Tektronix 496 User manual

.Y~,~G .~~_ . ~ .

WARNING
T~ronoc
THE FOLLOWING
SERVICING INSTRUCTIONS
ARE FORUSEBYQUALIFIED
PERSONNEL ONLY .
T
O
AVOID PERSONAL
INJURY, DO NOT
PERFORMANY SERVICING
OTHER THANTHAT
CONTAINED IN
OPERATING INSTRUCTIONS
UNLESS YOU ARE
QUALIFIED TO DO SO .
Tektronix, Inc .
P .O . Box 500
Beaverton, Oregon

97077

Serial
Number
COMMITTED TO EXCELLENCE
PLEASE
CHECK FOR CHANGE
INFORMATION
AT THE
REAROF THIS MANUAL .
496/496P
SPECTRUM
ANALYZER
WITH OPTIONS
SERVICE VOLUME 2
INSTF~UCTION
MANUAL
070-3482-00

First Printing APRIL 1981
Product Group 26

Revised MAY 1983

TABLE OF CONTENTS
SAFETY SUMMARY
Section 7

REPLACEABLE ELECTRICAL PARTS
Section 8

DIAGRAMS
Section 9

REPLACEABLE MECHANICALPARTS
LIST
OF ILLUSTRATIONS
The following circuit board figures are located near their associated diagrams in Section 8 .
496/496P
Service Vol .
2
8-1

A16A1 - 1st LO Interface

8-24

A68A4 - Post VR Amplifier
8-2

A24A1 -
Phase Gate Input

8-25

A62 - Log and Video Amplifier
8-3

A51 - 1
st LO Phaselock Control

8-26

A40
- Video Processor
8-4

A50A4 -
Error Amplifier

8-27

A61 - Vertical Digital
Storage
8-5

A50A1 -
Synthesizer

8-28

A60 - Horizontal Digital
Storage
8-6

A50A3 = Offset
Mixer

8-29

A64 - Deflection Amplifier
8-7

A50A5 - Controlled
Oscillator

8-30

A66 - Crt Readout
8-8

A50A2 - Strobe Driver

8-31

A70 - Z-Axis/RF Interface
8-9

A18A1 - 2nd Converter

8-32

A74 - High Voltage Supply
8-10

A22A1 - 16-20 MHz Phaselock

8-33

A74A1 - High Voltage Supply Interface
8-11

A22A2A1 - 2182 MHz Oscillator

8-34

A72 - Sweep
8-12

A22A2A2 - 2200 MHz Reference

8-35

A48 - Span Attenuator
8-13

A22A2A3 - 2200 MHz Mixer

8-36

A46 - Center Frequency Control
8-14

A32A1 -
110 MHz IF Amplifier

8-37

A44 -
1st LO Driver
8-15

A34A1 -
100 MHz Oscillator and 3rd Mixer

8-38

A58
- Processor
8-16

A69A1 - VR #1
Motherboard

8-39

A54 - Memory
8-17

A69A2 - VR Input

8-40

A38 - Front Panel
8-18

A69A3 - 1st Filter
Select

8-41

A56 - GPIB
8-19

A69A4 - 10 dB Gain
Steps

8-42

A57 - GPIB Interface
8-20

A68A1 - VR#2
Motherboard

8-43

A76 - Accessories Interface
8-21

A68A5 - 20 dB Gain
Steps

8-44

A30A1 - Main Power
Supply
8-22

A68A3 - Band Leveling

8-45

A30A2 - Fan Drive
8-23

A68A2 - 2nd Filter Select
J

4961496P Service Vol . 2
Do Not
Service Alone

SYMBOLS
Do not perform internal service or adjustment of
this prod-
uct
unless another person capable of
rendering first aid and
resuscitation
is present .
Use Care When Servicing
With Power On
SERVICING
SAFETY
SUMMARY
FOR
QUALIFIED SERVICE PERSONNEL
DNLY
Dangerous
voltages exist at several points in this product .
To avoid personal
injury, do not touch exposed
connections
and components
while power is on .
DANGER-High voltage .
Disconnect
power before removing
protective panels, sol-
dering, or replacing components .
Protective ground
(earth) terminal .
Power Source
ATTENTION-refer to manual .
This product is intended
to operate from a power source
that will not apply more than
" 250 volts rms between
the
supply conductors or
between either supply conductor and
ground . A protective
ground connection by way of the

power
Source
grounding conductor
in the power cord is essential
for safe
operation .

