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Microwave Converter
Model 1 1 79 3A
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
Attach the mixer assembly to the module base, but do not tighten the screws.
Tighten the connection to AT 1, then tighten the Mixer assembly screws.
Connect W
1
(in Standard instruments), W
19
(in Option 01
0
instruments), or W 17 (in Option 020
instruments) to the right port of the mixer (cable slots in module should be facing assembler).
Ensure that the radio frequency interference (RFI) shielding grommet cradles the cable in the
slot with the cable access slit facing to the side.
Connect W2 to S2, port #3. Ensure that the RFI Grommet
is
in place as above in step 9.
Repeat step 10 for W3 to S2, port #2.
Attach U2
to
the module cover.
Solder the orange wire to the U2 amplifier terminal.
Place filter clamp around FL1 and attach loosely to the cover.
Connect FL
1
to
U2.
Tighten FL
1
clamp.
Connect W7 to U3 and FL1.
Connect W8 to U2 and S2, port #4.
Secure module cover to base. Snug the screws down finger tight, then tighten the screws, working
from the center out.
Connect W12 to AlJ1.
42.
RF
Module Assembly Procedure for Option
001,
011,
&
021
Instruments
1.
2.
3.
4.
5.
6.
For Spira Shield (RF gasket) replacement, refer to step 1 under Paragraph 41 above.
Wrap and solder the control wires to the S1 and S2 terminals as follows: blue to
SI
terminal
1,
yellow to
S
1 terminal
2,
white/red to
S
1
terminal C(+);
green to S2 terminal
1,
brown to S2 terminal 2, orange, white/red to S2 terminal C(+).
With the cable slots of
MP
14 RF module facing towards the assembler, mount
S
1
(label up and
the ports pointing to the center of the module) in the right side of the module base; mount S2 in
the left side of the module base. Secure the switches with the four long Torxhead screws.
Connect AT1 to S2, port
#I.
Connect
U3
to the mixer bracket, ensuring that the mixer side port (which connects
to
the IF
output) faces opposite to the bracket mounting holes.
Connect U3 to
ATI,
but do not tighten.
34