Detect No Connection T.M.D.S Data0- DDC Clock T.M.D.S Data0+ DDC Data T.M.D.S Data0 Shield No Connection No Connection T.M.D.S Data1- No Connection T.M.D.S Data1+ T.M.D.S Clock Shield T.M.D.S Data1 Shield T.M.D.S Clock+ No Connection T.M.D.S Clock- GH19P*...
  • Page 38 2-3-1 LCD Panel Mode : 1 mode Definition of Terms "Activer"Video Blanking Video Front Back Back Top/Left "Addressable"Video Bottom/Right Sync Porch Border (Addr Time) Border Porch Sync Porch HSync VSync Blank Time Blank Srart Sync Sync Srart Time GH19P*...
  • Page 39 CONFIDENTIAL 2 Product Specifications 2-3-2 Supported Modes (1) GH19P*...
  • Page 40 CONFIDENTIAL 2 Product Specifications 2-3-2 Supported Modes (2) GH19P*...
  • Page 41 CONFIDENTIAL 2 Product Specifications 2-3-2 Supported Modes (3) GH19P*...
  • Page 42 CONFIDENTIAL 2 Product Specifications 2-3-2 Supported Modes (4) GH19P*...
  • Page 43 CONFIDENTIAL 2 Product Specifications Memo GH19P*...

  • Page 44: Servicing Precautions

    Use only an anti-static solder removal device. Some brushing clothes together, or lifting your foot from solder removal devices not classified as “anti-static” a carpeted floor can generate enough static can generate electrical charges sufficient to damage electricity to damage an ESD. ESDs. GH19P*...
  • Page 45 Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea. Printed in Korea P/N : BN81-00026A-00 http://www.samsungmonitor.com (SyncMaster Worldwide) http://www.samsung-monitor.com (SyncMaster USA) http://www.sec.co.kr/monitor (Korea)

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