Pioneer DVH-3900MP/XZ/EW5 Service Manual page 28

1
QQ
3 7 63 1515 0
A
Not available to illumination with button?
Checked the dimmer
Checked the LED Vdd?
B
Checked the LED?
C
Don't moved level dancing bar?
TE
L 13942296513
Checked the level
meter signal Input?
D
E
www
F
28
1
http://www.xiaoyu163.com
2
3-A
YES
control input?
YES
YES
YES
OK
3-B
YES
YES
OK
x ao
y
. i
DVH-3900MP/XZ/EW5
2
http://www.xiaoyu163.com
3
8
NO
F302, CN801(11), IC401(66), IC301(9)
NO
IC301(4), CN901(13)
NO
LD901 ~ LD923
Q Q
3 6 7 1 3
NO
IC601(25, 26), IC401(9, 54)
u163
.
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
4
9 9
2 8 9 9