Samsung GH15DS Service Manual Download Page 28

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GH15DS

9-1

9 Schematic Diagrams

9-1 Main Part Schematic diagram

XG1

XG2

HPD

R300
0

1/16W

R331

R330

1/16W

100

R867

1/16W

X301
HC-49/SM5H(20.25MHz)

50V

0.01nF

C335

C336
0.01nF

50V

R332

R329

1/16W

DVI_GND

DVI_CLK

DVI_DAT

DVI_+5V

1/16W

R301

tpcon32p_1

CN201

CA306

CA305

CA304

CA303

CA302

CA301

16V

10uF

C415

ON+5V

C201
10uF

16V

16.000

100uF

C302

D3.3V

16V

100nF

C303

L304

1.5uH

L303

1.5uH

3.3V_RX

C304

100uF
16.000

C301

100nF
16V

CN402

slcon22p_1

SGM32F1E104-2A

FT407

LCD_VCC

16V

100nF

100uF

C414

16V

3.3V_RX

C413

MMBD4148SE

D204

D203

MMBD4148SE

D201

D202

MMBD4148SE

D208

MMBD4148SE

D207

MMBD4148SE

D206

BZX84C5V1

ZD203

D205

MMBD4148SE

ZD204

BZX84C5V1

ZD202

ZD205

BZX84C5V1

C311

100nF
16V

3.3V_RX

16V

100nF

C310

3.3V_RX

16V

100nF

C308

1/16W

3.3V_RX

C328

100nF
16V

22 1/16W

R302

R304

16V

100nF

C334

R309

1/16W

R402

R403

100

50V

1nF

C405

R401

1.5uH

FT402
SGM32F1E104-2A

VCC1

VCC2

L402

TXIN9

TXOUT0-

TXOUT1-

TXOUT2-

TXOUT3-

VCC

TXIN24

TXIN25

TXIN26

TXIN27

TXIN3

TXIN4

TXIN5

TXIN6

TXIN7

TXIN8

TXIN14

TXIN15

TXIN16

TXIN17

18
19

TXIN18

TXIN19

TXIN2

TXIN20

TXIN21

TXIN22

TXIN23

PWRDWN

17 R_FB

TXCLKIN

TXCLKOUT-

TXIN0

TXIN1

TXIN10

TXIN11

TXIN12

TXIN13

GND2

GND3

GND4

GND5

LVDSGND

LVDSGND1

LVDSGND2

LVDSVCC

PLLGND

PLLGND1

PLLVCC

3.3V_LVDSTX

IC401

DS90C385MTD

GND1

50V

1nF

L401

1.5uH

C402

1nF
50V

C404

C403
1nF

50V

R201

ZD201

BZX84C5V1

1/16W

R203

C202
100nF

16V

4.7K

1/16W

R202

1/16W

4.7K

R205

100

R204

100

RxC

Rx0

RxC+

Rx1

Rx0+

Rx2+

Rx1+

Rx2

MMBD4148SE

D210

D209

MMBD4148SE

1.5uH

L201

NM24C02M8

IC201

2
3

R327

100

1/16W

C332
100nF

16V

100nF

C327

STI_TM2

TCLK

100

VBUFC

VDD1

VDD2

VDD3

C326

100nF

16V

VSS5

RVSS6

RX0

RX0-

RX1

RX1-

RX2

RX2-

RXC

RXC-

STI_TM1

RESETn

REXT

RVDD1

RVDD2

VDD3

VDD4

VDD5

RVDD6

RVSS2

VSS3

VSS4

PD9

PDE

PHS

PLL-DGNDA

104

103

PLL-DVDDA

PLL_RGNDA

PLL_R

VDDA

PPWR

PVS

PVSS1

109

124

123

PD42

PD43

122

121

PD44

PD45

PD46

PD47

PD5

PD6

PD7

PD8

PD32

PD33

6
5

PD34

PD35

PD36

PD37

128

127

PD38

PD39

126

PD4

125

PD40

