Phone Is Jammed - Nokia RH-6 Series Baseband Description & Troubleshooting

RH-6
6 - BB Description & Troubleshooting

Phone is jammed

Phone is
jammed
Measure V ,
IO
V ,V ,V and VR3
CORE Flash1 ANA
voltages.
Are they OK?
Yes
Measure
32.768KHz sleep
clock form J404.
Is it OK?
Yes
Measure 26MHz
RFClk form R420.Is it OK?
Yes
Measure PURX
signal from testpoint J402.Is it
high(1.8V)?
Yes
Jammed
page2
Page 54
Company Confidential
Check VBATT1-6,VIO,
No
VCORE,VFlash1,VANA VR3
lines.Are they OK?
Measure
No
SleepClk from B200. Is it
OK?
Measure
No
26MHz from B601.Is it
OK?
No
© 2003 Nokia Corporation.
CCS Technical Documentation
No
Yes
No
Yes
No
Yes
Check L260-L265,
C260-C265,BSI line
and BATT line.
Check BSI/BTEMP
lines,If OK,
UEM regulators are
not working,change
UEM.
Check
B200,C209,C210
Change UEM
Check
R610,C603,605,606,
607,R617.If
OK,change N601.
Check
R420,C420.R426,C4
26.If OK,change
UPP.
Change UEM
Issue 1 10/2003