Tektronix 465M Bedienungsanleitung

TI 6200.15 AIR FORCE TO 33A1-13-496-1

NAVELEX 0969-LP-1 70-0010

TECHNICAL MANUAL

OPERATION AND MAINTENANCE INSTRUCTIONS

WITH

ILLUSTRATED PARTS BREAKDOWN

OSCILLOSCOPE

(100 MHz BANDWIDTH)

AN/USM-425(V)1

Model 465M

NSN 6625-01-032-6914

Published under authority of the Secretaries of the Air Force and Navy

15 MARCH 1977

AIR FORCE T033A1-13496-1

NAVE LEX 0969-LP-170-0010

LIST OF EFFECTIVE PAGES INSERT LATEST CHANGED PAGES. DESTROY SUPERSEDED PAGES.

NOTE: The portion of the text affected by the changes Is indicated by a

vertical line in the outer margins of the page. Changes to illustra-

tions are Indicated by miniature pointing hands. Changes to wiring

diagrams are indicated by shaded areas.

Dates of issue for original and changed pages are:

Original 015 MAR 77

TOTAL NUMBER OF PAGES IN THIS PUBLICATION 1$ 257 CONSISTING OF THE FOLLOWING:

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USAF/USN

AIR FORCE T033A1-13-496-1

NAVELEX 0969-LP-170-0010

TABLE OF CONTENTS

Section/Para Page

LIST OF ILLUSTRATIONS iii

LIST OF TABLES v

SAFETY SUMMARY vii

IINTRODUCTION AND GENERAL

INFORMATION 1-1

1-1 INTRODUCTION M

a. Manual Purpose 1-1

b. Manual Scope 1-1

c. Manual Arrangement 1-1

1-2 USE OF WARNING, CAUTION, AND

NOTE SYMBOLS 1-1

1-3 GENERAL INFORMATION 1-1

a. Equipment Description 1-1

b. Accessories Supplied 1-1

c. Leading Particulars 1-2

II SPECIAL TOOLS AND TEST EQUIPMENT .2-1

2-1 SPECIAL TOOLS 2-1

2-2 TEST EQUIPMENT 2-1

2-3 CONSUMABLE MATERIALS 2-1

2-4 RACKMOUNTING ACCESSORY 2-3

III PREPARATION FOR USE AND SHIPMENT. 3-1

3-1 PREPARATION FOR USE 3-1

a. Unpacking the Instrument 3-1

b. Initial Inspection 3-1

c. Faceplate Filter Installation 3-1

d. Carrying Handle Positioning 3-1

e. Operating Voltage Selection 3-1

f. Power Cord Information 3-1

3-2 OPERATING TEMPERATURE 3-3

3PREPARATION FOR SHIPMENT 3-3

IV OPERATION INSTRUCTIONS 4-1

1THEORY OF OPERATION 4-1

4-2 BASIC CIRCUIT FUNCTIONS 4-1

a. Vertical Module ,4-1

b. Horizontal Module 4-1

c. Main Module 4-4

Section/Para Page

IV OPERATION INSTRUCTIONS (cont)

