Samsung SyncMaster 700p PLUS CSH7839L, Руководство по обслуживанию

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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 kHz 69 kHz 69 kHz 96 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)
CH1 P-P = 0.96 V CH1 RMS = 2.876 V
22 2.92 V (IC01, #35)
CH1 P-P = 2.92 V CH1 RMS = 2.688 V
23 5.32 V (IC01, #21)
CH1 P-P = 5.32 V CH1 RMS = 3.508 V
24 4.96 V (IC01, #20)
CH1 P-P = 4.96 V CH1 RMS = 3.586 V
25 40 V (IC02, #4)
CH1 P-P = 40 V CH1 RMS = 53 V
26 39.2 V (CN105, #10)
CH1 P-P = 39.2 V CH1 RMS = 71.72 V
27 4.84 V (IC03, #23)
CH1 P-P = 4.84 V CH1 RMS = 2.118 V
28 5.2 V (Q101, Collector)
CH1 P-P = 5.2 V CH1 RMS = 4.648 V
29 5.12 V (IC03, #18)
CH1 P-P = 5.12 V CH1 RMS = 4.756 V
30 50.4 V (CN301, #1)
CH1 P-P = 50.4 V CH1 RMS = 5.82 V
31 0.52 V (IC301, #1)
CH1 P-P = 0.52 V CH1 RMS = 1.078 V