- 78 -
LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
85/140
CHECKING FLOW
4. TROUBLE SHOOTING
START
Is FBTP8(JACK DETECT)
LOW?
NO
YES
Resolder TP1
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 t
he 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 TP 2
Resolder TP1
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 TP4, (Call)
or
Resolder
TP6,TP7,TP8,TP9,
TP10,TP11,TP12
Check the TP2 is LOW?
Resolder TP5
(Mp3)
Содержание LG-A155
Страница 1: ...Service Manual Model LG A155 Internal Use Only Service Manual LG A155 Date October 2010 Issue 1 0 ...
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