Flash Faults - Nokia RH-66 Troubleshooting Manual

2115i/2116/2116i (RH-66)
Baseband Description and Troubleshooting

Flash Faults

Flash
Faults
Does the mobile
terminal set the
Flashbus TXD line
high after the
startup?
NO
Does the mobile
terminal set the
Flashbus TXD line
low after the line has
been high?
NO
Flash
Faults
Page 2
Page 38
Measure BSI pulse during
Flash programming. Is it
YES
Measure FBusRX (2.78V)
signal during flash
programming from
production pattern. Is it
Change
UEM
Measure test point
FBusTx (J2805) (1.8V) and
production pattern signal
YES
FBusTxO (2.78V) during
flash programming. Are
they the same?
Measure MBus (2.78V). Is
YES
©2005 Nokia Corporation
NO
OK?
YES
NO
OK?
YES
NO
YES
YES
NO
it OK?
Company Confidential
Check BSI line at
X2000, C2000, and
C2003.
Reflow or
change UEM
Change UPP
NO
Is there a pulse
on J2805?
YES
Is there a pulse
on FBusTx?
NO
Reflow or
change UEM
Issue 1 03/2005