LG KE520 Service Manual page 94

Check the soldering of
C211, C213,C216, C217
YES
Play the Ring tone.
Check the C211(SPKNA),C213(SPKPA)
The signal is a Analog
Check the Speaker
contact PAD of the F-PCB
U201
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Only for training and service purposes
2
Soldering is OK?
- 95 -
4. TROUBLE SHOOTING
NO
Resolder the C211,
C213,C216, C217
NO
U102(ABB) is broken.
Change the board.
LGE Internal Use Only