Pioneer AVIC-F910BT Service Manual page 54

1
QQ
Check 7: Is VD8, VCC5 power supply voltage OK?
3 7 63 1515 0
A
VD8_1
F.E. driver system
IC1002
VD8_2
REG IC
for VCC 5 V.
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.
B
NO. Check point
1 VD8_1 - PGND3
2 VD - PGND3
3 VCC5_1- AGND1
Side A
C
TE
L 13942296513
D
VD8_ 1
VD
Fig 7.2: VD8, VCC5 voltage check points
E
www
F
54
1
http://www.xiaoyu163.com
2
VCC5 (= 5.0 V)
Module No.
ALL
ALL
ALL
PGND3
x ao
y
. i
AVIC-X910BT/XS/UC
2
http://www.xiaoyu163.com
3
8
Power supply
for PU
Specification value Unit
8.0 ± 0.4 V
8.0 ± 0.4 V
5.0 ± 0.1 V
Q Q
3 6 7 1 3
u163
.
3
4
2 9 9 4 2 8
AGND3
VCC5_ 1
PGND1
1 5 0 5 8 2 9 9 4
m
co
4
9 9
2 8 9 9