TFT-LCD MONITOR

1503FP

Manual

SERVICE

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

1503FP

9-1

9 Schematic Diagrams

9-1 Scaler Part Schematic Diagram

+3.3V_P

PVDD_3.3

AVDD_2.5

+3.3V_A

DVDD_3.3

DVDD_3.3

+3.3V_D

DVDD_3.3

DVDD_2.5

AVDD_3.3

AVDD_3.3

DVDD_3.3

AVDD_2.5

AVDD_3.3

DVDD_3.3

PVDD_3.3

+2.5V_D

+2.5V_A

DVDD_2.5

MENU_KEY

A

U

T

O_KEY

SEL_KEY

MINUS_KEY

PLUS_KEY

DO

WN_KEY

UP_KEY

DCLK

DAR(7:0)

DAG(7:0)

DAB(7:0)

FSADDR(13:0)

FSADDR(13:0)

DEN

DVS

DHS

DBG(7:0)

DBB(7:0)

HFS

*IRQ

*IRQIN

*RESET

DDDC_SCL
DDDC_SDA

Rx2+

Rx2-

Rx1+

Rx1-

Rx0+

Rx0-

RxC+

RxC-

DBR(7:0)

BLU+

GRN+

RED+

A_H*V_SYNC

A_V_SYNC

HCLK

12

13

14

15

12

R301, R302

13

R303, R304

14

R305, R306

15

R307, R308

9 Schematic Diagrams

9-2

1503FP

9-2 MCU Part Schematic Diagram

+5V

+5V_M

+5V_M

+5V_M

+5V_M

+5V_M

+5V_M

A(15)

*RESET

D(7:0)

HCLK

RESET

A(15)

A(16)

BANK

A(16)

A(15:8)

*PSEN

ALE

HFS

*IRQ

BANK

HDATA(3:0)

RESET

RXD

TXD

PWR_SW

SDA

SCL

CHK_DSUB

CHK_DVI

9 Schematic Diagrams

1503FP

9-3

9-3 LCD Output Part Schematic Diagram

LVDS_3.3

PANEL_3.3

PANEL_3.3

LVDS_EN

DEN

DCLK

DAB(7:0)

DVS

DHS

DAR(7:0)

DAG(7:0)

4

3

2

1

5

6

7

8

9

8

IC401 #45, 46

7

IC401 #41, 42

6

IC401 #39, 40

5

IC401 #37, 38

4

IC401 #27

9

IC401 #47, 48

3

IC401 #28

2

IC401 #30

1

IC401 #31

9 Schematic Diagrams

9-4

1503FP

9-4 Video Input Part Schematic Diagram

Power Function

Menu Function

+5V

+5V

+5V

+5V

+5V

BRIGHT

Rx1+

A_H*V_SYNC

CHK_DSUB

DDDC_SCL

DDDC_SDA

LED_GRN

A_V_SYNC

PWR_SW

AUTO_KEY

SEL_KEY

LVDS_EN
PANEL_EN

D_LED

A_LED
LED_RED
LED_GRN

BKLT_EN

Rx0-

A_LED

D_LED

DOWN_KEY
MENU_KEY
PLUS_KEY

UP_KEY

MINUS_KEY

LED_RED

GRN+

RED+

ADDC_DATA

ADDC_CLK

BLU+

CHK_DVI

Rx2+

Rx1-

Rx2-

RxC-

RxC+

Rx0+

11

10

10

IC510 #4

11

R211

9 Schematic Diagrams

1503FP

9-5

9-5 Power Part Schematic Diagram

+12V

LVDS_3.3

+3.3V

PANEL_3.3

+12V

+3.3V_A

+3.3V_D

+5V

+2.5V_A

+2.5V_D

+12V_INV

+5V

+3.3V_P

+5V

+12V

PANEL_EN

LVDS_EN

9 Schematic Diagrams

9-6

1503FP

9-6 Function Part Schematic Diagram

Samsung Electronics Co., Ltd. November 2000
Printed in Korea
P/N :BN68-00175B-01