Tx Vhf - Nokia NKC-1X Series Troubleshooting Instructions

NKC-1X
Troubleshooting Instructions

TX VHF

The TX VHF signal is used to generate transmitter Intermediate frequency. TX VHF VCO
has one fixed frequency 361.08. Operating frequency is locked in Phase locked loop. TX
VHF VCO output signal is divided by 2 and fed to the modulator.
3
Replace TACO
Page 32
Figure 17: Fault tree: TX VHF
START HERE
OK
Is frequency
locked to
2.No
361,08 MHz?
1.No OK
2
Check resonator
components:
L746, C720, C721 and
R721
Nokia Corporation
CCS Technical Documentation
Yes
OK
Issue 1 02/03