Tektronix 7904A Manuel utilisateur

Table des matières

Autres manuels Tektronix Équipement de test

Tektronix

Tektronix 585A Manuel utilisateur

Tektronix

Tektronix TBS1032B Manuel utilisateur

Tektronix

Tektronix CMD 80 Manuel utilisateur

Tektronix

Tektronix 453 Manuel utilisateur

Tektronix

Tektronix TBS1000 Series Guide de l'utilisateur

Tektronix

Tektronix 323 Manuel de service

Tektronix

Tektronix P6109B Manuel utilisateur

Tektronix

Tektronix MDO3104 Manuel

Tektronix

Tektronix 551 Dual Beam Manuel utilisateur

Tektronix

Tektronix 2465B Manuel utilisateur

Tektronix

Tektronix TDS 500B Manuel d'utilisation et d'entretien

Tektronix

Tektronix TBS2000 Series Manuel utilisateur

Tektronix

Tektronix 2213 Mode d'emploi

Tektronix

Tektronix TCP202A Manuel utilisateur

Tektronix

Tektronix 516 series Manuel utilisateur

Tektronix

Tektronix 2235 Manuel utilisateur

Tektronix

Tektronix 556 Manuel utilisateur

Tektronix

Tektronix KEITHLEY 8009 Manuel utilisateur

Tektronix

Tektronix TDS 500C Manuel utilisateur

Tektronix

Tektronix 7B53N Manuel utilisateur

Tektronix

Tektronix MSO73304DX Manuel utilisateur

Tektronix

Tektronix 7140 Manuel utilisateur

Tektronix

Tektronix 7B85 Manuel utilisateur

Tektronix

Tektronix 7844 Manuel utilisateur

Manuels Équipement de test populaires d'autres marques

SMART

SMART KANAAD SBT XTREME 3G Series Manuel utilisateur

Agilent Technologies

Agilent Technologies BERT Serial Manuel utilisateur

Agilent Technologies

Agilent Technologies N3280A Manuel utilisateur

Vernier

Vernier Go Direct Voltage Manuel utilisateur

Lifeloc

Lifeloc R.A.D.A.R. Manuel utilisateur

Fluke

Fluke T5-600 Instructions d'utilisation et d'installation

Mercury

Mercury TSL01 Manuel utilisateur

MAHA

MAHA MBT Series Manuel utilisateur

Fuji Electric

Fuji Electric P-61 Manuel utilisateur

ETC

ETC SealerAtor Manuel utilisateur

Skyfine

Skyfine ETHYWAY V2 Manuel utilisateur

Appion

Appion G5 Twin Manuel utilisateur

PCB Piezotronics

PCB Piezotronics 8159-0112A Manuel utilisateur

BW Technologies

BW Technologies MicroDock II Manuel utilisateur

Sun Nuclear

Sun Nuclear 1027 Manuel utilisateur

Biomark

Biomark HPR LITE READER Manuel utilisateur

Hioki

Hioki 3169-20 Manuel utilisateur

Ashcroft

Ashcroft ATE-100 Manuel utilisateur

7

eJ

ctron

nc~

Te

k

tronix,

I

n

c

.

Ρ

.

Ο

.

Box

500

B

ea

υ

erto

n

,

Orego

n

97077



Seria

l

N

umber

COMMITTED

TO

E

XC

ELLEN

C

E

PLE

AS

E

C

HE

C

K

F

O

R

C

H

A

N

G

E

I

NF

ORM

ATIO

N

AT

THE RE

A

R

O

F

T

H

IS

M

A

NU

A

L

.

7904

Α

OSCILLOSCOPE

WITH

OPTIONS

I

N

ST

RU

CTIO

N

M

A

NU

A

L

070-4593-00



F

irst

P

ri

n

ti

n

g

ΜΑΥ

1983

Pr

o

du

ct

Gro

up 42



R

evise

d

FEB

1986

Co

p

yrig

h

t

©

1983

Te

k

tro

n

ix,

I

nc

.

A

ll

rig

h

ts

reserved

.

Co

n

tents

of

t

h

is

p

ub

l

i

catio

n

may

not

be

re

p

ro

d

uce

d

i

n

a

ny

form

wit

h

o

u

t t

he

wr

i

tten

permissio

n

of

Te

k

tro

n

ix,

I

n

c

.

P

ro

du

cts

of

Te

k

tro

n

ix,

I

nc

.

a

nd

i

ts

subsi

d

iaries

are

covered

by

U

.S

.

a

nd

foreig

n

p

atents

an

d/or

pe

nd

i

n

gp

aten

ts

.

T

EK

TR

O

N

IX,

ΤΕΚ

,

SCO

PE-M

O

B

I

LE,

a

nd

R

are

r

egistered

trademar

ks

of

Te

k

tro

n

i

x,

I

nc

.

T

ELE

O

U

I

PMEN

T

is

α

registere

d

trademar

k

of

Te

k

tro

n

ix

U

.K

.

L

imite

d

.

P

rinte

d

i

n

U

.S

.A

.

S

p

ecificat

i

o

n

and

pr

ice

cha

n

ge

p

rivileges

are reserve

d

.

IN

ST

RUMEN

T

S

ER

IA

L

NUMBER

S

E

ac

h

i

n

str

u

me

n

t

h

as αser

i

al

nu

mber

on

α

p

an

el

i

n

sert,

tag,

or

stamped

on

t

h

e

ch

assis

.

T

he

first

nu

m

b

er

o

r

lette

r

d

esig

n

ates

t

he co

un

try

of

ma

n

ufact

u

re

.

T

he

last

five

d

igits

of

t

h

e

serial

nu

m

b

er are

assig

n

e

d

se

qu

entially

an

da

r

e

un

i

que

to

eac

h

i

n

str

u

me

n

t

.

T

h

ose

ma

nu

facture

d

i

n

t

h

e

Un

ite

d

States

h

ave

six

un

i

qu

e

d

igits

.

T

h

e

country

of

ma

n

ufact

u

re

is

ide

n

tifie

d

as

follows

:

13000000



Te

k

tro

n

ix,

Inc

.,

Beaverton,

Oregon,

USA

100000



Te

k

tro

n

ix

G

u

er

n

sey,

L

t

d

.,

C

h

a

nn

el

Isla

nd

s

200000



Te

k

tronix

Un

ite

d

K

i

ngdom,

L

t

d

.,

L

o

nd

o

n

300000



Sony/Tektronix,

J

apa

n

700000



Te

k

tronix

H

olla

nd

,

NV,

H

eere

n

vee

n

,

T

h

e N

et

h

erla

nd

s

TA

BLE

O

F

CO

N

T

EN

TS

7904

Α

I

n

str

u

ct

i

on

P

AG

E



P

AG

E

L

IST

O

F

I

LLU

ST

R

ATIO

N

S

........

.

. .

.

.

...

.

.

. .

.

.........

.

.

...

ν



O

PER

ATI

N

G

I

N

STRU

CTIO

N

S

(CON

T)

LIST

O

F

TA

BLE

S

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

.

.

......

.

.

.........

.

. .

.

.

. .

vi



VER

TICAL

AND

H

O

R

IZO

N

TA

L

M

OD

E

O

PER

ATO

RS

SA

FE

TY

S

UMM

ARY

.

.

.

. .

.

...

.

.

. .

.

.........

.

. .

.

vii



CO

MB

I

N

ATIO

NS

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

.

.

......

.

.

.....

2-11

VER

TICA

L

M

OD

ES

. .

.

.....

.

.

...

.

. .

.

.

........

2-11

A

L

T

ERN

AT

E

M

OD

E

.......

.

.

......

.

.

.....

2-11

SE

CTIO

N

1-G

ENE

RA

L

INF

ORM

ATIO

N



C

H

O

PPE

D

MOD

E

.........

.

.

......

.

.

.....

2-12

T

E

CHN

ICA

L

M

A

NU

A

L

S

.

.

. .

. .

.

.

.........

.

.

..........

1-1



A

L

G

EBR

AIC

ADDITION

.

.

.

...

.

. .

.

.

........

2-12

I

N

ST

RU

CTIO

N

M

A

NU

AL

. .

.

.

......

.

.

. .

.

..........

1-1



H

O

R

IZO

N

TA

L

MOD

ES

........

.

.

......

.

.

.....

2-12

I

N

STA

L

LATIO

N

..........

.

. .

.

.

......

.

.

..........

.

. .

1-1



A

L

T

ERN

AT

E

M

OD

E

.......

.

.

......

.

.

.....

2-13

I

N

ITIA

L

I

NSPECTION

.

. .

.

......

.

.

. .

.

..........

.

.

.

1-1



CHO

PPE

D

MOD

E

.........

.

.

......

.

.

.....

2-13

P

O

WER

SOUR

C

E

I

N

FO

RM

ATIO

N

. .

.

.

. .

.

..........

1-1



VER

TICA

L

T

R

AC

E

SEP

A

R

ATIO

N

. .

.

......

.

.

.....

2-13

O

PER

ATI

N

G

V

O

L

TAG

E

.... .

.

. .

.

.

..........

.

. .

1-2



T

RIGGER

SO

UR

C

E

...........

.

. .

.

.

...

.

. .

.

.

.....

2-13

P

O

WER

CO

R

D

I

NF

O

RM

ATIO

N

.......

.

. .

.

.

....

1-2



CALI

BR

ATO

R

O

UT

PUT

.......

.

.

. .

.

......

.

.

.....

2-13

O

PER

ATI

N

G TEMPER

AT

URE

.

. .

.

. .

.

.

..........

.

.

.

1-3



V

O

L

TAG

E

.......

.

. .

.

. .

.

.

......

.

.

.........

.

.

2-14

O

PER

ATI

N

G

POSITIO

N

. .

.

. .

.

.

..........

.

.

.....

.

.

1-3



C

URREN

T

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

.

.

. .

.

...

.

. .

.

.

.....

2-14

PAC

K

AGI

NG

FO

R SH

I

PMEN

T

. .

.

.

.......

.

.

. .

.

. .

.

. .

. .

1-3



REPE

TITIO

N R

AT

E

........

.

.

......

.

.

........

2-14

SPE

CI

F

ICATIO

N

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

.

.

. .

.

..........

.

.

.....

.

.

...

1-4



WA

VE

SH

A

PE

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

.

.

......

.

.

........

2-14

SYST

EM

ELE

CTR

ICA

L S

PE

CI

F

ICATIO

N

.

