Samsung SyncMaster 700p Plus User manual

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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
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
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
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
High
5.05
GND
pin # 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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
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
4.94
5.05
0.382
Low
0 ~ 1.127
3.28
2.469
6.35
3.96
3.32
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
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
4.94
5.05
pin # 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
1
2
3
4
5
6
7
8
3.027
2.493
0.709
1.535
0
2.070
11.73
4.96
2.621
2.494
0.439
1.472
0
3.71
11.74
4.96
2.57
2.495
0.278
1.548
0
5.33
11.74
4.96
pin #
MODES
31 kHz 69 kHz 96 kHz
Table 13-3. IC401 (KA3843B)
Unit: Vrms
1
2
3
4
5
3.05
3.05
–10.79
0.286
11.93
3.88
3.89
–11.97
1.916
11.92
4.25
4.25
–11.93
2.631
11.92
pin #
MODES
31 kHz 69 kHz 96 kHz
Table 13-4. IC402 (TDA2006V)
Unit: Vrms
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
4.96
4.96
1.515
0
0.656
3.63
0
11.88
2.634
2.634
11.89
11.89
0
4.96
11.88
4.96
4.95
4.96
1.325
0
0.601
3.71
0
11.86
4.07
4.07
11.86
11.86
0
4.96
11.86
4.96
4.93
4.96
1.306
0
0.611
3.75
0
11.85
4.46
4.46
11.85
11.85
0
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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
0.334
0.94
0.938
5.02
4.67
4.95
4.94
4.94
0.672
0
–
–
0
0
2.159
4.25
4.99
4.75
0
0
0.3
0.2
0.2
GND
0.472
1.192
1.19
5.01
4.37
4.94
4.94
4.94
0.668
0
–
–
0
0
2.107
4.16
4.94
4.70
0
0
0.3
0.2
0.2
GND
0.605
1.557
1.554
5.0
4.19
4.94
4.94
4.94
0.661
0
–
–
0
0
2.062
4.07
4.91
4.71
0
0
0.3
0.2
0.2
GND
pin # pin #
MODES MODES
31 kHz 31 kHz69 kHz 69 kHz96 kHz 96 kHz
Table 13-8. IC03 (LSC4309P2)
Unit: Vrms
1
2
3
4
5
6
7
1.088
13.17
–13.31
–13.65
0.361
12.77
1.087
1.087
13.36
–13.31
–13.88
0
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
2
3
4
5
6
7
8
1.059
11.9
11.4
–13.06
0
1.065
1.487
1.5
1.046
11.9
11.4
–13.06
0
1.051
1.487
1.5
1.053
11.9
11.42
–13.06
0
1.057
1.487
1.5
pin #
MODES
31 kHz 69 kHz 96 kHz
Table 13-7. IC403 (L272M)
Unit: Vrms
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
0.51
1.08
1.896
0.51
1.08
2.21
0.51
1.08
2.21
11.2
11.2
11.2
GND
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
11.2
11.2
GND
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
11.2
11.2
GND
GND
–
2.97
4.84
11.8
pin #
MODES
31 kHz 69 kHz 96 kHz
Table 13-9. IC06 (M52324P)
Unit: Vrms
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
GND
2.333
2.192
4.93
0
0
7.54
6.0
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
0
0
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
0
0
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