Pioneer DVH-3900MP/XZ/EW5 Service Manual page 23

5
QQ
3 7 63 1515 0
2. SOUND ERROR CORRECTION FLOW CHART
Something wrong with the sound?
TE
L 13942296513
www
.
5
http://www.xiaoyu163.com
6
No sounds of all functions?
YES
Checked the E-VR Vdd?
YES
Checked the E-VR Ground?
YES
Checked the E-VR control?
YES
Checked the E-VR
mute control?
YES
Checked the E-VR
signal in/out?
YES
Checked the
power IC Vdd?
YES
Checked the power
IC Ground?
YES
Checked the power
IC Control?
YES
Checked the power
IC signal in/out?
YES
Checked the main
connector?
YES
OK
x ao
y
i
6
http://www.xiaoyu163.com
8
~
2-A
NO
NO
NO
NO
NO
IC601(5, 6, 7, 8, 11, 13, 16, 17, 18, 19, 20)
Q Q
3 6 7 1 3
NO
NO
NO
NO
IC801(3, 5, 7, 9, 11, 12, 14, 15, 17, 19, 21, 23)
NO
u163
.
DVH-3900MP/XZ/EW5
7
2 9 9 4 2 8
2-D
IC601(24)
IC601(15)
IC601(22, 23), IC401(1, 2)
IC601(21), IC401(6)
1 5 0 5 8 2 9 9 4
IC801(6, 20)
IC801(1, 2, 8, 13, 18, 24)
IC801(4, 22), IC401(3, 10)
CN801(1, 2, 3, 4, 8, 9, 12, 13)
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
23
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