CCS Technical Documentation
Troubleshooting
RH-21
Issue 1 05/2003 Confidential
Nokia Corporation
Page 23
Check RF level at RX
IF filter output at
135.54 MHz
Change SAFARI
(N801)
Check RF level by
L730 without having
electrical contact at
271.08 MHz
Note !
Check all discrete components and
voltages around SAFARI
Check RF level at RX
IF filter input at 135.54
MHz
Check RF level at J751
and J752 at 2034.06
MHz
N
Y
Y
N
Y
N
Y
Start synthesizer
troubleshoot
N
Change RX IF filter
(Z830)
Start synthesizer
troubleshoot
Check RX I and Q
signals at I: J801(+),
J803(-) and Q:
J804(+), J802(-)
N
Change SAFARI
(N801)
Check UEM and start
baseband troubleshoot
Y
