Fairchild 767HF, 767MHF, 766HF, 766MHF, 765MHF Service manual

UP

766H

SERtES

OSCTILOSCOPE

lnstruciion

Seriol No.

Monuol

1965 Foirchild

@

ond lndrument Corp.

Comero

FAIFICHILE'

INSTRUMENTATION

5o soMEiSET PTACE,

CtlFtON, N. J. Or0t5

Monuol No.

6704 5893

TABLE

OF

CONTENTS

Section

Title

I. TECHNICAT SU'IAIYIARY

l-l Introduction
l-2 Features

l-3 List of Recommended Accessories ............

l-4 Technical Sur4mary
l-5 Type

765MH

Technical

(Specifications) ...

Data ........................

2. OPENATINGINSTRUCTIONS

Introduction

2-l

Preliminary

2-2

Power

2-3
2-4

Operating Instructions

2-5

Beam Brightening

2-6

Operator's Maintenance

3.

CIRCUIT DESCRIPIION

Introduction

3-l

3-l

Circuit

5-J

3-4

Regulated

CRT

Normal Sweep

Fast Single

4. PERFONMANCE
4-l Maintenance

Pertormance

Checking the

4-3

Check Ripple

4-4

4-5

Supplies

Calibrator

Checking

5. iIAINTENANCE

5-l

Introduction

Introduction

Removal and

5-2 Removal
5-3 Cathode-Ray

5.4 Servicing

5-5 Trouble
5-6 Trouble

5-7

Test

Equipment

Service

5-8 Adlusting

Supplies..

5-9

High-Voltage

5-10

CRT

5-ll

Serring

5.12

_

5.13 Supplemenr

LV

Type

Nerwork

.

-

-

Oscilloscope

Information

Requiremenm

Switch ........ ...... .................

Description

for Low Voltage

Supplies

Circuit .....

Unblanking

Sweep Unblanking

ASSURANCE

Check

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

Power

to Assure

Supply ............

of Low-Vbltige

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

Check

CRT Geometry

AND

RECATIBRAIION

and

Replacement

TuBe

Hints

Shooring

Shootin"g

Replacement

......

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

the

Power

rhe CRT

Required

Adiustments

th6 Low-Voltage

Adiusrment

Adjustmen6

Main

and HV

7062

CRT

(HF

ior Type

Frame

Capaciry

Series

Ohty .....

Terminaiion

Series

766EI Mod

......"

. ... .

-----,-

Inlormation

TEST

Adjusrment...

of

for

.........._

power

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

Only) .

..........

---

...

....

.

-..................

parts.....5-l

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

... ...... ..

Suppty

....

Ciidit ..

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

.........

........

..... .

for

. .......

.......

...

I02

Page

l-l

l-1

r.3

l-3

r-7

2-t

2-l

2-l

2-l

24

2-4

3-l
3-l

3-1

J'J

c-J

4-t

4-1

4.1

4-l

4-2

E-l

b-Z
b-2
5-3

5-B

b-+

b-4
b-4

b4

f-tO

S_10

5-13

Section

6.

PARTS tI5I5

6.4

Electrical

68 Spare

List of

Figure

Fairchild

1-l

t-2

1-3

t4

l-5

l-6

l-7

l-8

t-9

2-1

2-3

3-l

E-2

5-l

5-2
0-c
5-4

5-5 Right
5-6 Left

5-6 L*

5-7 Installation
5-8 Installation

5-9^

5-10

Oscilloocope

Type
Type

Carrying

Type
Type

Type

with

Installed

Typ€

Clearance Dimension

tion

and

and

Moundng

Type

vDe 767H

Clearance

tion

(Standard

Type

Type

Front-Panel

Type

SinEle

Single

Sweep Speed

ype

Type

Regulators,

Diagram

ype

Type

Regulators,
Diagram

Type

vpe 766F

tional

Rear View

and cRT

Rear

and Diodes

Top

Points.

Adjustments

Peaking

Transistors,

Type^7062

Test

Title

AND

SCHEiAAIICS

List

Parts

Parts

List

Recommended

Vendors

rrruslRAiloNs

Title

Type

766H Transistorized

Portascope

765H

765 Portascope

Case

766H Bench Model

767H Rack Modei

70854 Rack

Type

767H Oscilloscope

767H Oscilloscope

of Type

Type

Tvoe 7078

767H

Oscilloscope Showing

Dirr.ension

of Type

Insrallarion)

765MH

766H Solid

766H Calibrator

Sweeo Unblankino Vs

Sweep

766H Ser

766H Series

Unblanking

Functional

766F

?66H Series

Functional

766H Over-all

Block

Showing

View Showing

View

o[ Chassis

Transistors and

Oblique

Trimmers

Oblique

Oblique

View

View

Swirch

Instructions

Insructions

I-nterconnecring

Serup

for Peaking

with Complerc

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

Slide

7l

70E5A Rack

Kit for Flush

7085A Rack

State

FaFacilities

Diagram

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

View Showing

Oscilloscope,

Display ....

*200V

*50V

System

Transistors

Fuses,

Showing

. .

Showing

Showing

and Adjustment...

........-...........

Set to

Showing

g0o

for lnsta]lla-

Slides

for

Insta'ila-

Slides

. ...

'

Vs

and

*100V

Block

and

-50V

Block

Func-

Switch

Test

y

X &

...

..

. .........

-

Diagram

....

Aljusti.rent

Page

6-l

6-5

6-7

Page

1-0

r-2

t-2

1-2

t-2

l-5

l-6

1-6

t-7

2-3

3-2

8-2

5-l

5-7

5-8

E-9

5.11

5-12

5-13

5.14

section

1

-technicol

summory

r0cus

C}

ASIG

t

I-O

Figute l -l - Foitchild fype 766H

frcnsistorixed Oscilloscope

sEcTtoN r

TECHNICAT SUfiTiAARY

l.t INIRODUCIION

(Figurcr

The Fairchild Types

Oscilloscopes are available

bench, rack, and
Models are identified

Series; the

Series, and the Rack-mounted

numerical

Bench Models by the Type 766

Series.

portable models. The Portable

by the TyP€ 765

In addition, there are alphabetical

to the numerical series to identify special

circuits.

scope

voltage option is 5 Kv and these series oscilloscopes

identified by
quency

Type

The suffix H denotes the

with an accelerating

the absence of the

The

7062

H/F denotes the high-voltage

suffix

model. These

CRT Termination Network

models are provided with

to accommodate the Type

Plug.in
model. Further details Ior all of the

Amplifier.

The

suffix

l-2 io l-51

and 767

766,

765,

in three basic

Models by the Type 767

suffixes appended

high-voltage oscillo-

potential of

79-024

M

denotes the

l3 Kv. The low

H alphabetical suffix.

to enable them

DC to

models are

Family of

form factors:

numerical

numerical

electronic

high-fre-

100 Mc

militarized

listed

in the Specifications.

Since the electrical circuits are

models

confined to the Type

erences to the

cable

except

to the

for minor difierences,

Series

766H

Type

766H

Series

other models unless otherwise

To simplify discussion, the Type 766H

loscope may be categorized

(l)

Low-voltage, (2)

Frequency.

into three

High-voltage, and

l. The following models comprise

Series:

Type

765, 765M,

The following

2.

Series:

Type

767MH

765H, 765MH,

3. The following

quency

Series:'

Type

765H/F, 765MH/F,

767H/F, A 767MIJ/F

766, 766M,767,

models comprise the high-voltage

766H, 766MH,

models

comprise

identical in all

discussion will

Oscilloscope.

be

will

All ref-

equally

basic Series:

appli-

indicated.

Series Oscil-

(3) High

the low-voltage

and 767M

767H,

the high-fre-

766rI/F, 766MH/F,

are

the

be

rNore.'

to the high.voltage series

high-frequency

Separate manuals are

These

oscilloscopes

Termination Network.

