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Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltplan (Teil 1) / Circuit Diagram (Part 1)
Pick-Up-Einheit, Hauptplatte / Pick Up Unit, Main Board
Pick-Up-Einheit
Pick Up Unit
2 - 2
IC500
1
4.6V
1 5
2.5V
2
4.6V
1 6
2.5V
3
1 7
4.9V
4
2.5V
1 8
4.3V
5
1 9
6
2 0
2.5V
7
2.5V
2 1
9 V
8
0
2 2
9 V
9
2.5V
2 3
2.5V
1 0
2 4
2.5V
1 1
4.6V
2 5
1 2
4.6V
2 6
4.6V
1 3
2.5V
2 7
4.6V
1 4
2.5V
2 8
0 V
IC800
CD play: 2.2V
1
2.4V
CD change: 1.2V
2
2.4V
3
5 V
4
0.2V
5
4 V
6
2.5V
7
2.3V
8
3.6V
9
2.5V
1 0
4 V
1 1
3.5V
1 2
0 V
1 3
2.5V
1 4
0 V
1 5
2.8V
1 6
0 V
1 7
0 V
1 8
2.5V
1 9
2.5V
2 0
2.5V
2 1
2.5V
2 2
2.5V
2 3
2.5V
2 4
2.5V
2 5
2.5V
2 6
2.5V
2 7
2.5V
2 8
2.5V
MCD 46
Hauptplatte / Main Board
GRUNDIG Service
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