Only For Training And Service Purposes - LG CU575 Service Manual

4. TROUBLE SHOOTING
Troubleshooting Flow
Check the pin and Insert
a Battery and TA
LGE Internal Use Only
Start
Connection OK?
YES
C808 is 5V?
YES
Pin 1 of U804 is 5V?
YES
Pin 1 of U802 is 5V?
YES
R414 is 5V?
YES
Change a main Board
No
Change 18pin connector
(CON801)
No
Change a TA
No
Change a U804
No
Change a U802
No
Change a U805
Copyright © 2007 LG Electronics. Inc. All right reserved.
- 82 -

Only for training and service purposes