4-3 DETAILED CIRCUIT OPERATION .... 4-4

a. Vertical Module 4-4

(1) CH 1andCH 2Input 4-4

(2) CH 1and CH 2Preamplifier and

Vertical Switching 4-5

(3) Vertical Switching Control 4-5

(4) Delay Line Driver and Delay Line ..4-7

(5) Vertical Amplifier 4-8

b. Horizontal Module 4-8

(1) Trigger Input Amplifiers and

Trigger Switching 4-8

(2) ATrigger Generator 4-9

(3) BTrigger Generator 4-13

(4) ASweep Generator 4-13

(5) BSweep Generator 4-16

(6) Horizontal Preamplifier 4-19

(7) -HA GATE OUT Amplifier 4-20

(8) -HB GATE OUT Amplifier 4-20

(9) Sweep Control 4-20

c. Main Module 4-23

(1) ZAxis Amplifier 4-23

(2) Crt Circuit 4-24

(3) Horizontal Amplifier 4-26

(4) -HB GATE OUT Amplifier 4-26

(5) Calibrator 4-28

(6) Low-Voltage Power Supplies 4-28

4-4 FUNCTIONS OF CONTROLS, CON-

NECTORS, AND INDICATORS 4-29

4-5 OPERATING CONSIDERATIONS 4-35

a. Signal Connections 4-35

b. Loading Effect of input Connections. ..4-35

c. Coaxial Cables 4-35

d. Grounding 4-35

e. Graticule 4-35

f. Common-Mode Rejection 4-36

g. Cascaded Operation 4-36

h. Delayed-Sweep Magnification 4-36

4-6 INITIAL INSTRUMENT TURN-ON . . ..4-37

4-7 PRELIMINARY ADJUSTMENTS 4-38

a. Initial Control Settings 4-38

b. Intensity Adjustment 4-38

c. Focus and Astigmatism Adjustment. ...4-38

d. Trace Rotation Adjustment 4-38

e. Graticule Scale Illumination 4-39

f. Probe Compensation 4-39

AIR FORCE T033A1 -13-496-1

NAVELEX 0969-LP-170-0010

TABLE OF CONTENTS (cont)

Section/Para

IV OPERATION INSTRUCTIONS (continued)

4-8 NORMAL OPERATION 4-39

a. Beam Finder 4-39

b. Intensity and Focus 4-40

c. Vertical Deflection system 4-40

d. Horizontal Deflection System 4-40

4-9 INSTRUMENT TURN-OFF 441

4-10 APPLICATIONS 441

a. Peak to Peak Amplitude Measurement .441

b. Instantaneous Amplitude Measurement 442

c. Dual Trace Phase Difference

Measurement 4-42

d. High Resolution Phase Difference

Measurement 4-43

e. Time Duration and Frequency

Measurement 4-43

f. Rise Time Measurement 4-43

g. Differential Time Measurement 4-43

VMAINTENANCE INSTRUCTIONS 5-1

5-1 OPERATIONAL CHECKOUT 5-1

5-2 PREVENTIVE MAINTENANCE 5-20

a. Preventive Maintenance Schedule 5-20

b. External Preventive Maintenance 5-21

c. Internal Preventive Maintenance 5-22

5-3 TROUBLESHOOTING 5-22

a. Troubleshooting Aids 5-23

b. Troubleshooting Techniques 5-30

54 CALIBRATION AND CHECKOUT AFTER

REPAIR 5-32

5-5 COMPONENT REMOVAL, REPLACEMENT,

AND DISASSEMBLY 5-32

a. Cabinet Top and EMI Shield Removal

and Replacement 5-32

b. Interconnecting Cables and Connectors .5-33

c. Rear Panel Assembly Removal and

Replacement 5-33

d. Cabinet Bottom Removal and

Replacement 5-34

e. Vertical Module Removal 5-34

f. Horizontal Module Removal 5-34

g. Cathode Ray Tube (Crt) Removal 5-35

h. Shaft-Knob Removal 5-36

i. Interface Board Removal 5-36

Section/Para P®9®

VMAINTENANCE INSTRUCTIONS (continued)

j. Aand BTiming Switch Board Assembly

Removal and Replacement 5-37

k. Aand BTiming Switch Disassembly ...5-38

l. Trigger Board Removal and

Replacement 5-39

m. Source and Coupling Switch

Disassembly 5-40

n. Horizontal Board Removal and

Replacement 540

o. Sweep Board Removal and Replacement 5-40

p. Graticule Illumination Board Removal

and Replacement 5-40

q. Hybrid 1C Removal and Replacement ..5-40

r. VOLTS/DIV Attenuator Disassembly. ..541

s. Probe Disassembly and Repair 5-43

t. Light Emitting Diode (LED)

