4. TROUBLE SHOOTING
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CHECKING FLOW
2. TROUBLE SHOOTING
START
< Cal l >
Check the state of
contact of speaker
Speaker
Working well!!
Check the Audio signal
C212,C213,C247,C248
(TP01~04)
No
Yes
Change the U102
Replace/Change speaker
No
Check the Audio signal
FB208,FB209
(TP05,06)
No
Replace/Change the U202
Yes
Yes
START
< Mp3>
Check the state of
contact of speaker
Speaker
Working well!!
Yes
Check the Audio signal
FB208,FB209
(TP05,06)
Yes
Yes
No
No
No
Check the Audio signal
C212,C213,C247,C248
(TP01~04)