LG KP500 - Touch Pad Trouble

LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
5. Trouble shooting
- 91 -
5.11 Touch pad trouble
SIM Check Points
- Touch driver IC soldering`
- Touch FPCB Crack
TOUC
H
S
C
R
E
EN D
R
IV
E
R
IC
015
AV
05020S41CLVE
0
5
0
2
0S
4
1
C
L
V
E
1
15
AV
215A
V
0502
0
S41
C
L
V
E
IND
5
15R
0
50
2
0
S
41
C
L
V
E
9
0
5
A
V
1
1
0
2
3
4
5
6
7
8
9
G1 G
2
G3 G
4
CN503
A
X
K7
L
1
0
22
7
G
ENBY0018601
0
25C
u
1
.
0
u
1
91
5
C
V
F
M_2V9
A1
D
2
GND
B
1
P
E
NI
R
Q-
S
C
L
D
1
SDA
C1
A
2
V
D
D
_
R
EF
X+
A
3
X
-
C
3
Y+
B3
Y
-
D3
U
5
0
2
TSC2007IYZGR
EU
S
Y0
337
101
A0
B2
C2
A1
AUX
-
Y
+
X
-
X
L
C
S
_
C2I
A
DS_
C
2
I
-X
-Y
+
Y
T
N
I_
H
CUO
T
+Y
+X