Anritsu MS2665C - Disassembling;Assembling Units and Components on Lower Surface

3-45
3.3 Mechanical configuration
3.3.4 Disassembling/Assembling Units and Components on lower surface
Caution :
30GHz YTF (MM200001A) is attached to the plate
4
, to form the module, by the S4 screws which is tightened at
pre-determined torque of 6kg. If torque of the S4 screws is changed, the performance specification of 30GHz YTF
will be affected.
Therefore 30GHz YTF must not be disassembled from the plate
4
.
Removing 2nd CONVERTER
1
,1st LO Amp
2
, YTF
3
, 30GHz H.MIXER
5
.
(1) Removing 2nd CONVERTER
1
After 3.3.1 (2) removing procedure, remove the S1/S2 screws and remove the 2nd Converter
1
to pull backward.
(2) Removing 1st LO Amp
2
After 3.3.1 (2) removing procedure, remove the S3 screws and remove the 1st LO Amp
2
.
(3) Removing YTF
3
(For F2626)
If YTF is OPEN LOOP YIG FILTER (F2626), perform this removing procedure.
If YTF is 30GHz YTF (MM200001A), please perform (4) removing procedure.
1) After 3.3.1 (2) removing procedure, remove the N1 nuts and remove the plate
4
(YTF
3
, 30GHz H.MIXER
5
and 1st LO Amp
2
are Attached on the plate
4
).
2) Remove the S5 screws.
3) Loose the S7 screws. If there are no S7 screws, perform procedure 4).
4) Disconnect 30GHz H.MIXER’s connector which is connected to YTF
3
.
5) Remove the S4 screws.
(4) Removing YTF
3
(For 30GHz YTF)
If YTF is 30GHz YTF (MM200001A), perform this removing procedure.
If YTF is OPEN LOOP YIG FILTER (F2626), please perform (3) removing procedure.
1) After 3.3.1 (2) removing procedure, remove the N1 nuts and remove the plate
4
(YTF
3
, 30GHz H.MIXER
5
and 1st LO Amp
2
are Attached on the plate
4
).
2) Remove the S3 screws and remove the 1st LO Amp
2
.
3) Remove the S5 screws.
4) Loose the S7 screws. If there are no S7 screws, perform procedure 5).
5) Disconnect 30GHz H.MIXER’s connector which is connected to YTF
3
.
Caution :
For 30GHz YTF, do not remove the S4 screws.
(5) Removing 30GHz H.MIXER
5
1) After 3.3.1 (2) removing procedure, remove the N1 nuts and remove the plate
4
(YTF
3
, 30GHz H.MIXER
5
and 1st LO Amp
2
are Attached on the plate
4
).
2) Remove the S5 screws.
3) Loose the S7 screws. If there are no S7 screws, perform procedure 4).
4) Disconnect 30GHz H.MIXER’s connector which is connected to YTF
3
.