Loosen and remove nut and washer
slowly pull backwards until the notched
area of circuit card is separated from
on bottom of BNC connector (28).
the raised portion of the amplifier/
Lift circuit card and
Grasp BNC connector (28) from the
ribbon cable assembly upward and forward
top and pull upward separating connector
until connector receptacle A2P1 (13)
and preform packing (29) from amplifier/
coupler housing (4).
is separated from amplifier/coupler
(4) so that multipin connector A2W1J3
Working from the back side of
(12) faces upward. Slowly lift up and
antenna select switch A2S1 (32),
carefully pull back ribbon cable support
(45) and ribbon cable assembly (47).
unsolder terminals 1, 3, 4, 5, and 8.
Remove antenna select knob (26) by
Grasp the bottom of battery con-
loosening 2 Allen screws on the side of
nector A2P1 (37) and slowly pull ribbon
cable assembly outward, separating bat-
tery connector from amplifier/coupler
Remove the nut and lockwasher from
the threaded portion of the antenna
select switch (32) shaft.
Carefully pull antenna select
from battery connector
switch downward, separating and removing
Grasp ribbon cable support (45)
and ribbon cable assembly (47) and
remove from the amplifier/coupler
1. Working from the back side of the
ground connector A2E1 (30) (not shown),
Remove ribbon cable support (45)
adjacent to antenna select knob (26),
loosen and remove nut and washer.
and ribbon cable assembly (47) as in
Grasp top of connector ground (30)
and pull upward, removing ground from
Loosen and remove nut (36) at the
of whip antenna mount.
amplifier/coupler housing (4).
3. Remove lockwasher (35) terminal
lug E4 (34), and lower antenna
Remove latch (21) by loosening and
removing 2 Allen screws (22). Use the
Grasp upper antenna mount (25),
same procedure for removing bottom latch
pull upward separating upper antenna and
preform packing (27) from the amplifier/
coupler housing (4).
Reassembly of the amplifier/
coupler (A2) consists of the replacement
Unsolder lead from terminal (not
of the two modules, A2A1 and A2A2, and
shown) of the back side of the BNC con-
the replacement of ribbon cable A2W1,
nector A2J1 (28), adjacent to upper
antenna mount, BNC connector A2J1, and
antenna mount (25).
antenna select switch A2S1.