Nokia 7600 - Diagnostics; Phone Is Dead

CCS Technical Documentation 6-Troubleshooting
Company Confidential NMM-3
Issue 1 (11/2003) Copyright  2003 Nokia Corporation Page 6-5
Company Confidential
Diagnostics
Phone is Dead
Start
Is phone
current 0 mA?
Y
es
Will the phone
power-up in
Test or Local
mode?
Replace
X200
No
Check BSI
circuit R204
OK?
Y
es
Replace
R204
No
With the phone in
LOCAL mode, using
Phoenix check battery
voltage, recalibrate if
necessary.
Y
es
No
Is flash
programming
working?
Y
es
No
Flash fault
Check X200
(contact and
solder joints).
OK?
No
Are VFLASH1 and
V
IO enabled
momentarily at
power up?
Replace
UEME
D200
No
Y
es
Check RF-CLK
at both sides
of C300. Is it
19.2MHz?
Check R822,
C300, C861,
C870 and
L899.
OK?
No
Y
es
Replace
G820
Y
es
Possible
problem with
TIKU, UEME, or
Memories.
Y
es
No
Replace
defective
part.
End