Sony HCD-GP7 - Circuit Board Location

2323
HCD-GP7
POWER-AMP board
SUB-POWER board
THR board
SPEAKER board
POWER board
TC board
MAIN board
CD board
LOADING board
PANEL board
HP board
VOL board
CIRCUIT BOARD LOCATION
3.0 Vp-p
30.5 s
2.8 Vp-p
1 V/DIV, 40 ns/DIV
62 ns
1 V/DIV, 10 s/DIV
4 IC401 qa (XCOUT)
5 IC401 qd (XOUT)
– MAIN Board –
• Waveforms
– CD Board –
100 mV/DIV, 20 s/DIV
1 IC101 t;
(RFAC)(CD Play mode)
200 mV/DIV, 400 ns/DIV
860mVp-p
2 IC101 ra
(TE)(CD Play mode)
3 IC101 el
(FE)(CD Play mode)
100 mV/DIV, 20 s/DIV
350mVp-p
250mVp-p
12.6 Vp-p
12.3 s
6 Q642 collector
(TAPE REC mode)
5 V/DIV, 4 s/DIV
– TC Board –
17.5Vp-p
5V/DIV, 4
µ s/DIV
9.9
µ s
7 Q801 collector
– PANEL Board –
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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