Nokia NKC-1X Series Troubleshooting Instructions page 27

CCS Technical Documentation
Check TX SAW
input and output
power
IL: -3 dB
Is Itot 700...900 mA?
Check PA output power
and gain.
Output power: ~28
Gain: ~30 dB
Check PWRDET N930
insertion loss
IL< 0.3 dB
Check duplexer Z906 ,
diplexer Z907 and RF
connector X900
insertion loss
Dupl IL ~2.2 dB
Dipl ~0.35 dB
RF conn ~0.1 dB
Start Power control
troubleshooting
TDMA800
The transmitter chain is exactly the same as the AMPS-mode, except for the IPA current,
and thus it is important that the AMPS have no faults.
Issue 1 02/03
NOK
Change TX SAW filter
OK
NOK
dBm
OK
NOK
OK
NOK
OK
Nokia Corporation
Troubleshooting Instructions
Z905 or T961
Z905
or T961
Change PA N901
N930
Change PWRDET
N930
Change Z906 or Z907
or RF connector
NKC-1X
Page 27