Replacement 5-44

u. Push Button, Shaft Extension, and Shaft

Extension Adapter Removal and

Replacement 5-44

5-6 CALIBRATION 5-45

a. Preliminary Calibration Set-Up

Procedure 5-45

b. +32 Volt Power Supply 5-45

c. Crt Bias 5-45

d. Z-Axis Compensation 5-46

e. Y-Axis Alignment 5-46

f. Geometry 5-47

g. Calibrator 5-47

h. Dc Balance 5-47

i. Vertical Gain 5-47

j. Channel 2Low Frequency

Compensation 5-47

k. Channel 1Low Frequency

Compensation 5-48

l. High-Frequency Compensation 5-49

m. Trigger Hysteresis and Slope Centering .5-50

n. External Trigger Centering 5-51

o. Sweep Start-Stop 5-51

p. Horizontal Gain 5-52

q. Magnifier Registration 5-53

r. BSweep Timing 5-53

s. .5 JUS Timing 5-54

t. 5ns Timing 5-54

u. XGain 5-54

AIR FORCE T033A1-13-496-1

NAVELEX 0969-LP-170-0010

TABLE OF CONTENTS (cont)

Section/Para ^^9®

VI DIAGRAMS 6-1

6-1 INTRODUCTION 6-1

6-2 ARRANGEMENT 6-1

a. Schematic Diagrams 6-1

b. Symbols and Reference Designators. ... 6-1

3WAVEFORMS AND VOLTAGE TEST

CONDITIONS 6-2

VII ILLUSTRATED PARTS BREAKDOWN

INTRODUCTION 7-1

1GENERAL 7-1

7-2 INTRODUCTION 7-1

7-3 MAINTENANCE PARTS LIST

INTRODUCTION 7-1

7-4 INDENTATION 7-1

7-5 FIGURE CROSS REFERENCE NOTES. .7-1

7-6 SIMILAR ASSEMBLIES 7-1

7-7 ATTACHING PARTS 7-1

7-8 TEKTRONIX PART NUMBERING

SYSTEM 7-2

7-9 EXPLANATION OF COLUMNS IN

SECTION VIII 7-2

Section/Para

VII ILLUSTRATED PARTS BREAKDOWN

INTRODUCTION (continued)

