TM 11-5820-922-40-1
(Figure 4-4, Sheet 1).
CONNECTOR ASSEMBLY REPLACEMENT
1. Align the speaker (24) with
mounting holes on the front face of the
1. Align audio filter (28) with
amplifier-converter housing (12) with
appropriate holes in amplifier-converter
the speaker terminals (25) facing
housing (12).
upwards.
2. Push audio filter (28) into
position so that the threaded portion of
2. Solder the speaker wires (26) onto
speaker terminals E5 and E6 (25).
the connectors is visible from the front
of the amplifier-converter housing (12).
3. Align the speaker cover (23) with
the speaker (24) and push them together.
3. Attach 2 connector rings (17) to
connectors J2 (30), J1 (31) and tighten.
4. Align the speaker assembly (22)
with the mounting holes in the Amplifier-
4. At the back side of the audio
converter housing (12), and carefully
filter (28), tighten captive screw (7).
push into place and tighten the
4 captive screws (21).
5. Solder ribbon cable to the audio
filter at the following locations: E6,
E5, E2, E3, E4, E1, E7, and E8.
REPLACEMENT (Figure 4-4, Sheet 1).
CAUTION
1. Align TTY-FSK converter connector
Use extreme care when removing
P1 (35) with J3 (inside the housing
or replacing ribbon cables.
Creasing or sharp bending will
(12)) and carefully push into place.
damage ribbon cables
2.
Tighten the 4 captive screws (37).
internally.
1. Align the ribbon cable so that
REPLACEMENT (Figure 4-4, Sheet 1).
connectors J4 (6) and J3 (1) are aligned
with internally-threaded mounting stand-
1. Align amplifier-squelch connector
offs (10 and 5).
P1 (33) with J4 (inside the housing
(12)) and carefully push into place.
2. Carefully push connectors J4 and
J3 into position and tighten connector
retaining screws (7 and 2).
2.
Tighten the 4 captive screws (3).
3. Solder ribbon cable at the
REPLACEMENT (Figure 4-4, Sheet 3).
following terminals; E6, E5, E2, E3,
E4, E1, E7, E8 (located on the audio
filter); fuseholder XF1 2 places;
1. Align EMI filter (25) with rear
cover (6) and push into position.
squelch control R1/S2 5 places; loop
current test points TP1 and TP2; loop
2. Align connector rings (3) with
current adjust R2 3 places; TTY KEY E1
connectors J5 (26), J6 (19) and tighten
and E2; DC loop E3 and E4; binding posts
E1-E2 and E3-E4; loop current select S3
into position.
2 places; E5; E6; and E7 located above
3. Align E9 ground assembly (21) and
J3; TTY ON/OFF/SPKR ON switch S1 12
tighten into place securing screw (22),
places. Resolder EMI filter cable
locking ground lug (23), and flat washer
assembly at E8, E9, E10, E11, E12,
and E13 located between J3 and J4.
(24).
