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Table 13-3. IC401 (KA3843B)
MODES
31 kHz
69 kHz
96 kHz
1
3.027
2.621
2.57
2
2.493
2.494
2.495
3
0.709
0.439
0.278
4
1.535
1.472
1.548
5
0
0
0
6
2.070
3.71
5.33
7
11.73
11.74
11.74
8
4.96
4.96
4.96
Unit: Vrms
Table 13-4. IC402 (TDA2006V)
MODES
31 kHz
69 kHz
96 kHz
1
3.05
3.88
4.25
2
3.05
3.89
4.25
3
–10.79
–11.97
–11.93
4
0.286
1.916
2.631
5
11.93
11.92
11.92
Unit: Vrms
CSH7839L/CSH9839L
Table 13-5. IC501 (TL494CN)
MODES
31 kHz
69 kHz
96 kHz
1
4.96
4.95
4.93
2
4.96
4.96
4.96
3
1.515
1.325
1.306
4
0
0
0
5
0.656
0.601
0.611
6
3.63
3.71
3.75
7
0
0
0
8
11.88
11.86
11.85
9
2.634
4.07
4.46
10
2.634
4.07
4.46
11
11.89
11.86
11.85
12
11.89
11.86
11.85
13
0
0
0
14
4.96
4.96
4.96
15
11.88
11.86
11.85
16
4.96
4.96
4.96
Unit: Vrms
7
10.96 V (IC401, #6)
8
230 V (Q405, S
CH1 P-P = 10.96 V
CH1 RMS = 6.180 V
CH1 P-P = 230 V
CH1 RMS = 150.1 V
11
11.6 V (Q406, Gain)
12
18.6 V (Q407, Base)
CH1 P-P = 11.6 V
CH1 RMS = 6.944 V
CH1 P-P = 55.2 V
CH1 RMS = 9.52 V
15
808 V (T501, #1)
16
234 V (Q503, Drain)
CH1 P-P = 808 V
CH1 RMS = 244 V
CH1 P-P = 234 V
CH1 RMS = 171.5 V
13 Schematic Diagrams
9
29.8 V (T402, #8)
10
54 V (Q406, Drain)
CH1 P-P = 29.8 V
CH1 RMS = 7.14 V
CH1 P-P = 54 V
CH1 RMS = 22.44 V
13
1.216 kV (Q407, Collector)
14
11.36 V (Q501, Gain)
CH1 P-P = 1.216 kV CH1 RMS = 316 V
CH1 P-P = 11.36 V
CH1 RMS = 6.944 V
17
12.40 V (IC501, #9, 10)
18
42.8 V (T551, #7)
CH1 P-P = 12.40 V
CH1 RMS = 5.840 V
CH1 P-P = 42.8 V
CH1 RMS = 13.78 V
19
580 V (T551, #1)
20
0.8 V (Q554, Emitter)
CH1 P-P = 580 V
CH1 RMS = 278.2 V
CH1 P-P = 0.8 V
CH1 RMS = 10.216 V
13-6
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