Tri-Axial, Digital Acceleration Sensor Trouble - LG KP500 Service Manual

5. Trouble shooting

5.13 Tri-axial, digital acceleration sensor trouble

THREE- AXIS ACCELEROMETER
TP1
U302
1
TP2
N 1 C
2
D V
3
G N
4
C A E C I _ L T N I T N
5
C B S
BMA150
EUSY0345201
START
Check All of U302 solder
Check TP1 is
high (2.6V)?
Acceleration
sensor operated
Check TP2 is
high?(2.6v)
Assemble
LGE Internal Use Only
VIO_2V62
0 1
N 2 C
9
D D V D O I
8
D S I D
7
D S O
6
S K C
3 C 0 4
. 0 u 1
No
Yes
No
Yes
I C _ F D S A
C F I S _ L C
TP1
Change U300 or
Change Main PCB
Change R500
Copyright © 2008 LG Electronics. Inc. All right reserved.
- 94 -
U302
TP2
Only for training and service purposes