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MAIN BOARD 105S2 CM23 GSIII 29
9 Go to cover page

B1 7503-C B8 7501-11

B1
2.3V

7.4V
4.9V 6.8V 10 V/div AC 1 V/div AC




1.7V
5 mS/div 5 mS/div
B25

B2 7504-C B9 7501-12
B1 B7 65.8V
B8




2.6V
B26




3V




3V
B3 2.2V 39.6V
B24
76.4V




-0.8V
B21
B9
B2 B27
1V 12.2V
5V B10
26.6V 1V




1.9V
B4 26.5V
B20
0.6V

B5 10 V/div AC 0.5 V/div AC
4V
5 mS/div 5 mS/div

5V B26 B3 7501-14 B10 7501-13
5V B11 2.2V
8V




12.2V
12.3V 1.7V
1.1V
B27
B22
1.7V B23 12.2V
1.1V 2.5V
26.3V
B6 B12
3.2V

2 V/div AC 0.5 V/div AC
5 mS/div 5 mS/div
5V

B4 7501-16 B11 7501-6
2.3V


5V
3.7V




2.5V
B13



4.5V
B14
5.5V
B15
6.7V




1 V/div AC 5 V/div AC
5 mS/div 10 uS/div

B5 7501-17 B12 7501-8
1.6V
2.1V 0.8V



B28
B16 67V




B30
B17 B18
181.7V 66V
11.5V 43.5V
B31
0.5 V/div AC 2 V/div AC
5 mS/div 5 uS/div

B6 7501-15 B13 7501-29
66V


B32
B19




7.8V
5.5V
2 V/div AC 2 V/div AC
5 uS/div 5 uS/div

6.3V B7 7501-24 B14 7501-1




2 V/div AC 2 V/div AC
5 mS/div 5 uS/div
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