Flash Programming Fault - Nokia 7600 Troubleshooting Manual

NMM-3
6-Troubleshooting

Flash Programming Fault

Start
Is the FBUS TX-
line HIGH after
startup?
Yes
Is FBUS TX-line set
LOW after it has
been HIGH?
Yes
Wrong
manufacture ID
and device ID
No
Possible short
circuit under TIKU
or program flash.
Replace or reflow
devices, Retest. OK?
Yes
End (reset)
Page 6-6
Company Confidential
Measure BSI-
pulse during
No
flash operation.
OK?
Yes
Measure FBUS
TX-line during
flashing. Is it
~1.8V?
Yes
No
Replace
Yes
Program
Flash D451
Phone is
No
dead
Copyright  2003 Nokia Corporation
Company Confidential
CCS Technical Documentation
Check BSI circuit
including X200,
No
R204, R209, R214
and C226. OK?
Check R403, if
OK replace
No
UEME D200.
Replace TIKU
D300
Issue 1 (11/2003)