Related Manuals for Samsung GH15DS
Summary of Contents for Samsung GH15DS
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Page 1: Table Of Contents
TFT-LCD MONITOR GH15DS 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. GH15DS... - Page 3 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. GH15DS...
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Page 4: Product Specifications
Humidity : 10 % ~ 80 % Storage Temperature -3.2°F ~ 140°F (-20°C ~ 60°C) Humidity : 5 % ~ 95 % •GH15DS comply with SWEDAC (MPR II) recommendations for reduced electromagnetic fields. •Designs and specifications are subject to change without prior notice. GH15DS... - Page 5 2 Product Specifications 2-2 DVI Signal Pin Assignments - Main Pin Field (GH15DS) Signal Assignment Signal Assignment Signal Assignment T.M.D.S. Data2- T.M.D.S. Data1- T.M.D.S. Data0- T.M.D.S. Data2+ T.M.D.S. Data1+ T.M.D.S. Data0+ T.M.D.S. Data2 Return T.M.D.S. Data1 Return T.M.D.S. Data0 Return...
- Page 6 2 Product Specifications 2-3 Timing Chart This section of the service manual describes the timing that the computer industry recognizes as standard for computer-generated video signals. 2-3-1. GH15DS Table 2-1. Timing Chart GH15DS...
- Page 7 2 Product Specifications Table 2-2. Timing Chart GH15DS...
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Page 8: Disassembly & Reassembly
3 Disassembly and Reassembly This section of the service manual describes the disassembly and reassembly procedures for the GH15DS monitor. WARNING: This monitor contains electrostatically sensitive devices. Use with caution when handling these components. 3-1 Disassembly Cautions:1. Disconnect the monitor from the power source before disassembly. - Page 9 3 Disassembly and Reassembly 3-2 Replacement Order of Lamp Assemblies (GH15DS : Samsung Panel) 1. After confirm there is nothing on the disk Turn the LCD module over and put it on a flat desk set to the ground. 2. Push down the stopper and slide the lamp unit.
- Page 10 LCD module : opposite process 2 and 3 Replacement of lamp unit should be done at the power off state and recommanded clean bench condition. 3-3 Reassembly Reassembly procedures are in the reverse order of Disassembly procedures. GH15DS...
- Page 11 3 Disassembly and Reassembly Memo GH15DS...
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Page 12: Troubleshooting
• 12V develop but no screen: Main PCB • 12V does not develop: Main PCB 4. If you push and hold the EXIT button for more than 5 seconds, the monitor automatically turns back to the factory preset(GH15DS). 4-1 Power Does proper DC 12 V Check Power Adaptor. - Page 13 D201~D208? Check X301. Check Pin 68 of IC301 and IC102. Do the input signals appear at Check IC301. pin 30, 31, 32 of IC401? Do the output signals appear Check IC401. at pin 40 of IC401? Replace LCD panel. GH15DS...
- Page 14 4 Troubleshooting WAVEFORMS D201 D208 IC401 #30 IC401 #31 IC401 #32 IC401 #40 GH15DS...
- Page 15 4 Troubleshooting Memo GH15DS...
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Page 16: Exploded View & Parts List
5 Exploded View and Parts List GH15DS... - Page 17 5 Exploded View & Parts List Memo GH15DS...
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Page 18: Electrical Parts List
6-1 Main PCB Part Loc. No. Code No. Description Specification Remarks BN44-00053A ADAPTOR DPA30L,150S,100-240VAC,47 - 63 HZ,12VDC/3.3VDC,2A/2A,-,30.6,AC-DC,-10~40C,-,- BN72-00209A SUPPORT-POWER GH15LS,ABS+PC,GR37,-,5V,-,-,- BN75-00176B UNIT-SHIELD/DSUB GH15LS,-,SPTE T0.5,-,-,-,- BN70-00204B SHIELD-D/SUB GH15DS,SPTE,-,T0.5,-,-,- BN71-00024A EARTH-PLATE GH17LS,SUS,T0.15,-,-,- BN46-00008K MICOM-S/W,GOGH GH15DS,-,-,-,-,-,- CN100 3711-004853 CONNECTOR-HEADER BOX,7P,1R,2MM,ANGLE,SN,WHT CN201 3701-001173 CONNECTOR-DSUB 24P,3R,FEMALE,ANGLE,AUF CN601 3711-001465 CONNECTOR-HEADER NOWALL,3P,1R,2.54mm,STRAIGHT,A... - Page 19 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D207 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D208 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D209 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP D210 0401-001056 DIODE-SWITCHING MMBD4148SE,75V,200MA,SOT-23,TP FT301 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,-,100nF,3.2x1.6x1 FT302 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,-,100nF,3.2x1.6x1 FT303 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,-,100nF,3.2x1.6x1 FT402 2901-001114 FILTER-EMI SMD 25VDC,2.0ADC,-,100nF,3.2x1.6x1 GH15DS...
