LG -ID3100 Service Manual page 43

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