LG C1150 Service Manual page 78

Checking Flow
SETTING : After Initialize Agilent 8960, Test in EGSM, Connect PIF to the phone, and Power
on. Enter The engineering mode, and set 'Vibrator on' at Vibration of BB test
menu.
START
Is the voltage at pin 6
of Q202 near 0V?
YES
Check the soldering of CN301
YES
Check the soldering of
vibrator at LCD module
YES
Repl ace Vibrator.
VIBRAT OR WILL
WORK PROPERLY.
Check the soldering of R223.
NO
Repl ace Q202.
Resol der CN201.
NO
Resol der vi brator.
NO
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4. TROUBLE SHOOTING
Resol der R223.
NO