LG KG800 - Page 73

4. TROUBLESHOOTING
- 74 -
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
Is the voltage at R106 at MAIN PCB
near 0.7V?
Yes
Check the soldering of Vibrator
Resolder vibrator.
Replace Vibrator.
Replace DBB
Replace Q401
No
No
Yes
START
Is the voltage at pin 6
of Q401 near VBAT-0.7V?
Yes
No
Vibrator will work properly
Checking Flow