LG-ID3100
LGE
LG Electronics Inc.
Earphone detect problem
1
Level of TP1 of CON301
is less than 1.4V?
Yes
No
Check soldering
the CON301
Re-solder or replace CON301
No
Yes
Change the earphone and then
insert to the handset
Does the audio
Profile of the phone change to
the earphone mode?
Re-download software
Yes
No
Does it work well?
4
Replace QSC6010
Yes
No
4
Change the main board
or QSC6010
41/57
LGE Internal Use Only