Pioneer AVH-3400DVD/XUEW5 Service Manual page 41

5
Check 7: Is VD8, VCC5 power supply voltage OK?
VD8_1
F.E. driver
system
VD8_2
REG IC
for VCC 5 V.
Fig 7.1: Power supply configuration
<Check> Check the voltage at the "VD8_P, VD8_A and VCC5_1" test point while the power is on.
Use the "PGND1 and AGND1" test point at the reference.
No. Check point
VD8_P - PGND1
1
VD8_A - AGND1
2
VCC5_1 - AGND1
3
Side A
VD8_P
VD8_A
Fig 7.2: VD8, VCC5 voltage check points
5
6
VCC5 (= 5.0 V )
Module No. Specification value Unit
ALL 8.0 ± 0.4
ALL 8.0 ± 0.4
ALL 5.0 ± 0.05
PGND1
AVH-3400DVD/XUEW5
6
7
Power supply
for PU
V
V
V
AGND1
VCC5_1
7
8
A
B
C
D
E
F
41
8