CRT

in units. If desired, these

the

same

binder

supplied

are electrically

except for the addition of

provided for each of the plug-

manuals may be inserted into

your

with

Indicator unit,

identical

I.2. FEATURES

The Fairchild Type 766H

consists

of

tains the power supplies, a
ciated circuitry,

of an Indicator

available

plug-in modttles. The Indicator Unit con-

and an

The plug-in modules take the place of the vertical

and horizontal deflection

oscilloscope, and their outputs are connected

to the deflection

plug-ins

All

be used universally in

rnodules may be
performance demanded of them

plication

.

o

o

for which they are to

l3 Kv accelerating

5 Kv)

Quatity

Three basic Main Frames available;

(Type

plates of the cathode-ray tube.

Type

in the

selected

display area of 6

765),

Bench

mounted (Type 767)

o

Silicon

o

Dual Plug-in capability (DC to 100 Mc) with

state circuitry

solid

High Frequency or

o

Z-axis input provided on all bench and

mounted models

o

Illuminated internal graticule optionally

able

o

Silicon transistors and fully regulated electronic

power supplies, assure
and long-term reliability

Family

of Oscilloscopes

Unit and any two of a number

cathode-ray

internal

systems

74-00 and 76-00

the

oscilloecope.

to give a degree and type of

potential

cm by l0 cm

(Type 766)

tube with asso

amplitude

a conventional

of

by

be

particular ap-

the

used.

(low-voltage

calibrator.

directly

Series may

plug-in

The

option:

Portable

and Rack-

H/F Models

maximum drift stability

the

all

rack-

avail-

t -l

section

..-

PHOTOGRAPHS

I

-technicol

OT BENCH, RACK AND PORTABTE MODEI.S

summory

Figwe

l

-3-

Wilh Complele

fype

765 Porros(ope

Corrying

Cose

Figwe I -2.

rif-or

-i

c}

fype 765H

Portos(ope

Figure

Itpe

l -4.

766H Bench

Model

Figure I

fype 767H Rock

t-2

-5.
Model

I

l:"

c,l

fi;

@

),-

-

,

4:J:

J

/,-A)

technicql

summqry-section

1

\-

t -3. tlST

Typr

OF RECOIyI^'IENOED

or

Pqrt Numbcr

(10:l

AITENUATOR

tcrminoied in BNC type

12?0 10M.
1298 l0M.

1299 l0M,
799$ l0M.
7999r l0M,

t

For

Amplificr.'

,t800
4800 5862 Blue

,1800

4800
4501

7020

7030
7085

7081

7080

276C

7035

wiih lypc

use

5861 Amber

5863
610l

Grecn for P2 ond P3l screen

Nsutrql,

0,152 Anliporollox

SCOPE

TRAVETERS

Top

26

Top

32th inches from floor

Slidc drowcr

TERMINAI.

Mqle BNC

femqle odqpter,
Scope binding

vrEwtNG

Viewing

Round

reflection;

piece

ACCESSOTIE

Dcrcription

PROBES

conncclorl

pf;4-ft

l0

pf;

14

pf;6-ft

12

pf;

7

pf;9-ft

9

79-O2A Dsol Trocc DC to IOO M€

COTOR

for

8-ft coblc

4-ft

coblc

cqblc

FITTERS

P7

screen

cqblc
coblc

for Pl I or PZ screen

scole

&

polorized

RACK

STIDE

Girculqrly

Troy: 103/a inches x 22th inches;

inches from floor

Yr

Troy: 17.1 inches x 22th inchcs;

(for

rqck-mounted

ADAPTERS

uniil

type €onnecfor to Type C

UG.635/U

poit

lo

AccEssoRrES

Hood mode

of moldcd

lighi shield tq rcduce

does not hovc

qdqptc.

BNC

q

molded ey.-

rubbcr

glorc

ond

TERMINATING

1285A

150/1sOA,

153/1s3A

L291

1296

orv

'|

2

I

2
2
2

50-ohm, 5-wott,

Oscillorcope-Record Cqmcrqs

oblc

Extension

lhe

OPERATIONAT

Complatc lil coniqinr:

rvP.

276C

128 5A

4290

1287

UG-636/U C

UG-1090/U

CRI

7062

CRT Terminotion Network Kit lo trqnt.

form rhe

neh.rork i5 stqndqrd

High-Frequency Moin Frome Oscillo-

scopes

766t HlF, 766Hlt, 767Hlt

767 MH/?l

l -4. TECHNICAL

The

electrical characteristics

Voltage,

Oscilloscopes

tion which follows.

High Voltage,

are listed in the Performance Specifica-

RESISTOR

CAATERAS

qccessorier

plug-in

ASSEMBI.Y

cqble

from the oscilloscopc

ACCESSORY

Viewing

50.ohm

Probc

Risht

8NC to

CABIE

Terminol Adopters

IERMINATION

H modcls to H/F models. Ihis

(Typer

SUMIIIARY

and

Typc

C connector

with

for remgic opcrotion

KIT

D...rlptlon

Hood

Terminqtion

ongle; UG-306A/U

mqle

io BNC

NETWORK

equipment

plug

femqle

tip

{bononol

wiih ihc

765Hlt, 765MHlf,

(Spccificolionsl

the

of

High-Frequency

Type 766 Low

ruit-

of

qnd

Series

Height

widrh

Depth

Weight
Corrying

Shipping Weight

Note:

r

Sehind

Cosc

A minimum

qssure

to

odiqcent cquipment.

ponel.

of 2"

odequqte

clearoncc murl

cooling,

With mouniing

PHYS]CAI.

Portoblc

Models

765-

|Vt'

17!q"

23'

l8

lbs

9lbs

37 lbs

be mqinlqined

Do

not

iubiec, ,he unit

brockeh reversed:

CHANACTERISTICS

Ecnci

766-

t3le"

eTq"

2oYe"

27 lbs
37 lbs

the rqck-mounted

tor

lo lhc hot

r/a

t 8

inches

Models

exhouri

model

qir

Rqck.Mounted Modclt

767-

19'

20"*

27 lbs

37 lbs

o,

l-3

section I

-technicol

summory

SPECIFICATIONS

CATHODE.RAY

Type

For lyp. 766

765M,

1765,

FZ65O-O-P3l

deflection

5000 volts occelerqting

For lype755 High-Voltoge
1765H,

F7660-0-P3l
deflection

13,000

Fot

lype 766 High-Frequcncy

765H/t,

& 767MHlFl

F767O-O-P3\

deflection

13,000

Optionol

Phosphor:

P7 phosphor

trqnrient

grophic

photogrophic

ond

on

speciol order

766,

single

cothode-roy tubc ir normolly

765MH,

single

coihodc-rqy

volts occeleroling potentiol

76sl/.Hlt,

sinqle beom,

cothode-roy tube is

voli5 ocqeleroting

for long

obseryqtion; Pl I

use; ond P2

Aluminizolion

All tubca

ond to

Bezel

Lighi-tight

lcope

filters

Grqlicule

Engrqved

groduotion:

tube.

zero to intensity

ing.
ovoiloble;
grophic

CRT Direci lnput

l. X Axis,

2q. Y

qre qluminized

preycnl

bezel

cqneaq ond

qnd

scoles

edge-lii

ond oppropriote

Scole illuminotion

internol

CRT

white

recording

l0 to

Axis:

5.2 to

F7660-0-P-

2b. Y Axis: 2t/t

CRI onlyl

TUBE DAIA

Low-Voltcae

766M, 767

beom,

766H, 766MH,

beom,

Series

& 767M1

electroslotic focus

poteniiol

Serie:

767H & 767MHl

electro3tqtic focus ond

tube is normolly

Series

766Hlt,

electrostotic focus

poteniiql

persistence

pho!phor

phosphor

use. All

screen

chorge distortigns

provides

permits

groticule

odequote

no-porollox groticule

scole

15 volts/cm

7.2 volls/cm

to

for combinotion

phosphors

other

for moximum light

firm mount for on oscillo-

reqdy interchonge of

hoving 6 cm by l0

color filter over foce

control vories light leycl from

moy be edge lit for

photogrophic

for

CRT onty)

3Yz vohsfcn

qnd

supplied;

supplied;

766MH/F,

normolly supplied;

low frequency

(oll

(F7650"0-p-

767H/F,

photo-

for

qvoiloble

outpul

record-

is

optionolly

photo-

CRT seriesf

IF767O-0-P-

qnd

yi5uol

ond

cm

of

or

Z Axi:

