LG -E455 Service Manual page 138

4.8.3 Receiver
Receiver control signals are generate by MT6575(U200), FSA2259(U400)
Yes
LGE Internal Use Only
START
Check the Receiver soundand
check receiver wire.
Hear the sound to the Receiver?
No
Receiver Wire is OK?
Yes
Change Receiver Module.
Can you hear a sound?
No
Check main board part L400,L401
No
Change Main Board
END
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4. TROUBLE SHOOTING
Resoldering receiver wire
No
Yes
Yes
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