Samsung SyncMaster 700p PLUS CSH7839L Manuale utente

Manual

SERVICE

COLOR MONITOR CONTENTS

1. Precautions

2. Reference Information

3. Product Specifications

4. Operating Instructions

5. Disassembly & Reassembly

6. Alignment & Adjustments

7. Troubleshooting

8. Exploded View & Parts List

9. Electrical Parts List

10. Block Diagram

11. PCB Diagrams

12. Wiring Diagram

13. Schematic Diagrams

COLOR MONITOR

CSH7839L

(SyncMaster 700p )

CSH9839L

(SyncMaster 900p)

13-1 CSH7839L/CSH9839L

13 Schematic Diagrams

13-1 Power Part Schematic Diagram

13 Schematic Diagrams

CSH7839L/CSH9839L 13-2

1544 V (IC601, #1)

CH1P-P=544V CH1RMS=332.4V

256.4 V (T601, #7)

CH1P-P=56.4V CH1RMS=9.18V

13 Schematic Diagrams

13-3 CSH7839L/CSH9839L

13-2 Micom & H/V Process Part Schematic Diagram

13 Schematic Diagrams

CSH7839L/CSH9839L 13-4

0.239

0.210

1.875

2.111

1.833

0.237

3.73

GND

5.05

3.24 ~ 5.02

0 ~ 5.06

4.51

0.112

Low

4.64

Low

0.604

3.65

GND

3.96

5.05

Low

High

–

Low

2.258

2.233

High

5.05

GND

0.238

0.210

1.871

3.34

1.830

–

0.236

3.72

GND

5.05

3.24 ~ 5.02

0 ~ 5.06

0.02

0.122

Low

4.46

Low

0.376

3.39

GND

0.337

5.05

Low

High

–

Low

2.258

2.233

High

5.05

GND

0.241

0.212

1.876

3.88

1.835

–

0.239

0.238

GND

5.05

3.24 ~ 5.02

0 ~ 5.06

4.5

0.172

Low

4.39

Low

0.378

3.36

GND

4.17

5.05

Low

High

–

Low

2.258

2.233

High

5.05

GND

pin #

MODES MODES

31 kHz 31 kHz69 kHz 69 kHz96 kHz 96 kHz

Table 13-1. IC201 (ST72E75_3)

Unit: Vrms

up: 0.535, down: 1.478, left: 2.478, rignt: 3.45

pos: 0.539, pin: 1.476, menu: 2.476

D-Sub : High, BNC : Low

0.610

Low

0 ~ 1.127

3.28

3.121

6.35

3.96

1.515

1.517

3.27

GND

0.073

7.97

8.01

2.81

3.23

GND

11.9

GND

5.42

8.07

3.52

3.38

2.92

Low

5.28

GND

3.18

11.92

4.94

5.05

0.382

Low

0 ~ 1.127

3.28

2.469

6.35

3.96

3.32

3.18

GND

0.096

7.97

7.95

2.91

3.21

GND

11.9

GND

5.22

8.07

3.52

3.44

2.86

Low

5.51

GND

1.85

11.92

4.94

5.05

0.384

Low

0 ~ 1.127

3.28

1.96

6.35

3.96

4.69

4.7

3.27

GND

0.131

7.96

7.91

2.90

3.20

GND

11.9

GND

5.18

8.07

3.51

3.40

2.81

Low

5.43

GND

2.77

11.92

4.94

5.05

pin #

MODES MODES

31 kHz 31 kHz69 kHz 69 kHz96 kHz 96 kHz

Table 13-2. IC251 (TDA9110)

Unit: Vrms

33.42 V (IC201, #33)

CH1P-P=3.42V CH1RMS=2.500V

43.16 V (IC201, #32)

CH1P-P=3.16V CH1RMS=2.560V

512.08 V (Q253, Base)

CH1P-P=12.08V CH1RMS=7.396V

62.20 V (IC251, #15)

CH1P-P=2.20V CH1RMS=2.776V

13 Schematic Diagrams

13-5 CSH7839L/CSH9839L

13-3 Main Part Schematic Diagram

13 Schematic Diagrams

CSH7839L/CSH9839L 13-6

3.027

2.493

0.709

1.535

2.070

11.73

4.96

2.621

2.494

0.439

1.472

3.71

11.74

4.96

2.57

2.495

0.278

1.548

5.33

11.74

4.96

pin #

MODES

31 kHz 69 kHz 96 kHz

Table 13-3. IC401 (KA3843B)

Unit: Vrms

3.05

–10.79

0.286

11.93

3.88

3.89

–11.97

1.916

11.92

4.25

–11.93

2.631

11.92

pin #

MODES

31 kHz 69 kHz 96 kHz

Table 13-4. IC402 (TDA2006V)

Unit: Vrms

4.96

1.515

0.656

3.63

11.88

2.634

11.89

4.96

11.88

4.96

4.95

4.96

1.325

0.601

3.71

11.86

4.07

11.86

4.96

11.86

4.96

4.93

4.96

1.306

0.611

3.75

11.85

4.46

11.85

4.96

11.85

4.96

pin #

MODES

31 kHz 69 kHz 96 kHz

Table 13-5. IC501 (TL494CN)

