Remove the 2 mounting screws (38)
"Loosen the 5 captive screws (not
and washers for multipin connector
shown) connecting the shield to the
A1A3J3 (37) located on the back side of
Carefully fold back
connector A1A3J3 (37)0
the receiver/exciter so that
panel cover assembly (7) is
Remove the 2 mounting screws (32)
and washers for connector plug A1A2J4
One screw is located under
multipin connector A1A2J3 (37) ribbon
Do not place control panel
so that it will fall out when
captive screws are loosened.
Remove mounting screws (39) and
Flexible cable to housing
washers for multipin connector A1A1J2
could be damaged.
Remove receptacle connector J1
Loosen the 6 captive screws (22)
(29) by removing the two mounting nuts
on the control panel cover assembly (7).
(28) from the connector studs (36) and
pull connector (29) backwards, carefully
Pull the panel (7) out by grasping
folding, leaving circuit board mounting
the audio connector plugs A1A4J1 and J2
Allen screws (42) visible.
When control panel is dis-
Use extreme care when removing
attached from radio, care
or replacing ribbon cables.
should be taken to prevent
Creasing or severe bending will
damage ribbon cables
and ribbon cable
Remove printed circuit board and
cable assembly A1W1 (25); pull upward,
Loosen the 2 captive Allen screws
removing it from the receiver/exciter
Pull the ribbon cable (26) and mul-
connector (23) apart.
Procedures for reassembly of the
receiver/exciter consist of replacement
Perform the procedures in para-
of five modules A1A1 thru A1A5 and rib-
graphs 5-7 thru 5-11 before
bon cable W1 (fig 5-2).
attempting removal of W1.