Section 3 MS2667C
3-10
3.2.1.3 Circuit reference
This paragraph supplies the exchange module list of the spectrum analyzer with its overall circuit diagram.
Table 3-2-2 Exchange Modules of MS2667C
Schematic number Name Model name
Ordering number
Note
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Options
19
20
21
22
MOTHER BOARD
A02 FRONT BOARD
A03 CPU
A04 PMC/GPIB
SCAN/AD
IF(B)
LOCAL-SP2
LOCAL-SP1
RF CONVERTER
2nd CONVERTER
1ST LO AMP
AK-AKF PANEL CONNECTOR
Switched Attenuator
Diplexing Bandswitch
OPEN LOOP YIG FILTER
30GHz YTF
30GHz H.MIXER
POWER SUPPLY UNIT
TFT LCD MODULE
OPTION BASE
A0501 HI-SPEED AD
A0901 TRIG/GATE
A0902 AM/FM MONITORA
A04 PMC/CENTRONICS
MM200013A
322U14223
322U14225
322U12853
MM200014A
MM200015A
MM200016A
MM200017A
MM200019A
MM200020A
MM200022B
MM200021A
B46790
D29638
D29870
F2626
MM200001A
339H41184B
34Z114508
NL3224AC35-01
MM200018A
332U36333
34Y106695B
34Y106699B
34Y106692B
34Y115415
34Y118357
34Y118358
34Y106693
34Y112923D
34Y106718B
34Y111112B
34Y111111B
34Y117226
34Y117228
34Y117228B
34Y118007
B46790
D29638
D29870
34Y117225
339H41853
339H41184B
34Z114508
No1256
34Y106684B
34Y106688
34Y106695B
34Y106699B
34Y106692B
Order both
numbers
*pair 1
*pair 2
*pair 1
*pair 2
Option 04
Option 06
Option 07
Option 10
To identify a exchange module, a label printed “Model number” is pasted on module.
Remark :
1. MS2667C has two kinds of YTF as exchange module. When you replace a YTF, check YTF model according to
following procedure.
(1) Keep key “0” depressed while switching on the spectrum analyzer.
(2) Enter RF/Micro Conv maintenance menu.
1) Enter Cal menu by pushing “Shift” + “0” keys. Open second page of Cal menu by pushing “more”.
2) Enter maintenance menu with “F6” (Maintenance) key.
(3) Press “F1” (Version & options) keys.
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