LG L1150 Service Manual page 78

START
Ins ert the earphone
into the headset.
Does the Audio profile change
to the earphone mode?
Set the audio part of test equipment
to PRBS or continuous wave mode
Can you hear the sound
from the earphone?
Yes
Go to page 74
2. Sending Path problem
cf) PRBS : Pseudo Random Bit Sequence
Go to page 73
No
1. Earphone detection problem
No
Soldering of C219, R216
is OK?
Yes
Soldering of J201
is OK?
Yes
The earphone is OK?
Yes
The ABB is out of order.
Change the board.
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4. TROUBLE SHOOTING
Resolder the
No
C219, R216.
Resolder the
No
J201
Change the
No
Earphone.