Glenayre Electronics Inc. GL-T8600-CN Manuel D’Utilisation
Glenayre Document Number: 9110.00172
DSP Exciter
Issue 1, Rev. I: 01/15/97
REMOVAL AND REINSTALLATION
Print Date: 02/19/97
Copyright © 1997 Glenayre
Page: 9-9
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9
9.5.1
Removal Procedure
1.
Remove jam nut and lock washer from connector J3 on rear of exciter. Save jam nut
and lock washer for installation procedure.
and lock washer for installation procedure.
2.
Remove five sem screws securing VCO/RF amplifier board to standoffs on exciter.
Save sem screws for installation procedure.
Save sem screws for installation procedure.
3.
Grasp VCO/RF amplifier board near connector P4. Pull up on board with a short ver-
tical motion to disengage connectors P4/P9/P10 from connectors J4/J9/J10 on exciter/
control board.
tical motion to disengage connectors P4/P9/P10 from connectors J4/J9/J10 on exciter/
control board.
4.
Remove VCO/RF amplifier board.
Procedure is complete.
9.5.2
Reinstallation Procedure
1.
Before installing VCO/RF amplifier board, verify that RF band includes desired
transmitter operating frequencies (refer to Section 10).
transmitter operating frequencies (refer to Section 10).
2.
Position VCO/RF amplifier board into place by inserting connector J3 through hole in
rear of exciter.
rear of exciter.
3.
Carefully align connectors P4/P9/P10 on VCO/RF amplifier board with connectors
J4/J9/J10 on exciter/control board and engage.
J4/J9/J10 on exciter/control board and engage.
4.
Secure VCO/RF amplifier board to standoffs on exciter using five sem screws saved
from removal procedure.
from removal procedure.
5.
Install lockwasher and jam nut to connector J3 on rear of exciter using lockwasher
and jam nut saved from removal procedure.
and jam nut saved from removal procedure.
Procedure is complete. After exciter is installed into transmitter cabinet, perform VCO2
adjustment procedure in Section 7.
adjustment procedure in Section 7.