Pioneer DVH-P500UB Service Manual page 33

5
QQ
3 7 63 1515 0
Check 4: Is VSENS OK?
CN1901
HOST I/F
VD8
VDD5
STANBY
XRES
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
Side A
TE
L 13942296513
www
.
5
http://www.xiaoyu163.com
6
IC1003
detection IC
VCC33
IC1007
Regulator
IC1008
VCC12
DC/DC converter
Module No.
ALL
Fig 4.2: VSENS check point
x ao
y
i
6
http://www.xiaoyu163.com
8
IC1501
DVD-LSI
VSENS
Specification value
VCC33 × 0.7
or more
Q Q
3 6 7 1 3
u163
.
DVH-P5000UB/XN/EW5
7
2 9 9 4 2 8
Unit
V
1 5 0 5 8 2 9 9 4
DGND1
VSENS
m
co
7
8
9 9
A
B
C
2 8 9 9
D
E
F
33
8