Nokia 6020b Instruction De Maintenance
Issue 1 03/2005
COMPANY CONFIDENTIAL
13
Copyright © 2005 Nokia. All Rights Reserved.
RM-31
6(a) - Baseband Troubleshooting Instructions
6(a) - Baseband Troubleshooting Instructions
Nokia Customer Care
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Phone is jammed 2
M e a s u re
P U R X s ig n a l
fro m te s tp o in t
J 2 8 0 0 . Is it 1 .8 V ?
C h a n g e U E M
N o
Y e s
R e te s t
J a m m e d
2
M e a s u re
2 6 M H z R F C lk
fro m J 2 8 1 5 .
Is it O K ?
Y e s
S e e W a v e fo rm 5
C h e c k R 2 9 0 2 a n d
C 2 9 0 2 . If o k
c h a n g e N 7 5 0 0 .
P a rt 2
Waveform 5