Samsung GH17LS Service Manual
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Samsung GH17LS Service Manual

Tft-lcd monitor
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SERVICE
TFT-LCD MONITOR
TFT-LCD MONITOR
GH17LS
GH17ES
Manual
CONTENTS

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Summary of Contents for Samsung GH17LS

  • Page 1: Table Of Contents

    TFT-LCD MONITOR GH17LS GH17ES SERVICE Manual TFT-LCD MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignments & Adjustments 5. Troubleshooting 6. Exploded View & Parts List 7. Electrical Parts List 8. Block Diagram 9. Wiring Diagram 10.
  • Page 2 Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea. Printed in Korea P/N : BN68-00225C-00 http://www.samsungmonitor.com (SyncMaster Worldwide) http://www.samsung-monitor.com (SyncMaster USA) http://www.sec.co.kr/monitor (Korea)
  • Page 3 Copyright Trademarks © 2001 by Samsung Electronics Co., Ltd. Samsung is the registered trademark of Samsung Electronics Co., Ltd. All rights reserved. GH17LS/GH17ES and MacMaster Cable Adapter This manual may not, in whole or in part, be are trademarks of Samsung Electronics Co., Ltd.

  • Page 4: Precautions

    A substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock, fire and / or other hazards. Product safety is under review continuously and new instructions are issued whenever appropriate. GH17LS/GH17ES...

  • Page 5: 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. GH17LS/GH17ES...

  • Page 6: Product Specifications

    Humidity : 10 % ~ 80 % Storage Temperature : -68°F ~ 113°F (-20°C ~ 45°C) Humidity : 5 % ~ 95 % • GH17LS/GH17ES comply with SWEDAC (MPRII) recommendations for reduced electromagnetic fields. • Designs and specifications are subject to change without prior notice. GH17LS/GH17ES...

  • Page 7: Pin Assignments

    DDC Power Input (+5V) DDC Power Input (+5V) Self Raster Self Raster Self Raster Bi-Dr Data (SDA) Bi-Dr Data (SDA) Bi-Dr Data (SDA) H-Sync. H/V-Sync. Not Used V-Sync. Not Used Not Used DDC Clock (SCL) DDC Clock (SCL) DDC Clock (SCL) GH17LS/GH17ES...

  • Page 8: Timing Chart

    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 GH17LS/GH17ES...
  • Page 9 2 Product Specifications Memo GH17LS/GH17ES...

  • Page 10: Disassembly & Reassembly

    3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the GH17LS/GH17ES TFT-LCD 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 11 3 Disassembly and Reassembly 3-2 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures. GH17LS/GH17ES...

  • Page 12: Alignments & Adjustments

    5. Power on the board, now you see messages in the application window. If no messages than check for 1, 2 and 3 again. Message : Gogh 17*** fw. copyright (c) 2000, 2001 Sage. Date : ****. **. **. Chip ID : b1. Panel : Samsung 17 SXGA. GH17LS/GH17ES...
  • Page 13 4 Alignments and Adjustments Memo GH17LS/GH17ES...

  • Page 14: Troubleshooting

    Does proper DC 3.3 V appear at Check IC112 and related circuit. Pin 3 of IC112? Does proper DC 2.5 V appear at Check IC116, IC117 Pin 2 of IC116 and IC117? and related circuit. ❇ 0V means power on state. GH17LS/GH17ES...

  • Page 15: No Power

    Does proper DC 3.3 V appear at Check IC112 and related circuit. Pin 3 of IC112? Does proper DC 2.5 V appear at Check IC116, IC117 Pin 2 of IC116, IC117? and related circuit. ❇❇ 2V means soft power off or DPMS state. GH17LS/GH17ES...

  • Page 16: No Video

    There are DC 5V at Pin 1, 2 and 3 of CN102? and related circuit. There are DC 12V, DC5V and DC 3.3V at Please check the Inverter and related circuit. Pin 10, 11, 12 ; Pin 7 and Pin 4 of CN104? GH17LS/GH17ES...
  • Page 17 5 Troubleshooting WAVEFORMS GH17LS/GH17ES...
  • Page 18 6 Exploded View and Parts List 6-1 GH17LS GH17LS/GH17ES...

