2-4
2.2.4
Remove Replace Power Supply
REMOVAL
(1)
Remove Cover as described in paragraph 2.2.2.
(2)
Loosen two screws and two washers (item 14) securing Power Supply (item 15) to
chassis (item 3).
(3)
Remove and Retain one screw (item 16) securing Power Supply to bottom of
chassis.
(4)
Slide Power Supply forward through window using partially loosened screws (item
14). Remove and retain two screws and two washers and remove Power Supply from
chassis.
REPLACEMENT
(1)
Slide Power Supply (item 15) part way into lower front panel window until screw
inserts are visible through chassis bracket holes.
(2)
Partially install screws and washers (item 14).
(3)
Grasp two screws (item 14) with fingers to position Power Supply into chassis
mounted connectors. Press into position from front panel.
(4)
Secure Power Supply to chassis with one screw (item 16) on bottom of chassis.
(5)
Tighten screws (item 14)
(6)
Replace Cover as described in paragraph 2.2.2.
2.2.5
Remove Replace RF Power Amplifier Module
REMOVAL
CAUTION
Do not adjust nut or shaft (item 19) protruding from
RF Power Amplifier Module. This is a Power
Transistor Mounting Stud.
(1)
Remove Cover as described in paragraph 2.2.2.
(2)
Disconnect coaxial connector (item 9) from Transceiver (item 8).
(3)
Disconnect Flat Cable from Distribution Board (item 23).
(4)
Remove and retain two bottom screws (item 17) and one rear screw (item 18) securing
RF (15W) Power Amplifier (item 20) to chassis (item 4). Note: 25W RF Power Amplifier
has four bottom screws (item 17) securing it to the chassis.