.....

.

. .

.

.

. .

1-12



SIG

NA

L

O

UT

PU

TS

. .

.

. .

.

.

. .

.

......

.

.

......

.

. .

.

.

2-14

STA

N

DA

R

D

ACC

E

SSO

R

I

E

S

.

.

.

. .

.

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

.

.

.....

.

.

. .

1-15



+

SAWTOOT

HOU

T

.

. .

.

......

.

. .

.

.

........

. .

.

2-14

O

P

TIO

N

A

L

ACC

E

SSO

R

I

ES

(NOT

I

N

CLUDE

D)

.

. .

.

. .

.

.

. .

.

. .

1-15



+

GAT

E

O

U

T

. .

.

. .

.

.

. .

.

........

. .

.

......

.

. .

.

.

2-14

SIG

N

A

L

O

UT

.......

.

. .

.

.

. .

.

...

.

.

. .

.

........

2-14

PR

O

BE P

O

WER

.....

.

. .

.

.

. .

.

......

.

.

........

2-14

DIS

P

LAY

PH

OTOG

R

A

PH

Y

. .

.

......

.

.

.........

.

.

2-14

S

E

CTIO

N

2-O

PE

RATI

N

G

I

N

ST

RUCT

I

O

N

S



I

N

T

EN

SITY

M

OD

U

LATIO

N

......

.

.

.........

.

.

...

2-15

PLUG-IN

UN

ITS

.........

.

.

. .

.

......

.

.

. .

.

.........

.

.

2-1



REM

OT

E

INPU

T

SIG

NA

L

S



. .

.

......

.

.

.........

.

.

2-15

I

N

STA

L

LATIO

NO

F

PLUG-IN

UN

ITS

.........

.

.

...

2-1



REM

OT

E

SI

N

G

LE

S

WEEP

RE

SET

.

.

......

.

.

. .

.

2-15

CO

NT

R

O

L

S A

ND

CO

NNECTO

RS

.

.

.

......

.

. .

.

.

. .

.

...

2-1



REM

OT

E

G

RATICU

LE

A

ND

READO

U

T

FR

O

N

T-P

A

NEL

CO

L

O

R

CODI

N

G

......

.

.

......

.

. .

2-1



SI

NG

LE

S

H

OT

........

.

. .

.

. .

........

.

.

......

2-15

O

PER

ATO

RS

C

HE

C

K

O

UTPR

OC

E

D

URE

.

. .

.

......

.

.

.

2-1



A

PPL

ICATIO

N

S

.

. .

.

.........

.

. .

.

.

.........

.

.

...

.

.

.

2-15

T

E

ST

EQU

I

PMENT

RE

QU

I

RE

D

........

.

. .

.

.

......

2-1



VER

TICA

L

AMPL

I

F

I

ER

PLUG-IN

UN

ITS

. .

.

.

......

2-15

PREL

I

M

I

NA

RY

SET

UP

. .

.

.

.........

.

. .

.

.

......

.

.

.

2-5



SI

NG

LE

-TR

AC

E

.

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

.

.

......

.

.

...

.

.

.

2-15

DIS

PLAY

FOC

US

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

.

.

. .

.

......

.

.

.......

2-5



DUA

L-T

R

AC

E

...

.

. .

.

.

. .

.

.........

.

.

...

.

.

....

2-15

T

R

AC

E

ALIG

NMEN

T

.

........

.

.

......

.

.

..........

2-5



T

HREE

-T

R

AC

E

.....

.

.....

.

.

.........

.....

.

.

.

2-16

G

RATIC

ULE

I

LLUM

I

N

ATIO

N

....

.

.

.....

..........

2-5



F

OUR

-T

R

AC

E

......

.

. .

.

. .

.

.

......

.

.

......

.

.

.

2-16

CO

NT

R

O

L

I

LLUM

I

N

ATIO

N

.....

.

. .

.

.

......

.

. .

.

.

. .

2-6



TIME-BASE

PLUG-IN

UN

ITS

......

.

.

......

.

.

....

2-16

VER

TICA

L

D

EFLE

CTIO

N

SYST

EM

.

.

. .

.

.

......

.

. .

.

2-6



SA

MPL

I

N

G

DIS

P

LAYS

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

.

.

...

.

.

.......

2-16

H

O

R

IZO

N

TA

L

D

EFLE

CTION

SYST

EM

.........

.

.

. .

2-6



SI

NG

LE

-T

R

AC

E

SA

MPL

I

NG

.

.

.

. .

.

...

.

.

......

.

2-16

TRIGG

ER

I

N

G

......

.

.

. .

.

......

.

.

.........

.

.

.....

2-7



D

U

A

L-T

R

AC

E

SA

MPL

I

N

G

.........

....

.......

2-16

RE

ADO

UT

........

.

. .

.

. .

.

.

........

. .

.

......

.

.

. .

.

2-7



Χ

-

Υ

SA

MPL

I

N

G

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

.

.

...

.

.

......

.

. .

.

2-16

BE

AMF

I

N

D

ER

. .

.

. .

.

. .

.

. .

.

.

. .

.

......

.

.

......

.

. .

.

.

2-7



S

PE

CIA

L

PURP

OS

E

PLUG-IN

UN

ITS

....

.

.

......

.

2-16

CA

L

I

BR

ATO

R

.

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

.

. .

.....

.

.

. .

.

......

2-8



DIGITA

L

COUN

T

ER

S A

N

D

MUL

TI

ME

TER

Z-AXIS

I

NPUT

. .

.

.

. .

.

.........

.

. .

.

.

...

.

. .

.

.

......

2-8



PLUG-IN

UN

ITS

.

....

.----

........

.

.

..

2-16

DE

TAI

LE

D

O

P

E

R

ATI

NG

I

NF

O

RM

ATIO

N

...

.

.

.........

2-8



PR

OG

RA

MM

A

B

L

E

DIGITIZ

ER

PLUG-IN

G

RATICU

LE

........

.

. .

.

.

.....

. .

.

. .

.

......

.

.

. .

.

.

2-8



UN

IT

.......

.

. .

.

. .

.

.

. .

.

. .

.

...

.

.

......

.

.

. .

.

. .

2-17

G

RATIC

ULE

I

LLUM

I

N

ATION

....

.

.

.........

.

..

.

.

.

2-8



RE

ADO

UT

ACC

E

SS

PLUG-IN

UNIT

.......

.

. .

.

2-17

L

IG

H

TF

ILT

ER

...........

.

. .

.

.

......

.

.

........

. .

2-8



T

R

AN

SISTO

R

C

URVE

-T

RAC

ER

PLUG-IN

CO

NTR

O

L

I

LL

UM

I

N

ATIO

N

.

.

......

.

.

......

.

. .

.

.

. .

2-9



UN

ITS

.

.....

.

.

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

.

..

......

.

. .

.

.

.....

2-17

I

NT

EN

SITY

CO

NTR

O

L

S

.

.

. .

.

.........

.

.

......

.

.

. .

2-9



SPE

CT

RUM

A

N

A

L

YZER

PLUG-IN

UN

ITS

......

2-17

DIS

P

LAY

FOC

U

S

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

.

.

......

.

.

........

2-9



Χ

-

Υ

OPERATION

....

.

. .

.

.

. .

.

.........

.

.

........

2-17

ASTIG

M

ATIS

M

-

F

OC

U

S

AD

JUST

MEN

TS

....

.

.

.....

2-9



R

AST

ER

DIS

PL

AYS

........

.

. .

.

.

.........

.

.

.....

2-18

BE

AMF

I

ND

ER

.

. .

.

.

.........

.

. .

.

.

......

.

.

........

2-9

T

R

AC

E

A

L

IG

NMEN

T

. .

.

.

. .

.

.....

. .

.

.........

.

.

. .

2-10



WA

R

ΝΙΝ

G

RE

ADO

UT

DIS

PL

AY

........

.

.

...

.

. .

.

.

.........

.

2-10

RE

ADO

UT

IDENTIFY

. .

.

......

.

.

.........

.

.

. .

2-10



Th

e

remaining

po

r

tio

n

of

this

Tab

le

of

Co

n

tents

lists

t

h

eser

vici

n

g

RE

ADO

UT

I

N

T

EN

SITY

.....

.

.

. .

.

......

.

. .

.

.

. .

2-10



i

n

st

r

uctio

n

s

by

qualified

p

e

r

so

nn

el

only

.

To

avoi

d

elect

r

ical

RE

ADO

U

TM

OD

ES

.....

.

.

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

.

.

.....

2-10



s

h

oc

k

,

do

not

perform

a

n

y

servici

n

g

othe

r

t

h

an

t

h

at calle

d

o

u

t

in

CA

RE

O

F

C

RT

SC

REEN

.

. .

.

.

.........

.

.

........

2-11



t

h

e

O

p

e

r

ating

I

n

st

ru

ctio

n

s u

n

less

qualified

to

d

o

so

.

7904

Α

I

n

str

u

ctio

n

TA

BLE O

F

CO

N

T

EN

TS (CO

N

T)

P

AG

E



P

AG

E

S

ERV

ICI

N

G

SA

FE

TY

S

UMM

A

R

Y

.........

.....

.

.

......

.

.

. . .

S1



T

HE

O

R

Y

O

F

O

PER

ATIO

N

(CO

N

T)

DIS

P

LAY-S

K

I

P

G

ENER

ATO

R

....

.

.

......

.......

.

3-33

CO

LUMN

AN

D

R

O

W

D

E

COD

ER

S

...

.

.

...

.

.

......

3-33

SECTION

3-THEORY

0F

OPERATION



Z

ER

OS

L

OGIC

A

N

D

MEM

O

R

Y

.

.

.

......

.

.

...

.

.

...

3-34

BL

OC

K DIAG

R

AM

...

.

.

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

.

.

......

.

.

......

.

.

.....

3-1



C

HAR

ACT

ER

G

ENER

ATO

R

......

.

.

......

.....

.

.

3-34

D

E

SC

R

I

P

TIO

N

........

.

. .

.

.

........

......

.

.

......

.

.

3-1



D

E

CI

M

A

L

POINT

L

OGIC

AN

D CHA

R

ACT

ER

D

ETAI

LE

D

CI

R

CU

IT

O

PER

ATIO

N

.

.

. .

.

......

.

.

...

.

.

......

.

.

3-3



POSITIO

N

CO

UNT

ER

....

.

.