(Bench

Negotivc

ore

required

I mcgohm

trqce

CRT Beqm

Beom

Amplitude

Accurocy

Frequency

Acces:

line

Line

Controls

lNTENSlry,

vided

on the Mqin

beqm

Brightening

A switch lqbeled

lhe Type

Series
plished

cqthode

5peed lronsienti)

Col lV,

pin

ot

iock

moximum,
permits

Nominolly

locked io

be used to

power"line

to Plug-lns

The

some l.volt

plug.in.

eoch

vided wiih

qctive

oll

normolly

of

VOITS/D|V

the

Voltoga

From

105 io

60-cycle line

Frequency

Operoiion from 48

excursion is reduced

ond where power

ond

Rqck-mountcd Models

pulse

766 High-Volloge

chqssir. Beom

by

gqting

VOTTAGE

peqk-to-peok

qdiurtment

tl./o, olwoys

power-line

grid

to

of CRT blonks trqce.

inlo on impedoncc

coupled vio

FOCUS,

NORMAT/SINGLE

beom

{for

on front

I % nominoll; fqst rise

t

0.01

qnd

ASTIG

Frome for

brightening

goling

(normol

photogrophing

CATIBRATOR

3quore wove

ponel

o{ Moin Frome

qflenuolor

of

within

frequency. This woveform

of opproximqtely

pf

cqpociio. to

conirols

controlling the CRT

ond

operotion) or by

probe

i2.5%

colibrote ihe time oxis wherever

frequency

o suitoble

circuitry. The

be inseried into

is o controlled siqndqrd

colibrotor woveform

The omplifier

qrrqngement

plug-ins

colibrotor wqyeform

the input

swirch

for

POWER REQUIREMENTS

125 volts

or from

through 1000

ol

exlremes of frequency

line

disiortion

210 io 250 voltr dt

cycles; line voltqge

exceeds 5%

onlyl

25 volts

dim

qre

pro-

provided

is

High.Frequency

con

be

single-shot high-

signol

qnd

is

supplied to

will

cqlibrotion of

stoge by meons

on

occom-

ovoiloble

1t2,5%

fqll

iime

moy

the

pro-

be

will

ronge

l-4

technicol summory-section

1

Power

'150

From

used

DC Power Supplie:

to 230

All supplies ore electronicolly

ENVIRONMENTAT

O/eroring

Temperqlure

From ooC to 50oC.

mql cutout swilch lo

wqtts

depending

SPECIFICATIONS*

Ronge

All

models

prolect

the unit

on the

reguloted

incorporqle o ther-

when

insufficient. Adequote venliloiion ond cleoronce

qround

lotion to

qmbieni

r

Applicoble

given

is

unil musi be

ossure intoke oir below ihe specified

iempe.oture

for oll models

elsewhere

provided

except militorized

in

thir

Specificotion.

in rock-mounted in3tol-

plug-in

coolinE

is

or "M" Models.

Storqge

Temperoture Ronge

From

-400c

ro + 850c

Altitude Ronge

Seo level

Humidity

Constont
humidity, Inlermittenf operotion
ond lemperolure specificoiionr

sotion

Shoc k

l0G

shock {or durotion of

15,000 feei

io

operoiion at 30oC ond 80/6 relolive

Vibrqtion

l5-minute
double

Doto for

cycle from l0 to

omplilude; vibroies in

"iA"

models

under oll humidity

prevenl

lhol

25 milliseconds

33 cycles ot

plones

3

0.015

condcn-

inche:

Figvre l-6. Type

7085A Rock Slide

5e, ,o 90" with Type

767H Oscilloscope Instolled

l-5

section I

technicol summory

-

:t

a'

Figure l-7.

lype

Type

7O85A

767H

Rock

Oscilloscope

Slides

ond fype

Showing

Cleoron<e

7078

Kit lor

Dimension

Flush

Mounting

-:!

i

H

lor lnstollotion

ol

t-6

Figute

lnstollorion

l-8.

lype

ol fype

767H

22"

Oscilloscope

7OB5A

Rock

ShowinE

(standotd

Slides

Cleoroace Dimeasion

lnstdlldtion)

for

technicol

summory

section

-

I

I.5. TYPE 765IAH

TECHNICAT DATA

AAILITARIZED

I

Meetr ruggedized militory specificolions

I
I
I

power

Low
Light weighi-

Eqch unit is vibrotion

conrsmplion

extremely

tesled

I

Operotion

porioble

I

Certificqtion

Figure I

I

-9. Iype

I

Operqtion

from

-30o

RFI shielding

of complionce

765MH

PORTASCOPE@

power

line

Federql

supplied with eoch

frequencies

I

Semiconductor circuitry

Stock Number 6625-O'6-llls

io

from

t6OoC

I

of 48-IOOO

system

cycles

The 765MH is a militarized,
The

uoit is housed in a sturdy flberglas

carrying handle

aisles,

hatchways or any confined area. A

provided

is

This

aod

may

the 765H Series-

Heater

staodby heater

tioo.

below 0oC,

Weisha

less
pounds.

glas

the case.

Temperature

basic indicator

has two cayities iDto which various

be ioserted. All electrical

Strips

watts

200

-The

thao 35

Case aDd

material. An

Storage

Operating

Operational

Operational
Non-operating

permits

with facilities for

houses

A 200-watt

-

is incorporated for

of additiooal standby

weight

pouods.

of this uoit

Maio frame weight

covers are

RFI metallic

(in

Range

-40'C

-30"C

-30"c

(modification

Attitude

to 15,000 feet

to

all

to

*85"C

to

*50"C

to

+60'c

-

5O,OOO feet

easy

positions)

103)

rugged,

portable

transport through narrow

mounting accessories.

the

CRT,

specifications are ideotical

thermostatically

low temperature opera-

iDcludiEg

oscilloscope.

case. A conve ent

fiberglas cover

power

supplies,

X and Y

power

plug-ius

cooEolled

are required

plug-ios

is under 27

constructed of rugged

coatitrg

sprayed

is

-

(without

(with

fan)

fan)

6ber-

ioside

Humidi8

humidity.

perature

MIL standard

cotrdeqsatioo permitted

Shock

2O

to

is

G

15 G shock

l0

C shock for

(4

shocks

Vibration

0.010 ioches

planes,

in 3

S-minute scao

cycles al
Vibrated

with

a 3Gsecond

tor mounting

Transit-

tions when

1.2

G 3o-inch

Height-

widrh

Depth
Weight

Net

CoDstant

-

Intermittent

specificatioos which

2028 method 106A

-

shock

foi duratioo

for duration

duration of 25 ms

in each

-

0.025 ioches

in 3

Uoit

-

(with

-

-

27

-

plane

ls-miDute

double amplitude

ls-minutes

cycle, ls-miqute

planes,

scan cycle.

the

fiberglas case.

will

meet Natiooal

factory

packaged.

drops on corners.

cover)

pounds

operation at 40'C and

operarioo utrder

preveos

when

operathg.

all humidity

coodeosatioo.

except freeziog.

of 5 ms

of 1l ms

for a

total of 12

cycle from l0

itr each

double amplitude

l5-minutes

Four

Vibration

t'7.%"

23"

ShippiDg

to 3000 cycles at

(peak-ro-peak).

(2

plaoe

cycle from

in each

web guides

G limir)

plaue

Safe Transit

for

edges aorl

81,i"

37

-

95Eo relati\e

Meets

shocks.)

Vibrated

with a

IO to 3000

(peak-to-peak).

(5

c-limit)

provided

are

Specifica-

ooe hour at

flat surfaces.

20.9
45-0 cm

58.4

pounds

tem-

No

cm

cm

1-7

sEciloN

2

\?

