Nokia NHM-4 Series Assembly, Disassembly And Troubleshooting Instructions page 42

1+0
Flash programming doesn't work, 1
Flash
faults
Measure
BSI pulse,
MBUS_CLK,
FBUS RX DATA
when Flash start
All OK?
Yes
Measure
FBUSTX line
at test point J411
20ms after BSI pulse.
Does it go low, then
pulses ?
Yes
Try to
flash only
to PPM–file.
OK ?
No
Change
Flash,
test phone.
OK ?
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Check these lines
No
and X101,
C104, C240,
R202, R206
No
Yes
No
Yes
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Check R102
If OK –>
Change UEM
BT
faults
Change UPP
END
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