TM 11-5820-922-40-1
2. Attach washers and retaining nuts
3. Carefully fold the ribbon cable
to the threaded portion of the rear of
into position and solder rfi filter (22)
the connectors.
at E2, E4, E1, and E3.
3. Carefully fold ribbon cable back
into position and solder to TP1 and TP2.
4-29. ADJUST POTENTIOMETER R2
1. From the back of the amplifier-
4-32. TTY ON/OFF/SPKR ON
SWITCH S1
converter, align the potentiometer R2
(11) and push into place, so that the
threaded portion is visible from the
1. From the back of the amplifier-
front of the control panel (4).
converter, align and push switch S1 into
place so that the threaded portion of
2. From the front, attach the flat
the switch shaft (12) is visible from
washer (10), retaining nut (9) and jam
the front face of the amplifier-converter
nut (8) and tighten.
control panel (4).
3. From the back, solder potenti-
2. Replace washer (13) and retaining
ometer R2 to the ribbon cable at 3
nut (14) and tighten into position.
places.
3. Align knob (15) with switch shaft
(l2), push into place, and tighten 2
4-30. SELECT SWITCH S3
REPLACEMENT
Allen setscrews (16) on the side of the
knob.
1. Place key washer (2) and flat
4. From the back of the amplifier-
washer (3) on threaded portion of the
switch.
converter, carefully place the ribbon
cable in position , and solder the switch
2. From the back of the amplifier-
(S1) to the ribbon cable.
converter, align the switch (1) and
push into place so that the toggle and
4-33. SQUELCH SWITCH R1/S2 REPLACEMENT
threaded portion of the switch are
visible from the front of the amplifier-
converter control panel (4).
1. From the back of the amplifier-
converter, align and push the switch
3. Place key washer (5), flat washer
R1/S2 into place so that the threaded
(6), and retaining nut (7) onto threaded
portion of the switch shaft (12) is
portion of switch and tighten.
visible from the front of the amplifier-
converter control panel (4).
4. From the back, carefully fold the
ribbon cable back into position.
2. Replace washer (13) and retaining
nut (14) and tighten into position.
5. Solder terminal points at the rear
of switch (1) at 2 places to the ribbon
3. Align knob (15A) with switch shaft
cable.
(l2), push into place, and tighten 2
Allen setscrews (16) on the side of the
4-31. METER CONNECTORS TP1 AND TP2
knob.
4. From the back of the amplifier-
1. From the front of the amplifier-
converter, solder R1/S2 to the ribbon
converter, align meter connectors (13
cable at 5 places.
and 14) and push into place.