LG KS660 - Charging error; Phone loses network

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Only for training and service purposes
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4. TROUBLE SHOOTING
4.7. Keypad back light trouble
Check Points
-Signal path is connected well
t
h
g
i
l
kca
B y
eK
4
0
7
D
Z
R
2
T
S
C
8
.
6
B
S
R
1
2
7
R
K
0
1
100K
R722
2
3
1
E
5
7
0
4
C
T
K
00
7Q
T
H
GI
L
K
C
A
B
_
Y
EK
N
E
_
M
W
P
_
Y
E
K
KEY BACKLIGHT
427
R
0
21
LD701LD700
VBAT
0
2
1
527R
0
21
727R
627R
02
1
LD703LD702
KEY_BACKLIGHT