This product is intended to operate
from a power source
that
will not apply more than
250 volts rms between the
supply
conductors or between either
supply conductor and
TERMS

ground
. A protective ground
connection by way of the
grounding conductor in the power
cord is essential for safe
operation .
In This Manual
CAUTION statements identify
conditions or practices that
could result in damage
to the equipment ar other property
.
WARNING
statements identify conditions or
practices that
could result in personal
injury or loss of life
.
As Marked on Equipment
CAUTION indicates a personal
injury hazard not immediate-
ly
accessible as one reads
the marking, or a hazard to prop-
erty including the equipment
itself .
u
In This Manual
This symbol indicates where
applicable cau-
tionary or other information is to be
found .
As
Marked on Equipment
Grounding the Product
This product is
grounded through the grounding conductor
of the
power cord . To avoid electrical shock, plug the
power
cord
into a properly wired receptacle before
connecting to
the
product input or output
terminals . A protective ground
connection by way of the grounding conductor
in the power
cord is essential for safe operation .
Danger
Arising From Loss of Ground
Upon loss of the
protective-ground connection,
all accessi-
DANGER indicates a
personal injury hazard immediately ac-

ble conductive
parts (including knobs and controls that may
cessible as one reads
the marking .

appear to be insulating) can render an electric
shock .

Use the Proper Power
Cord

Use
the Proper Fuse
Use
only the power cord
and connector
specified for
your

To avoid fire
hazard, use only
the fuse specified
in the parts
product .

list for your
product, and which
is identical in type,
voltage
rating,
and current
rating .
Use only a
power cord that is in
good condition .
For
detailed
information on power
cords and connectors,
see the General Information
and Specifications
section
in
Volume 1 of the
4961496P Service
manual .
49B149BP
Service Vo1 . 2
Refer
fuse replacement
to qualified service
personnel .
Do Not Operate
in Explosive
Atmospheres
To avoid explosion,
da not operate this
product in
an atmo-
Refer cord
and connector
changes to qualified
service

sphere of explosive
gases unless it
has been
specifically
personnel,

certified
for such
operation .

496/496P Service Vol . 2
IV
The
496/496P Spectrum Analyzer .

Replacement parts are available
from
or
through your local

Only the circuit number will appear an thediagrams and
Tektronix, Inc . Field Office or representative .

circuit board
illustrations . Each diagram and circuit board
illustration is
clearly marked with the assembly number .
Changes tp Tektronix instruments are sometimes made to

Assembly numbers are also marked on the mechanical exploded
accommodate improved components as they become available,

views located in the Mechanical Parts List . The component
and to give you the benefit of the latest circuit improvements

number is
obtained by adding the assembly number prefix to the
developed in ourengineering department- It is therefore impor-

circuit number
.
tant, when ordering parts, to include thefollowing information in
your order : Part number,
instrument type or number, serial

The Electrical Parts List is divided and arranged by
number, and modification number
if
applicable
.

assemblies
in numerical sequence {e-g ., assembly A1 with its
subassemblies and parts, precedesassemblyA2
with
its sub-
If a part
you have
ordered has been replaced with a new or

assemblies and partsJ .
improved part, your local Tektronix,
Inc
.
Field Officeorrepresen-
tative will contact you concerning any change in part number .

Chassis-mounted parts
have no assembly number prefix
and are located at the end of the Electrical Parts List .
Change
information, if any, is located at the rear of this
manual .
LIST OF ASSEMBLIES
A list of assemblies can be found at the beginning of the
Electrical Parts List . The assemblies are listed in numerical order .

