INSTRUCTIONS:
(Cont'd)
G.
TO
REINSTALL
OSCILLATOR
ASSEMBLY
( ) 1. Reinstall the
oscillator
assembly in the instrument using the hard-
ware
removed
in Step
A-10.
Two
6-32
screws in the
back
end
and
two
6-32
nuts in the
front.
( ) 2. Reinstall the 4-40 screw
below
the tuning
shaft
that
fastens the
dial housing to the
front
panel.
( )
3.
Reinstall the
Tuning
knob
and
the
Band
Switch Lever,
and
switch the
Band
Switch to
check
for proper
knob
position.
The
knob
position
can
be
adjusted
by
moving
the switch
lever
on
the coupling rod.
Reconnect wires to connector block
on
chassis
as
follows:
( ) 4. White-blue wire to
Pin
J.
( )
5.
White-violet wire to
Pin
I.
( )
6.
White-black wire to
Pin
E.
Connect
wires to
oscillator
connector board terminals
from
top to
bottom
as
follows:
( )
7.
White
wire (ground).
( ) 8. White-black-brown wire.
( )
9.
White-brown-green wire.
( )
10. White-black wire.
( ) 11. Reconnect the sub-miniature coaxes
removed
in Step
A-9
and
connect the
coax
from
the
LO
output
on
the
Band
11
C
11
oscillator
to
J45
on
the
IF
Multiplexer
and
connect the
Phase
Lock
connector
on
the
Band
11
C
11
osc-
illator
to Jll40
on
the
Phase
Lock
Assembly.
( ) 12.
Dress
the three wire ribbon cable
from
the
oscillator
circuit
board
back
and
through the chassis. Solder the white-orange wire to the
ground
solder
lug
on
the
power
supply chassis near
C954.
The
connector will
be
connected to the
new
-20 Volt
Power
Supply in
Step
H-8.
Page
7
of
9
050-0692-02
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