Pioneer AVIC-D3/XU/UC Service Manual page 178

1
Check 4: Is VSENS OK?
CN1901
A
HOST I/F
VD8
VDD5
STANBY
XRES
B
Fig 4.1: Power supply configuration and VSENS
<Check> Check the voltage at the "VSENS" test point while the power is on.
Use the "DGND1" test point at the reference.
NO. Check point
1 VSENS - DGND1
C
Side A
D
E
Fig 4.2: VSENS check point
F
178
1
2
IC1003
detection IC
VCC33
IC1001
VCC12
DC/DC converter
Module No.
ALL
AVIC-D3/XU/UC
2
3
IC1501
DVD-LSI
VSENS
Specification value
Unit
VCC33 x 0.7 V
or more
DGND1
3
4
VSENS
4