  • Page 19: Exploded View & Parts List

    6 Exploded View & Parts List 6-2 GH17ES GH17LS/GH17ES...

  • Page 20: Electrical Parts List

    SOLDER-WIRE FLUX CF-110VH-2A,-,-,-,- 0202-001162 SOLDER-CREAM RMA-20-21L,S63,-,SN63/PB36.6/AG0.4,FLUX9.5% 0202-001172 SOLDER-WIRE FLUX RS-107,RS60,D1.2,SN60/PB40,- 0204-001095 THINNER #4520,-,-,- BN44-00054A ADAPTOR DPA34L,170S,100-240VAC,47-63HZ,12V/5V,2A/2A,-,34W,AC-DC,-10~+40C,-,- BN72-00209A SUPPORT-POWER GH15LS,ABS+PC,GR37,-,5V,-,-,- BN75-00177A UNIT-SHIELD/DSUB GH17LS,-,SPTE T0.5,-,-,-,- BN46-00008H MICOM-S/W,GOGH GH17LS,-,-,-,-,-,- CN101 3701-001219 CONNECTOR-DSUB 15P,3R,FEMALE,ANGLE,AUF CN105 3711-004853 CONNECTOR-HEADER BOX,7P,1R,2MM,ANGLE,SN,WHT CN106 3711-000056 CONNECTOR-HEADER BOX,2P,1R,2.5mm,ANGLE,SN CN108 3711-001465 CONNECTOR-HEADER NOWALL,3P,1R,2.54mm,STRAIGHT,A...
  • Page 21 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C194 2402-000179 C-AL,SMD 47uF,20%,16V,GP,TP,6.6x6.6x5.4 C201 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C202 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C207 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C208 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C209 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C210 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C211 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C212 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 GH17LS/GH17ES...
  • Page 22 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C264 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C265 2402-001006 C-AL,SMD 4.7uF,20%,25V,GP,TP,3.6x6.3x3. C267 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C268 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C269 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C270 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C271 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C272 2409-001029 C-ORGANIC 120uF,20%,6.3V,WT,TP,10.3x10.3x10.3mm,9 CN102 3711-004070 CONNECTOR-HEADER BOX,30P,1R,1.25mm,SMD-A,SN GH17LS/GH17ES...
  • Page 23 JAGASM,BGA,388P,208MIL,PALATIC,3.45V,2.5W,-40TO+125C,TR,DIGITAL DISPLAY PRO. L201 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L206 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM L207 2703-001778 INDUCTOR-SMD 3.3UH,20%,3.2X2.5X2.2MM MP1.0 BN41-00089A PCB MAIN GH17LS,FR4,4L,1.0,1.6,120X110,GH17LS,-,-,- Q101 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270 Q103 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270 Q105 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270 Q106 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270...
  • Page 24 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 R140 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 R141 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 R142 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 R143 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 R144 2007-000072 R-CHIP 47ohm,5%,1/16W,DA,TP,1608 R145 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R146 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R147 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R148 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 GH17LS/GH17ES...
  • Page 25 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R204 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R208 2007-000075 R-CHIP 220ohm,5%,1/16W,DA,TP,1608 R211 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R212 2007-000071 R-CHIP 22ohm,5%,1/16W,DA,TP,1608 R213 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R214 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R215 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R216 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R217 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 GH17LS/GH17ES...
  • Page 26 2007-000077 R-CHIP 470ohm,5%,1/16W,DA,TP,1608 R267 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R268 2007-001167 R-CHIP 75ohm,5%,1/16W,DA,TP,1608 R269 2007-000102 R-CHIP 100Kohm,5%,1/16W,DA,TP,1608 R270 2007-000119 R-CHIP 560ohm,5%,1/16W,DA,TP,1608 R273 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R274 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R275 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R276 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R277 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 GH17LS/GH17ES...
  • Page 27 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP RA214 2011-000002 R-NETWORK 22ohm,5%,63mW,L,CHIP,8P,TP X101 2801-003667 CRYSTAL-SMD 14.3182MHZ,50PPM,28-AAN,16,50OHM,TP X201 2804-001474 OSCILLATOR-CLOCK 14.31818MHZ,100PPM,30PF,TP,3.3V,15MA ZD101 0403-000579 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 ZD102 0403-000579 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 ZD103 0403-000579 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 ZD104 0403-000579 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 ZD105 0403-000579 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 ZD106 0403-000579 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 GH17LS/GH17ES...
  • Page 28 7 Electrical Parts List 7-2 Others Loc. No. Code No. Description Specification Remarks BN39-00114A CBF-SIGNAL NL150MO,15P/15P,2990,1830MM,UL2990,IVORY,D-SUB BN44-00029A INVERTER SIC1801,4LAMP,SIC1801,18.1,14V DC,160x45x17 BN41-00045A PCB MAIN CEZANNE-II,FR-4 ,4,-,1.6T,117.0*172.4*1.6,CN,-,-,-,CN17MS,-,-,-,1.6+,223x118.9,-,-,-,- CN301+PAN BN39-00102A CBF-HARNESS CN17MSS,UL1571,UL/CSA,30P,90MM,BLU/WHT,AWG30,DF14-30S-1.25C,F1-X30H,-,-,-,-,-,- CN302+INV BN39-00002A CBF-HARNESS -,60,BLU/WHT,-,26,- GH17LS/GH17ES...
  • Page 29 7 Electrical Parts List Memo 7-10 GH17LS/GH17ES...

