User Guide

NHM-4
CCS Technical Documentation
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Flash programming doesn’t work, 1
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Flash
faults
Measure
BSI pulse,
Check these lines
and X101,
C104, C240,
R202, R206
No
FBUSTX line
at test point J411
20ms after BSI pulse.
Does it go low, then
pulses ?
Yes
Check R102
If OK –>
Change UEM
No
Yes
Try to
to PPM–file.
Yes
No
MBUS_CLK,
FBUS RX DATA
when Flash start
All OK?
Measure
Change UPP
END
Yes
No
Change
flash only
OK ?
Flash,
test phone.
OK ?
faults
BT