Samsung GH15DS Service Manual Download Page 5 | Manualshive

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Pin

Signal Assignment

Pin

Signal Assignment

Pin

Signal Assignment

2 Product Specifications

2-2

GH15DS

2-2 DVI Signal Pin Assignments - Main Pin Field (GH15DS)

1

T.M.D.S. Data2-

9

T.M.D.S. Data1-

17

T.M.D.S. Data0-

2

T.M.D.S. Data2+

10

T.M.D.S. Data1+

18

T.M.D.S. Data0+

3

T.M.D.S. Data2 Return

11

T.M.D.S. Data1 Return

19

T.M.D.S. Data0 Return

4

NC

12

NC

20

NC

5

NC

13

NC

21

NC

6

DDC Clock

14

+5V Power

22

T.M.D.S. Clock Return

7

DDC Data

15

Ground (Self-Raster)

23

T.M.D.S. Clock+

8

NC

16

Hot Plug Detect (+5V)

24

T.M.D.S. Clock-

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Summary of Contents for GH15DS

Page 1: ...ICE 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: ...or Appliances and Underwriters Laboratories UL Publication UL1410 59 7 Figure 1 1 Leakage Current Test Circuit 4 With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe conduit etc and all exposed metal parts including metal cabinets sc...

Page 3: ...power switch ON Connect an insulation resistance meter 500 V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 6 Always connect a test instrument s ground lead to the instrument chassis ground before connecting the positive lead always remove the instrument s ground lead last 6 Do not r...

Page 4: ...3W max Switch off 1W max Dimensions Unit W x D x H With Simple Stand 15 4 x 15 1 x 6 8 Inches 391 4 x 383 6 x 173 mm Without Simple stand 15 4 x 11 5 x 2 5 Inches 391 4 x 292 8 x 64 0 mm With Pivot Stand 15 4 x 15 1 x 6 8 Inches 391 4 x 383 6 x 173 mm 15 4 x 17 1 x 6 8 Inches 391 4 x 433 6 x 173 mm Without Pivot Stand 15 4 x 11 5 x 2 5 Inches 391 4 x 292 8 x 64 0 mm Weight Net Gross 4 2 kg 9 3 lbs...

Page 5: ...H15DS 1 T M D S Data2 9 T M D S Data1 17 T M D S Data0 2 T M D S Data2 10 T M D S Data1 18 T M D S Data0 3 T M D S Data2 Return 11 T M D S Data1 Return 19 T M D S Data0 Return 4 NC 12 NC 20 NC 5 NC 13 NC 21 NC 6 DDC Clock 14 5V Power 22 T M D S Clock Return 7 DDC Data 15 Ground Self Raster 23 T M D S Clock 8 NC 16 Hot Plug Detect 5V 24 T M D S Clock ...

Page 6: ...fications GH15DS 2 3 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 Table 2 1 Timing Chart 2 3 1 GH15DS ...

Page 7: ...2 Product Specifications 2 4 GH15DS Table 2 2 Timing Chart ...

Page 8: ...remove Function PCB 3 1 3 Standard Stand Disassembly 1 Remove 2 screws from the Stand front 2 Remove 7 screws from the Stand Bottom 3 Remove Stand Rear from the Stand assembly 4 Remove 5 screws from the Stand assembly 5 Remove the Neck front from the Stand assembly 6 Remove 2 screws from the Stand assembly 7 Remove Neck Rear from the Stand assembly 8 Remove 4 screws from the Stand assembly GH15DS ...

Page 9: ...here is nothing on the disk Turn the LCD module over and put it on a flat desk set to the ground 3 2 Replacement Order of Lamp Assemblies GH15DS Samsung Panel 2 Push down the stopper and slide the lamp unit 3 Please take out the lamp unit from the LCD module ...

Page 10: ...x the new lamp units on the 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 ...

Page 11: ...Memo 3 Disassembly and Reassembly 3 4 GH15DS ...

Page 12: ...IT button for more than 5 seconds the monitor automatically turns back to the factory preset GH15DS 4 1 Power Does proper DC 12 V appear at CN100 Check Power Adaptor Yes No Does proper DC 5 V appear at output Pin of IC100 Check IC100 and related circuit Check IC101 IC102 IC601 IC401 and related circuit Yes No Yes Does proper 3 3 V signals appear at output Pin of IC103 Check IC103 and related circu...

Page 13: ...Check IC301 Check X301 Yes Yes No No Yes Do the input signals appear at D201 D208 No Do the input signals appear at pin 30 31 32 of IC401 1 2 3 4 5 Check Pin 68 of IC301 and IC102 Yes Do the output signals appear at pin 40 of IC401 No Check IC401 Replace LCD panel 6 ...

Page 14: ...4 Troubleshooting GH15DS 4 3 WAVEFORMS 1 3 5 2 4 6 D201 IC401 30 IC401 32 D208 IC401 31 IC401 40 ...

Page 15: ...Memo 4 Troubleshooting 4 4 GH15DS ...

Page 16: ...GH15DS 5 1 5 Exploded View and Parts List ...

Page 17: ...5 Exploded View Parts List 5 2 GH15DS Memo ...

