Table of Contents
Advertisement
4. TROUBLE SHOOTING
Checking Flow
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
Is the voltage at pin 3
of Q600 high (0.66V)?
Is the voltage at pin 2
of Q600 low (2.3V) ?
Is the voltage at pin 1
of Q600 high (VBAT) ?
LGE Internal Use Only
START
NO
YES
NO
YES
NO
YES
Check the soldering
of vibrator ?
YES
Replace vibrator
YES
Vibrator
Working well !
Check the soldering
of R611, R614
Check the soldering
of R604,R609
Check the soldering
of R603, Q600
NO
Resolder or Replace vibrator
Copyright © 2007 LG Electronics. Inc. All right reserved.
- 56 -
Only for training and service purposes
Advertisement
Table of Contents
