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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
LGE Internal Use Only
START
NO
YES
YES
Check the L203,L204,CN201
Problem is solved?
NO
Change L203.L204,CN201
YES
NO
Change speaker module
Change the U103
Can you hear
the sound from
the earphone?
CHECKING FLOW
NO
Reassemble speaker module,
Can you hear the sound form RCV?
Receiver
Working well!!
YES
Receiver
Working well!!