4. TROUBLE SHOOTING
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LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CHECKING FLOW
START
< Cal l >
Check the state of
contact of receiver
Receiver
Working well!!
Check the Audio signal
C507,C508,C539,C540
(TP01~04)
No
Yes
Change the U201
Replace/Change
Receiver Speaker
No
Check the Audio signal
L506,L507
(TP07,08)
No
Replace/Change the M501
Yes
Yes
START
< Mp3>
Check the state of
contact of speaker
Speaker
Working well!!
Yes
Check the Audio signal
L504,L505
(TP05,06)
Yes
Yes
No
No
No
Check the Audio signal
C507,C508,C539,C540
(TP01~04)