Pioneer AVH-P4150DVD Service Manual page 42

1
QQ
Check 4: Is VSENS OK?
3 7 63 1515 0
CN1901
HOST I/F
A
V D 8
IC1004
V D D 5
Regulator
IC1005
DC/DC
converter
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
TE
L 13942296513
D
E
Fig 4.2: VSENS check point
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42
1
http://www.xiaoyu163.com
2
R1004,
V S E N
R1007
V C C 3 3
VCC12
Module No.
ALL
x ao
y
. i
AVH-P4150DVD/XN/RC
2
http://www.xiaoyu163.com
3
8
IC1501
DV5U
S
Specification value
Unit
0.95 - 1.07 V
VD8 = 8.0 ± 0.4 V
Q Q
3 6 7 1 3
u163
.
3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
VSENS
DGND1
m
co
4
9 9
2 8 9 9