LG -T300 Service Manual page 108
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Also See for LG-T300:
- User manual (131 pages) ,
- User manual (139 pages) ,
- User manual (35 pages)
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CHECKING FLOW
Check supply voltage of U301
C313, C315 (TP01~02)
Check I2C signal of U102
R122, R123 (TP03~04)
Check touch signal
C340, C341, C342, C343
Check CN301 and
touch pannel contact
Resolder CN301 or replace
touch pannal
Touch will work
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
START
Yes
Yes
(TP05~08)
Yes
Yes
Yes
properly
2. TROUBLE SHOOTING
Resolder or Replace U102
No
Resolder or Replace U301
No
Contact well CN301 and
touch pannel
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4. TROUBLE SHOOTING
LGE Internal Use Only
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