Mobile Terminal Is Dead - Nokia RM-11 Series Troubleshooting Manual

CC Technical Documentation

Mobile Terminal is Dead

Mobile
terminal is
dead
Mobile termninal
current is zero or
too high?
NO
Mobile terminal
current is
<=30 mA
NO
Mobile terminal
current is
35 mA
YES
Is mobile terminal in
Local Mode?
YES
OK restart
Issue 2 09/2005
If current is zero, check X100 to make sure
Vbat makes contact.
If current is too high, check for shorts.
Make sure all BB regulators are at their
respective voltage levels (VANA, VIO,
VCORE, VFlash1, and VR3). See phone's top
view diagram for test points.
Make sure the system Clk is 19.2MHz and that
the sleep Clk is 32KHz.
YES
Make sure PURX and SleepX signals are high
(1.8V).
Is mobile terminal
flash programming
YES
OK?
NO
Check BSI line X100,
R202, R203, and
NO
C230. Are they OK?
©2005 Nokia Corporation
Troubleshooting - Baseband
YES
NO
Change UEM
YES
NO
Confidential
RM-11
Mobile
terminal is
jammed
Flash
faults
Repair
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