OPERATING

I

2.I. INTRODUCTION

This

section of the Instruction Nlanual describes the

operadon of the Indicator Unit

modules inserted.

with the

of a conventional

plug-in

tical and horizontal

instructions

tained in

for each

the

2.2. PREI.IMINARY
.

The Type

wide band laboratory instrument with dc to 100 Mc
capabilities.

accept

any

of

Series Plug.ins, thus determining the oscilloscope's

mate performance.

in

essence a Type 766H Series unit which has

provided

work
Trace

models,
heater

The low-voltage power

and

the instrument.

vides

senting
displaying

with the Type

to accommodate the Type

Ampli6er Plug-in.

a

200-watt

is incorporated for low temperature operation.

unregulated voltages

the necessary controls

a sharp display of the desired

the signals applied to

Operation oI the Indicator

modules inserted

oscilloscope with corresponding ver-

deflection systems. Full

the

of

manual

INFORiAATION

766HlF

The

the present Types

Oscilloscope is a general

dual

plug-in

which accompanies it.

cavities of

The Type

7062

For

thermostatically-controlled standby

supply

for application

The cathode-ray tube

and adjustments for

by the plug-in modules.

The voltage calibrator yields a l-volt, peak-to-peak

Iast rise

normalizing

and

module

trolled

2.3. POWER

The

for

rear

your

115-volt

voltage

volt

voltage

yond

and fall time square wave signal for use in

the gain

for setting the

wherever the power-line frequency is a con-

standard.

REQUIREMENIS

line transformer in

of the

l5-volt

instrument

either I

the plug-in amplifier modules

of

timing of

this oscilloscope can be set

or

230-volt

operation; a plate

specifies

instrument is set. If the instrument is

operation,

between

operation,

between

the limit specified may cause

it will

operate properly at any line

105 and 125 volts. Il ir is

it

will operate properly at

210 and 250

with the Plug-in

is the same as that

operating

modules

the instrument

74-00, 76-00,

766H/F

CRT Termination Net-

79-024

the militarized or "M"

provides regulated

deflection plates

the

the time base plug-in

the voltage for

volts.

Line voltages be"

the power

are con-

purpose,

and

Oscilloscope

100 NIc Dual

throughout

circuitry pro-

intensity for

on

which

set for

for

set

any line

supplies

INSTRUCTIONS

to

go

out of regulation. Powerline

will

be more limited

Unit

will

79-00

ulti-

been

pre-

the

230-

is

frequency

tion

If

I l5-volt

by merely

desired voltage.

Although

frequency

cau

1000

required

2.4.

Any of the plug-in

either

The module

flection

rols

possible

vertical time

a time-base

coupling

module

sweep is

X-Y

in both

often referred

"X-Axis"

the "Y-Axis"

adjustment

vidual

The following

operator

Figure

Figure

We

with

deavor,

built-in

the

various controls

Intensity

through

oscilloscope.

range

of 48

should

desired,

not

exceed 5%.

this instrument can be

operation

setting the

to

primarily

between

be operated

cycles.

However,

50

at any line frequency

ar rhe higher frequencies.

OPERATING INSTRUCTIONS

(Figures

2-I

qnd

of the cavities

the

on

of the beam, and the module

the vertical

deflection of the beam. Thus, it is

to change from a horizontal

sweep merely by changing the position

module. However,

an unblanking pulse

to the cathode-ray tube,

used,

operation is

oscilloscope cavities. (The right.hand

trace is

the

obtained by using amplifier modules

ro in rhe plug-in

cavity;

manual.

in

2-1.
2-2.

know

your new instrunent.

you may

calibrator

the Z INPUT

the left-hand

cavity.) The procedure

on each plug-in

illusrrations

becoming familiar

Type

Front-Panel

Type

that you are anxious

set up

signal

on the display.

modulation

voltage

the

over

to

230-volt

I l5Vl230V Selector

designed

and

slightly higher

2-2)

modules may be

in the front

right,

1000

cycles.

operation,

60 cycles,

controls

there

permissible

Harmonic distor-

to

operate at a line

from

line voltages

of

the horizontal

is

from the left-hand

so when a vertical

not blanked between

manuals

cavity is referred to

is described in its indi-

are designdd

with

the oscilloscope.

Solid State

766H

Facilities

Calibrator

766H

to get acquainted

To aid you in this

instrument

the

to demonstrate the

of the CRT beam

connector at the

excursiori

power-line

converted from

or vice versa,

switch to the

this instrumenr

48 cycles

are

inserted in

the instrument.

de-

the

on

time sweep to a

no

left, con-

provision

sweeps.

cavity is

for

as the

for making

the

to aid the

Oscilloscope,

Display

en-

the

using

efiects of

is possible

rear of the

to

of

as

2-l

action

Co.nol:

SCALE

with

Control

voaca icole

.onkol

tion; tttoch€d

2

-

INTENSITY

vo.ier

II.LUM

il.h: dimBer

sit.h tuh3

operoting

no..

illu inq'

instructions

PAITERN ?OSITIONING

.Joyslick <onkol:

sirioning the dirploy

horizonlol o.d vorti.ol

the

directionr

potte.n

the

permitt

for r.gLhotion

wiih

tie

a#

SMEP

OIL,4YIIII

.t:t. a- / a'

-a

r

in both

grcli.ul.

*

po-

of

a

rocus

provid6' o. odilst-

Co.tol.

dble voltog.

tub. fo.ui

Cont.ol:
obl. voltos€

tub. to optifrit.

for .othod.ioy

srid

ASTIG

provide5

Ior cothod.-roy

t6 oPlinit.

on odiurt-

tPol rhoPa

Ita

-

Figvte 2-1. fype 766H

Solid Stote Oscilloscope,

-

Front Ponel

Fociliries

BEA/I{ ROTATE

Con(.&ic a<r€wddvlr.d'

vori6 th. field rtrength

hol,

whi.h rhe CRT b6om i.ter

cepl! cou3ing
thur .oFp..totios

.

corlh'3

mqgnelic

it ,o rotot.,

for

off..t or

lha

"2

fleodiGt INTENSITY,

ASTIG

.onirols for d

|eh,

Reqdiu,, 6 ,o

TOCUS ond

por.

shqrp

cenrer

th.

T6

obtoin lh. colibror,or

ihe numbered

Use

pldy.

rrcpr i, 3.q!.n<c.

the

ron.

Fro<.dur.

Thi. willeliml.ot

operoting instructions

disploy, ,er the

wh.n

'cockpir"

conhots

diffi<ulty i5

troobl*

erodty o! .hown

.rp.ri.nced wh.n

due ro ni3otignoenr

, EEry 765H

*

ond

obroinins

of controtr.

e

p€rlorn

o di!.

section

-

ASIIG,

Set
TENSITY

FOCUS,

(onrroh

ro

& lN.

ce.-

2

Set POSITION

Rotore inn€l l.ob

ABIE)

fllly

conhol. ro

clockeke

tvARt

Set

NORM

inner

(TRIGGERI

tnob

Set olter knob

t6

t/vtODEl

ro

CH 1

-. ,tr

A\.

:,ifi[

o{t-lYlc

s[EP

.-/

S.t to aUTO

e

-

-

,

5 mSEC

Sei ,wnch6 ,o:

TINE

+. AC,

A

Figure 2-2.

lype 766H

Colibrotot Disploy

2-3

section 2

.-

To

remove a plug-in from

unscrew

unit

unit

its

nected

Indicator

oI

tical

This is

SWP

plug-in modules

plug-ins

range

be

cavity.

brated

cavity.

bration

variations
When

be calibrated

the knurled

and pull it free

is provided

cernector, hence

whenever

When you change

the plug-in

and

horizontal sensitivity of rhe cathode-ray tube.

accomplished by means

CAL

to any NIain

The Type

in the order of 3 to I so that in general they

calibrated

All

Type

to

The Type

range of approximately

inserted

operoting instructions

-

thumbscrew

the

of

Main Frame. The

with a power-line interlock

all

power is automatically discon-

a plug-in is removed.

module

a

Unit to the

other,

you trust

the Main Frame,

at center bottom of

from one cavity

adjust the gain

siurply

plug-in

jumper

of

unit to allow for the difierence in

of the GAIN ADJ or

front-panel

screwdriver controls

on the

and permits normalization of the

Frame.

