LG GT350 - Page 77

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4. TROUBLE SHOOTING
LG Electronics 74/115 LGE Property
STAR
T
Replace MIC
Yes
No
No
Check microphone sound
hole
Replace PCB
Yes
No
MIC Bias
ON?(2.5V) When
Call? (L303)
Assemble
MIC work
properly?
Check mic. Bias line
MIC Siganl OK?
(L301,L302)