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|  TM
11-5820-919-40-1
Loosen and remove nut and washer
slowly pull backwards until the notched
2.
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
coupler housing.
3.
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
housing (4).
ANTENNA
SELECT
SWITCH
A2S1
Place
amplifier/coupler
housing
REMOVAL .
(4) so that multipin connector A2W1J3
Working from the back side of
(12) faces upward. Slowly lift up and
1.
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
2.
9.
Grasp the bottom of battery con-
loosening 2 Allen screws on the side of
nector A2P1 (37) and slowly pull ribbon
the knob.
cable assembly outward, separating bat-
tery connector from amplifier/coupler
3.
Remove the nut and lockwasher from
housing (4).
the threaded portion of the antenna
select switch (32) shaft.
Unsolder ribbon
cable assembly
10.
4.
Carefully pull antenna select
from battery connector
A2P1 (37).
switch downward, separating and removing
switch
from
amplifier/coupler
Grasp ribbon cable support (45)
11.
housing (4).
and ribbon cable assembly (47) and
remove from the amplifier/coupler
GROUND
A2E1
REMOVAL.
housing (4).
1. Working from the back side of the
ANTENNA
MOUNT
REMOVAL.
ground connector A2E1 (30) (not shown),
1.
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)
2.
and pull upward, removing ground from
Loosen and remove nut (36) at the
2.
base
of whip antenna mount.
amplifier/coupler housing (4).
LATCH
REMOVAL.
3. Remove lockwasher (35) terminal
lug E4 (34), and lower antenna
1.
Remove latch (21) by loosening and
mount (33).
removing 2 Allen screws (22). Use the
4.
Grasp upper antenna mount (25),
same procedure for removing bottom latch
(43).
pull upward separating upper antenna and
preform packing (27) from the amplifier/
coupler housing (4).
AMPLIFIER/COUPLER
REASSEMBLY
BNC
CONNECTOR
A2J1
REMOVAL.
Reassembly of the amplifier/
6-16.
coupler (A2) consists of the replacement
1.
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.
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