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Nokia NHM-4 Series Assembly, Disassembly And Troubleshooting Instructions page 44

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Charging troubleshooting
Charger
Battery bar
doesn't work
(not scrolling)
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
3DJH 
)LJXUH 
Connect
(ACP–7)
charger
No
No
Is grip OK ?
No
No
È1RNLD &RUSRUDWLRQ
&&6 7HFKQLFDO 'RFXPHQWDWLRQ
Retest
Check X100,
V100, C113
C118, C112
F100
and line
Change grip
Check
X101,C104
R202, R207
C220
and lline
Change UEM
Retest
,VVXH  

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