Indicates part number to be used when ordering replace
Whenthecompletecomponentnumberofapartisknown,this list

ment part from
Tektronix .
will identify the assembly in
which the part
is
located .
CROSS INDEX-MFR . CODE NUMBER TO
MANUFACTURER
The Mtr . Code Number to Manufacturer index for the
Electrical Parts List is located immediately after this page . The
Crass index provides codes, names and addresses of manufac-
turers of components listed in the Electrical Parts List
ABBREVIATIONS
Abbreviations conform taAmerican National Standard Y1 .1 .
COMPONENT NUMBER (column one of the
Electrical Parts List}
A numberingmethod has beenused to identify assemblies,
subassemblies and parts . Examples of this numbering method
and typical expansions are illustrated by the following :
REPLACEABLE
ELECTRICAL PARTS
PARTS
ORDERING INFORMATION
TEKTRONIX PART NO . (column two of the
Electrical Parts List)
SERIALIMODEL NO . (columns three and lour
of the Electrical Parts List)
Column three (3J indicates the serial number at which the
part was first used . Column four (4) indicatestheserial number at
which the part was removed . No serial number entered indicates
part is good for
all
serial numbers .
NAME & DESCRIPTION (column five of the
Electrical Parts List)
In the Parts List, an Item Name is separated from the
description by a colon { :J . Because of space limitations, an Item
Name may sometimes appear as incomplete . For further Item
Name identification, the
U .S . Federal Cataloging Handbook Hfi-1
can be utilized where possible .
Example a .

component number
A23R1234

A2~
R~4

MFR . CODE {column six of the Electrical Parts
Assembly number

Circuit number

LISt}
Read : Reslator 1234 0l Assembly 23
Example
b .

component number
A23A2R1234 A23 A2 A1234
Assembly

subassembly Circuit
number

number number
Section T-4961496P Service Vol . 2
Indicates the code number
of
the
actual manufacturer of the
part . (Code to name and
address cross reference can be found
immediately after this
page .)
MFR . PART NUMBER (column seven of the
Electrical Parts Llst)
Read : Resistor 1234 of Subassembly 2 of Assembly 23

Indicates actual manufacturers Bart number .
7-~

Replaceable
Electrical Parts-4961496P
Service Vol .2
Mtr . Code

Manufacturer

Address

City, State,
Zip
14552
14752
14936
7- 2
CROSS INDEX-MFR . CODE NUMBER
TO MANUFACTURER
MICRO SEMICONDUCTOR CORP
.
ELECTRO CUBE INC .
GENERAL INSTRUMENT CORP .,
SEMICONDUCTOR
PRODUCTS GflOUP

P
.O .
BOX 600,6D0 W . JOHNST .

HICKSVILLE, NY
11802
1523$

ITT SEMICONDUCTORS, A DIVISION
OF INTER
NATIONAL TELEPHONE AND
TELEGRAPH CORP .

P
.O .
BOX 168, 500 BROADWAY

LAWRENCE, MA
D1841
15454

RODAN INDUSTRIES, INC .

2905 BLUE
STAR ST .

ANAHEIM, CA 92806
15801

FENWAL ELECTRONICS, DIV . OF
KIDDE WALTER
AND CO ., INC .

63 FOUNTAIN ST
.

FRAMiNGHAM, MA 01701
16179

OMNI SPECTRA, INC .

24600 HALLWOOD CT .

FARMINGTON,
MI 48024
17540

ALPHA INDUSTRIES, INC .

20
SYLVANRD .

WOBURN, MA 01801
17856

51LICONIX, INC .

2201 LAURELWOOD DRIVE

SANTA GLARA, CA 95054
18203

ENGELMANNMICROWAVE CO .

SKYLINE
DR .

MONTVILLE, NJ 07045
18324

SIGNETICS CORP .

811 E . ARDUES

SUNNYVALE,
CA 94086
18612

VISHAY RESISTOR PRODUCTS
DIV .
VISHAY INTERTECHNOLOGY
INC .

fib
LINCOLN HWY

MALVERN, PA 19355
19396

ILLINOIS TOOL WORKS,
INC
.
PAKTRON DIV .

90D
FOLLIN LANE, SE

VIENNA, VA 22180
2D932

EMCON DIV OF ILLINOIS
TOOL WORKS INC .

11620 SORRENTO VALLEY RD
P O BOX
81542

SAN DIEGO, CA 92121
21377

CIR-O-TEK INC .

