Charging Fault - Nokia NHM–7 Series Troubleshooting Instructions
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Also See for NHM–7 Series:
- Service manual (212 pages) ,
- Troubleshooting manual (78 pages) ,
- Disassembly instructions manual (8 pages)
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NHM–7
Troubleshooting Instructions
Charging fault
Charger
Battery bar
doesn't work (scroll)
Yes
Measure voltage
over (TVS) V100.
Is it > 3.0 Vdc ?
Yes
Read BTEMP value.
(Compare it to ambient
temperature)
Is it ~ 25 C (0319) ?
Yes
Remove (fuse) F100
and measure current.
Is it ~350...390 mA ?
Yes
Page 12
Connect
(ACP–7)
charger
No
No
No
No
E Nokia Corporation
PAMS Technical Documentation
Retest
Check X100,
V100, C103,
C100, F100,
L100
and line
Check
X101,C109
R202, C240,
R203 and line.
Change UEM
Retest
Issue 1 10/2001
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Troubleshooting
