Nokia 7600 - Flash Programming Fault

NMM-3 Company Confidential
6-Troubleshooting CCS Technical Documentation
Page 6-6 Copyright  2003 Nokia Corporation Issue 1 (11/2003)
Company Confidential
Flash Programming Fault
Start
Is the FBUS TX-
line HIGH after
startu
p
?
No
Measure BSI-
pulse during
flash operation.
OK?
Check BSI circuit
including X200,
R204, R209, R214
and C226. OK?
No
Measure FBUS
TX-line during
flashing. Is it
~1.8V?
Y
es
Check R403, if
OK replace
UEME D200.
No
Replace TIKU
D300
No
Y
es
Is FBUS TX-line set
LOW after it has
been HIGH?
Wrong
manufacture ID
and device ID
Y
es
Y
es
Replace
Program
Flash D451
End (reset)
Y
es
Y
es
No
Phone is
dead
Possible short
circuit under TIKU
or program flash.
Replace or reflow
devices, Retest. OK?
No