Vibrator Trouble - LG C3100 Service Manual

Lg c3100 mobile phone service manual
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4. TROUBLE SHOOTING

4.10 Vibrator Trouble

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 3 of
Q500 near 0V?
Yes
Check the soldering
of R500
Yes
Check the signal level
of CN500
Yes
Replace Vibrator
Yes
Vibrator
Working!!
No
Check the soldering of
R501
Yes
Replace Q500
No
No
Re-solder Vibrator connector
- 60 -
No
Re-solder R501
Re-solder R500

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