Unit: Vrms

8230 V (Q405, S

CH1P-P=230V CH1RMS=150.1V

710.96 V (IC401, #6)

CH1P-P=10.96V CH1RMS=6.180V

929.8 V (T402, #8)

CH1P-P=29.8V CH1RMS=7.14V

10 54 V (Q406, Drain)

CH1P-P=54V CH1RMS=22.44V

11 11.6 V (Q406, Gain)

CH1P-P=11.6V CH1RMS=6.944V

12 18.6 V (Q407, Base)

CH1P-P=55.2V CH1RMS=9.52V

13 1.216 kV (Q407, Collector)

CH1P-P=1.216kV CH1RMS=316V

14 11.36 V (Q501, Gain)

CH1P-P=11.36V CH1RMS=6.944V

15 808 V (T501, #1)

CH1P-P=808V CH1RMS=244V

16 234 V (Q503, Drain)

CH1P-P=234V CH1RMS=171.5V

17 12.40 V (IC501, #9, 10)

CH1P-P=12.40V CH1RMS=5.840V

18 42.8 V (T551, #7)

CH1P-P=42.8V CH1RMS=13.78V

19 580 V (T551, #1)

CH1P-P=580V CH1RMS=278.2V

20 0.8 V (Q554, Emitter)

CH1P-P=0.8V CH1RMS=10.216V

13 Schematic Diagrams

13-7 CSH7839L/CSH9839L

13-4 Video Part Schematic Diagram

13 Schematic Diagrams

CSH7839L/CSH9839L 13-8

0.334

0.94

0.938

5.02

4.67

4.95

4.94

0.672

–

2.159

4.25

4.99

4.75

0.3

0.2

GND

0.472

1.192

1.19

5.01

4.37

4.94

0.668

–

2.107

4.16

4.94

4.70

0.3

0.2

GND

0.605

1.557

1.554

5.0

4.19

4.94

0.661

–

2.062

4.07

4.91

4.71

0.3

0.2

GND

pin #

MODES MODES

31 kHz 31 kHz69 kHz 69 kHz96 kHz 96 kHz

Table 13-8. IC03 (LSC4309P2)

Unit: Vrms

1.088

13.17

–13.31

–13.65

0.361

12.77

1.087

13.36

–13.31

–13.88

13.11

1.087

1.089

13.28

–13.31

–13.89

0.28

12.99

1.087

pin #

MODES

31 kHz 69 kHz 96 kHz

Table 13-6. IC301 (TDA8172)

Unit: Vrms

1.059

11.9

11.4

–13.06

1.065

1.487

1.5

1.046

11.9

11.4

–13.06

1.051

1.487

1.5

1.053

11.9

11.42

–13.06

1.057

1.487

1.5

pin #

MODES

31 kHz 69 kHz 96 kHz

Table 13-7. IC403 (L272M)

Unit: Vrms

0.51

1.08

1.896

0.51

1.08

2.21

0.51

1.08

2.21

11.2

GND

–

2.97

4.84

11.8

0.51

1.08

1.896

0.51

1.08

2.21

0.51

1.08

2.21

11.2

GND

–

2.97

4.84

11.8

0.51

1.08

1.896

0.51

1.08

2.21

0.51

1.08

2.21

11.2

GND

–

2.97

4.84

11.8

pin #

MODES

31 kHz 69 kHz 96 kHz

Table 13-9. IC06 (M52324P)

Unit: Vrms

GND

2.333

2.192

4.93

7.54

6.0

11.87

2.701

3.85

1.231

6.91

GND

0.054

0.304

GND

6.08

11.89

GND

2.333

2.175

4.93

7.54

6.0

5.94

11.87

2.784

3.96

1.231

6.91

GND

0.065

0.651

GND

6.04

11.89

GND

2.333

2.159

4.93

7.54

6.0

5.91

11.87

2.806

4.04

1.231

6.91

GND

0.080

0.910

GND

6.0

11.89

pin #

MODES

31 kHz 69 kHz 96 kHz

Table 13-10. IC08 (M52759SP)

Unit: Vrms

21 0.96 V (IC01, #2)

CH1P-P=0.96V CH1RMS=2.876V

22 2.92 V (IC01, #35)

CH1P-P=2.92V CH1RMS=2.688V

23 5.32 V (IC01, #21)

CH1P-P=5.32V CH1RMS=3.508V

24 4.96 V (IC01, #20)

CH1P-P=4.96V CH1RMS=3.586V

25 40 V (IC02, #4)

CH1P-P=40V CH1RMS=53V

26 39.2 V (CN105, #10)

CH1P-P=39.2V CH1RMS=71.72V

27 4.84 V (IC03, #23)

CH1P-P=4.84V CH1RMS=2.118V

28 5.2 V (Q101, Collector)

CH1P-P=5.2V CH1RMS=4.648V

29 5.12 V (IC03, #18)

CH1P-P=5.12V CH1RMS=4.756V

30 50.4 V (CN301, #1)

CH1P-P=50.4V CH1RMS=5.82V

31 0.52 V (IC301, #1)

CH1P-P=0.52V CH1RMS=1.078V

13 Schematic Diagrams

13-9 CSH7839L/CSH9839L

13-5 CRT Socket & Control Part Schematic Diagram

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