Tektronix 2235 Bedienungsanleitung

2235

OSCILLOSCOPE

SERVICE

INSTRUCTION

MANUAL

Ictro

ηά

THE

NG S

ERV

ICI

CTIONS

R US

PER

NNEL

ONL

O A

OID

PER

NJUR

DO NOT

PER-

ORM

ANY

SERV

ICI

GOTHERTHAN

THAT

TAI

OPER

ATI

NST

CTIONS

UNLE

REFER

OP-

ERATORS

UMM

RY A

D S

ERV

UMM

RY PR

PERF

ANY

SERV

tro

atio

eting

ter

for

uct

Information,

call

1-800-426-2200

ext

ego

call

collect

(503)627-9000

ext

atio

eti

Box

500 D/S

6-088,

eaverto

97077

PLE

ATIO

THE

2235

OSCILLOSCOPE

ERV

CTIO

tronix,

Inc

Box

500

eaverto

Oregon



97077



Serial

umber

ITT

ELLEN

070-4206-00



irst

rinting

1982

uct

Gro



evised

MAY

1983

Copy

1982

k tro n

ix,

All rig

h ts

rese

ved

tents

publicatio n

may

not

e re pr

oduce

any

form

wit

out

itten

missio

n of

tronix,

Inc

Prod

cts

tronix,

and

its

sub

sidia

ies

are

cove

and

foreign

atents

and

/or

pen

ding

ate

IX,

ΤΕΚ

SCO

PE-M

LE,

are

registered

emar

k s of

Tek

ix,

n c

ELE

PMEN

registered

tra

emar

k of

k tro n

imited

Printe

ecificatio

n and

rice

c h

ange

rivileges

are

reserved

NST

RUMEN

NUMBER

Each

strume

ial

b er

on αpa

sert,

tag,

stam

ped on

e ch

assis

st n u

letter

desig

ates

country

ufact

last five

igits

e se

r ial

are

assigne

d se

entially

nd a

que

eac

str

hose

fact

h e

United

States

have

six

que d

igits

The coun

try

facture

den

tifie

d as

follows

ΒΟΟΟΟΟΟ



ix,

n c

eaverto

ego

USA

100000



tronix

sey,

han

nel

islands

200000



onix

ite

d K

gdom,

don

300000



Sony/Te

t r

ix,

apa

700000



Holla

NV,

Hee

envee

e Neth

erla

BLE

2235

Service

LIST

ILLUSTRATIONS



...................



iii



SECTION



THEORYOF

OPERATION

LIST

TABLES



. .

....

...................



iii



INTRODUCTION

........

.....

...



3-1

OPERATORS

SAFETY

SUMMARY



.............



GENERAL

DESCRIPTION



........



3-2

SERVICING

SAFETY

SUMMARY

............

...



DETAILEDCIRCUIT

DESCRIPTION



3-3

VERTICAL

ATTENUATORS

.....



3-3

SECTION



SPECIFICATION



Coupling

....

.........



3-3

INTRODUCTION

................



1-1



uffer

Amplifier

and

Gain

ACCESSORIES

..............

...

1-1



Switching

Network

..........

3-4

PERFORMANCE

CONDITIONS

....



1-1



Paraphase

Amplifier

........



3-4

VERTICAL

PREAMPLIFIERS



. . .

3-5

SECTION2



OPERATING

INSTRUCTIONS



CHANNEL

SWITCH

PREPARATION

FOR

USE



....



2-1



VERTICAL

OUTPUT



........



3-5

SAFETY

...............

....

2-1



Delay

ine

Driver

.........

3-6

INE

VOLTAGE



.........

....



2-1



ertical

Output

Amplifier

...

. .



3-6

POWER

CORD

........

. .....

2-1



Sweep

Separation

Circuit

3-7

INE

FUSE

.........

....

.....



2-1



TRIGGER

AMPLIFIERS

AND

INSTRUMENT

COOLING

.......



2-2



SWITCHING

.........

.......



3-7

CONTROLS,



CONNECTORS,



AND



Internal

Trigger

.....

.......



3-7

INDICATORS

...

.....

...........



2-2



Internal

Trigger

Amplifier



.....



3-8

POWER,

DISPLAY,

AND

PROBE



External

Trigger

lifier

...



3-8

ADJUST



...

................



2-2



ine

Trigger

Amplifier

........



3-8

VERTICAL



....

...........



2-3



TRIGGER

GENERATOR

......



3-9

HORIZONTAL

................



2-4



Trigger Level

Circuit

.......



3-9

TRIGGER



...................



2-6



Trigger

evel

Comparator



. .



3-9

REAR

PANEL

................



2-7



Schmitt

Trigger

and

OPERATING

CONSIDERATIONS

...



2-8



Trigger

Circuit



.............



3-9

GRATICULE

..............

...