Page 18: ... TP 1608 C201 2402 000176 C AL SMD 10uF 20 16V GP TP 4 3x4 3x5 4 C202 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C301 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C302 2402 001042 C AL SMD 100uF 20 16V GP TP 6 6x6 6x5 4mm C303 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C304 2402 001042 C AL SMD 100uF 20 16V GP TP 6 6x6 6x5 4mm C307 2402 000135 C AL SMD 22uF 20 16V GP TP 5 ...

Page 19: ... CERAMIC CHIP 100nF 10 16V X7R TP 1608 C612 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C613 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 C614 2203 005005 C CERAMIC CHIP 100nF 10 16V X7R TP 1608 CA301 2503 001019 C NETWORK 33PFX4 10 50V CHIP CA302 2503 001019 C NETWORK 33PFX4 10 50V CHIP CA303 2503 001019 C NETWORK 33PFX4 10 50V CHIP CA304 2503 001019 C NETWORK 33PFX4 10 50V CHIP CA...

Page 20: ...C2412K NPN 200mW SC 59 TP 120 270 Q103 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 Q600 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 Q601 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 Q602 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 Q603 0501 002080 TR SMALL SIGNAL 2SC2412K NPN 200mW SC 59 TP 120 270 Q605 0501 002080 TR S...

Page 21: ...608 R403 2007 000074 R CHIP 100ohm 5 1 16W DA TP 1608 R600 2007 000070 R CHIP 0ohm 5 1 16W DA TP 1608 R601 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 R602 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R606 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R608 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R609 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP 1608 R610 2007 000084 R CHIP 4 7Kohm 5 1 16W DA TP...

Page 22: ...P 8P TP RA305 2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP RA306 2011 000002 R NETWORK 22ohm 5 63mW L CHIP 8P TP X301 2801 004004 CRYSTAL SMD 20 25MHz 20ppm 28 AAN 13pF 25ohm TP X601 2801 003773 CRYSTAL SMD 12MHZ 30PPM 28 AAN 20PF 50OHM TP ZD201 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD202 0403 000579 DIODE ZENER BZX84C5V1 5 1V 5 200mW SOT 23 ZD203 0403 000579 DIODE ZENER BZX84C5...

Page 23: ...6 Electrical Parts List 6 6 GH15DS Memo ...

Page 24: ...7 Block Diagram GH15DS 7 1 ...

Page 25: ...Memo 7 Block Diagrams 7 2 GH15DS ...

Page 26: ... RxC CN201 MAIN PCB POWER PCB 13 14 15 14 17 18 19 20 21 22 23 24 Rx2 Rx2 GND NC NC DVI_CLK DVI_DTA NC Rx1 1 2 3 4 5 6 7 8 9 10 11 Rx1 GND 12 NC 5V GND GND 12V_INV 12V_INV 12V_INV CN101 CN402 7 8 9 10 11 12 NC BRT_CTL_INV NC BL_ON NC GND 1 2 3 4 5 6 GND Tx1A Tx1A GND Tx0A Tx0A GND GND LCD_VCC LCD_VCC 11 12 13 14 15 16 17 18 19 20 NC GND Tx3A Tx3A GND TxCA TxCA GND Tx2A 1 2 3 4 5 6 7 8 9 10 Tx2A CN...

Page 27: ...8 Wiring Diagram 8 2 GH15DS Memo ...

Page 28: ...ESETn REXT 69 RVDD1 14 RVDD2 28 RVDD3 41 56 RVDD4 RVDD5 118 3 RVDD6 29 RVSS2 42 RVSS3 RVSS4 57 38 PD9 PDE 24 PHS 53 PLL DGNDA 104 103 PLL DVDDA 97 PLL_RGNDA PLL_RVDDA 98 PPWR 55 52 PVS 15 PVSS1 109 124 123 PD42 PD43 122 121 PD44 PD45 116 115 PD46 PD47 114 46 PD5 PD6 45 44 PD7 PD8 43 7 PD32 PD33 6 5 PD34 PD35 2 1 PD36 PD37 128 127 PD38 PD39 126 PD4 47 125 PD40 PD41 21 PD22 PD23 20 17 PD24 PD25 16 1...

Page 29: ...9 Schematic Diagrams 9 2 GH15DS 1 D201 2 D208 5 IC401 32 6 IC401 40 3 IC401 30 4 IC401 31 ...

Page 30: ...SC2412K Q 4 1 S1 3 S2 R601 1K 1 16W IC101 SI9933ADY T1 D1 8 7 D1_1 D2 6 5 D2_1 G1 2 G2 1 16W 0 R112 R600 1 16W 0 R113 100nF C107 1 16W 0 1 5uH L102 C106 100nF 100nF C108 L101 1 5uH 1 5uH L100 10 11 12 13 14 TP_BL12V 1 2 3 4 5 6 7 8 9 TP_BRT 1 TP_BLON 1 CN101 slcon14p_1 4 5 6 7 DC 12V_INV ON 5V slcon7p CN100 1 2 3 4 7K 1 16W 1 16W 4 7K R618 1 16W 4 7K R620 R619 CPU_VCC 16V 10uF C604 R608 4 7K 1 16W...

Page 31: ...9 Schematic Diagrams 9 4 GH15DS Memo ...

Page 32: ...o 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 ...

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