Pioneer DVH-3900MP/XZ/EW5 Service Manual page 25

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L 13942296513
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http://www.xiaoyu163.com
2-C
No subwoofer line out signal?
YES
Checked the line
out AMP Vdd?
YES
Checked the line out
AMP Vdd control?
YES
Checked the line
out AMP Ground?
YES
Checked the line out
AMP mute contorl?
YES
Checked the line out
AMP signal in/out?
YES
OK
2-D
No output Beep sound?
YES
Checked the
Beep control?
YES
OK
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y
i
http://www.xiaoyu163.com
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8
NO
NO
NO
NO
NO
Q Q
3 6 7 1 3
NO
u163
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DVH-3900MP/XZ/EW5
6
7
2 9 9 4 2 8
Q308, F303, IC702(8)
Q309, IC401(64)
IC702(4)
IC401(48), Q705, Q701, Q703
IC702(1, 2, 3, 5, 6, 7)
1 5 0 5 8 2 9 9 4
IC401(80), BU302
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
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