.........

.

.

.....

.....

3-36

LOGIC

FUN

DA

MEN

TA

LS

.......

.

.

......

.

.

......

....

3

-

3



FO

RM

AT

G

ENER

ATO

R

. .

.....

.

. .

.

.

. .

.

...

.

.

...

.

.

3-37

SY

MB

O

L

S

....

.

.....

.

.

......

.

.

......

.

.

......

.

.

. .

3-3



Υ

-O

UT

PU

T

....

.

.

. .

.

.

..........

.....

.

. .

.

.

.....

..

3-37

L

OGIC

PO

L

A

R

ITY

.

.

......

.

.

. .

.

.... .

......

.

.

.....

3-3



Χ

-O

U

T

PUT

.......

.

.

. .

.

.

..........

........

.....

.

3-37

I

NPU

T/O

U

T

PU

T

TA

B

LE

S

....

.

.

......

.

.

......

....

3-3



DIS

PLAY SE

QUENC

E

..

.

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

.

.

...

.

.

...

.

3-37

NON-DIGITAL

D

EV

IC

E

S

...

.

..

.

.

...

.

.

......

.

.

......

.

3-3



RE

ADO

UT

SYST

EM

(S

Ν

Β

031767

&

Above)

.....

.

.



3-37

I

NT

ER

CO

NNE

CTI

NG

DIAGR

AM

....

.

.

......

.

.

...

.

.

. .

3-6



DIS

PLAY FO

RM

AT

. .

. .

.

. .

.

.

. .

. .

. .

. .

.

.. . .

. .

.



3-37

M

OD

E

S

W

ITC

H

,

DIS

PL

AY

CO

N

T

R

O

L

A

ND



D

EVEL

O

P

I

N

G

THE

DIS

PLAY

. .

.

. .

...

.

. .

. . . .

.

.

3-39

CA

L

I

BR

ATO

R

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

.

.

. .

.

...

.

.

. .

.

......

.

.

...

.

3-6



TI

MER

. .

.

. .

.

.

..

.....

. .

.

.

.....

...

.

. .

.....

.



3-41

CALI

BR

ATO

R

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

.

.

......

.

.

......

.

.

...

.

3-6



TIME-SLOT

CO

UN

T

ER

.

.

. .

.

. .

.

..

. .

.

. .

. .

.

. .

.



3-44

M

OD

E

S

W

ITC

H

I

N

G

...........

.

.

...

.

.

......

.

.

....

3-6



W

O

R

D

TR

IGG

ER

.

. .

.

. .

.

. .

. .

.... .

.

.

. .

. .

.

. .

.



3-44

DIS

P

LAY

CO

NTR

O

L

..........

.

.

...

.

.

...



.....

...

3-6



C

H

A

NNEL

CO

UN

TER

. .

.

.

...

.

. .

.

. .

.

.. . . .

.

...



3-44

MAIN INTERFACE

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

.

.

..... .

.

.

......

.

.

.

3-6



SI

N

G

LE

-S

H

OT

L

OC

K

O

UT

...

.

. .

. .

.

.

.....

. .

. .

.

3-45

LOGIC

...

.

.

. .

.

. .

.

.

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

......

.

.

......

.

.

.3-6



EN

CODIN

G

THE

DATA

.

.

.

.. .

.

. .

.

. .

.

.....

. .

. .



3-45

H

O

R

IZO

N

TA

L

L

OGIC

.

.

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

.

.

.....

......

3-8



CO

L

UMN

A

ND

R

O

W

DATA

S

W

ITC

HE

S

......

.

.



3-46

Α

S

WEEP

L

OC

K

O

UT

.

.

..........

.

.

......

.

.

...

3-8



DISP

LAY-S

K

I

P

G

ENER

ATO

R

. . . .

. .

.

.

.. .

.

. .

. .

.



3-47

ΒS

WEEP

L

OC

K

O

UT

STAG

E

.......

......

.

.

...

3-8



COL

UMN

A

ND

RO

W

D

E

COD

ER

S

.

.

.

. .

......

.

.



3-47

A

L

T

ERN

AT

E

PUL

S

E

G

ENER

ATO

R

...

.

.

.....

...

3-9



Z

E

R

OS

L

OGIC

A

ND

MEM

O

R

Y

.

. .

.

.

...

.....

.

.



3-47

Z-AXIS

LOGIC

. .

.

. .

.

.

. .

.

.

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

......

.

.

. .

3-10



CH

A

R

ACT

ER

G

ENER

ATO

R

..

.

.

. .

.

. .

. .

. .

.

. .

.

.



3-48

HO

R

IZO

N

TA

L

B

I

NARY

.

.

. .

.

.

. .

.

.

..........

.

.

...

.

3-11



HO

R

IZO

NTA

L

CHAR

ACT

ER

P

OSITIO

N

CO

UN

T

ER

3-50

1

.

Α

MODE

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

.

. .

.

.

.

..........

.

.

...

.

3-11



DE

CI

M

AL

POSITIO

N

L

OGIC

.

.

.

. .

.

......

. .

.

.

.



3-50

2

.

Β

MODE

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

.

.

.

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

.

.

.

3-12



VE

CTO

R

G

EN

E

R

ATO

RS

.

. .

.

.

. .

.

.

.... . .

. .

.

.

.



3-51

3

.

C

H

O

P

M

OD

E

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

. .

.

.

..........

.

.

.

3-12



O

UT

PU

T A

MPL

I

F

I

ERS

. .

. .

.

.

. .

.

.

. .

......

.

.

.

.



3-51

4

.

ALT

M

OD

E

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

.

.

.

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

.

3-12



SIG

NA

LS

O

U

T&

I

NT

EN

SITY

L

I

M

IT

ER



...

.

. .

.

.

. . .

.



3-51

VER

TICA

L

B

I

NA

RY

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

. .

.

.

..........

3-13



+

SAWTOOT

H

A

MPL

I

F

I

ER

...

.

.

.........

.... .

.



3-51

1

.

Α

0

RΒ

MODE

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

.

.

. .

.

.

..........

3-13



+

GAT

E

A

MPL

I

F

I

ER

.....

.

.

.....

..

.

......

.

.

. . .

.



3-51

2

.

A

L

T

O

R

C

H

O

P

M

OD

E

(

H

O

R

IZ)

:



EN

D O

F

GAT

E

PU

L

S

E

G

ENER

ATO

R

...

.

.

...

.

.

.

3-51

N

O

N

D

E

LAY

E

D

. .

.

.

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

.

.

. .

.........

3-13



G

RATIC

ULE

I

LLUM

I

N

ATIO

N

. .

.

..

.

.

.....

...

.

.

.



3-51

3

.

A

L

T

O

R

C

H

O

P

M

OD

E

(

H

O

R

IZ)

:



I

NT

EN

SITY

LI

M

IT

ER

. .

.

.

......

.

. .

.

.

...

.

.

...

.

. .

3-52

D

E

LAY

E

D

. .

.

. .

.

. .

.

.

......

.

.

..........

.

.

. .

...

3-13



VER

TICA

L

CHA

NNEL

S

W

ITC

H

.

.

. .

.

.

.....

...

.

.

. . .



3-52

PLUG-IN

BINARY

. .

.

......

.

. .

.

.

..........

.

.

.

....

3-14



C

H

A

NNEL

S

W

ITC

H

.

.

.

......

.

.

......

.

.

...

...

.

.



3-52

VER

TICA

L

C

H

O

PPE

D

BL

ANK

I

N

G

.

.

..........

.

.

. .

3-15



VERTICA

L

CH

A

NNEL

S

ELE

CTO

R

.

..

.

...

.

.

. .

.

.

.



3-52

CHO

P

COUN

T

ER



.........

.

.

..... .

.

.

..........

.

3-17



R

IG

HT A

ND

LE

FT

C

HA

NNEL

FEEDBE

SID

E

...

.

.



3-53

VER

TICA

L

MOD

E

L

OGIC

.....

.

.

...

.

.

..........

.

3-19



VER

TICA

L

A

MPL

IFI

ER

. .

.

.

......

.

.

......

.

.

. .

...

.

.



3-53

T

R

AC

E SEPARATIO

N

.........

.

.

......

.

.

........

3-19



D

E

LAY-

L

I

NE

...

.

.

...

.

.

.........

.

.

...

.

.

. .

.. .

.

.



3-53

S

WEEP

CO

NTR

O

LLE

D

Z-AXIS

Χ

-

Υ

.....

.

.

........

3-20



D

EL

AY-

L

I

NE

COMPEN

SATION

.... .

. .

.

.

...

.

. . .



3-53

T

R

IGGER

SELECTOR

.

.

.

.........

.

.

......

.

.

........

3-22



FEED

BE

SID

E

.

.....

.

.

. .

.

......

.

.

...

.

.

. .

..... . .



3-53

Α

A

N

D

Β

T

RIGGER

CHA

NNEL

S

S

W

ITC

HE

S

.

.....

3-22



O

U

T

PU

T A

MP

LI

F

I

ER

....

.

.

...

.....

.

.

...

.

.

. .

.

.



3-54

Α

T

R

IGG

ER

C

HA

NNEL

S

W

ITC

H

. .

.

.

......

.

.

..

3-22



OU

T

PU

T

PR

OT

E

CTION

. .

.

.

...

.

.

.....

......

.. .



3-54

Α

A

ND

Β

T

R

IGG

ER

A

MP

LI

F

I

ER

......

.

.

...

.

.

.....

3-22



A

U

XILIA

RY

A

M

PL

I

F

I

ER

. .

.

.

...

.

. .

.....

.

.

....

. .



3-54

VER

TICA

L

SIG

N

A

L

O

UTPUT A

MPL

I

F

I

ER

. .

.

. .

.

.

. .

3-22



H

O

R

IZO

N

TA

L

I

NTERF

AC

E

. .

.

.

......

.

.

..... .

.

.

.

. .



3-54

RE

ADO

UT

SYST

EM

(S

NΒ

031766

&B

elow)

.

.

. .

. . . .

3-23



CHANNE

L

S

W

ITC

H

. .

.

...

.

.

......

.

.

......

.

.

.

. .



3-55

DIS

PLAY FO

RM

AT

.

.........

.

.

...

.

.

......

.

.

....

3-23



Χ

-

Υ

D

EL

AY

CO

MPEN

SATION

(OPTION

2)

.

.

.

. .

.



