Flash Faults 1 - Nokia NPL-4 Series Troubleshooting Instructions

NPL-4/5/RM-104
Troubleshooting Instructions

Flash faults 1

Flash faults
Phone doesn't set
FlashBus TxD line HIGH after the
startup?
No
Phone doesn't set
FlashBus TxD line LOW after the
line has been set HIGH
No
Flash faults
2
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Measure BSI pulse during
Yes Flash programming.
Is it OK?
Yes
Measure FBusTx line during
Flash programming (TP 411)
Is it HIGH (1.8V)?
Yes
Yes
Nokia Customer Care
Check BSI
line, X100,
No
C100, R203,
C220, R206
Check
FBUSTx line. If
No OK
Change
UEMEk
Change UPP
Issue 2 05/05