7-10 NUMERICAL INDEX INTRODUCTION 7-2

7-1 1SOURCE, MAINTENANCE, AND

RECOVERABILITY (SMR) CODE 7-2

7-12 REFERENCE DESIGNATION INDEX

INTRODUCTION 7-2

7-13 HOW TO USE THIS IPB 7-2

7-14 ABBREVIATIONS AND LETTER SYMBOL

LIST 7-2

7-15 MANUFACTURER'S CODE CROSS

REFERENCE LIST 7-3

VIII illustrated PARTS BREAKDOWN

MAINTENANCE PARTS LIST 8-1

IX ILLUSTRATED PARTS BREAKDOWN

NUMERICAL INDEX 9-1

XILLUSTRATED PARTS BREAKDOWN

REFERENCE DESIGNATION INDEX ....10-1

XI DIFFERENCE DATASHEETS 11-1

LIST OF ILLUSTRATIONS

Figure Title Page

1-0 AN/USM 425(V)1 with front cover 1-0

3-1 Removal and installation of faceplate filters ..3-2

3-2 Carrying handle positioning 3-3

3Power section of rear panel 3-3

1Overall block diagram (sheet 1of 2) 4-2

4-1 Overall block diagram (sheet 2of 2) 4-3

4-2 Channel switching gates 4-6

4-3 Trigger switching 4-10

4-4 Trigger signal paths with SOURCE set to

NORM and COUPLING set to AC 4-1

4-5 Atrigger generator 4-12

4-6 Simplified diagram of the Asweep

generator 4-14

F'9ure Title Page

4-7 Waveforms produced during A

sweep operation 4-15

4-8 Simplified diagram of the B

sweep generator 4-17

4-9 Waveforms produced during Bsweep

generation 4-18

4-10 Functional block diagram of the sweep

control integrated circuit and associated

circuitry 4-21

4-1 1Waveforms produced by holdoff control

circuitry 4-22

4-12 Waveforms produced during AUTO sweep

gate generation 4-23

4-13 Waveforms produced in the high-voltage

oscillator 4-24

iii

AIR FORCE T033A1-13-496-1

NAVELEX 0969-LP-170-0010

Figure

4-14

4-15

4-16

4-17

4-18

4-19

4-20

4-21

4-22

4-23

4-24

4-25

4-26

4-27

4-28

5-1

5-2

5-3

5-5

5-6

5-7

5-8

5-9

5-10

5-11

5-12

5-13

5-14

5-15

5-16

LIST OF ILLUSTRATIONS (cont)

Title Page

High-voltage rectifier 4-26

Dc restorer 4-27

(blank)

Graticule measurement markings 4-35

Common-mode rejection of an undesired

line-frequency 4-36

Delayed sweep magnification 4-37

Probe compensation 4-39

Example of peak to peak voltage

measurement 4-42

Example of instantaneous voltage

measurement 4-42

Example of dual trace phase difference

measurement 4-43

Example of high resolution phase

difference measurement 4-43

Example of time duration and frequency

measurement 4-44

Example of rise time mesurement 4-44

Example of time-duration measurement

using AINTEN mode 4-44

Example of time-duration measurement

using BDLY'D mode 445

Component value identification 5-24

Troubleshooting chart (sheet 1of 5) 5-25

Troubleshooting chart (sheet 2of 5) 5-26

Troubleshooting chart (sheet 3of 5) 5-27

Troubleshooting chart (sheet 4of 5) 5-28

Troubleshooting chart (sheet 5of 5) 5-29

Semiconductor lead configurations 5-31

Multiconductor connector identification ....5-33

Rear panel removal 5-34

Cabinet bottom removal 5-35

Vertical module removal 5-36

Horizontal module removal 5-37

Shaft-knob removal 5-38

Horizontal module board locator 5-38

TIME/DIV switch disassembly 5-39

Hybrid 1C removal 5-41

VOLTS/DIV attenuator disassembly 5-42

Probe BNC connector removal and

replacement 5-44

Light-emitting diode (LED) lead

identification 5-44

-1-32 volt test point and adjustment

location 5-46

Figure Title Page

5-17 Crt and Z-Axis test point and adjustment

locations 546

5-18 Crt and Calibration test point and adjust-

ment locations 4-57

5-19 Vertical adjustment locations 548

5-20 Trigger hysteresis and slope centering

adjustment locations 5-50

5-21 External trigger centering setup 5-51

5-22 Trigger and horizontal adjustment

locations 5-52

5-23 Sweep adjustment locations 5-53

24 5nanosecond timing adjustment locations ...5-55

1Schematic symbols 6-3

FO-1 (Front) Front and rear panel controls,

connectors, and indicators 6-5

FO-1 (Rear) A1/A3 Cam Switching, A2/A4

Attenuator, and A5 Vertical

circuit board layouts and com-

ponent locators 6-6

FO-2 (Front) CH 1and CH 2Input schematic

diagram 16-7

FO-2 (Rear) A5 Vertical circuit board layout and

component locators 6-8

FO-3 (Front) Vertical Preamplifier and Switching

schematic diagram 26-9

FO-3 (Rear) A5 Vertical circuit board layout and

component locator 6-10

FO-4 (Front) Delay Line Driver Vertical Amplifier,

and Interface Connector schematic

diagram 36-1

F04 (Rear) A6 Horizontal and A7 Trigger circuit

board layouts and component

locators 6-12

FO-5 (Front) Trigger schematic diagram 46-13

FO-5 (Rear) A6 Horizontal and A8 Sweep circuit

board layouts and component

locators 6-14

FO-6 (Front) Sweep and Horizontal Preamplifier

schematic diagram 56-15

FO-6 (Rear) A9 ATiming Switch and A10 B

Timing Switch circuit board lay-

outs and component locators 6-16

FO-7 (Front) Aand BTiming Switch and Interface

Connector schematic diagram 6. . .6-17

FO-7 (Rear) Partial A1 1Interface circuit board

layout and component locator . . ..6-18

AIR FORCE T033A1 -13-496-1

NAVELEX 0969-LP-170-0010

LIST OF ILLUSTRATIONS (cont)

