LG -D385 Service Manual page 136

3.8.3 Receiver
Receiver control signals are generate by MSM8210(U2100)
LGE Internal Use Only
Check the Receiver soundand check receiver
Connector.
Yes
Hear the sound to the Receiver?
Change Receiver Module.
Can you hear a sound?
Check main board part TP1 L6450, L6451
Change Main Board
START
No
No
No
END
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3. TROUBLE SHOOTING
Yes
Yes
Only for training and service purposes