2-8



SWEEP

GENERATOR

AND

GROUNDING

.............

...

2-8



OGIC

... .................. .

3-9

SIGNAL

CONNECTIONS

...



2-8



iller

Sweep

Generator

...



3-10

INPUT

COUPLINGCAPACITOR



Sweep

ogic



.........

. .



3-11

PRECHARGING

..........

...

2-8



ALTERNATE

SWEEP

......

3-11

OPERATOR'S

ADJUSTMENTS

...



2-9



iller

Sweep

Generator

...



3-12

INTRODUCTION



......

...

....



2-9



Trigger

evel

Comparator



3-12

TRACE

ROTATION

...

....

.....



2-9



Runs

After

Delay

.....



3-12

PROBE

COMPENSATION

. .

....



2-9



Delay

Time

Position

OSCILLOSCOPE

DISPLAYS

......

2-10



Comparator

........

......

3-12

INTRODUCTION



.... .........

2-10



Swee

ogic



. .

...

.......

3-12

ASELINE

TRACE

.. ..........



2-10



Alternate

Dis

lay

Switching

SIGNAL

DISPLAY



. .

..........

2-11



ogic



........

...........

3-13

AGNIFIED-SWEEP

DISPLAY



. .



2-11



ΒΖ

-Axis

ogic

.....

.......



3-13

DELAYED-SWEEP

DISPLAY

....

2-11



HORIZONTAL

...

............

3-13

DELAYED-SWEEP



Horizontal

Pream

lifier

.......

3-14

MEASUREMENTS

............



2-11



Amplifier



........



3-14

SINGLE-SWEEP

DISPLAY

......



2-12



Horizontal

Output

Amplifier

...



3-15

DISPLAY

............... .

2-12



Z-AXIS

AMPLIFIER

...........

3-15

SIGNAL

DISPLAYS



....... .

2-12



Restorer

...............

3-16

2235

Service

Page



Page

SECTION



THEORYOF

OPERATION

(cont)



SECTION



AINTENANCE

(cont)

POWER

SUPPLY

AND

PROBE



NTRODUCTION



...........

. .



6-2

ADJUST

.............

.....

. .



3-17



GENERAL

CARE

...........



6-2

Power

Input

........

.....

. .

3-17



INSPECTION

AND

CLEANING



6-2

Preregulator

........

.....

. .

3-17



LUBRICATION

............

. .

6-4

Inverter

............

.....

. .

3-18



SEMICONDUCTOR

CHECKS

. .

6-4

Crt

Supply

.........

.....

. .

3-18



PERIODIC

READJUSTMENT



. .

6-4

Focus

Circuit

.......

.....

. .



3-18



TROUBLESHOOTING

.........

. .



6-5

ow-Voltage

Supplies



.....

. .



3-19



INTRODUCTION



...........

. .



6-5

Probe

Adjust



......

. .



3-19



TROUBLESHOOTING

AIDS



. .



6-5

TROUBLESHOOTING

EQUIPMENT

.............

...

6-6

SECTION



PERFORMANCE

CHECK



TROUBLESHOOTING

PROCEDURE



TECHNIQUES

............

. .

6-6

INTRODUCTION

..........

.....

4-1



CORRECTIVE

MAINTENANCE

. .

6-10

PURPOSE

.............

...

. .

4-1



INTRODUCTION

..........

...

6-10

STRUCTURE

..........

.....

4-1



AINTENANCE

PRECAUTIONS



6-10

TEST

EQUIPMENT

.....

4-1



OBTAINING

REPLACEMENT

IMITS

AND

TOLERANCES

...



4-1



PARTS



. .

..............

. .



6-10

PREPARATION

FOR

CHECKS



4-2



AINTENANCE

AIDS



......

...



6-10

INTRODUCTION



NTERCONNECTIONS

......

. .

6-10

PERFORMANCE

CHECK

STEPS



4-3



TRANSISTORS

AND

VERTICAL



............

.....



4-4



INTEGRATED

CIRCUITS

... ....



6-11

HORIZONTAL

..........

....



4-8



SOLDERING

TECHNIQUES



....



6-12

TRIGGER



.............

.....



4-12



REMOVAL

REPLACEMENT

EXTERNAL

Z-AXIS

AND

PROBE



NSTRUCTIONS

.........

....



6-13

ADJUST

..............

....

4-15



Cabinet

..............

....

6-13

Cathode-Ray

Tube

...... ....



6-13

SECTION5



ADJUSTMENT

PROCEDURE



Power-Supply

Shield

...

....



6-14

INTRODUCTION

................



5-1



ilter

Circuit

oard

. .

....



6-14

PURPOSE



..................



5-1



Alt

Sweep

Circuit

oard



....



6-15

STRUCTURE



................



5-1



Attenuator

Circuit

oard



....



6-15

TEST

EQUIPMENT

...........

