User's Manual

T6T VHF 100 W Transmitter Page 10 Maintenance

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Refitting

To refit the Processor module, proceed as follows:

(1) Place the module in position. Ensure no wires are trapped by the module. Ensure jumper J2 on

the module is set to ‘T’ for transmitter (see Fig 1).

Fig 1 Processor Module JP2 Location

(2) Ensure the module interface connectors CN5 and CN6 are located correctly and are aligned with

the screw holes in the rear panel. Fit the four screwloc 8 mm-4-40 UNC screws and wavy

washers but leave them loose.

(3) Fit the seven M3 x 8 mm screws that secure the module to the transmitter mainframe, but leave

them loose.

(4) Using a 5 mm nut spinner tool, tighten the four screwloc 8 mm-4-40 UNC screws and wavy

washers that secure the connectors; then tighten the seven M3 x 8 mm screws that secure the

module to the transmitter mainframe.

(5) Refit the following connectors to the module:

❑ CN1 50-way connector (50-way ribbon cable from PA Control module CN1)

❑ CN3 14-way connector (14-way ribbon cable from PSU Regulator module CN4)

❑ CN4 34-way connector (34-way ribbon cable from Front Panel module CN1).

(6) Re-establish the ac and/or dc supplies.

(7) Switch power on at the radio using the rear mounted Power switch.

(8) Ensure the front panel Ready indicator is lit and the Alarm indicator is unlit.

(9) If a new module has been fitted, connect the VFP PC to the radio using the PC to Radio

Interconnection Lead, Park Air part number 17E12600001 (if not already connected). Note that

any module sent from Park Air as a spare for a particular radio will be programmed with

compatible operating and Fill software. Park Air keeps records of module software in all radios

supplied. Care must be taken when using a module removed from another radio as this module

may not have compatible software.

(10) Download the saved radio settings from file using the VFP. Alternatively the settings can be

edited by hand as described in the Operation section of this document. Once entered, ensure the

required settings appear in the VFP screen.

IC25

C84

TS7

IC27

JP2

Shown set for

transmitter

R/TR

IC21

IC20IC19

IC38