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Page Title:
Section II. Disassembly and Reassembly |
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|  TM
11-5820-919-40-1
SECTION
II
DISASSEMBLY
AND
REASSEMBLY
AMPLIFIER/COUPLER
DISASSEMBLY
RIBBON
CABLE
A2W1
REMOVAL.
Procedures for disassembly of the
6-6.
NOTE
amplifier/coupler (A2) consist of remov-
ing the two modules, A2A1 and A2A2, rib-
Remove power amplifier and
bon cable A2W1, antenna mount, BNC con-
antenna tuner before attempt-
nector A2J1, and antenna select (A N T
ing removal of ribbon cable
SEL) switch A2S1.
A2W1 .
POWER
AMPLIFIER
A2A1
REMOVAL.
1.
Locate connector receptacle A2W1P1
(13) on the side of amplifier/coupler
1.
Place the amplifier/coupler so
housing (4).
that the cover assembly (10) is on top
and front face reads up-side down.
2.
Remove the mounting screws of
multipin connector A2W1J3 (12) which are
Remove the cover assembly (10)
by
2.
located on the opposite side of the
loosening the 8 captive screws (9).
amplifier/coupler unit just below multi-
pin connector A2W1J2 (49).
Disconnect the rf cables A1J1,
3.
3.
Remove screw and nut that mount
A1J2 (5) from the power amplifier module
terminal E1 to amplifier/coupler housing
assembly (11).
(4) adjacent to multipin connector
A2W1J3 (12).
4.
Loosen the 4 captive (Phillips
head) screws (8) that connect the power
4.
Remove the mounting screws (44)
amplifier module assembly (11) to the
for multipin connector A2W1J2 (49),
amplifier/coupler
housing
(4).
which are located on the opposite side
of amplifier/coupler unit, just above
Grasp the wire handle on the mod-
5.
multipin connector A2W1J3 (12).
ule and pull gently upward so that the
5.
Place amplifier/coupler so that
module is removed.
the battery connector P1 (37) faces
upward and remove the 2 mounting screws
ANTENNA
TUNER
A2A2
REMOVAL.
(38) with associated washers.
Place the amplifier/coupler so
1.
6.
Remove screw and nut that mount
that the cover assembly (1) is on top.
terminal E1 (48) to amplifier/coupler
housing (4) at the base of multipin
Remove the cover assembly (1) by
2.
connector A2W1J2 (19) adjacent to the
loosening the 8 captive screws (2).
capacitors (39).
Disconnect the rf cable A2J1 (16)
3.
CAUTION
from the antenna tuner module assembly
(14).
Use extreme care when removing
or replacing ribbon cables.
Loosen the 4 captive screws (3)
4.
Creasing or severe bending
that connect the module to the
will damage ribbon cables
amplifier/coupler
housing
(4).
internally.
5.
Grasp the module and pull gently
7.
Grasp ribbon cable support (45)
upward so that the module is removed.
and ribbon cable assembly (47) and
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