Pioneer AVH-P3100DVD/XN/UC Service Manual page 47

5
QQ
Check 7: Is VD8, VCC5 power supply voltage OK?
3 7 63 1515 0
VD8_1
VD8_2
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
VD8_ 1
Fig 7.2: VD8, VCC5 voltage check points
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F.E. driver system
IC1002
REG IC
for VCC 5 V.
Module No.
ALL
ALL
ALL
PGND3
VD
x ao
y
i
6
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8
VCC5 (= 5.0 V)
Power supply
for PU
Specification value
8.0 ± 0.4
8.0 ± 0.4
5.0 ± 0.1
Q Q
3 6 7 1 3
u163
.
AVH-P3100DVD/XN/UC
7
2 9 9 4 2 8
Unit
V
V
V
AGND3
VCC5_ 1
PGND1
1 5 0 5 8 2 9 9 4
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
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