3-55

D

EVEL

O

P

I

N

G

THE

DIS

PL

AY

.

.

.

......

.

.

......

.

.

.

3-25



TIME-BASE

OPERATION

. .

.

.

.....

...

.

.

...

.

.



3-55

TI

MER

.

.

...

.

. .

.

.

. .

.

.........

.

.

...

.

.

.........

...

3-27



Χ

-

Υ

OPERATION

.........

.

.

.....

...

.... . .

.



3-55

TIME-SLOT

CO

UN

T

ER

.

.........

.....

.

.

......

.

.

.

3-29



H

O

R

IZO

N

TAL

A

MPL

I

F

I

ER

.....

.

.

.....

...

.....

.

.

.

.



3-55

W

O

RD TRIGG

ER

....

.

.

.........

.

.

...

.

. .

.

.

......

3-29



I

NPU

T

AMP

LIFI

ER

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

. .

.

.

...

.

.

. .

.

. .

.

.



3-55

C

H

A

NNEL

CO

UN

T

ER

...

.

.

.........

.....

.

.

......

3-30



D

R

I

VER

AMPL

IFI

ERS AN

D

ACTI

VE PE

A

K

I

N

G

.

. .



3-56

SI

NG

LE

-S

H

OT

L

OC

K

O

UT

.....

.

.

......

.

.

.....

...

3-30



O

UT

PU

T A

MPL

I

F

I

ER

.

.

.......

.....

.

.

. .

.

....

.

.



3-56

EN

CODI

N

G

THE

DATA

.

. .

.

.....

......

.

.

..

.

...

.

.

3-30



Z-AXIS

A

ND

FOC

US

AMP

LI

F

I

ER

.

......

.

. .

.

.

...

. .

.



3-56

CO

LUMN

A

ND

R

O

W

DATA

S

W

ITC

HE

S

.

.

......

.

.

3-33



Z-AXIS

A

MPL

I

F

I

ER

.

.

.

. .

.

.

.......

.

. .

.

.

...

.

.

.

. .



3-57

REV

N

OV

1985

PAG

E



P

AG

E

T

HE

O

R

Y

O

F

O

PER

AT

I

O

N



M

AI

N

T

EN

A

N

C

E (CON

T)

A

UTO-

F

OC

U

S

CH

A

NNEL

S

W

ITC

H

A

ND



T

R

O

UBLE

S

H

OOTI

NG

T

E

C

HN

IQ

UE

S

. .

.

.

.

..........

.

.

4-7

A

MPL

I

F

I

ER

. .

.

......

.

.

......

.

.

......

.

.

.....

.



3-57



1

.

CHE

C

K

CO

NTR

O

LSE

TTI

NGS

.

.

..........

.

.

...

4-7

H

IG

H

-

V

O

L

TAG

E

P

O

WER

S

UPPL

Y

AN

D

C

RT

...

.

.

.

..

3-57



2

.

CHE

C

K

ASSOCIAT

E

D

EQ

U

I

PMEN

T

.

..........

.

.

4-7

PO

WER

T

RAN

S

F

O

RMER

........

.

.

.....

....... .



3-57



3

.

V

IS

UA

L

C

HE

C

K

..........

.

.

. .

.

.

..........

.

.

...

4-7

+130

V

S

UPPL

Y

. .

.

. .

.

.

. .

.

......

.

.

.. .

.

.

....... .



3-57



4

.

CHEC

K

I

NST

RUMEN

T

ADJ

U

ST

MEN

T

......

.

.

...

4-7

C

RT

HE

AT

ER

.......

.

. .

.

.

......

.

.

...

.

.

....... .



3-57



5

.

ISO

L

AT

E

T

R

OUB

LE

Τ

0Α

CI

R

CU

IT

........

.

.

...

4-7

A

N

OD

E

V

O

L

TAG

E

MUL

TI

PL

I

ER

...

.

.

........

.

. .



3-57



6

.

CHEC

K

V

O

L

TAG

ES

AND

WA

VEF

O

RM

S

.......

.

.

48

C

RT

CAT

H

OD

E S

UPPL

Y

.....

.....

.

.

. .

.

...

.

.

. .

.



3-58



7

.

CHEC

K

I

N

DI

V

ID

U

A

L

CO

MP

O

NEN

TS

.........

.

.

4-8

CAT

H

OD

E

S

UPPL

Y RE

G

U

LATO

R

........

.....

.

.



3-58



FU

S

ES

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

.

. .

.

.

. .

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

.

.

...

4-8

CO

N

T

ROL-GR

ID

DC

RE

STO

RER

.

.

......

.

.

...

.

.



3-58



TRAN

SISTO

RS

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

.

.

. .

.........

.

. .

. .

48

FOCU

S-G

R

ID

DC

RE

STO

RER

.

.

......

.

.

......

.

.



3-58



I

NTE

G

R

AT

E

D

CI

R

C

U

ITS

. .

.

.

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

......

4-8

C

RT

CO

NTR

O

L

.....

.

.

. .

.

......

.

.

......

.

.

...

.

.



3-58



DIOD

ES

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

.

. .

.

.

.

..........

.

. .

. .

4-8

CO

NVER

TER

/

R

ECTI

F

I

ER

S

. .

.

......

.

.

......

.

.

...

.

.



3-58



RE

SISTO

RS

.......

.

.

. .

.

. .

.

.

..........

.

. .

.

.

...

4-8

LINE

INPUT

......

.

.

. .

.

......

.

.

......

.

.

......

.

.



3-59



CA

P

ACITO

RS

...........

.

.

. .

.

.

..........

.

. .

. .

4-8

I

NVER

TER

STA

R

T

.

. .

.

.

........

......

.

.

......

.

.



3-5

θ



8

.

REP

AI

R

A

N

D

AD

JU

ST

THE

CI

R

C

U

IT

......

.

.

...

4-8

I

NVER

TER

. .

.

.

......

.

.

. .

.

.....

. .

.

...

.

.

......

.

.

3-60



TR

O

UBLE

S

H

OOTI

N

G

THE

H

IG

H-EFFE

CI

ENCY

O

VER-V

O

L

TAG

E

STO

P

......

.

. .

.

.

...

.

.

......

.

.



3-60



PO

WER

-S

UPPL

Y

UN

IT

......

.

. .

.

.

.

. .

.

..........

.

.

...

4-9

I

NVER

TER

CO

NTR

O

L

.

.

.

.

......

.

.

......

.

.

...

.

.



3-60



G

ENERAL

.....

.

. .

.

.

. .

.

. .

.

.

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

......

.

.

.

4-9

PRE-RE

G

UL

ATO

R

.........

........

.

.

......

.



3-62



PREL

I

M

I

NA

RY PR

OC

ED

URE

.

. .

.

.

.

..........

.

.

. .

.

4-9

FAUL

T

PR

OTECTIO

N

. .

.

......

.

.

......

.

.

. . .

.



3-62



TR

O

UBLE

S

H

OOTIN

G

PR

OC

E

D

URE

......

.

.

......

4-9

I

NVER

T

ER

C

URREN

T

LI

M

IT

ER

.....

.

.

......

.



3-62



ST

EP Α

:

C

HE

C

K

LINE

FUSE

. .

.

.

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

...

4-9

FA

UL

T

S

EN

S

E

.......

.

.

...

.

.

......

.

.

...... .

3-62



ST

EP Β

:

I

SO

L

AT

E

P

O

WER

S

UPPL

Y

L

I

NE

STO

P

......... .

.

.

.....

........

...... .

3-63



M

A

LFUN

CTIO

N

FR

O

M

THE

M

AI

NFR

AME

L

O

W-V

O

L

TAG

E

RE

CTI

F

I

ERS

.

.

...

.

.

. .

.

...

.

.

.....

3-63



CI

R

C

U

IT

RY

.......

.

.

. .

.

. .

.

.

..........

.

.

....

.4-10

L

O

W

-

V

O

L

TAG

E

RE

G

UL

ATO

RS

A

ND

FA

N B

OA

RD

...

3-63



STEP

C

:

CHE

CK

THE

PRE-RE

G

ULATED

O

PER

ATIO

N

A

L

A

MP

LI

F

I

ER

P

O

WER



P

O

WER

S

UPPL

I

ES

.

. .

.

. .

.

.

.

. .

.

..........

.

.

. .

4-10

S

UPP

LI

ES

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

.

.

......

.

.

......

.

.

. . .

.



3-63



STEP

D

:

CHE

C

K L

I

NE

I

NPUT

CI

R

C

U

IT

...

.....

4-11

+50

V RE

G

UL

ATO

R

.........

.

.

......

.

.

......

.

. .



3-63



STEP

Ε

:

C

HE

C

K

C

RT AN

D

H

IG

H

-

V

O

L

TAG

E

-15

V

RE

G

UL

ATO

R

.........

.

.

...

.

.

......

.

. .

.

..



3-64



CI

R

C

U

IT

..........

.

..

.

.

. .

.

.

..........

.

.

....

.4-12

+5

V

RE

G

UL

ATO

R

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

......

.

.

......

.

. .



3-64



STEP

F

:

CH

ECK

THE

I

NVER

T

ER

CO

NT

R

O

L

+15

V RE

GU

LATO

R

.........

.

.

......

.

.

......

.

. .



3-64



CIRCUIT

.......

.

..

.

.

. .

.

. .

.

.

..........

.....

.

.

4-12

-50

V

RE

G

UL

ATO

R

...

.

. .

.

. .

.

.

...

.

.

......

.

. .

.

. .



3-64



STEP

G

:

C

HE

C

K

I

NVER

T

ER

CI

R

C

U

IT

....

.....

4-12

FAN

CI

R

C

U

IT

...........

.

. .

.....

.

.

......

.

.

. .

..



3-64



STEP Η

:

CHEC

KL

V

RE

CTI

F

I

ER

CI

R

C

U

IT

......

4-13

G

R

ATIC

ULE

LIG

H

T S

UPP

LY

.

.

......

.

.

......

.

.

.



3-64



CO

RRE

CTI

VE

M

AI

NT

EN

A

N

C

E

.

. .

.

.

. .

.

..........

.

.

...

.

.

...

4-14

O

B

TAI

N

I

NG

REPL

AC

EMEN

TP

A

RTS

......

.

.

...

.

.

...

4-14

SPECIAL

PA

R

TS

.

.

. .

.

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

.

.

...

.

.

......

