LG GD580 - Page 110

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4. Trouble Shooting
START
Connect the phone to network
Equipment and setup call
Setup 1KHz tone out
Insert Headset.
Does the Headset icon
display on the main LCD?
YES
Does it work properly ??
Try again from the start
END
YES
YES
NO
NO
Change the main B’d
Check the signal level
at FB603(TP5) at the putting
Audio signal in MIC
Resolder FB603(TP5)
and try again.
If fail again,
Change the main B’d
A few hundred of mV
Of the signal measured
at FB603(TP5) ?
2
4.9.5 Headset MIC (Voice call, Video Telephony )
NO
change the Headset
or the main B’d