Tektronix 7612D User manual

Service

Manual

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Tektronix

067-0587-10

7612D

Calibration

Fixture

Signal

Standardizer

(Supplement

067-0587-02)

070-6178-00

Original

Dart

nich!

vertichen

weed

KST

O24

Helmut

Singer

Elektronik

All

reference

the

067-0587-02

the

070-2427-00

manual

now

apply

the

067-0587-10

—

7612D

Calibration

Fixture.

Warning

The

servicing

instructions

are

for

use

qualified

personne!

only,

avoid

personal

injury,

not

perform

any

servicing

unless

you

are

qualified

so.

Refer

the

Safety

Summary

prior

performing

service.

First

Edition:

May

1986

Tektronix,

Inc.

1986.

All

rights

reserved.

Tektronix

products

are

covered

U.S.

and

foreign

patents,

issued

and

pending.

Information

this

publication

supercedes

that

all

previously

published

material.

Specifications

and

price

change

privileges

reserved.

Printed

the

U.S.A.

Tektronix,

Inc.,

P.O.

Box

1000,

Wilsonville,

97070-1000

TEKTRONIX

and

TEK

are

registered

trademarks

Tektronix,

Inc.

0867-0587-10

FRONT

INSTRUMENT

$135

LOCATION

Figure

1-1.

067-0587-10

7612D

calibration

fixture

signal

standardizer

with

right

cover

removed

($135

location).

087-0587-10

GENERAL

INFORMATION

INTRODUCTION

This

067-0587-10

Instruction

Manual

contains

supplemental

information

and

partial

diagram

for

the

Signal

Standard-

izer,

067-0587-02

Calibration

Fixture

Manual.

The

information

the

067-0587-02

manual

the

same

needed

for

the

067-0587-10

except

noted

below.

When

combined

together

the

067-0587-02

Instruction

Manual

provides

operating

and

servicing

information

for

the

067-0587-10.

Insert

the

version

before

Section

the

manual.

067-0587-02

VERSUS

067-0587-10

The

067-0587-10

test

instrument

used

calibration

aid

for

optimum

adjustment

Tektronix

7612D

Program-

mable

Digitizers.

The

difference

between

the

067-0587-02

Signal

Standardizer

used

the

calibration

7000

Series

oscilloscope

mainframes

and

the

067-0587-10

the

signal

comming

from

the

PRETRIG

OUT

connector

the front

the

instrument.

the

GAIN

position

the

signal

out

will

not

pretrigger

signal

instead,

the

067-0587-10

will

generate

one

trigger

per

staircase

signal.

The

version

generates

one

pretrigger

pulse

for

each

step

the

staircase

signal.

Since,

the

7612D

calibration

software

requires

one

trigger

per

staircase

when

checking

GAIN

the

067-0587-10

will

pri-

marily

used

the

calibration

7612D's.

OPERATION

The

switch

($135)

mounted

the

back

side

the

Main

Interface

circuit

board.

When

the

switch

pushed

the

forward

position

the

instrument

jis

functioning

067-0587-10

and

when

the

switch

pushed

toward

the

rear

the

instrument

functions

unmodified

067-0587-02.

Switch

locations

are

illustrated

figure

1-1.

The

067-0587-10

provides one

trigger

for

each

staircase

generated

and

the

trigger

occurs

the

beginning

the

staircase.

The

verification

procedure

the

only

additional

Perfor-

mance

Check

required.

After

completing

the

calibration

pro-

cedure

contained

Section

the

Instruction

Manual

for

the

067-0587-02

pertorm

the

067-0587-10

staircase

trigger

verification

check.

1-1

067-0587-10

STAIRCASE

TRIGGER

PERFORMANCE

VERIFICATION

Equipment

Required:

(Numbers

correspond

those

listed

Table

5-3,

Test

Equipment

the

067-0587-02

manual.)

Tektronix

7000-series

mainframe

T904A

Tektronix

Timebase

7B80

§.

Tektronix

Vertical

Amplifier

TAIBA

19.

Bne

inch

cable

012-0057-01

BEFORE

YOU

BEGIN:

Set

the

Vertical

mode

for

alternate

vertical

display.

Turn

off

power

the

mainframe

oscilloscope.

Set

the

7B80

controis

for

stable

display

one

install

the

timebase

the

right

most compart.

two

cycies

the

staircase.

ment

and

the

vertical

amplifier

the

left

most

compartment

the

maintrame.

Slide

the

calibration

fixture

mode

switch

from

the

position

the

position.

Remove

the

right

side

cover

(with

the

front-panai

forward).

See

figure

1-1,

CHECK—That

the

staircase/trigger

signals

dis-

played

your

test

oscilloscope

changes

from

one

trig-

ger

per

staircase

one

trigger

per

each

staircase

step.

Install

the

067-0587-10

the

Inside

vertical

com-

See

figures

1-2

and

1-3.

partment

the

oscilloscope

mainframe.

Return

the

switch

the

position.

§.

Turn

oscilloscope

power

switch

on.

Replace

the

right

side

cover

the

Signal

Standardizer,

F1,

CHECK

STAIRCASE

TRIGGER

SIGNAL

Connect

the

PRETRIG

OUT

the

067-0587-10

the

vertical

amplifier

input

with

the

bne

cable.

This

concludes

the

performance

verification

check.

