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11-5820-919-40-1
Put the control panel back in the
3.
RIBBON
CABLE
W1
REPLACEMENT.
receiver/exciter housing (8). Make sure
the gasket (not shown) is in place.
CAUTION
Tighten the 6 captive screws (22)
4.
on control panel cover assembly (7).
Use extreme care when removing
POWER
SUPPLY
REPLACEMENT.
or replacing ribbon cables.
Creasing or severe bending
1.
Replace the shield by
tightening
will damage ribbon cables
the 5 screws (not shown).
internally.
Place the module so that the multi-
2.
pin connector A1A5P1 (16) and the jack
1.
Align ribbon cable and printed
on the receiver/exciter housing (8) are
circuit board assembly (25) with
aligned.
Carefully plug the module into
receiver/exciter housing (8); place
housing.
assembly into position.
Replace and tighten the 4 captive
3.
Place
circuit board Allen mounting
2.
screws (14) on the power supply module
screws (42)
into position and tighten.
(15), so that the module is fastened to
the receiver/exciter housing (8).
3.
Carefully
align multipin connector
A1A3J3 (37) and
push into place.
SYNTHESIZER
REPLACEMENT.
Inspect preform packing 0-rings
Replace if worn or
(30 and 35).
Align the synthesizer module (10)
1.
cracked. Lubricate (see table 5-1)
over
the receiver/exciter housing (8).
preform packings (30 and 35).
Slide
connector
J1
(29)
into
5.
CAUTION
place.
6.
Attach mounting nuts (28) to the
When replacing modules do
not
back side of connector studs (36) and
pinch rf cables between
tighten.
housing and module.
7.
Using screws and washers, align
screws
multipin connectors as follows:
Carefully plug the module into the
2.
38 for A1A3J3 (37), 39 for A1A1J2 (40),
receiver/exciter housing (8) so that the
32 for A1A2J4 (33).
multipin connector (not shown) and jack
8.
Tighten mounting screws on multi-
fit properly.
pin connectors A1A1J2 (40), A1A3J3 (37),
A1A2J4 (33).
Tighten the
5
captive
screws
(11)
3.
on the module.
CONTROL
PANEL
REPLACEMENT.
Align the ribbon cable (26) and
1.
multipin connector A1A4P1 (23); push
CAUTION
them together.
Insertion of miniature coax
connectors must be made
CAUTION
carefully without forcing.
Use only moderate force to
tighten screws that hold down
modules, covers, etc.
Reconnect the rf cables (9) A3J1,
4.
A3J2, and A3J3 to the module according
to the color code. Male connector
Tighten the 2 captive Allen screws
2.
should be perpendicular to module.
(24)
using the appropriate Allen wrench.
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