TM 11-5820-890-20-1
5.2. COMPONENT REPLACEMENT. Continued
c.
Vehicular Amplifier-Adapter (WA):
TO REMOVE:
TO REPLACE:
(1) Set VAA CB1 to OFF; if used. set LS-671 CB1 to OFF
(1)
Place VAA in either LOCAL or REMOTE
(refer to paragraph 5.3.b.)
(2)
Remove RT-A and RT-B (refer to paragraph 5.2.a.)
(2)
Position VAA on MB, slide into correct place
(3)
Remove RT-A PA (refer to paragraph 5.2.b.)
(3)
Push lever into locked position
(4)
If used, disconnect C-M cable from VAA J9
(4)
Tighten MB thumbscrews to secure VAA
(5)
If used, disconnect handsets from VAA
(5)
If used, connect RCU wires to VAA posts
E1 A&B/E2 A&B
(6)
If used, disconnect W4s from VAA
(6)
If used, connect C-M cable to VAA J9
(7)
If used, disconnect LS-454 cable from VAA J6
(7)
If used, connect LS-454 cable to VAA J6
(8)
If used, disconnect RT-B PA CX-13291 from VAA J11
(8)
If used, connect RT-B PA CX-13291 to VAA J11
(9)
If used, disconnect RCU wires from VAA
(9)
If used, connect W4s to VAA
E1 A&B/E2 A&B
(10) Loosen thumbscrews securing VAA to MB
(10) If used, connect handsets to VAA
(11) Pull lever forward until disengaged
(11) Replace RT-A PA (refer to paragraph 5.2.b.)
(12) Pull VAA straight forward to clear MB
(12) Replace RT-A and RT-B (refer to paragraph 5.2.a.)
(13) Set VAA CB1 to ON; if used, set LS-671 CB1 to ON
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