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Samsung GH17LS manual

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Table of contents for the manual

  • Page 1

    TFT -LCD MONITOR GH17LS GH17ES Manual SER VICE TFT -LCD MONITOR CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly & Reassembly 4. Alignments & Adjustments 5. T roubleshooting 6. Exploded View & Parts List 7. Electrical Parts List 8. Block Diagram 9. Wiring Diagram 10. Schematic Diagrams 11. Panel Description[...]

  • 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

    ii GH17LS/GH17ES Copyright © 2001 by Samsung Electronics Co., Ltd. All rights reserved. This manual may not, in whole or in part, be copied, photocopied, reproduced, translated, or converted to any electronic or machine readable form without prior written permission of Samsung Electronics Co., Ltd. GH17LS/GH17ES Service Manual First edition July 2[...]

  • Page 4

    GH17LS/GH17ES 1-1 1-1-1 Warnings 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 Servicing 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 m[...]

  • Page 5

    1-2-1 General Servicing 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. Some components are rai[...]

  • Page 6

    2 Product Specifications 2-1 Specifications LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 17-Inch viewable, 0.264 (H) x 0.264 (V) mm pixel pitch Scanning Frequency Horizontal : 30 kHz ~ 81 kHz (Automatic) Vertical : 56 Hz ~ 85 Hz (~XGA), 76 Hz (SXGA); GH17ES Vertical : 56 Hz ~ 76 Hz; GH17LS Display Colors 16,7 Million c[...]

  • Page 7

    2 Product Specifications 2-2 GH17LS/GH17ES 2-2 Pin Assignments Sync Type Pin No. 15-Pin D-Sub Signal Cable Connector Separate Composite 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Red Green Blue GND DDC Return (GND) GND-R GND-G GND-B DDC Power Input (+5V) Self Raster GND Bi-Dr Data (SDA) H-Sync. V-Sync. DDC Clock (SCL) Red Green Blue GND DDC Return (GND) G[...]

  • Page 8

    2 Product Specifications GH17LS/GH17ES 2-3 QR S P O Video Sync Sync Horizontal Vertical CD E P O B A Video Sync Sync Separate Sync 2-3 T iming Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. C D A O E B P Video Sync Sync Video Q R S A : Line time t[...]

  • Page 9

    2 Product Specifications 2-4 GH17LS/GH17ES Memo[...]

  • Page 10

    3-1-1 Removing the Stand 1. With a pad beneath it, stand the monitor on its front with the screen facing downward and the base close to you. Make sure nothing will damage the screen. 2. Remove the 4 screws on the Stand. Caution: Be careful. The signal cable and power cable are still attached to the monitor. 3. Disconnect the Signal Cable and Power [...]

  • Page 11

    3 Disassembly and Reassembly 3-2 GH17LS/GH17ES 3-2 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures.[...]

  • Page 12

    4-1 Required Equipment The following equipment is necessary for adjusting the monitor: • Computer with Windows 95 , Windows 98 , or Windows NT . • RS232 JIG. 4-2 RS232 Jig Setup 1. Install Hyper Terminal program from windows system. 2. Configure Baud rate to 19200, select appropriate COM port. 3. Make the Hardware setup as per figure shown. 4. [...]

  • Page 13

    Memo 4 Alignments and Adjustments 4-2 GH17LS/GH17ES[...]

  • Page 14

    GH17LS/GH17ES 5-1 5 T roubleshooting Notes: 1. Before troubleshooting, setup the PC’s display as below. • Resolution: 1280 x 1024 • H-frequency: 64 kHz • V-frequency: 60 Hz 2. If no picture appears, make sure the power cord is correctly connected. 3. If you push and hold the EXIT button for more than 5 seconds, the monitor automatically tur[...]

  • Page 15

    5 Troubleshooting 5-2 GH17LS/GH17ES 5-1-2 No Power When Pin 6 of CN105 is around 2V, does proper DC 8V, 3V appear at Pin 1 and 7 of CN105 seperately? Change power Adaptor. Yes Yes No Push Power button. Does proper 0V at Pin 6 of CN105? Check function PCB Assy and related circuit. Yes No Does proper DC 3.3 V appear at Pin 3 of IC112? Check IC112 and[...]

  • Page 16

    There sync. and data output are R260, R261, R211, R213, and RA201 ~ RA212? 5 Troubleshooting GH17LS/GH17ES 5-3 5-2 No Video Check signal cable connection and power. Check IC102 and related circuit. Yes No There proper signal input are Pin 66, 65, 64, and 11 of IC102? Yes Check the LVDS_EN at R118 is high or not. Normal state is high. Does the outpu[...]

  • Page 17

    5 Troubleshooting 5-4 GH17LS/GH17ES WA VEFORMS 1 3 5 7 2 4 6[...]

  • Page 18

    GH17LS/GH17ES 6-1 6 Exploded V iew and Parts List 6-1 GH17LS[...]

  • Page 19

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

  • Page 20

    CIS 0201-001223 ADHESIVE-TS HT-130S,RED,700+/- 50,- SNA CIS 0202-001044 SOLDER-WIRE. S63S-W3.0,S63S,D3,63Sn/37Pb,- SNA CIS 0202-001046 SOLDER-WIRE FLUX CF-110VH-2A,-,-,-,- SNA CIS 0202-001162 SOLDER-CREAM RMA-20-21L,S63,-,SN63/PB36.6/AG0.4,FLUX9.5% SNA CIS 0202-001172 SOLDER-WIRE FLUX RS-107,RS60,D1.2,SN60/PB40,- SNA CIS 0204-001095 THINNER #4520,-[...]

