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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
91/140
CHECKING FLOW
4. TROUBLE SHOOTING
START
Does the SIM card
Support 1.8V ?
NO
Change the SIM Card.
This phone supports 1.8V SIM card.
YES
Is Voltage at the S1
of TP1 1.8V?
NO
Change the U102
NO
YES
ResolderTP1
YES
Voltage output
of VSIM LDO
Is 1.8V?
Change
the SIM Card and try again.
Does it work
Properly?
YES
SIM card is
properly working
redownload SW.
Does it work
Properly?
NO
Change the main board
NO
YES
SIM card is
properly working.
Содержание LG-A155
Страница 1: ...Service Manual Model LG A155 Internal Use Only Service Manual LG A155 Date October 2010 Issue 1 0 ...
Страница 121: ... 122 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...
Страница 129: ... 130 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ...