Park Air Systems T6TR, User Documentation

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T6TR VHF 50 W Transceiver Page 15 Maintenance
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Refitting
To refit the PA Control/Rx RF module, proceed as follows:
(1) Place the module in position. Ensure no wires are trapped by the module.
(2) Fit the seven M3 x 8 mm captive washer screws that secure the module to the transceiver’s
mainframe.
(3) Refit the following connectors to the module:
‰
CN7 SMB connector to the Rx antenna connection or to the connector from CN13 on the
PA module (see
Fig 2 )
‰
CN12 SMB connector to the CN13 on the PA module or Rx antenna connection (see Fig 2 )
‰
CN8 SMB connector (to Processor module)
‰
CN2 6-way connector (to PA module)
‰
CN4 SMB connector (forward power sense)
‰
CN3 SMB connector (RF drive)
‰
CN5 SMB connector (reference frequency)
‰
CN6 10-way connector (10-way ribbon cable from PSU Regulator module)
‰
CN1 50-way connector (50-way ribbon cable from Processor module).
(4) Re-establish the ac and/or dc supplies.
(5) Switch power on at the radio using the rear mounted Power switch.
(6) Ensure the front panel Ready indicator is lit and the Alarm indicator is unlit.
(7) Carry out the Calibrate routine using the Virtual Front Panel (VFP), as detailed in the procedure
To Calibrate the Transceiver on page 27.
(8) Carry out a BIT interruptive test as detailed in the procedure To Initiate a BIT Test on page 5 .
(9) Remove the VFP PC to radio interconnection lead and set the rear panel Power switch to
Standby. Isolate the transceiver from the ac and/or dc supplies.
(10) Refit the transceiver’s bottom cover. The transceiver can now be returned to service.