Power Does Not Stay On Or The Mobile Terminal Is Jammed - Nokia 1265 Description And Troubleshooting

Nokia Customer Care

Power Does Not Stay ON or the Mobile Terminal is Jammed

Mobile
Terminal
is Jammed
Measure VREG_MSMP,
VREG_MSMC,
VREG_MSMA, and
VREG_TCXO voltages.
Are they OK?
YES
Measure 32kHz Sleep
CLK , Is it OK?
YES
Measure 19.2MHz
RF CLK. Is it OK?
YES
Measure RESIN_N.
Is it high (2.8V)?
YES
MSM is defective,
phone can not be
repaired and must
be replaced.
Issue 1 04/2007
Check VPH_PWR, VREG_MSMP,
VREG_MSMC, VREG_MSMA,
NO
and VREG_TCXO capacitors.
Are they OK?
YES
Check "BSI" line
and VPH_PWR line.
Are they OK?
YES
Measure the 32 kHz
NO
clock crystal. Is it OK?
YES
Reheat solder joints or
change QSC6010
Measure the
19.2MHz CLK
NO
coming from the
TCXO. Is it OK?
YES
MSM is defective,
phone can not be
repaired and must
be replaced.
Reheat solder joints
NO
or change QSC6010
© 2007 Nokia Corporation
Baseband Description and Troubleshooting
NO
Reheat solder
NO
joints or change
QSC6010
NO
Change Y103
NO
Check/ reheat solder
joints/ change
VREG_TCXO, Y104
Compa ny Confidential
1265 (RH-103)
Repair capacitors, reheat
solder joints/ change
TCXO and QSC6010
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