4-14

SECTIO

N

4-

M

AI

N

T

EN

A

NC

E



O

R

DER

I

N

G

PAR

TS

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

.

.

...

.

.

.....

.

4-14

PREVEN

TI

VE

M

AI

NT

EN

ANC

E

...........

.

.

...

.

. .

........

.

.

4-1



SO

L

DER

I

N

G

T

E

CHN

IQ

UE

S

...........

.

.

.....

......

414

CA

B

I

NE

T

PA

NEL

REM

O

V

A

L

.

.

. .

........

.

.

......

.

.

...

4-1



COMP

O

NEN

T

REM

O

V

A

L

A

N

D

REPL

ACEMEN

T

...

.

.

.

4-15

CLEANING

.

.

. .

.

.

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

. .

.

.....

.........

.

.

4-1



DISP

LAY

UN

IT

K

IC

K

STA

N

D

.....

.

.

...

.

.

......

.

.

.

4-15

EXT

ER

IO

R

. .

.

.

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

. .

.

...

.

. .

........

.

.

4-1



PO

WER

-S

UPPL

Y

UN

IT

REM

O

V

A

L

....

.

.

......

.

.

.

4-15

C

R

T

....

.

.

.

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

.

.

...

.

.

. .

.

......

.

.

...

4-1



ACC

E

SS Τ

0

COMP

O

NEN

TS

1

Ν

THE

PO

WER-

I

NT

ER

IO

R

.

. .

.

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

.

.

...

.

. .

.

.

......

.

.

...

4-2



S

UPPL

Y

UN

IT

.

.

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

.

.

.....

. .

.

......

4-16

V

IS

U

A

L

I

NSPECTIO

N

..........

.

.

......

.

.

......

.

.

...

4-2



CAT

H

OD

E

-

R

AY TUBE REM

O

VA

L

.

.

...

.

. .

.

.

.....

.

4-17

S

EM

ICOND

U

CTO

R

C

HE

C

KS

......

.

.

......

........

.

.

4-2



CAT

H

OD

E

-

R

AY TUBE

REPL

ACEMEN

T

.

.

. .

.

...

.

. .

4-18

PER

IODIC

ELE

CT

R

ICA

L

ADJ

U

ST

MEN

T

.

.

.

......

.

.

...

4-2



CI

R

C

U

IT

B

OA

R

DS

........

.

.

. .

.

...

.

.

......

.

.

....

4-18

TR

OUB

L

ESH

OOTI

NG

.

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

.

.

......

.

.

......

.

.

...

4-3



CH

ASSIS-

M

O

UNT

ED

B

OA

R

DS

.

.

.

......

.

.

....

4-18

T

R

O

UB

LE

SH

OOTI

NG

AIDS

.......

.

.

......

.

.

......

.

.

4-3



PLUG-ON

B

OA

R

DS

.

.

.

. .

.

......

.

.

......

.

.

....

4-18

DIAGR

A

M

S

.

.

. .

.

.

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

.

.

......

.

.

......

.

.

4-3



A5-MODE

S

W

ITC

H

CI

R

CU

IT

B

OA

RD

...

.

.

...

.

4-18

CI

R

CU

IT

B

OA

RD

IL

LU

ST

RATION

S

. .

.

.

......

.

.

...

4-3



A6-MAIN

I

NT

ERF

AC

E

CI

R

C

U

IT

B

OA

R

D

.

.....

.

4-1

θ

AD

JU

ST

MEN

T

A

ND T

E

ST

POINT

L

OCATIO

NS

. .

.

.

4-3

A7/A8/A9/A10/A25/A26-FOLLOWER

CI

RCU

IT

CO

MP

O

NEN

T

CO

L

O

R

CODI

N

G

.....

.

.

......

.

.

...

4-3



B

OA

R

DS

..........

.

.

......

.

.

......

.

.

...

.

.

. .

4-1

θ

S

EM

ICO

N

D

U

CTO

R

LE

AD

CO

NF

IG

UR

ATIO

N

S

.

. .

.

.

4-3



All-FAN

M

OTO

R

CI

R

C

U

IT

B

OA

R

D

.....

.....

.420

STATIC-S

EN

SIT

I

VE

D

EV

IC

ES

...

.

.

......

.

.

......

.

.

4-3



A22-LOW-VOLTAGE

RE

G

UL

ATO

R

CI

RCU

I

T

MUL

TI-

PIN

CO

NNE

CTO

R

S

. .

.

.

......

.

.

......

.

.

...

4-6



B

OA

R

D

......

.

. .

.

.

........

......

.

.

......

.

.

. .

4-20

T

R

O

UBLE

SH

OOTI

NG EQ

U

I

PMENT

.... .

.

.

......

.

.

...

4-6

REV

N

O

V

1985

TA

BLE

O

F

CO

N

T

EN

TS

(CO

N

T)

7904

Α

I

n

str

u

ctio

n

7904

Α

Instr

u

ctio

n

IV

TA

BLE

O

F

CO

N

T

EN

TS

(CO

N

T)

A12-CONTROL

RE

CTIF

I

ER

CI

R

CU

IT

B

OA

RD

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

.

.

......

.

.

......

.

.

4-22

A23-POWER

S

UPP

LY

I

NVER

TER

CI

R

C

U

IT

B

OA

RD

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

.

.

......

.

.

......

.

.

4-22

PLUG-IN

I

N

T

ERF

AC

E

CO

NNECTO

R

S

.....

.

.

.....

4-22

DEL

AY

L

I

NE

REM

O

V

AL

....

.

. .

.

.

......

.

.

......

.

.

4-23

S

EM

ICO

NDU

CTO

RS

.......

.

. .

........

.

.

......

.

.

4-23

H

Y

P

CO

N

CO

NNE

CTO

R

S

. .

.

. .

.....

.

. .

.

.

.....

4-23

I

NT

ER

CO

NNE

CTI

NG

PI

N

S

....

.

.

.........

.

.

.....

4-27

COAXIAL-TYPE

EN

D-L

EAD

CO

NNECTO

RS

.

...

4-27

CI

R

C

U

IT-

B

OA

RD

PI

N

S

. .

.

......

.

.

.........

. .

4-27

CI

R

C

U

I

T-

B

OA

RD

PIN

SOC

KETS

.

...

.

.

......

.

.

427

Μ

U

L

Τ

1-

PIN

CO

NNE

CTO

RS

......

.

.

......

.

.

.. .

4-28

PUS

HBUTTON

S

W

ITC

HE

S

....

.

.

......

.

.

......

.

.

4-28

G

RATIC

ULE

LIG

H

T

BULB

S

.

. .

.

.

......

.

.

......

.

.

4-28

PO

WER

TR

AN

S

F

O

RMER

...

.

. .

........

.

.

......

.

.

4-28

L

I

NE

FUSE

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

.

.

.........

.

.

......

.

.

430

AD

JUST

MEN

T

AFT

ER

REP

AI

R

. .

.

.

.........

.

.

...

430

S

E

CTIO

N

6--I

N

ST

RUMEN

T

OPTIO

NS

OPTION

2

. .

.

......

.

.

. .

.

......

.

.

...

.

.

..........

.

6-1

OPTION

3

......

.

.

. .

.

......

.

.

......

.

.

.........

. .

6-1

OPTION

4

......

.

.

.........

.

.

......

.

.

.......

.

.

. .

Ε

r

1

OPTION

13

....

. .

.

......

.

. .

.

.

......

.........

.

.

. .

6

r

1

OPTION

78

.....

.

.

.....

. .

.

.........

.........

.

.

.

.

&-l

OPTION

Α

1

. .

.

. .

.

.

...

.

.

......

.

.

..........

.

.

. .

.

.

.

6-1

OPTION A2

. .

.

.

. .

.

......

.

.

...

.

.

..........

.

.

. .

.

.

.

6-1

OPTION

Α

3

. .

.

.

.........

.

.

.....

..........

.

.

. .

.

.

.6-1

OPTION

Α

4

. .

.

.

........ .

.

.

......

.

.

.......

.

.

. .

...

6-1

OPTION

A5

.

. .

.

......

.

.

.........

.

.

.......

.

.

.

....

6-1

I

N

ST

RUMEN

T

OPTION

ID

EN

TI

F

ICATIO

N

........

.

.

.

.

6-1

S

E

CTIO

N

5--C

HE

C

KS

AND AD

JU

ST

MEN

T



SECTION

7-

REPLAC

E

A

BLE

ELE

CT

R

ICA

L P

A

R

TS

U

SI

N

G

T

HE

SE

PR

OC

E

D

URE

S

.

.

.........

.

.

......

.

5-1

PERF

ORMA

N

C

E

C

HE

C

K S

UMM

A

RY

. .

.

. .

.

.

...

.

.

. .

5-2

AD

JU

ST

MEN

T

I

NT

ERV

AL

.

.

. .

.

.

......

.

.

. .

.

.....

.

5-11

T

EK

T

RON

IX FI

ELD S

ERV

IC

E

.

.

.

......

.

.

........

.

5-11

TEST

EQ

U

I

PMEN

T RE

Q

U

I

RE

D

.....

.

.

......

.

.

. .

.

...

5-11



S

E

CTIO

N

8-DIAG

R

AM

S

A

N

DC

I

R

CU

IT

B

OA

R

D

S

PE

CIA

L FIXT

URE

S

........

.........

.

.

......

.

.

.

5-11



I

LL

U

ST

RATIO

N

S

T

EST

EQ

U

I

PMEN

T

A

L

T

ERN

ATI

VE

S

......

.

.

......

5-11



DIAGRA

M

S

PAR

T

1-PERF

O

RM

A

N

C

E

CHEC

K

. .

.

.

......

.

. .

.

.

......

.

.

.

5-14



I

NT

ER

CO

NNE

CTIN

G

DIAGR

A

M



.

.

. .

.

...

.

. .

.

.

. .

. .

.



1

I

N

D

EX

TO

PERF

O

RM

ANC

E

C

H

EC

K PR

OC

ED

URE

...

5-14



MODE

S

W

ITC

H

,DIS

PL

AY

CO

NTR

OL

&

CALI

BR

ATO

R

2

PERF

O

RMA

N

C

E

C

HE

C

K P

O

WER-UP

SE

Q

UENC

E

.

.

. .

5-14



MAIN INTERFACE



. .

.

......

.

.

.

......

. .

.

. .

.

. .

.

.

.

3

Α

.

Z-AXIS

AND D

I

S

P

LAY

........

