Samsung SyncMaster 520TFT User manual

COLOR MONITOR

SyncMaster 320TFT/520TFT

Manual

SERVICE

COLOR MONITOR CONTENTS

1. Precautions

2. Reference Information

3. Product Specifications

4. Operating Instructions

5. Disassembly & Reassembly

6. Troubleshooting

7. Exploded View & Parts List

8. Block Diagram

9. Electrical Parts List

10. PCB Diagrams

11. Wiring Diagram

12. Schematic Diagrams

118 19

Power Line

Signal Line

12-1 SyncMaster 320TFT/520TFT

12 Schematic Diagrams

12-1 DAC & IO Part Schematic Diagram

12 Schematic Diagrams

SyncMaster 320TFT/520TFT 12-2

3.3

GND

3.3

GND

pin #

MODES

1024 x 768 / 85 Hz

Table 12-4. IC108

Unit: Vrms

GND

pin #

MODES

1024 x 768 / 85 Hz

Table 12-3. IC107

Unit: Vrms

GND

pin #

MODES

1024 x 768 / 85 Hz

Table 12-1. IC102

Unit: Vrms

GND

pin #

MODES

1024 x 768 / 85 Hz

Table 12-5. IC109

Unit: Vrms

GND

pin #

MODES

1024 x 768 / 85 Hz

Table 12-2. IC103

Unit: Vrms

7IC101 #94

CH1RMS=3.5V

8IC105 #10

CH1RMS=3.1V

9IC104, #1

CH1RMS=4.56V

18 IC110 #13

CH1RMS=1.24V

19 IC110 #14

CH1RMS=400mV

20 IC110 #2

CH1RMS=4.4V

1IC110 #3

CH1RMS=3.6V

15 17

12 13 14

2345

Power Line

Signal Line

12-2 ZOOM & FRC Part Schematic Diagram

12 Schematic Diagrams

12-3 SyncMaster 320TFT/520TFT

12 Schematic Diagrams

SyncMaster 320TFT/520TFT 12-4

11.96

5.90

4.99

5.8 mV

4.99

11.95

pin #

MODES

1024 x 768 / 85 Hz

Table 12-6. IC309

Unit: Vrms

2IC310 #22

CH1RMS=3.1V

3IC310 #23

CH1RMS=2.3V

4IC310 #25

CH1RMS=2.8V

5IC310 #26

CH1RMS=2.12V

6CN301 #5~20

CH1RMS=1.18V

10 IC301 #2

CH1RMS=2.3V

11 IC301 #3

CH1RMS=3.25V

12 IC301 #54

CH1RMS=2.35V

13 IC301, #55

CH1RMS=200mV

14 IC301 #56

CH1RMS=50mV

15 IC307 #12

CH1RMS=2.2V

16 IC307 #5

CH1RMS=1.7V

17 IC307 #10

CH1RMS=4.3V

Power Line

12-3 Micom Part Schematic Diagram

12 Schematic Diagrams

12-5 SyncMaster 320TFT/520TFT

GND

4.43

4.46

4.87

5.03

pin #

MODES

1024 x 768 / 85 Hz

Table 12-8. IC403

Unit: Vrms

GND

5.03

GND

5.03

pin #

MODES

1024 x 768 / 85 Hz

Table 12-9. IC404

Unit: Vrms

59.8 mV

4.62

0.457

4.91

GND

5.03

5.02

4.94

93.7 mV

3.217

4.97

5.01

63.0 mV

0.476

3.44

GND

4.16

5.01

4.97

4.46

4.43

4.78

4.77

14.07

2.226

2.238

5.03

4.96

52.7 mV

4.96

4.87

GND

9.7 mV

pin #

MODES

1024 x 768 / 85 Hz 1024 x 768 / 85 Hz

MODES

Table 12-7. IC401

Unit: Vrms

12-4 Sub Part Schematic Diagram

12 Schematic Diagrams

SyncMaster 320TFT/520TFT 12-6

GND

Signal (+2.5 V Bias)

Input Signal (+2.5 V Bias)

GND

2.5

Input Signal (+2.5 V Bias)

Signal (+2.5 V Bias)

GND

2.5 V (Headphone : 5 V)

pin #

MODES

1024 x 768 / 85 Hz

Table 12-10. IC803

Unit: Vrms

Memo

12 Schematic Diagrams

12-7 SyncMaster 320TFT/520TFT

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