Gebruiksaanwijzing /service van het product GH17LS van de fabrikant Samsung
Ga naar pagina of 39
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.
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.
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.
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.
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 Product Specifications 2-1 Specifications LCD Panel TFT-LCD panel, RGB vertical stripe, normally black transmissive, 17-Inch viewable, 0.264 (H) x 0.
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.
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.
2 Product Specifications 2-4 GH17LS/GH17ES Memo.
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 Disassembly and Reassembly 3-2 GH17LS/GH17ES 3-2 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures..
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.
Memo 4 Alignments and Adjustments 4-2 GH17LS/GH17ES.
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.
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.
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.
5 Troubleshooting 5-4 GH17LS/GH17ES WA VEFORMS 1 3 5 7 2 4 6.
GH17LS/GH17ES 6-1 6 Exploded V iew and Parts List 6-1 GH17LS.
6 Exploded View & Parts List 6-2 GH17LS/GH17ES 6-2 GH17ES.
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.
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.
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.
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.
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.
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,16.
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,160.
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,1.
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.
7 Electrical Parts List 7-10 GH17LS/GH17ES Memo.
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.
8 Block Diagrams 8-2 GH17LS/GH17ES Memo.
GH17LS/GH17ES 9-1 9 Wiring Diagram.
Memo 9 Wiring Diagram 9-2 GH17LS/GH17ES.
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- .
10 Schematic Diagrams 10-2 GH17LS/GH17ES 1 7.
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.
10 Schematic Diagrams 10-4 GH17LS/GH17ES 2 5 3 6 4.
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.
11 Panel Description 11-2 GH17LS/GH17ES Memo.
Een belangrijk punt na aankoop van elk apparaat Samsung GH17LS (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Samsung GH17LS heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Samsung GH17LS vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Samsung GH17LS leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Samsung GH17LS krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Samsung GH17LS bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Samsung GH17LS kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Samsung GH17LS . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.