PD41

PD22

PD23

PD24

PD25

PD26

PD27

PD28

PD29

PD3

PD30
PD31

PD13

PD14

PD15

PD16

PD17

PD18

PD19

PD2

PD20

PD21

OSD_CLK

OSD_DA

OSD_HREF

OSD_VREF

PBIAS

PCLK

PD0

PD1

PD10

PD1

PD12

GND1

GND2

GND3

111

HCLK

ATA

108

107

HFS

IRQ

OSD-DATA2

OSD-DATA3

OSD-FSW

CVDD2

CVDD3

CVDD4

CVSS1

CVSS2

CVSS3

CVSS4

120

101

DAC-DGNDA

DAC-DVDDA

102

105

DVDD

DVSS

106

AGND5

AGND6

AVDD1

AVDD2

AVDD3

AVDD4

AVDD5

AVDD6

CLKOUT

CVDD1

gm3020

IC301

AGND1

AGND2

AGND3

AGND4

1/16W

R318

1/16W

R316

R317

1/16W

R315

1/16W

R314

1/16W

R312

R313

1/16W

R311

1/16W

R324

100

1/16W

R322

100

1/16W

100

R323

SGM32F1E104-2A

FT301

SGM32F1E104-2A

FT302

3.3V_RX

FT303

SGM32F1E104-2A

22 1/16W

R303

C316

15pF

50V
MO

15pF

50V
MO

50V

15pF

C317

50V

15pF

C318

C319

RA302

RA301

RA304

RA303

RA306

RA305

16V

100nF

C314

C315

100nF
16V

16V

100nF

C312

C313

100nF
16V

C309

100nF

16V

100nF

C322

16V

22uF

C307

16V

100nF

C320

C321

100nF

C323
22uF

16V

100nF

C329

C330

100nF
16V

C325
22uF

16V

100nF

C333

R310

1/16W

C331
22uF

16V

DAR(0)

DAR(1)

DAR(2)

DAR(3)

DAG(4)

DAG(5)

DAG(6)

DAG(7)

DAG(0)

DAG(1)

DAG(2)

DAG(3)

DAB(4)

DAB(5)

DAB(6)

DAB(7)

DAB(0)

DAB(1)

DAB(2)

DAB(3)

DHS

DVS

DDEN

LVDS_EN

Tx0A-

Tx0A+

Tx1A-

Tx1A+

Tx2A- Tx2A+

TxCA- TxCA+

Tx3A- Tx3A+

DAR(4)

DAR(5)

DAR(6)

DAR(7)

DAB(3)

DAB(4)

DAB(5)

DAB(6)

DAB(7)

Tx0A-
Tx0A+

Tx1A-
Tx1A+

Tx2A-
Tx2A+

TxCA-
TxCA+

Tx3A-
Tx3A+

DCLK

DVI_DAT

DVI_+5V

DAR(7:0)

DAR(0)

DAR(1)

DAR(2)

DAR(3)

DAR(4)

DAR(5)

DAR(6)

DAR(7)

DAG(7:0)

DAG(0)

DAG(1)

DAG(2)

DAG(3)

DAG(4)

DAG(5)

DAG(6)

DAG(7)

DAB(7:0)

DAB(0)

DAB(1)

DAB(2)

DDEN

DCLK

DHS

HCLK
HDAT

IRQn
RESET3020

HFS

DVI_GND

Rx1+

Rx2+

Rx1-

Rx2-

RxC-

RxC+

Rx0+

Rx0-

DVI_CLK

DAB(7)

DAB(6)

DAB(5)

DAB(4)

DAB(3)

DAB(2)

DAB(7:0)

DAB(1)

DAB(0)

DAG(0)

DAG(1)

DAG(2)

DAG(3)

DAG(4)

DAG(5)

DAG(6)

DAG(7)

DAG(7:0)

DAR(7)

DAR(6)

DAR(5)

DAR(4)

DAR(3)

DAR(2)

DAR(7:0)

DAR(1)

DAR(0)

DVS

Rx2+

Rx2-

Rx1+

Rx1-

Rx0+

Rx0-

RxC+

RxC-

GH15ES/GH15MS

only

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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Samsung GH15DS, Service Manual

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