Series plug-ins have

76'00

to the scale

74-00 Series Amplifier plug-ins can be cali-

the scale

74-00

in X sensitivity

in the Y cavity,

urarkings

markings

Series

in

Sweep plug,ins have

individual Main

of

these

to twice their nonnal

a GAIN CAL

in either the Y

either the Y or X

a cali-

L25%

to adjr.rst for

Frames.

plug-ins can

sweep rate.

on

the

ver-

can

or

only

plares.

to unblank

coupled

CRT.

when

trurn

be
shot

cathode

speeds

available

tiated

brightening
single

X

l0

2-3,

eflective

no

Shot

the

the r.rnit may be

2.6.

To rerord

negative

Cathode

high

beam current

Basically,

used

except on fast

rnode,

of the CRT. This means

are used,

since the brightening

by

the capacitive-resistive coupling

Figure

?-3

sweep

g.sec, and 5

may

it

at very

real disadvantage

mode is to

BEAM

OPERATOR'5 MAINTENANCE INFORMATION

high-speed

or brighten

gate applied to

drive

lor beam brightening

writing

the beam brightening

the brightening

rates

with

rransienm,

the CRT beam

are required to

minimum spot

sweeps, because

gate is ac coupled

full scan unblanking

shows the efiect

pulse. The

and for

be

seen that the beam

sweep rates

respectively.

4,sec

fast sweep speeds.

since the purpose

photograph fasr

BRIGHTENING

operated

of the AC

Time Base

as a standard

it is

the cathode

feature

that if

gate will

coupled beam

unit was

of 50

,g,sec,

Judging

brightening

This

of the Single

transients. By

switch to

oscilloscope.

necessary

with an AC

of the

is desirable

assure

size.

maxi-

should not

in the single

to the

slow sweep

may not be

be differen-

network,

set up for

Z0

from Figure

effect oflers

4,sec,

is only

setting

NORMAL,

2-5. BEAM BRIGHTENING FACILITY

back-of-panel

A

BRIGHTENING

voltage

so that both

FAST

ing)

switch.

plying

Figwe

SINGLE

are

Beam

the

2-3. Single

and

the

NORIVIAL

available. See Figure

brightening

unblanking pulse

slide switch

is provided

high-frequency

(beam gate blanking)

SWEEP

Sweep Unblonking

ONLY (grid-cathode

is normally

to the

on all

Nlain

5-6 for location

accomplished

CRT beam gating

(Figure

2-3)

labeled BEANI

oI the high-

Frame models

and

blank-

by ap-

vs

Sweep Speed

of

Frequently,

covered

by the

tion

conspicuous

in

information

the operator.

o.

A Nqked Screen

If the

on the

plug-ins

is

Refer
remedial

screen lor

confined to

to Section

many

oscilloscope ailments may be dis-

through an erroneous display

absence of a display. The

the paragraphs to follow will

according

operator is not able

either beat-n after substituting

known to be

the Indicator

5 of this rnanual for diagnostic

proceclures.

b. lnsufficient Deflection

II the

horizontal

be

set

to the proper value

driver

controls

ins, then
supplies

TPl301

Test Point

chassis.

tnay
cient

if there

right-haucl
trtotlule

check

at Test Points

located

If these voltages

reside in

vertical

is insuficient

Instmction

is

rnodule.

or vertical deflection

GAIN ADJ

the output

on

the

TP200l also

one

oI

deflection,

Reler

Nlanual

on the screen or

pin-point this

to the syluptoms presented

to obtain a trace

operating properly,

N,lain

or

the trouble

Frame Unit.

signal cannot

with the front-panel

or SWP CAL

the

of

low-voltagrc

TPl00l,

N'Iain

check

the

it is in

horizontal

TPtl0l, TPt20l,

Frame.

located

out alright, the

plug-ins. If there

rhe left-hand module;

deflection,

The high-voltage

on the

rhe plug.

on

regulated

Nlain

is insuffi-

it is in rhe

to the appropriare

lbr

ftrrther

infonuatio[.

informa-

to

or spot

other

and

screw-

and

Franre

trouble

plug-in

2-4

opersting

instructions-section

2

c. lmproper

A front.panel

vided

on the Time Base Plug-in

tion

of this module

does

not have

of the regulated

mentioned.

out the

tory,
trouble may

Time Base Plug-in.

lmpropar

d,

If

external

but

the intemal triggering mode is not,

Sw..p Timing

screwdriver control, SWP

sufficient

supplies at the Test Points previously

II these

friggcring

and line triggering modes are satisfac.

reside in the trigger

CAL,

permit

to

to any main

range, then check the output

voltages are normal, then

frame. If this control

take-off circuit of the

normaliza-

is pro-

check

then the

Y Plug-in

ever,

any

resides in

Time Base

format ion-

e.

amplifrer

if improper

of the triggering

the Time Base

Plugin

Woveform

Distortion

If the display under

there is

insufficient

the problem

fying

POSITIONING

no other manifestation

deflection, improper

is confined

the distorted

conrol is properly

the

that

tiggering cannot

Instruction Manual for

signal. Check

operator

be obtainid

sources,

observation is distorted,

to the

the trouble probably

Plug-in itself.

of

rouble such

sweep rate

plug-in

which is ampli

that the PATTERN

adjusted.

is using. How-

from

Refer

to the

more

in-

but

as

etc., then

2-5

sEcTloN

3

CIRCUIT

3.I. INTRODUCTION

This section

circuit

Unit

description of the

alone. The circuit description will

the Instruction

of

the Functional Block Diagrams,

Emphasis

rather

mended

be

referred to in following

3-2, CIRCUII

q.

Low voltage and

provided by power translormer Tl00l. The
wound with

switched
series for
lector

rate

supplies

is placed on the interrelation of circuits

than on detail o{

that the schematics at the rear of

DESCRIPIION FOR

REGUTAIED

Power

Trqnsformer

two equal ll5-volt

in parallel for I l5-volt operation, or

either

230-volt

switch

windings which provide power to the regulated

S100. The

and two separate heater windings.

operation.

SUPPIIES

heater

power

operation

secondaries

b, Regulored Supplies

Four

regulated and two

provided
Functional

of the regulated supplies

voltage series-passing

The basic

is

CRl304.
applied

puts

other input

divider consisting

samples

A

-50V

base

the

output is

low-voltage regulated
nlents

the

supply.

Since the

plies

CRl201
full-wave
pacitively

and

with

output as shown in Figures

Block Diagrams

type.

reference for

established by

the frxed drop across zener diode

This constant drop

to the base

of

to difierential amplifier

to the amplifier is connected across a

R1302 through

of

a portion

portion

AD.l potentiometer

of

Ql30l.

output is precisely

also the

are always

-50-volt

is

similar, only the

and CRl202 are

rectifrer

filtered

applied

of the

of this sample voltage

Potentibmeter R 1303

voltage

supplies. Thus, voltage

made in the sequence

supply and

operadon of the low-voltage

circuit. The

by

Cl20l shunted by resistor

to the voltage

are of

all of the

Q1302

-50V

R1303, and is applied

-50

relerence

ending with the

*50-volt supply

connected in

Manual contains the

Main Frame or Indicator

Figures 3-l and 3-2.

is also recom-

It

the circuit description.

tOW

(Figures

vii

unregulated

3-l

for

windings that can be

instrument is

this

I l5V/230V Se-

the

contain four sepa-

supplies are

of the Power Supply. All

the constant-output

regulated

relerence voltage is

or

is

which

Ql30l

regulated output.

volts.

rectifted output

regulator.

one o{ the

and

R1305

is tapped by the

is adjusted so that

The minus

source for the other

starting

regulated

a conventional

DESCRIPTION

be keyed to

this manual

VOTTAGE

qnd

3-2)

primary is

and

3-l

Q1302.

is

3-2,

supplies

in-

The

which

to the

50-volt
adjust-

with

+200-volt

sup-

described.

is ca-

RI202

in

Operation

output

base

voltage

and

raise

Q1202.

The increase

applied

Q1203.

of

the

voltage

c.