- Page 20 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R112 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R113 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R114 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 R201 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R202 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R203 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R204 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R205 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R300 2007-000070 R-CHIP 0ohm,5%,1/16W,DA,TP,1608 GH15DS...
- Page 21 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R622 2007-000084 R-CHIP 4.7Kohm,5%,1/16W,DA,TP,1608 R623 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R624 2007-000078 R-CHIP 1Kohm,5%,1/16W,DA,TP,1608 R625 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R626 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R627 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R628 2007-000074 R-CHIP 100ohm,5%,1/16W,DA,TP,1608 R629 2007-000090 R-CHIP 10KOHM,5%,1/16W,DA,TP,1608 R630 2007-000102 R-CHIP 100Kohm,5%,1/16W,DA,TP,1608 GH15DS...
- Page 22 DIODE-ZENER BZX84C5V1,5.1V,5%,200mW,SOT-23 6-2 Others Loc. No. Code No. Description & Specification Remarks PANEL BN07-00026A LCD-DISPLAY;LTM150XH-L01,CZB,8BIT,333.6*254.76*12.5 MAIN PCB ASS’Y BN94-00128A ASSY PCB-SN;GH15DS SIGNAL CABLE BN39-00072A CBF SIGNAL;DET,2000MM,24P/24P,IVORY,-,DVI INVERTER HARNESS BN39-00020A CBF-HARNESS;12P/12P,170MM,BLU/YEL/WHT LVDS HARNESS BN39-00183A LEAD CONNECTOR ASSY;UL2835#28,UL/CSA,20P,120MM POWER CORD(115V) BN39-00141A AC POWER CORD;125VAC,10A,1800,IVORY...
- Page 23 6 Electrical Parts List Memo GH15DS...
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Page 24: Block Diagram
7 Block Diagram GH15DS... - Page 25 7 Block Diagrams Memo GH15DS...
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Page 26: Wiring Diagram
8 Wiring Diagram POWER PCB MAIN PCB CN101 CN402 CN100 +12V +12V +12V_INV +12V_INV CN600 +3.3V KEY_A PWR_OFF PWR_OFF LED_R 3.3V 3.3V KEY_B LED_G CN201 GH15DS... - Page 27 8 Wiring Diagram Memo GH15DS...
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Page 28: Schematic Diagrams
TXIN26 L201 10uF 100nF MMBD4148SE TXIN25 GND4 C404 1.5uH CN402 LCD_VCC slcon22p_1 C405 FT407 IC201 R203 R202 SGM32F1E104-2A NM24C02M8 D210 4.7K 4.7K MMBD4148SE 1/16W 1/16W DDEN R401 R204 DCLK R205 R402 R403 LVDS_EN C414 C413 100uF 100nF DVI_DAT DVI_CLK GH15DS... - Page 29 9 Schematic Diagrams D201 D208 IC401 #30 IC401 #31 IC401 #32 IC401 #40 GH15DS...
- Page 30 PA3.3V D3.3V IC102 SI9933ADY-T1 D1_1 C113 R105 100nF 100K D2_1 1/16W Place at distributed position R106 1/16W SPWR_ON Q102 2SC2412K-Q PA3.3V R111 R112 1/16W 1/16W R113 R114 C114 R107 1/16W 1/16W 100nF 100K 1/16W TMDS_ON R108 Q103 2SC2412K-Q 1/16W GH15DS...
- Page 31 9 Schematic Diagrams Memo GH15DS...
- Page 32 Samsung Electronics Co.,Ltd. 416, Maetan-3Dong, Paldal-Gu, Suwon City, Kyungki-Do, Korea. Printed in Korea P/N : BN68-00225E-00 http://www.samsungmonitor.com (SyncMaster Worldwide) http://www.samsung-monitor.com (SyncMaster USA) http://www.sec.co.kr/monitor (Korea)