Section 3 MS2667C
3-46
Assembling 2nd CONVERTER
1
,1st LO Amp
2
, YTF
3
, 30GHz H.MIXER
5
.
(1) Assembling 2nd CONVERTER
1
.
Perform removing procedure (1) inversely.
(2) Assembling 1st LO Amp
2
.
Perform removing procedure (2) inversely.
(3) Assembling YTF
3
(For F2626)
If YTF is OPEN LOOP YIG FILTER (F2626), perform this assembling procedure.
If YTF is 30GHz YTF (MM200001A), please perform (4) assembling procedure.
1) Tighten the S4 screws.
2) Connect 30GHz H.MIXER’s connector to YTF
3
’s connector.
At this time, make sure that the lower surface cover of 30GHz H.MIXER is set parallel to Plate
4
. (Refer to
Fig.3-3-4)
S7
YTF
Lower surface cover
of H.Mixer
Mixer Angle
parallel
Plate
4
Fig. 3-3-4
3) Tighten the S7 screws. while making sure that the Mixer angle rests on the Plate
4
thoroughly with no gap
between them (Refer to Fig.3-3-4). If there are no S7 screws, perform procedure 4).
4) Tighten the S5 screws.
5) Attach the plate
4
and tighten the N1 nuts.
(YTF
3
, 30GHz H.MIXER
5
and 1st LO Amp
2
are Attached on the plate
4
).
(4) Assembling YTF
3
(For 30GHz YTF)
If YTF is 30GHz YTF (MM200001A), perform this assembling procedure.
If YTF is OPEN LOOP YIG FILTER (F2626), please perform (3) assembling procedure.
1) Connect 30GHz H.MIXER’s connector which is connected to YTF
3
.
At this time, make sure that the lower surface cover of 30GHz H.MIXER is set parallel to Plate
4
. (Refer to
Fig.3-3-4)
2) Tighten the S7 screws. while making sure that the Mixer angle rests on the Plate
4
thoroughly with no gap
between them (Refer to Fig.3-3-4). If there are no S7 screws, perform procedure 3).
3) Tighten the S5 screws.
4) Attach the 1st LO Amp
2
and tighten the S3 screws.
5) Attach the plate
4
and tighten the N1 nuts.
(YTF
3
, 30GHz H.MIXER
5
and 1st LO Amp
2
are Attached on the plate
4
).