The

applied to

through

voltage

out

oI conduction

sulting

consisting

brator

the

amplifier plug.in

set

to

CAL.

tion voltage

to-peak

of the regulator is

voltage

tends to decrease.

of the

error

the base voltage of emitter follower driver

in voltage at the

to the base

The

resultant increase in voltage

pass

transistor is

to its proper

Voltoge

power-line

excursions

square wave is applied

output

voltage

Colibrqtor

lrequency

the base

limiting

o{ rhe

resisror R1051. Negative

will drive

at the line-frequency

of

R1053 and R1054.

of one volt peak.to-peak

when the

plus

The

of

transistor

the

excursion

3-3. CRT CtRCUrr

q.

CRT Beqm Control Circuils

The INTENSITY

tive high-voltage

ray

tube grid

FOCUS
at the focusing

right at the

ASTIGmatism

voltage at the

both

axes

tion

service adjustment

cathode-ray beam

deflection

tremes of deflection.

voltage to adjust the beam current.

control R2014

screen

asti$matism anodes to focus

simultaneously. The PATTERN CORRec-

system to control the linearity

The BEAM

conrol R2016, part of the nega-

divider is

anode to set the

control R2022F is provided

encounters as it

ROTATE

trol R2022 is provided

L2001

varies
cepts
compensate
alignment.

around

the field

causing it to

the neck

strength which the

for the

rotate. This lunction

earth's

b. High Vohoge Power

Accelerating

obtained

voltages

by

rectifying a

as follows: assume

This will lower

detector

dc amplifier

emitter of

of the series-passing

such as to

value.

voltage

return the output

voltage

calibrator

transistor

at the

from Tt00l is

and positive

the fansistor into

rate.

to

a voltage divider

The attenuated

is coupled to

VOLTS/DIV

100-volt

is

of

supply and the satura-

will determine

of the calibrator

used to

provided

vary

to

second

vary

cross-over point

the cathode-ray

rhe peak-

waveform.

the cathode-

the voltage

tube. The

to

the spot

is set to vary the field the

emerges from the

at the ex-

front-panel screwdriver con-

to

vary

the

current

through coil

of the CRT. The current

beam

CRT

is used to

magnetic

Supply

effect

lor the cathode-ray

high

30-Kc

voltage produced

the
the

Ql20l,

Q1202

emitter

Ql05l

and

The re-

cali-

switch is

The

vary

the

inter,

trace

on

tube are

is

in

3-l

section

3

circuit description

-

i€ouiii;dl

Froov

rlrJrrr-;sr- l

uprraer I

I

Figurc 3-1. lype 766H

I;sovEG,Jrrrdl

j200Y

fstrr.Ei]l!-Eiliid

A{PLIFIEi

I

and

+100y

I

Regulororu, Functionol

Block

Diogrcm

3-2

Figwe 3-2. lype 766H

!50V

ond

-50V

Regulolors, Functionol

Elock

Diogrom

by

ransistor

nected

ffansformer

and

the reflected secondary

The

and applied via

work consisting

post-deflection accelerator

The negative

tap

on

which

The

rectiEed output of

filtered by

n€cessary operating potentials fbr the proper intensity

and focusing of the cathode-ray tube.

Regulation

accourplished

output

the HV regulator

HV

oscillator

tude

of oscillation of

manner

preset

level. Potentiometer R2009R, HV ADJ, is pro-

vided to preset
to

its proper level.

oscillator

as a

Class C oscillator

Q2002.

This tmnsisfor is

with the primary of

T2001 tuned by the strayed capacitance

impedance.

output of the oscillator is stepped up

a conventional solid state tripler

of CR2050 through CR2052

of the cathode-ray

high-voltage

supply

the secondary winding ol transformer T2001

is connected to a

C2008, C2009, and C20l t and

of the

by

sampling a

applying

and

Q2000

Q2003.

as to restore the high voltage output to its

the output of the

half-wave

-1440

high

voltage

a correction signal back through

to

Q2002

action changes the ampli-

This

Q2003

is derived from

rectifler CR200l.

volts is capacitively

provides

negative

porrion

of

the

to the base of the

and T2001

high'voltage

by T2001

to the

tube.

supply

rectified

in

such a

supply

con-

net.

the

3.4. NORMAI. SWEEP UNBTANKING

The cathode-ray

two

additional

electron beam independently
beam gate

turned

blanking, the

on and

tube used in this

beam deflection plates

of the control grid. In

electron

passes

through an aperture in the

oscilloscope

which cut ofi the

beam is

has

always

a

is

circuit

center

of deflection plates,

nxed

plate

X Plug-in.

gate

deflection plates

electron beam
blanking
blanking
behind

Beam control pulses

blanking pulses)

beam

Hence,

sweep

description

of a blanking

volt

+50

is

connected

When the

shield. When the sweep

gate voltage

the blanking

deflection plates are electrically

the display is visible

interval

shield. Behind

one of which is connected

source, while the

to

the

base

time

at the

are

passes

and is

through the aperture in

increases,

plate and the

(trace brightening

can easily be

blanked

-

unblanking

is sweeping,

same potential

the beam is deflected

dc coupled since

only during

during

section

this

shield is a set

to

second deflection

gate from

both beam

and the

ends and

screen is dark.

close to ground.

the retrace and

the un-

and retrace

these

forward

the

the

lockout interval.

3.5. FASI SINGLE

A back-of-panel

voltage

that both

and high-frequency

NORMAL

SWEEP UNBTANKINS

switch is provided

slide

Main

(beam gate

the high-

on

Frame

models

blanking) and

SINGLE SHOT (grid-cathode blanking) are avail-

able.

Cathode drive for beam brightening is desirable

when high writing

mum

beam current with minimum

When

uansients,

is

nique

it is desired to record high"speed,

the back-of-panel Beam Brightening switch

to FAST SINGLE SWEEP

set

completely turns ofi the electron beam eliminat-

ing the possibility

mation

when the lens is open for an extended

rates are required to assure

spot size.

ONLY, This tech-

film fogging and loss

of

maxi-

single-shot

infor-

of

period.

3

a

the

so

3-3

SECTION

4

4.I.

The tests described

should be

and Ma.intenance

formance of this insrument. These tests

into

sections for simplification

groups

where all test equipment is not available.
Secdon
required.

If this oscilloscope

Inspectiou

are recommended

instrument

at the

extreme

necessitate mi[or adjustments of
Hence, it is suggested that the

ffy the recommended

recentering

their

precision insftument. If, after

tests outlined

inshument will not

assistance

representative should be requested,

4.2. CHECKING
l. Check the line fuse (s)

3 amperes; an additional

"M" models: F150,

Check

2.

yalue:

Reguloted

+

*200 volts

3. Examine the

cally damaged components. Correct all

4. Apply power to tJre instrument through a variable

\.-, voltage

- voltage

operation.)

PERFORffTANCE ASSURANCE

TO ASSURE

'I/IAINTENANCE

PERFORIYIANCE

CHECK

in the paragraphs to

performed by Instrument Test

Laboratories to certify proper

and to assist those

where

complete checking is not mandatory, or

paragraph 5-7, lor list of test equipment

5,

NOTE

is checked by a

laboratory, the tests outlined

to certify

has been thoroughly tested

factory. Nevertheless,

environments, or long

adjustments not only

performance. This

rough shipment,

certilying engineer

the controls, but also

range and to familiarize

in the

of the local Fairchild Field

paragraphs

perform

himself with this

performing all the

to specification,

IHE POWER SUPPLY

Fl0l for

line fuse is

amperes.

2

Iuses

of the regulated supplies

Supply Symbol

volts

-50

*50 volts

100

Yolts

source (Variag or an equivalent).

ll5 volts. (Double this value for

to

Fl30

tt 20
Flr0

tl02

instrument

for charred or mechani-

Departments

Receiving

periods may

idle

the

to ascertain

follow, the

to

Engineering

proper value:

provided in the

Fuse

Roting

I ompere

1.5 omperes

I ompere

0.5 ompere

defects.

Set the line

follow

per-

are divided

test

Refer to

below

and aged

controls.

lor

the

proper

for

230-volt

5. Set up the

calibrator

6. Allow

adjustments.

Lower the line

7.