.

.

......

.

. .

.

.

.....

.

5-15



L

OGIC

.

. .

......

.

.

. .

. .

.

. .

.

. .

.

......

. .

.

. .

.

.

. .

.

.



4

Β

.

CALI

BRATO

R

AN

D

O

UTPU

T

SIG

NA

L

S

.

. .

.

.

.....

.

5-16



T

R

IGG

ER

SE

LE

CTO

R



. . . .

. .

. .

.

. .

.

. .

...

.

. .

.

.

. .

.

.



5

C

.

TR

IGG

ER

SYST

EM

.....

.

. .

.

.

......

.

.

. .

.

.....

. .

.

.

5-21



RE

ADO

U

T

SYST

EM

(S

Ν Β

031767

& AB

O

VE)

.

.

.

. .

.

.



6

D

.

H

O

R

IZO

N

TA

L

SYST

EM

.

. .

.

.

......

.

.

.........

.

.

.

5-23



R

E

ADO

U

T

SYST

EM

(S

Ν Β

031766

&

BEL

O

W)



.

.

. .

.

.



6

Ε

.

VER

TICA

L

SYST

EM

..........

.

.

......

.

. .

.

.

...

.

. .

5-26



S

I

G

N

A

L

S

O

UT &

I

NT

EN

SITY

L

I

M

IT

ER



.

. .

.

.

. .

.

.

.

. .



7

F

.

READO

UT

SYST

EM

..........

.

.

......

.

. .

.

.

......

5-31

PART

I[-ADJUSTMENT

A

ND

PER

F

O

RM

AN

C

E

CHEC

K

....

.

5-33



VER

TICA

L

C

HA

NNEL

S

W

ITC

H

.

.

.....

. .

. .

.

. .

.

.

.

.

.



$

I

N

D

EX Τ

0

AD

JU

ST

MEN

T

A

N

D

PERF

O

RM

ANC

E



VER

TICA

L

A

MPL

I

F

I

E

R



.

.

. .

. .

.

.

......

. .

.

.

. .

.

.

.

.

.

9

C

HE

C

K PR

OC

E

D

URE

.....

.

. .

.

.

......

.

.

......

.

. .

.

.

.

5-33



HO

R

IZO

N

TA

L

I

NT

ERF

AC

E



.

.

. .

.

. .

.

. .

...

.

.

. .

.

.

.

.

.

10

ADJ

UST

MEN

T

A

N

D

PERF

O

RM

AN

C

E

C

HE

C

K



H

O

R

IZO

N

TA

L

A

MP

LI

F

I

ER

.

.

...

.

.

. .

. .

. .

. .

.

. .

.

.

.

.

.

11

Z-AXIS

SE

Q

UENC

E

........

.

.

......

.

.

. .

.

...

.

.

.

5-34



-

ΑΧΙ

S &

FOC

US

AMPLIFIER



. .

.

. .

.

...

. .

.

.

.

. .

.

.

.

12

HIG

H

-

V

O

L

TAG

E

P

O

W

E

R S

UPPL

Y

&

C

RT

. .

.

.

.

. .

.

.

.

13

Α

.

PO

WER

S

UPPL

Y

.

. .

.

.........

.

.

......

.

.

. .

.

...

.

.

.

5-35



CONVERTER/RECTIFIER



. . . .

. .

.

. .

. .

. .

. .

.

.

.

. .

.

.

.

14

Β

.

Z-AXIS

AND

DIS

P

LAY

........

.

.

......

.

.

. .

.

...

.

.

.

5-38



L

O

W

-

V

O

L

TAGE

REGU

LATO

RS & FAN B

OA

R

D

.

. .

.

.

.

15

C

.

CA

L

I

BR

ATO

R

A

ND

O

UT

PU

T

SIG

N

A

L

S

.....

.

.

....

5-45

D

.

TR

IGG

ER

SYST

EM

.....

.

. .

.

.

......

.

.

......

.

.

....

5-50



S

E

CTIO

N

9-

REP

LACEA

BLE

ME

C

H

A

N

ICA

L P

A

RTS

Ε

.

H

O

R

IZO

N

TA

L

SYST

EM

.......

.

.

......

.

.

. .

.

...

.

.

.

5-55

F

.

VER

TICA

L

SYST

EM

.......

.

.

......

.

.

........

....

5-61

G

.

RE

ADO

UT

SYST

EM

(S

Ν Β

031766

&

BEL

O

W)

. .

.

5-69

G

.

RE

ADO

UT

SYST

EM

(S

Ν Β

031767

&AB

O

VE)

.

.

.

5-72

C

H

A

N

G

E

I

NF

O

RM

ATION

REV

N

O

V

1985

F

igu

r

e



F

igure

No



Page

No



Page

7904

Α

F

eatures

. .

.

......

.

. .

.

.

......

.

.

......

.

.

....

viii



4-1



Color

co

de

for

resistors

and

ca

p

acitors

.

. .

.

.

.....

4-4

1-1



7904

Α

D

i

mensio

n

al

Drawing



. .

.

......

.

.

......

.

.

. .

1-11



4-2



Semiconductor

lea

d

configurations

.

..... .

.

.

.....

4-5

2-1



F

ro

n

t-

p

anel

cont

r

ols,

conn

ectors

and

in

d

icato

r

s

.

. .

. .

2-2



4-3



Orientatio

n of

multi-

p

in

connectors

.

.

.

.

...

.

.

. .

.

. .

4-6

2-2



R

ear-panel

con

trols

and

connectors

.....

.........

.

.

2-4



4-4



Current sensing

waveform

at

A12

R

84

.

.

......

.

.

4-11

2-3



Definitio

n of graticule

meas

u

reme

n

t

lines

. .

.

......

.

.

2-8



4-5



Locat

i

on

of

screws

for

d

isch

arging

line

2-4



L

ocatio

n of

reado

u

t

on

t

h

e

crt

i

d

entifying

the



storage

cap

acitors

...........

. .

.

......

.

.

......

4-11

originating

p

l

u

g-i

n

a

nd

c

h

annel

. .

.

.

. .

.

...

.

.

.......

2-10



4-6



Current

wavefo

r

m

of

Α

23

Τ

30

s

h

owing

burst

2-5



Typical

Setu

p

for

Χ

-

Υ

Displays

with

Ζ

-Axis



operatio

n

at

line

voltage

of

abo

u

t

60

volts

......

4-13

Co

n

tr

ol

from

time-

b

ase

unit

.....

.

.

......

.

.

.......

2-18



4-7



Current

waveform

at

Α

23

Τ

30

for

no

rm

al

inverter

2-6



Ty

p

ical

Χ

-

Υ

Dis

p

lays

wit

hand

without



op

eration

at

line

voltage

of

115

volts

.......

.

.

. .

4-13

Ζ

-Axis

Co

n

trol

.

.

. .

.

.

......

.

. .

.

.

.... .

. .

.

......

.

.

.

2-18



4-8



W

avefor

m

at

1

Ρ

34

on

t

h

e

Α

23

P

ower

Supply

3-1



B

asic

b

lock

d

i

agram

of

t

h

e

7904

Α

Oscillosco

pe

.

.

.

. .

3-2



Inverter

circuit

boar

d

wit h

t

h e

line-voltage

at

3-2



B

rea

kd

own

of

sep

arate

stages

wit

h

i

n

H

orizontal



about 20

volts

... .

.

.

......

.

. .

.

.

......

.

.

......

.

4-13

L

ogic IC

(

U

4428)



.

.

. .

.

.

......

.

. .

.

.

......

.

.

......

.

3-8



4-9



R

eco

m

me

n d

ed

d

esoldering

se

que

n

ce

......

. .

.

.

4-15

3-3



(

Α

)

Diagram

of

cloc

k

generator

stage

;

(

Β

)

Idealize

d

4-10



U

se of

Display

U

nit

k

ic

k

sta

n

d

. .

. .

.

......

.

.

... .

4-16

wa

υ

eforms

for

clock

generator

stage

......

.

.

......

3-16



4-11



P

owe

r

sup

p

ly

u

nit

securi

n

g

screws

.

.

.

......

.

.

.

4-17

3-4



I

d

ealized

waveforms

for

t

he

V

ertical

C

h

oppe

d

4-12



L

ocation

of

securi

n

g

screws

for

t

h

e

A6-Main

B

lan

king

IC

(

U

4320)

.

.

......

.

. .

.

.

...

.

.

......

.

.

...

3-17



Interface

board

.

.

. .

.

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

.

.

......

.

.

...

4-20

3-5



(

Α

)

I

np

ut

a

n

d

out

pu

t

pins

for

C

h

o

p

Cou

n

ter

IC,



4-13



Correct p

lacement

of

p

ower

transistor

a

n

d

U

4340

;

(

Β

)

I

dealize

d

wa

υeforms

for

C

ho

p

mounting

h

ar

d

ware on

rear

h

eatsin

k

..

.

......

.

.

4-21

Counter

stage

..........

.

.

. .

.

......

........

.

.

...

3-18



4-14



HYP

CO

N

assembly

removal

an

d

re

p

lace

m

ent

. .

4-24

3-6



Logic

diagra

m

of

V

ertical

M

ode

L

ogic

stage

.

.....

.

.

3-20



4-15



Coaxial

en

d

-lea

d

connector

assembly

.

.

......

. .

4-27

3-7



(

Α

)

L

ogic

diagram

of

Trace

Se

pa

r

atio

n

stage

;



4-16



E

xplo

de

d

view

of

circuit-board

pin

a n

d

(

Β

)

Table

of

inp

u

t/o

u

t

p

ut

combinations

. .

.

.

......

.

.

3-21



fer

r

ule

. .

.

.

. .

.

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

.

. .

.

.

.

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

.

4-28

3-8



L

ocatio

n of

rea

d

out

d

is

p

lay

on

the

crt

i

d

entifying



4-17



R

emoval

procedure

for

pus

h

button

switc

h

es

t

he orign

i

ati

ng

plug-in

and

c

h

a

n

n

el

.

. .

.

.

.....

. .

.

. .

3-23



mounte

d

on

t

h

e

Α

5

M

o

de Switch b

oa

rd

.......

.

4-29

3-9



C

h

aracter selection

matrix

for

7904

Α



5-1



Ty

p

ical

d

i

splay

w

h

en

c

hec

k

ing

Χ

-

Υp

hase

R

eadou

t

System



(S

Ν Β

031766

&

Below)

. .