10504 WHEATLEY 5T .

KINGSTON,
MD 20795
22229

SOLITRON DEVICES, INC .,
SEMICONDUCTOR GROUP

8808 BALBOAAVENUE

SAN DIEGO OPERS,
CA 92123
22526

BERG ELECTRONICS, INC .

YOUK
EXPRESSWAY

NEW CUMBERLAND, PA 17070
24211

GRIGSBY-BARTON INC .

3800 INDUSTRIAL DRIVE

ROLLING
MEADOWS, IL 60008
24355

ANALOG DEVICES INC .

RT 1 INDUSTRIAL
PK,P O BOX 280

NORWOOD, MA 02062
24546

CORNING GLASS WORKS,
ELECTRONIC
COMPONENTS DIVISION

550
HIGH STREET

BRADFORD, PA 16701
25403

AMPEREX ELECTRONIC GORP
., SEMICONDUCTOR
AND MICROCIRCUITS
DIV .

PROVIDENCE PIKE

SLATERSVILLE, RI 02876
26805

OMNI SPECTRA INC .,
MICROWAVE CONNECTOR
DIV .

140 FOURTH AVE

WALTHAM, MA 02154
27012

MICRO DEVICES,
CORPORATION

1881 SOUTHLAND BLVD .

DAYTON, OHIO 45439
27014

NAt10NAL SEMICONDUCTOR
CORP .

2900
SEMICONDUCTOR DR .

SANTA CLARA, CA 95051
27264

MOLEX PRODUCTS GO
.

5224 KATRINE AVE .

DOWNERS GROVE, IL 60515
32293

INTERSIL, INC .

10900
N . TANTAU AVE .

GUPERTINO, CA 95014
32997

BOURNS, INC .,
TRIMPOT PRODUCTS DIV .

1200 COLUMBIA AVE .

flIVERSIDE,
CA 92507
33095

SPECTRUM
CONTROL, INC .

152 E MAIN STREE7

FAIRVIEW, PA 16415
33096

COLORADO
CRYSTAL CORPORATION

2303 W 8TH STREET

LOVELAND, CO 80537
34335

ADVANCED
MICRO DEVICES

901 THOMPSON PL .

SUNNYVALE, CA 94D86
REV
MAY 1983
DODAX

6UEHLER PRODUCTS
INC
.

PO BOX A,HIGHWAY 70 EAST

KINGSTON, NC 28501
OOOFJ

MARCOM SWITCHES INC .

67 ALBANY
STREET

CAZENOVIA, N .Y . 13035
DOOLI

TOPTRON CORP

TOKYO, JAPAN
00779

AMP, INC .

PO BOX 3608

HARRISBURG, PA 17105
D0853

SANGAMO ELECTRIC CO ., S .
CAROLINA DIV .

PO BOX 128

PICKENS, SC 29671
61121

ALLEN-BRADLEY COMPANY

1201 2ND
STREET SOUTH

MILWAUKEE, WI 53204
01281

TRW ELECTRONIC COMPONENTS,
SEMICONDUCTOR

1452D AVIATION BLVD .

LAWNDALE, CA 90260
OPERATIONS
D1295

TEXAS INSTRUMENTS, INC .,
SEMICONDUCTOR

P O 80X 5D12, 13500 N CENTRAL
GROUP

EXPRESSWAY

DALLAS, TX 75222
02111

SPECTROL ELECTRONICS
CORPORATION

17070 EASTGALEAVENUE

CITY OF INDUSTRY,
CA 91745
D2114

FERROXCUBE CORPORATION

PO BOX 359,
MARION ROAD

SAUGERTIES, NY 12477
02735

RCA CORPORATION, SOLID
STATE DIVISION

ROUTE 202

SOMERVILLE, NY 08876
0350$

GENERAL ELECTRIC COMPANY,
SEMI-CONDUCTOR
PRODUCTS DEPARTMENT

ELECTRONICS PARK

SYRACUSE, NY 13201
04222

AVX CERAMICS, DIVISION OF AVX CORP
.

P O BDX 867,
19TH AVE . SOUTH

MYRTLE BEACH, SC 29577
04713

MOTOROLA, INC ., SEMICONDUCTOR
PROD . DIV .

