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|  TM 11-5820-401-34-3/0967-LP-432-3060
4-.27.
SILICON VERSION A5200A SQUELCH AMPLIFIER ALINEMENT, OLD SQUELCH LEVEL. (CONT)
ALINEMENT PROCEDURE
Lift R-442/VRC A3000 tray (1). (See test setup diagram
.)
1.
2.
Connect attenuated probe A to TP5008 (2). Connect alligator clip B to ground.
3.
Adjust AN/GRM-114A VAR (deviation) control to obtain 1.5-vac reading on MM-100E.
4.
Check R-442 VRC/CALL light, If light is out, go to step 5. If light is on, go to step 6.
5.
CALL LIGHT OUT. Turn R5216 (3) counterclockwise slowly and stop at point where light just
comes on.
6.
CALL LIGHT ON. Turn R5216 (3) clockwise until light goes out, then perform step 5.
4-147/(4-148 blank)
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