LG GT350 - Page 87

- 88 -
LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
LG Electronics 84/115 LGE Property
U402 Solder
check
Resolder U402
Resolder or Replace
CN1
Yes
No
No
Check
T
ouch Signal
(If not replace front touch
p
anel
)
Yes
Yes
Replacd Main Board
U402
CN1 Solder check
STAR
T
CN1
LG Electronics 84/115 LGE Property
U402 Solder
check
Resolder U402
Resolder or Replace
CN1
Yes
No
No
Check
T
ouch Signal
(If not replace front touch
p
anel
)
Yes
Yes
Replacd Main Board
U402
CN1 Solder check
STAR
T
CN1