User Guide

6015/6015i/6016i/6019i (RH-55), 6012 (RM-20)
Troubleshooting - Baseband Nokia Customer Care
Page 34 ©2004 Nokia Corporation Company Confidential Issue 1 - Revision 002 09/2004
Phone is Jammed
Phone is
jammed
Phone is
jammed,
page 2
Measure VIO,
VCORE, VFlash1,
VANA, and VR3
voltages. Are they
OK?
Measure 19.2MHz RF
Clk at C068. Is it
OK?
Measure PURX and
SleepX at test
points. Are they high
(1.8V)?
Measure 19.2MHz
Clk coming from
VCTCXO at C523
and R517. Is it OK?
Check G501. If not
OK, change G501.
Change UPP
Change UEM
Check VBATT, VIO,
VCORE, VFlash1,
VANA, VR3
capacitors. Are they
OK? (See phone top
view diagram for
capacitor locations)
Check BSI/BTEMP
lines and VBATT
lines. If OK, reflow
or change UEM.
Repair
NO
YES
NO
YES
NO NO
YES
YES
YES
NO