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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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CHECKING FLOW (Receiver)
Start
Check the voltage level
of U101 = Vbat?
No
Check
The battery
Yes
Check the Signal,
L100,L101
Yes
No
Check
U101
Check the Signal,
R112,R113
No
Check
R112,R113
Solder
Check the Solder
Of Receiver
Yes
No
Re-Assemble or Re-
place Receiver
Try again
or Change the Board
Yes