230-volt operation)

and must not

the lower limit o{

operation

as

outlined

Nor€.

with the

volt

supply,

8.

Raise the line voltage

230-volt

and must not

this upper

tion

230-volt operation).

operation)

of the low.voltage power

9. Reset the

4.3. CHECK RIPPTE OF
l. Use

4290 Probe.

Ground all chassis to

2.

Set

3.

the oscilloscope for ac coupled

Y

sensitivity to 5

4. Use AUTO triggering with line sync and set

SWEEP

output of each power supply as listed below. (For line

frequencies

twice the line frequency.)

4.4.

of

pin

Type 4290

square wave; rise

ringing

RATE switch to 5

5. Measure the amount of

Reguloted

Sspply Ripple Voltqge Test Point

-50

*50 volts

+ 100 volrs

200

+

CATIBRATOR

Woveshope

o.

l. Adjust

mv/cm

20

jack

on

2. Observe a I volt

should be

oscilloscope to obtain

signal.

minutes Ior

20

be

erratic.

of the low-voltage

in

Section 5

Always

-50-volt

check the regulated

supply and

be erratic. Il instability is noted

limit of line voltage is reached,

line

a Type

volts

704

mv/cm.

other thau 60

l0 millivolis

20 millivolts

30

volt5 65 millivolts

the Type

and connect

the front

Attenuator

time to be

less than

TEST

six cycles

warmup before making

voltage to I05 volts (210 volts for

. The

disptay

should

remain stable

If instabitity is noted before

the line

. The display should remain

voltage

CHECK

Check

704 Oscilloscope for

panel

voltage

regulated

is reached, check

power supplies

of this lnstruction Manual.

voltages

ending with the

to 125 volts (250 volts for

supplies.

to 115 volts (230 volts for

IOW-VOIIAGE

Test Oscilloscope with a Type

power-line

ground.

input

mS/CM.

120-cycle

cycles, the

p-p
p-p

millivolts

p-p

p-p

the Y INPUT

the

of

Probe.

cm) peak-to-peak,

(5

than

less

5/o (50

ripple at

ripple will

mox TPl3ol
mox TPI2oI
mox TPI l0l
mqx TPI 001

Main Frame via the

20 g,sec.

mv

of the

starting

+200-

stable

before

check opera-

SUPPTIEs

and set

a sensitivity

to rhe CAL

60-cycle

Tilt

or

2.5

mm) .

any

the

be

and

4-l

section 4

performonce

-

ossuronce

test

\--, b. Amplirudc Accurocy

Nole:

scope.

l. Precisely

the Ballantine Model 420 Calibrator. The oscilloscope

is

set

20

2. Set the

I Kc at

3.

4. Transfer

tor to the

This

check is not required on every oscillo

calibrate the Type

up

with the Type

mvlcm.

Ballantine

an output of I volt

Adjust oscilloscope

the Probe

pin

I volt

(Optionol

4290 Probe

Calibrator

peak.

for

5-centimeter

from the Ballantine Calibra-

jack.

Note Calibrator

Tcstl

Oscilloscope

704

at a sensitivity

lor a frequency

vertical bar.

with

of

of

amplitude

to

be 4.9 to

using

the anti-parallax

4.5.

€HECXING CRT GEOIAETRY AOJUSTIIAENT

Set Y VOLTS/DIV

RATE

wave patterns

play

should fall within a 6 cm x l0 cm

9.75

cm frame.

Adjustmenb,"

for

further details.

5.1 cm (l volt

switches to

on the screen for

Refer to the

in Section

mS/DIV.

5

-+2%).

scale,

switches

paragraph

this Insruction

5 of

to

Note the steady square

each beam. The dis-

Avoid errors by

CAL and SWEEP

and a 5.75 cm x

entitled "CRT

Manual

4-2

SECTION

5

fiTAINTENANCE

INTRODUCTION

5-t.

This section

service information and

ments. Refer to Figure

block diagram of the Type

WHEN THE COVERS

of the Instruction

THE INSTRUMENT

ERCISE CAUTION WHILE THE POWER

IS ON.

(Figure

procedures for internal adjust-

WARNING

5-l)

Manual contains

for an over-all functional

5-l

system.

766H

ARE REMOVED FROM

SERVICINC, EX.

TOR

AND

To

side

tors

5-2. REiIOVAI AND TEPI.ACEIIENT Of PARTS

lf it is necessary

from

Serial Number

parts

lbr

Parts

values,

lor

This

RECATIBRATION

gain

access to

rear covers.

and

and service adjustments for normal mainrcnance.

the Iactory, always give the

of the

tbr in-warranty replacement

out-of-warranty replacement, be sure to consult

List in this manual. The Parts List gives the

tolerances,

all electical components used in

help

will

to exlxdite service.

chassis for

the

will expose all of the transis-

This

to order a

instrument.

ratings, and

service,

replacement

Type

or

the factory part

remove

component

Number

Before ordering

purchasing

instrument.

the

them

number

the

and

the

Figure 5-l ,

lype 766H

Over-ol,

X OEFL

I

oJ Fasr

lswEEP

Sysrent Fuactionol

str cLEl

oNLY

I

UNALANXITIG GATE

FROM

X PLUG.IN

Elock Diogrom

RorAr"l

FEAM

Fsrn'l

Fdcl

|.iITENffiN

tzllrPuil

5-I

section 5 - mointenonce

qnd

recolibrotion

your

Since

.

p".t,

-

ma'y have been

nents.
components

ever, if you

been

superseded

part

will be shipped in place of the part ordered.

It is the aim

available

within

which

will help the

equipment

Field

representative maintains a limited

spare par$.

replacement parts on a rush basis.

instrument

In such cases,

will not

left the factory, some of

superseded by improved compo-

part

the

be listed in your

numbers

order a part from the factory and it

improved

by an

of

most reliable commercial oscilloscopes

the

the

of the art and to

state

its

to

AIso, the factory

the Fairchild

user

to rapidly

specified

component,

organization

restore any of our

performance. Your

may be asked to airship

of these new

Parts List. How-

provide services

number of

The procedure for replacing most parts in this

strument

their

Nord.' Be

lating

sistors that require them. Always

sinks with Dow Corning silicone grease for optimum

heat

5.3. CATHODE.RAY TUBE

is

obvious,

removal are not required.

sure and

washers

ransfer.

therefore specific

replace the beryllium oxide

(they

serve as heat sinks) on

CAUTION

REPTACE'{ENT

instructions for

grease these heat

THE CATHODE-RAY TUBE SHOULD BE

HANDLED WITH GREAT CARE TO

VENT BREAKAGE AND/OR SERIOUS

soNAL

TNJURY

To remove the cathode-ray

covers,

the
the

CRT. Pull

the front panel.

on the CRT

cathode-ray
cedure.

and scan

be necessary to recalibrate. Special attention should

given

to

disconnect the tube

4 leads connected at
bezel and loosen the tube clamp at the

the

as the tube is removed. Install

tube by

Be sure to align the scale to the CRT trace

aperture.

After

the cathode-ray tube

to recalibration

the amplifier sensitivities.

5-4. SERV|C|NG

Although this is

trouble

cuits:

rnay be localized

FROM

socket,

neck

the

cathode-ray

Be careful not

the reverse of

HTNTS

tube straight out

of the time

TLYTNG

tube,

of

to

has been replaced, it may

base

GLASS.

first

remove

HV anode cap, and

the tube. Remove

base

break the neck

the foregoing

sweep

a complex electronic instrument,

to the follo$'ing basic cir-

l. Low-voltage Power Supply

High-voltage Power Supply

2.

3. Cathode-ray Tube Circuit

_

4. X Plug-in

5. Y Plug-in

the

has

the new

make

to

local

in-

insu-

the tran-

PRE.
PER.

the

the

of

through

pins

the new

prG

be

rates and

Whenever trouble

to

localize it to

There

understanding

best

help. With an understanding of the circuit opera-

tion,

general

aid in

block

matics.