4-2

067-0587-10

LEVEL

Pbobbelsfippepebobapofopadidiy

STEP

NUMBER

6178-02

LEVEL

AULA

bbedipedstebrfepepotufofopibspt

STEP

NUMBER

6778-03

Figure

1-2.

Staircase

trigger

signals

with

067-0587-10.

Figure

1-3.

Staircase

trigger

signals

with

067-0587-02.

1-3

Replaceable

Electrical

Parts~067—-0587-10

Tektronix

Serial/Assembly

No.

Mfr,

Component

No,

Part

Effective

Dscont

Name

Description

Code

Mfr,

Part

No.

R438

345-0102-00

RES

,FXD

FILM:

OHM

0.258

57668

NTRZ2SJEO1KO

R135

315-0152-00

RES

FXD

FILM

1.5K

OHM

25K

57668

NTR25J-E01K5

$135

260-164

1-00

SWITCH

SLIQE:DPOT

0,58,

425V0C

40389

«=

23~021-114

136

WIRE

ELECTRICAL:

ANG

BARE

4139

RIRE,

ELECTRICAL:

20 AKG

BARE

{REPLACEABLE

PORTS

FOR THE

STANDARD

067~-0567-02

CAN

FOUND

THE

OPTIONAL

ACCESSORIES

MANUAL

LISTED

BELOK)

STANDARD

ACCESSORIES

O70-6178-00

MANUAL,

TECH:

SUPPLEMENT

76120

80009

070-6178-00

OPTIONAL

ACCESSORIES

070-2427-00

MONUAL

TECH:

INSTRUCTION

B0G08

a70-2427-00

CROSS

INDEX

MFR.

CODE

NUMBER

MANUFACTURER

Mfr.

. ;

Coge

Manufacturer

Address

City,

State,

Zip

Code

40389

TLLINOTS

TOOL

RORKS

INC

4744

DBMEN

AVE

CHICAGO

60647

57668

ROHN

CORP

46934

MILLIKEN

AVE

IRVINE

92743

80009

TEKTRGONIX

ENC

4900

GRIFFITH

BEAVERTON

97077

BOX

500

1-4

<I>

YOLWYRNSD

ISVDUIVLS

Ol-

£850-190

OUVOs

NIVA

TWHLayd

}

SVOLSISTS

“ALO

BLiON

Lie

‘

ain

ors

nny

aay

Sea

Cura

AGI

vebe

ava

Yeh

DOIPE

4 :

OLIN

eretiens

wrbs.

pee”

ooz

Bessie

bot

vive

oelO

af!

a00N

Pours

wre

avo1

BSVIAIVIS

4931:

BSYIUIVIS~

why

Orv’by’sy

raat

ASt

Lvay'S¥

logs

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80°

bee

Sp ;

ote

OST.

L9G

SOT

bet

‘

nee

eis

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Tore

sae

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wet

wits

swnconsonnstn

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vot

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same

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cost

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wzs

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040-

1204-00

7612D

CALIBRATION

COMPATIBILITY

For

TEKTRONIX®

067~-0587-02

Signal

Standardizers

Serial

Numbers

8010100

This

kit

contains

parts

and

Instructions

modify

067-0587-02

Signal

Standardizer

Calibration

Fixture

067-0587-10

7612D

Signal

Standardizer

Calibration

Fixture.

The

new

standardizer

includes

switch,

$135,

which

allows

one

switch

between

067-0587-10

and

067-0587-02

operation.

the

~10

position.

the

signal

coming

from

PRETRIG

OUT

generates

one

trigger

for

each

staircase

signal

when

used

with

the

TEST

switch

the

GAIN

position.

the

~02

position,

pretrigger

signal

produced

instead.

1986

22-MAY~1986

page

]

Tektronix,

Inc.

Ali

Rights

Reserved

ast

TEKTRONIX.

SCOPE-MOBILE

and

ate

registered

trademarks

Tektronix,

inc.

SONY

TEKTRONIX

registered

trademark

Sony

Tektronix,

inc.

KIT

PARTS

UST:

Ckt.

Number

Quantity

Part

Number

Description

070~-6178-00

Manual.

tech

supp.

7612D

cal

fixture

136

139

Wire.

elec,

20AWG.

bare

$135

260-1641-00

Switch.

slide,

DPDT.

0.5A.

125V

R134

315-0102-00

Resistor,

film,

kn,

5%,

0.25W

R135

315-0152-00

Resistor,

film.

1.5ka,

5%,

0.25W

Pea

treet

mete

Marker,

idant,

mkd

067-0587-10

INSTRUCTIONS:

WARNING

RH:

Before

proceeding,

ensure

the

instrument

power

switch

the

off

position,

then

remove

the

cal fixture

from

the

mainframe.

Remove

the

right

side

cover

from

the

plug-in

test.

fixture.

Cut

the

circuit

board

run

(which

will

beneath

S135

when

installed)

shown

Fig.

Install

S135,

R134

and

R135

with

the

included

bare

wire

shown

Fig.

Cas

aid

the

rough

location

the

switch.

see figure

1-1

the

included,

supplementary

Service

Manuai).

Affix

the

included

Identification

marker

directly

the

plug-in

front

panel.

over

the

nomenciature

*067-0587-02."

Verify

pertormance

the

newly

modified

test

fixture

with

the

procedure

page

1-2

the

included.

supplementary

Service

Manual.

040-1204-00

page

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