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A
B
PRINTED CIRCUIT BOARD (Foil side)
1
2
Point e (Pin37 of IC8)
H : 20 µsec/div
V : 2V/div
DC range
1 : 1 probe
3
0V
Point r (Pin39 of IC8)
V : 2V/div
H : 50 nsec/div
DC range
1 : 1 probe
4
0V
Point t
V : 2V/div (CH1)
CH1 : Collector of Q19
V : 2V/div (CH2)
CH2 : Anode of D11
H : 0.5 sec/div
DC range
1 : 1 probe
(This waveform is not available by pushing the power switch ON and OFF.)
5
CH 1
CH 2
With the POWER ON,
Disconnect the
disconnect the A/C power
power cord from
cord. Reconnect the A/C
the AC outlet.
power cord and the above
waveforms will start.
6
C
D
GX-700VCD P.C.B. INPUT(1)
t
52
E
F
(Surface Mount Device)
8
5
8
1
1
4
9
16
8
1
9
16
8
5
1
4
e
r
G
H
GX-700/GX-700VCD
7
1
8
14
4
1
5
8
53
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