User's Manual

EX7100 Technical Manual - Module Descriptions
©1999 Exicom Technologies (1996) Ltd 7-12 Issue 3 - May 2001
Figure 7.8: VHF Transmitter Module Fault Diagnostic Tree
Begin
Module RF output on
correct frequency &
at correct level?
Output Filter
correctly
tuned?
Pow er, Tx
Temperature &
VSWR
measurements ok?
Tune Transmitter
output
Yes
No
No
No
Suspect that
Transmitter module is
faulty
Yes
Replace Transmitter
module
Caution:
Antenna
output
mus t be
terminated in 50 Ohms
Yes
Suspect that
Transmitter module is
faulty
Replace Transmitter
module
Transmitter module
appears to be fault-free,
suspect that another
Module is faulty
Finis h