Charging Fault - Nokia NSB-9 Service Manual

NSB-9
Troubleshooting Instructions

Charging fault

Charging
fault
Connect
charger
ACP
( -7)
Battery bar doesn´t
work (scroll)
Yes
Measure voltage
over V100 Is it > 3.0
Vdc?
Yes
Read BTEMP value.
(Compare it to
ambient temperature)
Is it ~25 C (0319)?
Yes
Measure charger
current through F100.
Is it ~350...390mA
with ACP-7?
with ACP-7?
Yes
Retest
Page 60
No
Retest
Check X101,
No
X102, F100, L100,
V100, C100, C101
and charger line.
Check X100,
No
C114, R202,
C220, R207 and
line. Are they OK?
No
No
Check R200. Is
it OK?
Change defected part,
recalibrate charge
current/voltage.
Nokia Corporation
CCS Technical Documentation
Change defected
part
Yes
Change defect ,
re-calibrate and
Yes
Change UEM
No
Re-calibrate
BTEMP and
retest.
retest
Issue 1 04/03