CCS Technical Documentation
Baseband Troubleshooting Instructions
Issue 1 10/02
¤
Nokia Corporation
Page 45
Figure 51: Charging Faults
Charger
Battery bars
don`t work (scroll)?
Connect
(ACP-7)
charger.
Retest
No
Measure
voltage over V100
(TVS). Is it
> 3.0 Vdc?
Yes
Check X100,
V100, C103,
C100, F100,
L100, and
line.
No
Read
BTEMP value.
Compare it to
ambient temperature.
Is it ~ 25
ْ
C
(0319)?
Yes
Check
X101,C109
R202, C240,
R203, and line.
Remove
F100 (fuse) and
measure current. Is it
~ 350...390
mA?
Yes
Change UEM
No
Retest
Yes
No