Headset Microphone - LG lg530g Service Manual

4.19 Headset microphone

Headset -> MIC_ 2N( TP1 ) /MIC_2P ( TP2 ) -> QSC6270
START
Insert Headset & Make a call
Change the Headset
Sine wave appears at
TP1[MIC_2P]?
Change the MAIN board
LGE Internal Use Only
Yes
Yes
No
No
Yes
Change the User's Headset
Change MiniABB
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4. TROUBLE SHOOTING
Only for training and service purposes