LG KG290 - General Functions - Messaging; Creating and Editing Messages

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4. TROUBLE SHOOTING
LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu
START
Is the voltage
at pin 1
of Q300 near
0V?
Vibrator will work
properly
Check Q300 or
replace it
Resolder vibrator
Yes
No
No
Check Vibrator contact
Replace Vibrator
Yes
Check the soldering of
vibrator at upper board
Checking Flow