5005
E MCDOWELL RD,PO BOX 20923

PHOENIX, AZ $5036
05397

UNION CARBIDE CORPORATION,
MATERIALS
SYSTEMS DIVISION

11901 MADISONAVENUE

CLEVELAND, OH
441
D1
06665

PRECISION MONOLITHIGS INC .

1500 SPAGE
PARKDR .

SANTA CLARA, CA 95050
07088

KELVIN ELECTRIC COMPANY

5907
NOBLE AVENUE

VAN NUYS, CA
91411
07263

FAIRCHILD SEMICONDUCTOR,
A DIV . OF
FAIRCHILD GAMERA AND INSTRUMENT
CORP .

464 ELLIS STREET

MOUNTAIN VIEW, CA
94D42
08806

GENERAL ELECTRIC CO ., MINIATURE
LAMP PRODUCTS DEPARTMENT

NELA
PARK

CLEVELAND, OH
44112
12954

SIEMENS CORPORATION,
COMPONENTS GROUP

870D E THOMAS
RD, P O BOX 1390

SCOTTSDALE,AZ 85252
12969

UNITRODE CORPORATION

580
PLEASANT STREET

WATERTOWN,
MA 02172
14433

ITT SEMICONDUCTORS

3301 ELECTRONICS
WAY
P
0
BOX 3049

WEST PALM BEACH,
FL 33402
2830 E FAIRVIEW ST
.

SANTA ANA, CA 92704
1710
S .
DEL MAR AVE .

SAN GABRIEL, GA
91776
-
;

Mfr .
Code

Manufacturer

Address

Cit , State,
Zip
34371

HARRIS SEMICONDUCTOR,
DIV . OF
HARRIS CORPORATION

P .
O . BOX 883

MELBOURNE,
FL 32901
50434

HEWLETT-PACKARD
COMPANY

fi40 PAGE MILL ROAD

PALO
ALTO, CA 94304
50438

HEWLETT-PACKARD
CO ., DATA SYSTEMS DIV .

11400 WOLFE RD .

CUPERTINO,
CA 95074
50558

ELECTRONIC CONCEPTS,
INC .

526 INDUSTRIAL WAY WEST

EATONTOWN,
NJ D7724
51642

CENTRE ENGINEERING
INC .

2$20 E COLLEGEAVENUE

STATE COLLEGE,
PA 16801
51984

NEC AMERICA INC . RADIO
AND
TRANSMISSION DIV .

2990 TELESTAR CT . SUITE 212

FALLS CHURCH,
VA 22042
53184

XCITON CORPORATION

5 HEMLOCK STREET

LATHAM,
NY 12110
54473

MATSUSHITA ELECTRIC,
CORP . OF AMERICA

1 PANASONIC WAY

SECAUCUS,
NJ 07094
55880

NICHICONIAMERIGA/CORP
.

6435 NPROESELAVENUE

CHICAGO, IL 60645
56289

SPRAGUE ELECTRIC
CO .

87 MARSHALL ST .

NORTH
ADAMS, MA 01247
57668

R-OHM CORP .

16931 MILLIKEN AVE .

IRVINE, CA 92713
59660

TUSONiX INC .

2155 N FORBES BLVD

TUCSON,
AZ 85705
59821

CENTRALAB INC

7158 MERCHANT AVE

EL PASO, TX 79915
SUB NORTH
AMERICAN PHILIPS CORP
71034

BLILEY ELECTRIC
CO .

2545 W . GRANDVIEW
BLVD .

ERIE, PA 16512
71400

BUSSMAN MFG .,
DIVISION OF MCGRAW-
EDISON CO .

2536 W . UNIVERSITY
ST .

ST
.
LOUIS, MO 63107
72982

ERIE TECHNOLOGICAL
PRODUCTS, INC .

644 W . 12TH ST .

ERIE, PA
16512
73138

BECKMAN
INSTRUMENTS, INC ., HELIPOT DIV .

2500 HARBOR BLVD .

FULLERTON, CA 92634
73899

JFD ELECTRONICS
COMPONENTSCORP .

PINETREE ROAD

OXFORD,
NC 27565
74276

SIGNALITE DIV .,
GENERAL INSTRUMENT CORP .

