LG CE500 Service Manual page 57

4. TROUBLE SHOOTING
Earphone receiving path problem
2
Level of C211 and
C212 is about
1.2V
Yes
Check
soldering R211,
R210, C211,
C212, J201
Yes
Change
main board
Earphone detect problem
Earphone detect problem
1
Level of R212 is
about 2.8V?
Yes
5
Replace U202
4
No Download
S/W
Not good
Re-soldering
R211, R210,
C211, C212,
J201
No
No
Level of R206 is
about 2.8V?
Yes
Resolder
R212
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