Nokia RM-12 Troubleshooting Instructions page 51

RM-12
Charging
Note! OMAP, UEM and UPP are unchangeable.
Not
charging
NO
Connect
service battery
and read BSI
by Phoeni x
75kohm
100kohm
YES
NO
Connect charger
and read Vchar
voltage by YES
Phoenix ACP-12
5.7V
NO
Perform EM
calibration by
Phoenix and
JBV-1
Connect charger
and read Vchar
voltage by YES
Phoenix ACP-12
5.7V
NO
NO
Flash phone SW
Charging OK
NO
Disassemble
phone. Check
charger connector.
Issue 1 11/2004
Perform EM Read BSI by
calibration by Phoenix. With
Phoenix and servce battery
100kohm
JBV-1 75kohm
YES
Charging OK
Flash phone SW
Disassemble
Charging OK NO phone and change
Charging OK
Measure Vchar
from fuse F2020
5.7V
YES
YES
Measure Vchar
from L2020 5.7V
COMPANY CONFIDENTIAL
Copyright © 2004 Nokia. All Rights Reserved.
NO Flash phone SW
Read BSI by
Phoenix. With
YES
servce battery
75kohm
100kohm
YES
Change R2201
and R2202
Perform EM
calibration by
Phoenix and
R2200
JBV-1
NO
Change fuse
NO
F2020
Measure Vchar
from fuse F2020
5.7V
NO
Change fuse
F2020 and V2020.
YES
NO
Nokia Customer Care
Disassemble
NO phone and check
Battery contacts .
Phone in jig.
Measure
voltage on
R2202, Normal
mode 1.3V
NO
Charging OK
NO
Change UEM
D2200
Charging OK
Change L2020
49