6. Test point Waveforms
TDA9370 PIN38
TDA9370 PIN40
1.2Vpp
2.6Vpp
H
H
TDA9370 PIN34
TDA9370 PIN33
3.8Vpp
2.5Vpp
2.5Vpp
95Vpp
CRT KR
H
5Vpp
0.9Vpp
TDA9370 PIN53
TDA9370 PIN51
TDA9370 PIN52
H
H
H
1.3Vpp
H
H
1Vpp
TDA9370 PIN59
0.8Vpp
V
TDA9370 PIN22
CRT KB
CRT KG
95Vpp
95Vpp
H
H
V
TDA9370 PIN21
7. IC voltages
TDA9377
PIN 1 2 3 4 5 6 7 8 9 10
11
12
13 14 15 16
V 0 3.8 3.6 3.3
3.5 4.4 5.1
1.8
0 0.18 0.17
0 2.3 8 5 3
PIN 17 18 19 20
21 22 23
24
25
26
27
28
29 30 31 32
V 4 0 4 0.5
0.7 0.8 1.9
1.9
3.9
3.8
1.6
3.2
2.3 0 2.3 0.2
PIN 33 34 35 36
37 38 39
40
41
42
43
44
45 46 47 48
V 0.5 0.3 0 1.7
2.4 3.4 8 3.9
0 3.3
0 3.6
1.4 2.5 2.5 2.5
PIN 49 50 51 52
53 54 55
56
57
58
59
60
61 62 63 64
V 1.9 5.0 2.4 2.4
2.4 3.1 0 3.2
0 1.8
1.7
0 3.2 5.1 3.3 5
TDA8357
PIN
1 2 3 4 5 6 7 8 9
V
0.8
0.7
16
6.9
0
43
7.2
0.3
7.2
AN 7522N
PIN 1 2 3 4 5 6 7 8 9 10 11 12
V 10 4.4 0 4.4
2.75
1.4 0 1.4
0.35
4.4 0 4.4
24C08/PCF8598
PIN 1 2 3 4 5 6 7 8
V 0 0 5.1 0 3.2 0 0 5.1
10
