Pioneer AVH-P4000DVD Service Manual page 43

5
QQ
3 7 63 1515 0
Check 7: Is VD8, VCC5 power supply voltage OK?
VD8_1
VD
Fig 7.1: Power supply configuration
<Check> Check the voltage at the "VD8_1, VD and VCC5_1" test point while the power is on.
Use the "PGND3 and AGND1" test point at the reference.
NO. Check point
1 VD8_1 - PGND3
2 VD - PGND3
3 VCC5_1- AGND1
Side A
TE
L 13942296513
PGND3
Fig 7.2: VD8, VCC5 voltage check points
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.
5
http://www.xiaoyu163.com
6
F.E. driver system
DISC detection LED
IC1004
VCC5 (= 5.0V )
REG IC
for VCC 5V.
Module No.
ALL
ALL
ALL
x ao u163
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7
2 9
8
Power supply
for PU
Specification value
8.0 ± 0.4
8.0 ± 0.4
5.0 ± 0.1
VD8_1
VD
AGND1
Q Q
3 6 7 1 3 1 5
VCC5_1
co
.
AVH-P4000DVD/XN/UC
7
9 4 2 8
Unit
V
V
V
0 5 8 2 9 9 4 2 8
m
8
9 9
A
B
C
9 9
D
E
F
43
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