Samsung PG19N, Service Manual

Page: 74 / 85

10 Schematic Diagrams
PG17N*/PG19N* 10-6
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 1.3
0
3.4
1.33
2.3
10.48
GND
8.34
NC
10
3.03
1.31
4.03
0.36
1.76
0.78
0.23
4.6
4.73
NC
NC
3.02
2.84
2.75
GND
3.74
2.34
2.35
4.38
4.71
NC
5.89
1.92
0
3.37
1.82
2.31
9.31
GND
8.75
NC
10.76
3.02
1.3
5.77
0.99
1.32
1.1
0.25
4.7
4.7
NC
NC
2.52
2.84
2.55
GND
3.12
1.76
2.36
4.4
4.98
NC
5.83
2.21
0
3.39
1.92
2.28
7.7
GND
8.35
NC
11.63
3.02
1.3
5.77
0.34
1.51
1.26
0.24
4.69
4.7
NC
NC
2.52
2.84
2.66
GND
2.71
1.61
2.36
4.49
5.17
NC
6.07
pin # pin #
MODES MODES
31 kHz 31 kHz 68 kHz 68 kHz 91 kHz 91 kHz
Table 10-2. IC251 (TDA4859)
Unit: Vrms
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 GND
NC
NC
NC
NC
2.36
5.55
5.85
5.82
10.52
2.43
3.6
0.96
6.67
2.86
0.53
3.68
GND
5.73
NC
GND
NC
NC
NC
NC
2.38
5.56
5.81
5.75
11.89
2.55
3.75
1.21
6.73
1.93
0.42
4
GND
5.74
NC
GND
NC
NC
NC
NC
2.29
5.67
5.82
5.75
11.9
2.57
3.81
0.98
6.72
2.04
0.47
3.81
GND
5.73
NC
pin # pin #
MODES MODES
31 kHz 31 kHz 68 kHz 68 kHz 91 kHz 91 kHz
Table 10-2. IC250 (M52759SP)
Unit: Vrms
7
24.4 V (IC261, #1)
CH1 P-P = 24.4 V CH1 RMS = 6.32 V
8
960 mV (IC261, #32)
CH1 P-P = 960 mV CH1 RMS = 6.042 V
9 1.32 V (IC261, #12)
CH1 P-P = 1.32V CH1 RMS =1.507 V
11
13.6 V (IC261, #6)
CH1 P-P = 13.6 V CH1 RMS =9.02 V
10 13.0 V (H_DRIVE (IC261))
CH1 P-P = 13.0 V CH1 RMS = 7.91V