Hauptplatte - Grundig UMS 25 Service Manual

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Explosionszeichnungen und Ersatzteilliste / Exploded Views and Spare Parts List
Hauptplatte / Main Board
S
S
3 - 11
12,2V
30,2V
29,6V
11V
29,4V
9,7V
12,2V
GRUNDIG Service
UMS 25
Explosionszeichnungen und Ersatzteilliste / Exploded Views and Spare Parts List
10,3V
4,7V
3 - 12
IC201
IC401
Pin
Pin
Pin
Rec
Play
Pin
Rec
Play
Pin
1
2,4V
11 2,6V
1
2,5V
0V
13
8V
8,6V
1
2
2,4V
12
0V
2
2,5V
0V
14
0V
0V
2
3
2,4V
13
2,4V
3
0,6V
0,7V
15
0V
0V
3
4
2,4V
14
2,4V
4
4,5V
4,8V
16
0V
0V
4
5
2,4V
15
2,3V
5
3,8V
4,2V
17
4,2V
0V
5
6
2,3V
16
2,4V
6
2,8V
0V
18
0V
0V
7
2,4V
17
2,4V
7
0V
0V
19
5V
0,2V
8
2,4V
18
2,4V
8
4,3V
0V
20
3,8V
4,1V
9
2,4V
19
2,4V
9
4,5V
0V
21
4,4V
4,8V
10 5,2V
20
2,4V
10
0V
0V
22
0,6V
0,7V
11
5,5V
5,8V
23
0V
0V
12
0V
0V
24
0V
0V
TO PAGE 3-10
TO PAGE 3-5
UMS 25
IC402
IC501
IC502
Rec
Pin
Pin
Pin
9,9V
1
0V
1
3,9V
9
3,9V
AC 36V
2
10,4V
2
3,9V
10
0,1V
0V
3
21,6V
3
0V
11
4,8V
3V
4
10,3V
4
1,8V
12
4,7V
0V
5
11,7V
5
4V
13
4,7V
6
0V
6
3,9V
14
4,7V
7
10,2V
7
3,9V
15
3,9V
8
9,6V
8
0V
16
8,7V
9
9,6V
10
9,6V
11
10,2V
GRUNDIG Service

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