LG P7200 - Page 75

4. TROUBLE SHOOTING
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SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
Is the voltage at pin 6
of Q401 near 0V?
Yes
Check the contact state
of CN403
Re-contact 402
Check the soldering of
vibrator at Folder
Resolder vibrator.
Vibrator will work properly
Replace Vibrator.
Check the soldering
of R413.
Resolder R413.
Replace Q401
No
No
Yes
No
Yes
No
Yes
START
Check the Coaxial Cable
Replace Coaxial Cable
No
Yes
Checking Flow