Harris Constellation - Preparing to Replace the Transmitter Assembly

Harris Corporation Constellation™
Field-Replaceable Units 12-9
FIELD-
REPLACEABLE
UNITS
Preparing to Replace the Transmitter Assembly
1. Obtain a spare Transmitter Assembly.
2. Ensure that the correct option of the Multiplier-Filter is installed onto the
Transmitter Assembly.
See Appendix C
for a table of options.
3. For procedure to replace a Multiplier-Filter, go to
page 12-10 .
4. For procedure to replace a Transmitter Assembly, go to
page 12-12 .
Note: To prevent damage to the
connectors, do not exceed 8 to 9
in-pounds of torque.
IF IN (from Modem)
RF OUT (to ACU)
Thumb screw (2)
Transmitter
output level
LO MON
LO synthesizer test point
(2.060 to 2.160 GHz)
(For factory use only)
REF MON
Reference frequency
test point
(100 MHz)
ON/OFF switch, turns the
power amplifier on or off
FAULT (red LED)
ON LINE (green LED)
TSL
GND
Handle
Caution: When measuring Tx
power at RF OUT, over torquing
may cause damage.
For on-line Tx, use monitor port
at front of ACU.
Refer to product documentation.