Only For Training And Service Purposes - LG KP175 Service Manual

CHECKING FLOW
Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

START
Check the state of
contact of speaker
Yes
Check the Audio signal
R207,R204
Yes
Check the Power voltage
U201 = VBAT
And work properly ?
Yes
Speaker
Working well!!
4. TROUBLE SHOOTING
No
Replace/Change speaker
No
Change the U103
No
Change the U201
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