1933 HECK AVE .

NEPTUNE, NJ 07753
74970

JOHNSON, E . F .,
CO .

299 10TH AVE .
S . W .

WASECA,
MN 56D93
75042

TRW ELECTRONIC
COMPONENTS, IRC FIXED
RESISTORS,
PHILADELPHIA DIVISION

401 N . BROAD ST .

PHILADELPHIA,
PA 19108
CT5 KNIGHTS, INC
.

400 REIMANN AVE .

SANDWICH, IL 60548
LITTELFUSE, INC
.

800 E . NORTHWEST
HWY

DES
PLAINES, 1L 60016
BELL INDUSTRIES,
INC .,
MILLER, J . W ., DiV .

19070 R£YE5 AVE ., P
O BOX 5825

COMPTON,
CA 90224
STACKPOLE CARBON
CO .

ST . MARYS,PA 15857
TEKTRONIX, INC .

P O BOX 500

BEAVERTON,
OR 97077
ELECTRA-MIDLAND
CORP ., MEPCO DIV .

22 COLUMBIA ROAp

MORRISTOWN, NJ 07960
PIEZO MFG . CORP .

P . O . BOX 5644

FORT
LAUDERDALE, FL
33309
TRW
ELECTRONIC
COMPONENTS, TRW CAPACITORS

112 W . FIRST ST .

OGALLALA, NE 69153
ILLUMINATED
PRODUCTS INC ., A SUB OF
OAK INDUSTRIES, INC
.

2620 SUSAN ST,
PO BOX 11930

SANTA ANA, CA 92711
9D201

MALLORY CAPACITOR
CO ., DIV . OF

3029 E . WASHINGTON
STREET
P . R .
MALLORY AND
CO ., INC .

P . 0 . BOX 372

INDIANAPOLIS, IN 46206
91293

JOHANSON MFG . COMPANY

P 0 BOX 329

BOONTON,
NJ 07005
91637

DALEELECTRONICS, INC
.

P . 0 . BOX 609

COLUMBUS, NE 68601
95348

GORDOS CORPORATION

250 GLENWOOD AVENUE

BLOOMFIELD,
NJ 07003
CODE 96

733 NOT FOUND
95348

GORDO5 CORPORATION

250 GLENWOOD AVENUE

BLOOMFIELD, NJ 07D03
98291

SEALECTRO CORP .

225 HOY7

MAMARONECK, NY 10544
CODE
GA

P ., NOT FOUND
98291

SEALHCTROCORP .

225 HOYT

MAMARONECK, NY 10544
75378
75915
76493
78488
6ooos
80D31
83691
84411
87034
REVMAY
1983
CROSS INDEX-MFR .
CODE NUMBER TO
MANUFACTURER
Replaceable Electrical Parts-4961496P
Service
Vol .2
7- 3

Replaceable Electrical Parts-4961496P Service Vol .2
Tektronix

SeriallModel No .

Mfr
Component
No .

Part No .

Eff

Dscont

Name 8 Description

Code

Mfr Part
Number
AT10
AT1D
AT10
AT1p
AT1D
AT10
AT10
AT10
AT10
AT10
AT10
AT10
AT12
AT13
AT133
AT133
A12
A1 A1
119-1007-02

8010100

8010289

ATTENUATOR,VAR :O-60D8 IN 10D8 STEPS

$0009

119-1007-02
----- ----

{492 ONLY)
119-1 D07-04

8010290

80104D9

ATTENUATOR,VAR :O-60DB IN 10D8 STEPS

80009

119-1007-04
____ _____

[492 ONLY)
119-1pD7-OD

8010410

ATTENUATOR,VAR :O-60DB IN 10D8 STEPS

80009

119-1007-00
____ _____

[492 ONLY)
119-1007-02

8010100

8010289

ATTENUATOR,VAR :O-60DB IN 10DB STEPS

80009

119-1007-02
_____ _____

(149P ONLY)
119-1007-04

8010290

8010439

ATTENUATOR,VAR :O-60DB IN 10D8 STEPS

80009

119-1007-04
____ ____

{149P ONLY)
119-1007}'16

8010440

ATTENUATOR,VAR :O .fiODB IN 10D8 STEPS

80009

119-1007-D4
____ _____ a8

{149P ONLY)
015-1053-00

ATTENUATOR,FXD :3DB

26$05 2082-4182-03
015-1024-00

ATTENUATOR,FXD :O-2 GHZ,SMA

18203

A7505
119-1493-00

VAR LOAD ASSY :