Figure Title Page Figure Title Page

FO-8 (Front) Horizontal Amplifier, +Gate, and 8-7 Circuit Board Assembly, Horizontal

Calibrator schematic diagram 7. ...6-19 Module .8-26

FO-8 (Rear) Partial A1 1Interface circuit board 8-8 Circuit Board Assembly, Trigger

layout and component locator .. . .6-20 (sheet 1of 3) .8-30

FO-9 (Front) Crt and ZAxis schematic diagram 8.6-21 8-8 Circuit Board Assembly, Trigger

FO-9 (Rear) Partial A1 1Interface circuit board (sheet 2of 3) .8-31

layout and component locator ....6-22 8-8 Circuit Board Assembly, Trigger

FO-10 (Front) Power Supply and Interface Con- (sheet 3of 3) .8-32

nector schematic diagram 9.6-23 8-9 Circuit Board Assembly, A

FO-11 (Front) Interconnect Wiring schematic Timing (sheet 1of 2) .8-36

diagram 10 .6-25 8-9 Circuit Board Assembly, B

FO-12 (Front) P6101 and P6104 Probe schematic Timing (sheet 2of 2) .8-38

diagram 11 .6-27 8-10 Circuit Board Assembly, Horizontal .8-40

8-11 Circuit Board Assembly, Sweep

8-1 Oscilloscope, AN/USM-425(V)1 ....8-0 8-43

8-2 Accessories and Cover Assembly. ...8-2 8-11 Circuit Board Assembly, Sweep

8-3 Cabinet and Handle Assembly ... . .8-5 (sheet 2 of 3) .8-44

84 Circuit Board Assembly, Vertical 8-11 Circuit Board Assembly, Sweep

Module .8-7 (sheet 3of 3) .8-45

8-5 Circuit Board Assembly, Vertical 8-12 Electron Tube Assembly .8-50

(sheet 1of 4) .8-12 8-13 Main Chassis Assembly .8-53

8-5 Circuit Board Assembly, Vertical 8-14 Circuit Board Assembly, Interface

(sheet 2of 4) .8-13 (sheet 1of 4) .8-58

8-5 Circuit Board Assembly, Vertical 8-14 Circuit Board Assembly, Interface

(sheet 3of 4) .8-14 (sheet 2of 4) .8-59

8-5 Circuit Board Assembly, Vertical 8-14 Circuit Board Assembly, Interface

(sheet 4of 4) .8-15 (sheet 3of 4) .8-60

8-6 Circuit Board Assembly, Cam 8-14 Circuit Board Assembly, Interface

Switch Channel 1(sheet 1of 2) ...8-22 (sheet 4of 4) .8-61

8-6 Circuit Board Assembly, Cam

Switch Channel 2(sheet 2 of 2) ...8-24

LIST OF TABLES

Number Title Page Number Title Page

1-1 Electrical Characteristics . . 1-2 4-2 Functions of Controls, Connectors,

1-2 Environmental Characteristics ..... 1-7 and Indicators .4-30

1-3 Physical Characteristics ..1-8

5-1 Operational Checkout Procedures. . . 5-1

2-1 Test Equipment List ..2-1 5-2 Preventive Maintenance Schedule ...5-20

22Consumable Materials List ..2-3 5-3 External Inspection Checklist . . . ..5-21

5-4 Internal Inspection Checklist .5-23

5-5 Power Supply Tolerance and Ripple .5-30

4-1 Attenuation and Gain Switching

Sequence .... . . 4-5 6-1 Reference Designators .6-1

V(vi blank)

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