Manuale d’uso / di manutenzione del prodotto GH17LS del fabbricante Samsung
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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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Samsung GH17LS è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Samsung GH17LS - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Samsung GH17LS imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Samsung GH17LS ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Samsung GH17LS, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Samsung GH17LS.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Samsung GH17LS. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Samsung GH17LS insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
