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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Start
Check t he volt age lev el
of U101 = Vbat?
No
Check
The b atte ry
Yes
Check t he Sig nal,
L100,L101
Yes
No
Check
U101
Check t he Sig nal,
R112,R113
No
Check
R112,R113
Solder
Check t he Sold er
Of Receiv er
Yes
No
Re-Asse mble or
Re-place Receiv er
Try again
or Ch ang e the Bo ard
Yes
CHECKING FLOW (Receiver)