  • Page 21

    C136 2203-000626 C-CERAMIC,CHIP 0.022nF,5%,50V,NP0,TP,1608 C143 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C144 2402-001044 C-AL,SMD 100uF,20%,25V,-,TP,8.3x8.3x6.3 C145 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C146 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C147 2203-000257 C-CERAMIC,CHIP 10nF,10%,50V,X7R,TP,1608 C148[...]

  • Page 22

    C213 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C214 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C216 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C218 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C219 2203-005005 C-CERAMIC,CHIP 100nF,10%,16V,X7R,TP,1608 C220 2402-000176 C-AL,SMD 10uF,20%,16V,GP,TP,4.3x4.3x5.4 C221 2[...]

  • Page 23

    CN103 3711-002050 CONNECTOR-HEADER BOX,10P,1R,1.25mm,SMD-A,SN SNA CN104 3711-000556 CONNECTOR-HEADER BOX,12P,1R,1.25mm,SMD-A,SN SNA CN107 3711-002049 CONNECTOR-HEADER BOX,6P,1R,1.25mm,SMD-A,SN SNA D101 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D102 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D103 0401-001056 DIODE-SW[...]

  • Page 24

    Q110 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270 Q111 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270 Q201 0501-002080 TR-SMALL SIGNAL 2SC2412K,NPN,200mW,SC-59,TP,120-270 R101 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R102 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R103 2007-000309 R-CHIP 10ohm,5%,1/16W,[...]

  • Page 25

    R149 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R150 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R151 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R152 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R153 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R154 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R155 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP[...]

  • Page 26

    R219 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R220 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R221 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R222 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R223 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R224 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R225 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608[...]

  • Page 27

    R278 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R279 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R297 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R298 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R299 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R307 2007-000076 R-CHIP 330ohm,5%,1/16W,DA,TP,1608 R309 2007-001002 R-CHIP 510ohm,5%,1/16W,DA,T[...]

  • Page 28

    7 Electrical Parts List GH17LS/GH17ES 7-9 CIS BN39-00114A CBF-SIGNAL NL150MO,15P/15P,2990,1830MM,UL2990,IVORY,D-SUB CIS BN44-00029A INVERTER SIC1801,4LAMP,SIC1801,18.1,14V DC,160x45x17 CIS 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/C[...]

  • Page 29

    7 Electrical Parts List 7-10 GH17LS/GH17ES Memo[...]

  • Page 30

    GH17LS/GH17ES 8-1 8 Block Diagram ANALOG PC Scaller + ADC LCD Panel I/F CLOCK MCU Setup Data & User I/F User Key Jag - ASM Back Light Control Power Sequence Control[...]

  • Page 31

    8 Block Diagrams 8-2 GH17LS/GH17ES Memo[...]

  • Page 32

    GH17LS/GH17ES 9-1 9 Wiring Diagram[...]

  • Page 33

    Memo 9 Wiring Diagram 9-2 GH17LS/GH17ES[...]

  • Page 34

    GH17LS/GH17ES 10-1 10 Schematic Diagrams 10-1 Main Part Schematic Diagram RxO0- RxO0+ RxO1- RxO1+ RxO2- RxO2+ GND RxOC- RxOC+ RxO3- RxO3+ RxE0- RxE0+ GND RxE1- RxE1+ GND RxE2- RxE2+ RxEC- RxEC+ RxE3- GND RxE3+ NC NC NC 5V 5V 5V 12V_BL H:WHITE L:BLACK BASIC TOUCH SCREEN H:NORMAL L:DPMS R258 10K 10K R257 +5V 1 R256 10K TP137 1 TP138 1 TP139 560 R270 [...]

  • Page 35

    10 Schematic Diagrams 10-2 GH17LS/GH17ES 1 7[...]

  • Page 36

    10 Schematic Diagrams GH17LS/GH17ES 10-3 10-2 Main Part Schematic Diagram 1 10K +5V TP168 10K R347 R348 FT205 A 1 B 2 6.3V 120uF C272 L201 3.3UH R224 0 3.3VJF 22 R255 1 A 2 B 100nF C267 R243 22 FT203 X201 GND 2 NC 1 OUT 3 VDC 4 100 R254 R278 10K 10K R279 0 R253 10K 0 R274 R273 R275 0 0 0 R276 N4 Y4 VSSC8 A22 VSSP1 D22 VSSP2 XIN A6 XOUT A7 XVDD D7 X[...]

  • Page 37

    10 Schematic Diagrams 10-4 GH17LS/GH17ES 2 5 3 6 4[...]

  • Page 38

    SEC L T140X1-002 SA SEC L T150XS-L01 SB L01 SEC L T150XS-L01-B SC L01-B SEC L TM150XS-L02 SD L02 SEC L T181E2-132 SE E2(18.1)-132 SEC L T150XS-T01 SF T01 SEC L TM181E3-132 SG E3(18.1) SEC L T170E2-131 SH E2 SEC L T181E2-131 SJ E2-131 SEC L TM170E4-L01 SK E4 SEC L TM240W1-L01 SL L01 SEC L TM213U3-L01 SM L01 TOSHIBA L TM15C419 T A 419 TOSHIBA L TM15C[...]

  • Page 39

    11 Panel Description 11-2 GH17LS/GH17ES Memo[...]