Filter
Top Products
- 91 -
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
`WVXZZ
CHECKING FLOW
2. TROUBLE SHOOTING
START
YES
Earphone will
work properly
Can you hear
Your voice from
the earphone?
Set the audio part of
the test Equipment
to echo mode
Change the
earphone
and try again
NO
Can you hear
the sound from
the earphone?
Set the audio part of the
test equipment to PRBS
or Continuous wave mode
YES
YES
Resolder J201
NO
YES
Can you hear
the sound from
the earphone?
NO
Change the
earphone
and try again
NO
Can you hear
Your voice from
the earphone?
NO
Resolder
FB205,FB206
C210,C209
(Call, MP3)
Resolder
C255,C256
or Change the
U202 & U101
Check the
Display on ear-jack
detect icon