.

......

.

. .

.

3-24



co

m

pensation



.

. .

.

.

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

.

.

.

...........



5-25

3-10



Ty

p

ical

r

eado

u

t

d

isplay

w

h

ere

only

c

h

annel

2



5-2



R

eadout

display

w

i

t

h

Q2225

remove

d

.

.

........

5-57

(of

the

R

ight

V

ertical

a

n

d

Β

H

orizo

n

tal

un

its)



5-3



Ty

p

ical

d

isplay

w

h

e

n

c

h

ec

k

ing

Χ

-

Υ

ph

ase

is

d

is

p laye

d

.

.

. .

.

......

.

.

........

......

.

.

......

.

.

-25



compe

n

satio

n

. .

.

...

.

. .

.

.

..........

.

.

. .

.

.

.....

5-60

3-11



O

utpu

t

waveforms

of

the

Ti

m

er

stage

......

. .

.

....

3-26



5-4



R

eadout

d

isplay

with

Q2225

re

m

oved

.

. .

.

.

.....

5-70

3-12



Detail

of

out

p

ut at

pins

12, 13,

14

and 16



d

i

agra

m

s

on

t

he

fo

l

do

u

t

p

age

.

of

U2126

.

. .

.

.

. .

.

......

.

. .

.

.

......

.

.

......

.

.

....

3-27



8_1



7904

Α

b

oar

d

locator

drawing

.

3-13



Timer

stage

op

e

r

atio

n

w

hen

d

i

splay-s

k

i

p

8-2



Semico

nd

uctor

lea

d

configurations

.

co

nd

itio

n

occurs

. .

. .

.

.

.........

.

. .

.

.

.....

. .

.

....

3-28



8-3



A5-Mode

Switc

h

circuit

board

asse

m

bly

.

3-14



Timer

relations

h

i

p

of

t

he

time-slot

(TS)

pu

lses



8-4



A2-Display

Control

circuit

b

oard asse

m

bly

.

pro

d

u

ce

d by U2159

.

.

.

. .

.

.........

.

.

......

.

.

....

3-29



8_5



A6-

M

ain Interface

circuit

boar

d

assem

b

ly

.

3-15



Ty

p

ical

encoding

sc

h

eme

fo

r

voltage-se

n

sing

8-6



A13-Logic

unit

.

Co

d ing s

h

own

fo

r

deflectio

n

factor



L

ogic

circ

u

it

b

oar

d

assem

b

ly

.

of

100

mic

r

ovolts

. .

.

......

.

. .

........

.

.

......

...

3-31



8-7



A14-Trigger

Selector

circ

u

it

boar

d

assem

b

ly

.

8-8

A15-Readout

3-16



I

d

ealize

d

current

waveforms

of

(

Α

)

R

ow

analog



System

circuit

board

assem

b

ly

.

d

ata

and

(

Β

)

Colu

m

n

analog

d

ata

.

.

.

........

. .

.

...

3-32



8^9



A27-Readout

P

rotection

circuit

board

assembly

.

8-10



Al-Front

Panel

circuit

boar

d

assem

b

ly

.

3-17



Ty

p

ical

o

u

tput

waveforms

fo

r

Zeros

L

ogic

a n

d

stage

o

p

eratio

n

(at

pin

7

of

U

2232}



. .

.

. .

.

.

3-35



8-11



A16-Vertical

C

h

annel

Switc

h

circuit

board

asse

m

bly

.

M

e

m

ory

-18



R

ead

out

word

relating

10

possi

b

le

c

h

a

r

acter



8-12



A18-Vertical Amplifier

circuit

boa

r

d

assem

b

ly

.

3

to

t

h

ed

ecimal

point

i

n

structio

n

s

t

h

at



8-13



A29-Horizontal

Interface

circuit

boar

d

assembly

.

locations

can be

e

ncoded

;

and

t

h

eresu

ltant

crt

d

isp

l

ay

......

3-36



8

-

14



A17-

Χ

-Y

Delay

Com

p

e

n

sation

(Optio

n

2)

circ

u

it

boar

d

3-19



F

low

ch

art for

c

h

a

r

acter generatio

n

by

t

he R

ea

do

u

t

Sys-



assembly

.

...

.

.

. .

..

.

...

.

. .

.

. .

. .

. .

.

.....

. .

. .

.

. .

.



3_3g



8-15



A28-Horizontal

A

m

plifier

circuit

b

oar

d assembly

.

tem

8-16



A21-

Ζ

-Axis

circuit

boar

d

assem

b

ly

.

3-20



Character

selectio

n

m

atrix

for

7904

ΑR

eado

u

t

System



8-17



A20-High

V

oltage

circuit

b

oar

d

asse

m

bly

.

(S

Ν Β

031767

&

A

b

ove)

.. . . .

.

. .

.

......

. .

.

.

. .

.



3-40



8-18



A23-Power

Supply

circuit

boar

dassembly

.

3-21



Detailed

bloc

k d

iagram

of

t

h

e

R

ea

d

out

System



8-19



A12-Control

R

ectifie

r

c

i

rcuit

boar

d

assem

b

ly

.

(S

Ν Β

031767

&

Above)

. .

.

...

.

.

. .

. .

.

...

.

. .

.

.

.

3-42



8-20



A22-Low

V

oltage

circuit

b

oard

assem

b

ly

.

3-22



Develo

p

i

n

g

α

ty

p

ical

c

h

a

r

acter

on

t

h

e

CRT

.

.....

3-49



8-21



All-Fan

circ

u

it

b

oar

d

assem

b

ly

.

3-23



Detailed

bloc

kd

iagram

of

t

h

e

Converter/

Rectifiers

cir-



8-22



Test

P

oint

and

A

d

j

ust

m

ent

L

ocations

Α

.

cuit

. .

.

. .

. .

. .

.

. .

.

.........

.

...

.

...

.

.......

3-59



8-23



Test

P

oint

a

n

d

Ad

j

ustment

L

ocatio

ns

Β

.

3-24



(

Α

)

R

epresentation

of

I

n

verter

stage

.

I

d

ealized



8-24



A

d

j

ustment

L

ocations

C

.

waveforms

of

(

Β

)

total

Inverter

curre

n

t,

IT,



8-25



A

d

j

ustment L

ocatio

n

s

D

.

{C}

V

oltage

ac

r

oss

CR41

an

d

(D)

V

oltage



8&-26



Test

P

oint a

nd

Ad

ju

stment

L

ocations

Ε

.

ac

r

oss

primaries

of

Τ

110 and

Τ

35

......

.

..

.

.

. .

.

3-61



8-27



Test

P

oi

n

t

an

d

A

d

justment

L

ocations

F

.

8-28



Test

P

oint

a

nd

A

dju

stment

L

ocations

G

.

REV

N

O

V

1985

L

IST

O

F

I

LLU

ST

RATIO

N

S

7904

Α

I

n

st

r

u

ctio

n

7904

Α

I

n

str

u

ctio

n

Tab

le

No



P

age

1-1



Power-Cord

Color

Conductor

I

de

n

tification

. .

.

......

1-2

1-2



Power-Cor

d

an

d

P

lug

I

den

tificatio

n

Informat

i

on

.

. .

.

.1-2

1-3



Electrical

Characteristics

.

.

.........

.

.

......

.

.

.....

1-4

1-4



En

vi

r

o

nm

ental

C

h

aracteristics

.

. .

.

.

...

.

. .

.

.

......

.

.

1-9

1-5



Ph

ysical

C

h

aracteristics

. .

.

. .

.

......

.

.

......

.

.

....

1-10

1-6



Plug-in

Inco

m

pati

b

ilities

.

.

........

. .

.

......

.

.

... .

1-12

1-7



7904

Α

Osci

l

losco

pe

V

ertical

System

S

p

ecification

.......

.

. .

.

.

. .

.

.....

.........

.

.

...

.1-13

1-8



7904

Α

Oscillosco

pe

H

orizontal

System

S

p

ecificatio

n

.......

.

. .

.

.

. .

.

.....

.........

.

.

...

.1-14

1-9



S

p

ecial

Pur

p

ose

Plug-in

U

nits

.

. .

.

.

...

.

. .

.

.

......

.

1-14

2-1



Display

Com

b

inations

.

. .

.

.........

.

.

......

.

.

....

2-11

3-1



Basic

L

ogic

Sym

b

ols

.

. .

.

.

. .

.

......

.

.

......

.

.

.....

3-4

3-2



M

o

de

Switc

h

ing

I

np

uts/Out

p

ut

.

.........

.

.

......

.

.

3-7

3-3



I

np

ut/Output

Co

m

binations

for

Α

L

oc

k

out

(

U

4428

Pin

14)



. .

.

.

. .

.

.........

.

.

......

.

.

......

.

.

3-9

3-4



Input/Out

p

ut

Combi

n

atio

n

s

for

Β

L

oc

k

out

(

U

4428

P

in

15)



. .

.

.

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

.

.

......

.

.

......

.

.

3-9

3-5



Inp

u

t/O

u

t

pu

t

Co

mb

i

n

atio

ns

for

Alternate

Pulse

(

U

4428

P

i

n

8)

.

. .

.

.

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

.

.

......

.

.

......

.3-10

3-6



I

np

ut/Out

p

ut

Comb

i

nations

for

t

he

Ζ

-Axis

Logic

Stage

...........

.

.

.........

.

.

......

.

.

...

.3-12

3-7



In

pu

t/O

u

t

p

ut

Combi

n

ations

of

t

h

e

H

orizontal

B

i

n

ary

Stage

.......

.

. .

.

.

. .

.

......

.

.

......

.

.

...

.3-12

3-8



In

p

ut/Out

p

ut

Com

b

inations

for

the

V

ertica

l

B

inary

Stage

.......

.

. .

.

. .

.

.

......

.

.

......

.

.

...

.3-14

V

1

L

IST

O

F

TA

BLE

S

Ta

b

le

No



P

age

3-9



In

p

ut/Out

put

Combinations

for

t

h

e

Plug-In

B

inary

Stage

.

.

. .

.

...

. .

.

.

. .

.

...

.

. .

. .

.

.

.....

3-15

3-10



Input/Output

Comb

i

nations

for

t

h

e

V

e

r

tical

C

hop

p

ed B

lan

k

ing

Stage

.

. .

.

.

......

. .

.

..

. . . .

3-17

3-11



Standard

R

ea

d

out

Fo

rm

at

. .

