Read Sony CMT-GP7 / HCD-GP7 Service Manual online
23
23
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 –
– 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 –
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