80009

119-1493-00
_____ _____

{496 ONLY)
119-1353-00

FIRST MIXER AS :

80009

119-1353-00
-

- 1

MICROCIRUIT,LI :DUALDIODE

80D09

15 5-0232-Q0~
A13

119-1019-00

POWER DIV ASSY :

80009

119-1019-DO
A16

119-1360-01

OSCILLATOR :2 .0 TO 6 .1GHZ,WICAN

80009

119-1360-01
A16A1

670-5540-00

CKT BOARD ASSY :IST L.O . INTERFACE

8DOD9

670-5540-QO
A18

119-1096-00

8010100

8010109

SEC CONV ASSY :2072MHZ

80009

119-1096-00
A18

----- -----

[492 ONLY)
A18

119-1096-01

8010110

8801045

SEC CONV ASSY :2D72MHZ

80009

119-1096-01
A 1$

----- -----

(492 ONLY)
A18

119-1096-02

8010459

SEC CONV ASSY :

80009

119-1096-01
A1$

----- -----

(492 ONLY)
A18

119-1 Q96-00

8010140

8010109

SEC CONYASSY :2072MHZ

80009

119-1096-00
A18

----- -----

(492P ONLY)
A18

119-1096-Di

8D10110

8010495

SEC CONYASSY :2072MHZ

80009

119-1096-01
A18

----- -----

(492P ONLY)
A18

119-1096-02

8010104

96

SEC CONVASSY :

80009

119-1086-D2
A18

_____ ____

(492P ONLY)
A18A1

----------

(REPLACEABLE AS A UNIT WITH A18)
A22

650-0266-00

8010100

B01D316

PH LOCK 2ND LO :

80009

650-0266-00
A22

650-0266-01

8010317

PHLOCK 2ND L0 :

80009

650-0266-01
A22A1

670-7077-00

8010100

8010355

CKT BOARb ASSY
:16-20MHZ PHASELOCK

80009

670-7077-00
A22A1

670-7077-01

8010356

CKT BOARD
ASSYa6-20MHZ PHASELOCK

80009

670-7077-01
A22A2

119-1412-00

8010100

8010316

PH LOCK LO CONT :

80009

119-1412-00
A22A2

119-1412-01

8010317

PH LOCK LO CONT :

80009

119-1412-01
A22A2A1

670-7075-00

BD101D0

8010316

CKT BOARD ASSY :2182MHZ MICROSTRIP OSC

80009

670 .7075-00
A22A2A1

670-7075-Ot

8010317

CKT BOARD ASSY
:2182MHZ MICROSTRIP
OSC

80009

670-7075-01
A22A2A2

670-7076-00

CKT BOARD ASSY :220MHZ
REFERENCE

80009

670
.7076-00
A22A2A3

67D-7079-00

CKT BOARD
ASSY
:2200MHZ REFERENCE M17(ER

80009

670-7079-00
A24

119-101D-00

HYBRID GKT ASSY :PHASE GATE
DETECTOR

80009

119-1010-00
A24A1

670-5957-00

CKT BOARp
ASSY
:PHASE GATE INPUT

80009

670-5957-DO
A28

670-5561-01

CKT BOARD ASSY :MAIN MOTHER

80009

670-5561-01
A30

621-0486-00

POWER SPLY ASSY :

80009

621-0486-00
A30

----- ----

(496 ONLY)
A30

621-0484-00

POWER SPLY ASSY :

80009

621-0484-00
A30

---------

(496
&
DPTIDN 3D,31,32 ONLY)
A30

621-0487-OD

POWER SPLY ASSY :

80009

621-0487-00
A30

------

(496P ONLY)
A30

621-0489-00

MODULAR ASSY :HIGH VOLTAGE

80009

621-0489-QO
A30

---------

(496P DPTfON 30,31,32 ONLY)
7-4

REV
MAY
19$ 3