LG -T300 Service Manual page 89

4. TROUBLE SHOOTING
CHECKING FLOW
START
< Cal l >
Check the state of
contact of speaker
Yes
Check the Audio signal
C228,C229,C239,C240
(TP01~04)
Yes
Check the Audio signal
FB206,FB207
(TP05,06)
Yes
Speaker
Working well!!
LGE Internal Use Only
No
Replace/Change speaker
No
Change the U102
No
Replace/Change the U203
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2. TROUBLE SHOOTING
START
< Mp3>
No
Check the state of
contact of speaker
Yes
No
Check the Audio signal
C228,C229,C239,C240
(TP01~04)
Yes
Check the Audio signal
No
FB206,FB207
(TP05,06)
Yes
Speaker
Working well!!
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