  • Page 30: Block Diagram

    8 Block Diagram GH17LS/GH17ES...
  • Page 31 8 Block Diagrams Memo GH17LS/GH17ES...

  • Page 32: Wiring Diagram

    9 Wiring Diagram GH17LS/GH17ES...
  • Page 33 9 Wiring Diagram Memo GH17LS/GH17ES...

  • Page 34: Main Part Schematic Diagram

    14 15 1617 18 19 MCAD(6) MCAD(5) MCAD(4) MCAD(3) MCAD(2) CN106 CN108 MCAD(1) TP123 CPU+5V H:NORMAL slcon2p slcon3p MCAD(0) IC118 SI9933ADY-T1 TP124 L:DPMS R170 CPU+5V D1_1 CTRL R269 D2_1 100K Q103 2SC2412K-Q C146 C145 100nF 100nF CTRL R201 Q108 2SC2412K-Q GH17LS/GH17ES 10-1...
  • Page 35 10 Schematic Diagrams 10-2 GH17LS/GH17ES...
  • Page 36 AF22 R215 BL_ON ENBKL R237 C268 C269 C221 10uF 100nF AC20 VDDC0 10uF 3.3VJF AC14 VDDC1 VDDC2 3.3VJP AF21 VDD0 AF16 VDD1 C270 AF10 VDD2 100nF R347 R348 R219 R267 R254 3.3VJF 2.5VJF R255 R220 3.3VJF MCAD(0:7) MCA(8:15) GH17LS/GH17ES 10-3...
  • Page 37 10 Schematic Diagrams 10-4 GH17LS/GH17ES...

  • Page 38: Panel Description

    Description LT140X1-002 LT150XS-L01 LT150XS-L01-B L01-B LTM150XS-L02 LT181E2-132 E2(18.1)-132 LT150XS-T01 LTM181E3-132 E3(18.1) LT170E2-131 LT181E2-131 E2-131 LTM170E4-L01 LTM240W1-L01 LTM213U3-L01 TOSHIBA LTM15C419 TOSHIBA LTM15C423 TOSHIBA LTM18C161 HANNSTAR HSD150MX41A TORISAN TM150XG-22L03 SHARP LQ181E1DG11 HITACHI TX38D12VC0CAA ITSX94S UNIPAC UM170E01 LTM17ØEH-LØ1 Acer L17Ø E3-1 GH17LS/GH17ES 11-1...
  • Page 39 11 Panel Description Memo 11-2 GH17LS/GH17ES...

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