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User's Manual

ManualsBrandsTechnisonic Industries ManualsElectronicsVHF/AM SINGLE CHANNEL TRANSCEIVER
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2-3
(6) Move the transceiver module slightly back from the front panel and disconnect the
flat cable connecting the front panel assembly to the transceiver module, audio
interface board A3. The connector is located on the A3 board.
(7) Lift transceiver module clear of chassis.
REPLACEMENT
(1) Position the transceiver module into the chassis. While holding the transceiver
module slightly back from the front panel, re-connect the flat cable from the front
panel to the A3 board in the transceiver module.
(2) Position and secure transceiver module to front panel with four countersunk
screws.
(3) Re-connect flat cable to transceiver module. Secure flat cable to the side of
transceiver module with two screws and two washers. Connect flat cable running
out of the transceiver module to the external memory set board. Connect DC and
RF connectors to rear of transceiver module.
(4) Replace and secure the top cover of the transceiver module with the screws
removed in step (3) of the REMOVAL instructions. Replace top dust cover as
described in paragraph 2.2.1.
2.2.3 Remove Replace External Single Channel Memory Set Module A5A1
REMOVAL
(1) Remove dust cover as described in paragraph 2.2.1, remove top cover of
transceiver module.
(2) Disconnect the two crystal filter co-axial cable leads for jumper J2/P3 on the Rx/Tx
module A1, located in the transceiver module.
(3) Remove and retain four screws securing Memory Set Board, Module A5A1 "piggy
back" to the standoffs on the power supply cover. (See Figure 2-1 for location).
REPLACEMENT
(1) Secure the Memory Set Module to the stand-offs located on the power supply cover
by the four screws. Re-connect coaxial leads for RF crystal filter.
2.2.4 Remove/Replace Control Board
REMOVAL
(1) Remove dust cover as described in paragraph 2.2.1.
CAUTION Care must be taken when removing or replacing Control Board to avoid
damage to Motherboard Connector Pins.
(2) Remove and retain four screws securing Control Board "piggy back" to the Mother
Board standoffs. Remove Control Board from Mother Board.