Nokia RH-41 Series Troubleshooting Instructions page 22

RH-41
Troubleshooting Instructions
Check input level at
diplexer (Z907) input
Y
Check input level at
duplex filter (Z906)
Y
.
Check input level at
LNA input (N801 pin
N14)
Y
Check RF level at
RX800 band filter
input (Z820)
.
MIX1Ain P/N
Y
Check RF level at
MIX1Ain P/N
Y
Page 22
Change EXT RF
N
connector
Change diplexer
N
(Z907)
Change duplex filter
N
(Z906)
Taco
Change RX800 Band
Filter
N
(Z820)
Taco
Change Taco (N801)
N
Nokia Corporation
CCS Technical Documentation
Note! Check all
components in
antenna circuit
before changing.
Z907
Note! Check all
components of front
Note! Check all
components around
Confidential
soldering and
soldering and
discrete
end.
Taco
soldering and
discrete
Taco before
changing.
Issue 2 09/2003