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6)
Inspect the accessory filter to be sure that the
pins are straight.
If
they are not, straighten
them uery carefully with a minimum of force.
7)
Remove the lockwashers and nu ts from the two
studs and instan the filter in the selected location
by aligning the pins and ~tuds with the holes on
the IF Selectivity Board, pressing the filter
straight clown onto the board. Use a minimum of
force; if all parts are properly aligned, the filter
should drop in with ease.
8)
Check to be sure tha t no wires are pinched be-
tween the filter and the board and instan the lock-
washers and nuts on the two filter mounting studs
that were removed in the preceding step. Solder
the three filter pins to the associated circuit foils
on the board.
9)
Inspect the board for solder splatters or bridges,
pinched wires, etc. and correct any defects.
1 O) Reinstall the IF Selectivity Board, making sure
to align the board connectors with the pins on
the Parent Board.
11) Reinstan the coax cables and NB Board. Route
the cables through grommets · as befare.
12)
Reinstan the top cover wi th 14 screws. Be care-
ful not to overtighten these screws.
13)
Reinstall the cabinet wraparound with eight
screws in the bottom.
14)
Reconnect the TR-7 to other station equipment.
The accessory filter ( s) installed will be selected
when the appropriate button (s) on the front panel
of the TR-7 is depressed. See the TR-7 Operator's
Manual for additional information.
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