.

.

...

.

..

. .

.

.

.....

3-25

3-12



C

hann

el

A

dd

r

ess

Code

(S

N

8031766

&B

elow)

. . .

3-30

3-13



C

han

nel

Address

Co

d

e (S

Ν

Β

031767

&

Above)

. .

3-45

3-14



Inp

u

t/Out

put

Relationships

for

t

h e

Auto-

F

oc

us

C

h

annel

Switc

h

.

.

. .

. .

. .

.

. .

.

.

......

. .

.

.

.....

3-57

4-1



R

elative

Susce

p

t

i

b

ility

To

Static

Disc

h

arge

Damage

.

. .

.

.

......

.

.

. .

.

......

.

.

. .

.

......

.....

.

.4-6

4-2



R

ecommen

d

e

d P

owe

r

Supp

ly

Troub

les

h

ooting

Sequence

.

. .

.

.........

.

.

......

.

.

......

.

. .

.

.

...

.

.

4-9

43



Ty

p

ical

Powe

r

-Sup

p

ly

R

esistance

...

.

.

......

.

. .

. 1

.4-10

4-4



B

urst

V

oltage

Test

Points

.....

.

.

......

.

.

.... .

....

411

5-1



C

hec

ks

and

A

d

j

u

st

m

en

t

Proce

d

ure

Electives

....

.

.

. .

5-1

5-2



Pe

r

forma

nce

C

hec

k

Su

m

mary

.

.

.

. .

.

...

.

.

......

.

.

. .

5-2

5-3



Test

Eq

ui

pm

ent

...

.

. .

.

.

......

.

.

......

.

.

......

.

.

.

5-11

5-4



Power

S

u

pply

Tolerances

.....

.

.

. .

.

...

.

.

......

.

.

.

.

-37

5-5



T

h

e

r

ma

l

Com

p

ensation

A

dj

ustments

...

.

.

......

.

.

.

5-63

5-6

Α



R

i

ght

C

h

annel-Switc

h

Com

p

e

n

sation

(Signal

R

e

p

R

ate

vs

:

Swee

p

R

ate)

...

.

.

...

.

.

.....

......

.

. .

5-64

5-6

Β



L

eft

Cha

nn

el-Switc

h

Co

m

p

ensation

(Sig

n

al

R

ep

R

ate υs

:

Swee

p

R

ate)

.

.

......

.

.

......

.

.

......

5-64

5-7



H

ig

h

-

F

re

q

uency Compensatio

n

A

d

j

ust

m

ent

.....

.

.

.

5-65

6-1



O

p

tion

Information

L

ocato

r

......

.

.

.....

......

.

. .

.

6-2

REV

N

O

V

1985

O

PER

ATO

R

S

SA

FE

TY

S

UMM

A

R

Y

T

h

e

ge

n

eral

safety

information

i

n

t

h

is

p

art

of

t

h

esu

mmary

is

for

b

ot

h

operati

n

g a

nd

servicing

personn

el

.

S

p

ecific

war

n

i

n

gs an

d

cautions

will

be foun

d

t

h

roug

h

o

u

t t

h

e

manual

w

h

ere

t

h

ey

apply,

bu

t

may

not

a

pp

ear

i

n

t

h

is

su

m

mary

.

T

ERM

S



W

A

RN

I

N

GS

IN

T

H

IS

M

A

NU

A

L



P

O

WER SO

UR

C

E

CA

U

TIO

N

statements

ide

n

tify

co

nd

itions

or

p

ractices



T

h

is

p

ro

d

uct

is

intende

d

to

o

p

erate

from

α

power

source

t

h

at

co

u

l

d

res

u

lt

in

d

amage

to

t

h

ee

q

ui

p

me

n

t

or ot

h

e

r

that

will

n

ot

apply

more

t

h

a

n

250

volts

r

m

sb

etween

t

h

e

p

ro

p

erty

.



su

pp

ly

conductors

or

between

eit

h

e

r

su

pp

l

y

cond

u

ctor

a

nd

gro

u

nd

.

Α

p

rotective

gro

u

nd

co

nn

ection,

by

way

o

f

WA

RN

I

N

G

stateme

n

ts

ide

n

tify

co

n

ditions

or

p

ractices



t

h

e

groundi

n

g

co

nd

uctor

i

n

t

h

e

p

ower

cor

d

is

esse

n

tial

t

h

at

coul

d

res

u

lt

i

n

p

ersonal

i

nju

ry

or loss of

li

f

e

.



for

safe operatio

n

.

T

h

is

sym

b

ol

i

n

dicates

w

h

ere

ap

p

lica

b

le

cautio

n

ary or

ot

h

er

information

is

to

b

e

fo

u

n

d

.

G

R

O

UN

DI

N

G

THE

PR

OD

U

CT

AS

M

A

RKE

D

ON

E

Q

U

I

PMEN

T



T

h

is

p

ro

d

uct

is

grou

n

de

d

t

h

roug

h

t

h

e

ground

i

n

g

CA

U

TIO

N

i

nd

icates

α

p

ersonal

i

nj

ury h

azard

not



co

n

d

u

ctor

of

t

h

e

mai

n

fra

m

e

p

ower

cor

d

.

To

avoi

d

im

m

ediately

accessi

b

le

as

o

n

e

reads

t

h

e

mar

k

i

n

g,

or α



electrical

s

h

oc

k

,

p

l

u

g

t

h

e

mai

n

frame

p

ower

cor

d

i

n

to

α

hazar

d

to

pro

p

erty

i

n

clu

d

i

n

g

t

h

e

e

q

uipme

n

t

itself

.



pro

p

erly

wiredrecep

tacle

b

efo

r

e

co

n

necti

n

g

to

t

h

e

p

ro

d

uct

i

np

ut

or o

u

t

p

ut

termi

n

als

.

Α

protective-ground

DA

N

G

ER

i

nd

icates

α

perso

n

al

in

j

ury

hazard

imme

d

iately



co

nn

ection

by

way

of

t

h

e

grou

n

di

n

g

co

n

ductor

in

t

h

e

accessi

b

le

as

one

reads

t

h

e

ma

r

k

i

n

g

.



mainframe

p

ower

cor

d

is

esse

n

tial

for

safe

o

p

e

r

ation

.

SY

MB

O

L

S



Up

on

loss of

t

h

e

protective-ground

con

n

ection,

all

accessi

b

le

conductive

p

arts

(i

n

c

l

ud

i

n

g

kn

o

b

s

a

nd

controls

t

h

at

may

a

pp

ear

to

be

insulati

n

g),

ca

n

r

en

d

er

IN

T

H

IS

M

A

NU

A

L



an

electric

s

h

oc

k

.

Static-Sensitive

Devices



DO

NOT

O

PER

AT

E

IN

E

X

PL

OSI

VE

AT

M

OS

PHERE

S

7904

Α

I

n

str

u

ctio

n

DA

N

G

ER

A

R

I

SI

N

G

FR

O

M

L

OSS

O

F

G

R

O

UN

D

To

avoi

d

ex

p

losio

n

,

do

n

ot

o

p

erate

t

h

is

p

ro

d

uct

i

n

an

atmos

phere

of

ex

p

losive

gasses

.

DO

NOT

REM

O

VE

CO

VER

S

O

R P

A

NEL

S

AS

M

A

RKE

D

ON

E

Q

U

I

PMENT



To

avoi

d p

ersonal

in

ju

ry,

d

o

n

ot

remove

t

h

e

p

ro

d

uct

covers

or

panels

.

Do

n

ot

o

p

erate

t

h

ep

ro

d

uct

wit

h

out

t

h

e

Af DA

N

G

ER

-

H

ig

h

voltage

.



covers

an

d

p

a

n

els

p

ro

p

erly

i

n

sta

l

le

d

.

9)

P

rotective

gro

und

(eart

h

)

ter

m

inal

.



DO

NOT

O

PER

AT

E

W

IT

H

O

U

T

CO

VER

S

To

avoi

d p

erso

n

al in

j

ury,

d

o

n

ot

op

erate

t

h

is

p

ro

du

ct

AATTENTION-Refer

to

manual

.



wit

h

out covers

or

p

anels

installe

d

.

7904

Α

I

n

str

u

ctio

n

7904A

FEATURES

4593-3

Th

e

T

EK

T

R

O

N

IX

7904

Α

Oscillosco

p

e

is

α

soli

d

-state,

h

ig

h p

erfor

m

a

n

ce

(500

MH

z

vertical

b

a

n

dwi

d

t

h

)

instrument

d

esigned

fo

r

general

p

ur

p

ose

a

p

plications

.

T

he

7904

Α

acce

p

ts

four

7000-series

plug-i

n

un

its

to

form

α

h

ig

h

ly

flexible

oscilloscope

system

.

T

h

e

left

pair

of plug-in

com

p

artments

are

for

vertical

d

eflection

an

d

t

h

e

right

p

air

of

pl

u

g-in

compartments

are

for

horizo

n

tal

deflectio

n

.

E

lectronic

switc

h

ing b

etween

eac

h

d

eflectio

n

system

allows

d

ual-trace

vertical

an

d

d

ual-sweep

h

orizon

tal di

sp

la

y

s

.

T

h

e

7904

Α

features

incl

u

de

an

8

cm

χ

10

cm

crt

d

is

p

lay

area

w

i

t

h

α

crt

readout

display

of

al

p

ha

n

u

meric

characters

from

the associate

d

plug-in

units

.

T

he

readout

dis

p

lay

includes

deflectio

n

factor,

sweep

rate,

and

other

enco

ded

p

arameters

.

T

he ab

ove

d

elaye

d

-swee

p

dis

play

was

obtai

n

e

d u

sing

α

7

Βθ

2

Α

Dual

Time

B

ase

.

An

11

m

ega

h

ertz

sine-wave

signal

was

applie

d

simulta

n

eously

to

t

h

e

7

Α

29

Inp

u

t

an

d

to

t

h

e

7D15

F

r

eq

In

connectors

.

T

he

in

p

ut

fre

q

ue

n

cy

is

monitore

d

an

d

continuously

u

pd

ate

d

on

the

7904

Α

crt

rea

d

out

dis

p

lay

.

T

h

e

7

Α

26

Du

al

Trace

Am

p

lifier

p

rovi

d

es

additional

vertical

d

isplay

ca

p

abilities

w

h

e

n

selected

.

ΥΙΙΙ