Ear Mic Working - Samsung GT-S5570 Service Manual

Level 3 Repair


Ear MIC Working

Operate MIC
NG
Pollute
MIC Hole?
NO
Check C508,
C511, C512
YES
Check
Mic_Bias(L500)
YES
Change Earphone
YES
NO
NO
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Clean up
MIC hole
Resoldering
C508, C511, C512
Resoldering C504 or U635,
L505, C507, C514 And If Mic_Bias
is low, Resoldering or Replace
8-26
UCP300