Anritsu MS2665C - 4.3 Mechanical Configuration

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4.3 Mechanical configuration
4.3.1 Disassembling/Assembling cabinet
Refer to 3.3.1.
4.3.2 Removing/Assembling units and PC boards
Refer to 3.3.2.
4.3.3 Disassembling/Assembling Components around RF Input
Refer to 3.3.3.
4.3.4 Disassembling/Assembling Units and Components on lower surface
Caution :
For F2626 MODULE and MLFP1312 MODULE (A label printed “Model number” is pasted on plate
4
), YTF are
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 YTF will be affected.
Therefore YTF must not be disassembled from the plate
4
.
Removing 2nd CONVERTER
1
, Coupler/Amp
2
, YTF
3
, 40GHz H.MIXER
5
Switched Doubler
6
.
(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 A15 Coupler/Amp
2
After 3.3.1 (2) removing procedure, remove the S3 screws and remove the Coupler/Amp
2
.
(3) Removing YTF
3
(For F2626)
If YTF is OPEN LOOP YIG FILTER (F2626), perform this removing procedure.
If YTF is F2626 MODULE or MLFP1312 MODULE, perform (4) removing procedure.
1) After 3.3.1 (2) removing procedure, remove the N1 nuts and remove the plate
4
.
(YTF
3
, 40GHz H.MIXER
5
, Coupler/Amp
2
and Switched Doubler
6
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 40GHz H.MIXER’s connector which is connected to YTF
3
.
5) Remove the S4 screws.
4.3 Mechanical configuration