LG KP170 - Page 64

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