User's Manual Part 2

T6T 300 Watt VHF Transmitter Page 119 Maintenance
(5) Remove the module from the chassis.
Refitting
To refit the PSU Regulation module, proceed as follows:
(1) While holding the module in position, connect the following connectors:
❑ CN8 3-way connector (2-wire loom to rear panel ac input connector plus chassis connection)
❑ CN9 2-way connector (2-wire cable ac input to power supply)
❑ CN3 3-way connector (3-wire loom from Drive module)
❑ CN1 4-way connector (4-wire cable from power supply)
❑ CN2 2-way connector (2-wire loom from dc input connector on rear panel)
❑ CN7 3-way connector (3-wire loom to rear panel On/Off switch)
❑ CN4 14-way connector (14-way ribbon cable to Processor module)
❑ CN6 6-way connector (2-way loom to power supply)
❑ CN5 10-way connector (10-way ribbon cable to PA Control module).
(2) Locate the module in position. Ensure no wires are trapped by the module.
(3) Secure the module to the drive assembly mainframe using the three M3 x 8 mm captive washer
screws removed during the removal procedure.
(4) Re-connect the six Amplifier Out connectors, CN1 to CN6.
(5) Re-establish the ac and/or dc supplies.
(6) Switch power on at the rear mounted Supply switch.
(7) Ensure the front panel Ready indicator is lit and the Alarm indicator is unlit.
(8) Carry out a BIT interruptive test as detailed in the procedure To Initiate a BIT Test on page 102.
(9) Set the rear panel Supply switch to Standby. Isolate the drive assembly from the ac and/or dc
supplies.
(10) Refit the drive assembly top cover. The drive assembly can now be returned to service.