5-1



Timing

Circuit

oard

...

....

6-16

IMITS

AND

TOLERANCES



....



5-1



ottom

Shield,

Attenuator

ADJUSTMENT

INTERACTION



. .



5-1



Timing

Circuit-Board

odule

. .



6-17

PREPARATION

FOR



Front-Panel

Circuit

oard



....



6-17

ADJUSTMENT

...............

5-1



ain

Circuit

oard

. .

.......

6-18

INDEX

TOADJUSTMENT



REPACKAGING

SHIPMENT



6-20

PROCEDURE

STEPS



.........



5-3



SELECTABLE

COMPONENTS



. .



6-20

POWER

SUPPLY

AND

CRT

DISPLAY

5-4

VERTICAL

....................



5-6



SECTION



OPTIONS

ORIZONTAL

..................

5-14

TRIGGER



....................



5-20



SECTION8



REPLACEABLE

ELECTRICAL

PARTS

EXTERNAL

Z-AXIS

AND

PROBE



SECTION



DIAGRAMS

ADJUST

. .

...................

5-24

SECTION

REPLACEABLE

MECHANICALPARTS

SECTION



AINTENANCE



Accessories

STATIC-SENSITIVE

COMPONENTS



6-1

PREVENTIVE

MAINTENANCE

.....

6-2



CHANGE

INFORMATION

ιι

BLE

(cont)

IST

LLU

ATIO



age

igu



age

2235

Oscillosco

.........

.....

. .



2-7



ear-

anel

con

ector

.............

. .



2-7

1-1



aximum



inp



voltage



fre



2-8



Gratic

meas

reme

mar

ngs

...... ..



2-8

ating

curve

for

RΥ



2-9



com

satio

............. .

. .



2-10

and

ΕΧ

NPU

conn

ecto

..... ..

...

. .



1-7



3-1



loc

iagram

tical

Atte

uators



3-4

2-1



oltage,

ower

cord,

fuse

data

....

. .



2-1



3-2



loc

diagram

annel

Switch

ing

2-2



use

and

ower

d connector

. .



2-2



circ

itry

.......

............

.....

...



3-6

2-3



ower,

dis

lay,

and

probe

dju

con

trols



3-3



loc

k diagram

Sweep

Generator

conn

ector

and

icator

...

. .

.......



2-3



and

ogic

Circuitry



...........

.......



3-10

2-4



ertical

controls

ecto

r s

........



2-4



3-4



loc

diagram

orizontal

lifier



3-14

2-5



orizontal

controls



......

.....

........



2-5



3-5



Sim

lified

diagram

estorer

2-6



Trigger

controls,

connector,

and

indicator



2-6



circuitry



......

............. ........



3-16

6-1



ulti-co

ector

older

ientatio



.......



6-6

IST

FTA

BLE

2235

Service



age



age

1-1



lectrical

aracte

istics

. .

.....

........



1-2



5-4



Attenuator

Compensatio

stme

...



5-9

1-2



nvironmental

aracteristics

...

.......



1-8



5-5



Settings

for

Bandwid

heck



.........



5-12

1-3



ysical

aracte

istics



. .

.....

........



1-9



5-6



Settings

Timing

Accuracy

hecks

.....



5-17

4-1



Test

ment

uired



......

.......



4-2



5-7



Setti

ngs

for

Delay

Time

Acc

racy

hec



5-18

4-2



Deflectio

Acc

racy

imits

.....

.......



4-4



5-8



Switch

Combinations

for

Triggering

4-3



Setti

ngs

for

heck



........



4-6



.............

.........



5-21

4-4



Setti

ngs

for

Timi

Acc

racy

hecks

.....



4-9



6-1



elative

sce

tibility

Static-Disc

4-5



Setti

ngs

for

Delay

Time

Acc

acy

hec



4-10



Damage

.................. .........



6-1

4-6



Switch

Com

atio

igge



6-2



xternal

Ins

ection

heck

list

. .

.........



6-3

heck

................

.....

........

4-12



6-3



Inte

nal

Inspection

heck

list

...

.........

6-3

5-1



ustme

teractio



. .

.....

........



5-2



6-4



ower

Supply L

imits

and

.........



6-8

5-2



ower

Supp

imits

.....

........



5-4



6-5



ance

Aids

......

.....

.........



6-11

5-3



Deflection

Accuracy

imits

.....

........



5-8



6-6



Trigge

Alteration



. .

........



6-20

2235

Service

Symbols

Manual

PER

ATO

UMM

e gener

safety

information

art

of t

e s

mmary

for

bot

operating

vicing

perso

nel

Specific

warnings

and

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loss

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power

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voltage

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2-1

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man

Your

Tek

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local

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Τα

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1-3

Andere Handbücher für 2235

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Tektronix 420 Bedienungsanleitung

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