AVH-P4400BH/XUUC
41
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Check 7: Is VD8, VCC5 power supply voltage OK?
VD8_1
VD8_2
VCC5 (= 5.0 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
Module No.
Specification value Unit
1
VD8_P - PGND1
ALL
8.0 ± 0.4
V
2
VD8_A - AGND1
ALL
8.0 ± 0.4
V
3
VCC5_1 - AGND1
ALL
5.0 ± 0.05
V
Side A
Fig 7.2: VD8, VCC5 voltage check points
F.E. driver
system
Power supply
for PU
REG IC
for VCC 5 V.
AGND1
VCC5_1
PGND1
VD8_P
VD8_A
Summary of Contents for AVH-4400BT/XUEW5
Page 87: ...AVH P4400BH XUUC 87 5 6 7 8 5 6 7 8 C D F A B E ...
Page 88: ...AVH P4400BH XUUC 88 1 2 3 4 1 2 3 4 C D F A B E 9 2 EXTERIOR 1 A D E B B C A C ...
Page 97: ...AVH P4400BH XUUC 97 5 6 7 8 5 6 7 8 C D F A B E ...
Page 149: ...AVH P4400BH XUUC 149 5 6 7 8 5 6 7 8 C D F A B E F F PCB UNIT SERVICE SIDE B ...