LG KM710 Service Manual - Page 98
Vibrator Trouble Shooting
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4. Trouble Shooting 4.21 Vibrator Trouble Shooting z Vibrator operation scheme is shown below VIBRATOR C101 1u OUT100 OUT101 z Vibrator Trouble START Soldering check Check the voltage of CN800Voltage is 2.7? YES Check the soldering of CN801 YES Check the Main FPCB YES Check the voltage of vibrator OUT100 & C101 Voltage is 2.7? YES Check the wiring of Vibrator YES NO ABB(U101) has a problem. Replace U101 or change the board NO Check the condition of CN801(Main) If problem, Re-solder the CN801 NO Change the Main FPCB NO Re-solder OUT100 & C101 NO Fix the wires or replace the vibrator Vibrator has a problem. Change Vibrator Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 99 - LGE Internal Use Only
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