To

ance, it

intervals. The

the

installation

these regular

no

is

it will be

source of

trouble

diagram

keep electronic

is desirable to check the equipment

checks, clean all

unit using a light

insure
you

operation or every six
Also, the calibration of

checked and

of any

-ent

the Manual.

reliabitity of

the

recalibrate

adjusted after

component in the

procedure

In the event of

the following suggestions

l. Remove the

broken wires and

in each

test points in the

power

occurs

one

of these

simple way of

of the lunctions

possible

troubles

shooting

in

this

period between

and the conditions

air blast or

instrument after

this

for this unit

improper equipment

side and

faulty comPonents,

supply

Main Frame.

within specifications,

in

known to bi operating

plug-ins. It

the

is suggested

in this insrument,

basic circuits,

locating

of the

to make

Irom

this

Section and also

units operating

measurements,

months

a unit should

unit.

are

rear

Measure the

buss.

a good guess at the

the

unit, refer to the

checks will depend

dust and dirt

brush. However,

soft

if used intermittently.

the rePair or

The complete

is given

recommended:

covers and

If all

problem

the

properly

will

that

be inserted on

troubles. An

circuits

symptoms.

to the sche-

at top

of operation.

we suggest that

each

500

atways

replacement

in this

perlormance,

Check

voltages

the above

most likely

other

stitution basis.

Whenever

2.

make sure that

panel conrols.

the

COUPLING,

properly

set on the

an aPParent

it is not

For instance,

SLOPE,

Time

triggering problems

3. When

the

trouble

suspecting

4.

trouble

within

that

scorched parts, may be

using accessory

is zol originating

the oscilloscope

When

it has been

exists

given

a

circuit.

and has

unit, then

Many

or

are

been localized

troubles,

exposed

trouble

caused

by

SOURCE

Plug-in,

Base

manifested.

probes or adapters,

in the

itself.

determined

make a visual inspection

such as loose

by this method. Obvi-

ously you should find and eliminate

charred
placing damaged component.

oscilloscope

probe

unit

access

quires

resistors or

5. Localizing the trouble

to check waveforms. Use

while rouble shooting.

6, Sometimes it may be necessary to

from one cavity to the

to that particular part

checking. A Type 4294

over-stressed capacitors

is made easier by use of an

other

of the

Extension Cable Acces-

is pin-pointed,

improper setting

iI the TRIGGER

controls

then aPParent

accessory

that a

to a given

the cause of

a high-impedance

move

in order to gain

circuit that re-

6rst

is

As an

system

perform-

regular

at

from the

hours of

fully

be

adjust-

Section

inspect

fuses

the

at the

Plug'ins

a sub-

are

be sure

before

speciftc

circuit

wires,

before re-

plug-in

the

ry

the

on

For

to

of

for

are

.be

of

im'

of

5-2

mointenonce

qnd

recolibrotion-section

5

sory

is available

operated

oscil

7.

refer

while

loscope.

If

rouble is isolated

to the appropriate module manuals for

information. If

to the Main Frame

follows:

The first

is to measure

Points TPl50l, TPl2Ol, TPll0l and TPlOOl

cated

not

power

refer

Shooting

proper,

circuit. In this instance,

titled "Trouble

step in rouble shooting the

the

on

as i4dicated, the rouble

supply or the power source. To

to the subsequent

the

the trouble resides in the

permits

and

extended through

to one of

the trouble has been definitely

Indicator, then

or

plug-in unit to

the

the front of

the plug-in

proceed as

Indicator Unit

power supply voltages at

the

Main Frame, If all of

paragraph entitled "Trouble

Power Supply." If all thqse

refer to

Shooting

the Cathode-Ray

the voltages are

is

the low-voltage

in

check

voltages are

cathode-ray tube

paragraph

the

isolated

Circuit" in this Section of the manual,

5.5. TROUBTE SHOOTING
.

WARNING

THE POWEN

WHEN THE COVERS ARE REMOVED

THE INSTRUMENT

ERCISE

ON.

more

tial

large filter

When you

hand
metal frame

stand

tools. It is advisable to ground the

rhe

As an aid in uouble shooting

refer

3-2, and to the

L If

pilot

CAUTION WHILE

The lower-voltage busses are

dangerous than the cathode-ray

because o[ the high-current capabilities

capacitors employed

reach

while

it is

with

an insulated floor and

on

power cord whenever the instrument

{unctional block diagrams

to the

low-voltage power supply schematic.

insrument fails to operate,

the

checl

light,

the source of

FOR SERVICING, EX-

THE POWER IS

in

into

turned on,

the

instrirment with one

the

do not grasp the

hand. If

other

the

power and

SUPPIY

FROM

potentially

tube poten-

these supplies.

possible,

use insulated

third lead

is

in use.

power supply,

Figures 3-l and

includinB the

determine

that the power cord is firmly in place. Then

fuses located

Figure

5-2.)

Nor€.'

the

uanslormer Tl00l and associated

at the

Disconnect the power cord when working

rear

the instrument.

of

circuits.

If the fuse is blown, replace it with one ol

proper

fuse

for

rectifiers

line
of Tl00l if the line-fuse

value

blows,

shorted primary

i! the secondary

fuse Fl0l. Check for an operr

reconnect the line cord. If the new

and

immediately

or

the power transformer

check
secondary

circuit will also blow the

is good.

windings. Shorted

primary winding

be

the

units,

further

Test

lo-

these,

en-

Tube

and

in

check

(See

on

the

2. A thermal cutout

unit. If the

stopped, it may

mal

cutout switch.

reset

ment

heating
ambient

3. If the

one

of the regulated power

not

correct, check that particular regulator circuit.

Each

These

sary with

Note.'

with

volt supply.

When

Particular

instrument has been

have overheated and

itself when the interior temperature

drops

to a safe value. Possible causes

are: resffiction

temperature.

line voltage is within specifred limits, and

of the regulated supplies is fused separately.

fuses should be checked and replaced if neces-

new

a

fuse of the

Always

the

-50-volt
the circuit

regulator, then one may

within this circuit

nent

(s). The description

prove

useful when diagnosing circuit ailments.

4, If none

the

trouble probably resides in the

supply

the

regulated dc voltage
open

lated supplies,

since this

other

One cause

or shorted rectifier

5. If there is excessive ripple on any of the

the regulated voltages

of

three

regulated circuits.

of insufficient output

replace the

5.5. TROUBTE SHOOTING

intensity, focus, geometry, and calibration o[

The

the cathode-ray
tion

of the

remove

the voltage

voltage reading should be between

-

just

voltage.

the rear cover from the

1440 volts with

the HV ADJ potentiometer

Remove power and

the primary

transformer T2001. The resistance across

winding

resistance

CR2052 to ground; it should measure

ohms.

should measure around 5 ohms.

tube

high-vottage supply. To isolate

at Test Point TPZDOI

and secondary

of the secondary winding

Also, measure the voltages at other

circuit

voltage

check

the cathode-ray tube itself which should be checked.

for

which

power supply schematic.

out correctly, then the

If the low-voltage power supply

mally, but no spot

then

the trouble

defect in the CRT circuitry including the high-

a

might be

switch is incorporated in

working but has

this

just

tripped the ther-

The thermal

cutout

switch will

of the instru-

of over-

air circulation and

oI

supply output

proper

check the regulated voltages starting

supply and ending

value.

with the

high

voltages

+200-

ailment has been confined to a

kouble.shoot

to locate the

of the circuit involved

voltage

serves as a reference level for

which

diode.

defective

are

-5O-volt

voltage is low un-

might be caused by an

compo-

may

correct, then

regulated

unregu-

frlter capacitor (s).

THE CRT CIRCUIT

display depend

proper opera-

on

this

trouble,

Main Frame. Measure

using caution. This

volts and

necessary, ad-

high-voltage

of

the primary

Nleasure the

respect

ground.

to

measur€ the resistance of

windings

-1350

If

R2009R for proper

from the anode of

around 175

points in the

typical values are

trace is visible on

or

defective cathode-ray tube,

a

given on the high-

If all

trouble may reside with

these voltages

of

is

operating

the

nor-

screen,

is

5-3

section 5 - mointenonce ond

recqlibrotion

\---rr'oltage

the

cathode-ray

Manual

5.7.

graphs

factory. All
voltage,

Unit

time base plug-in

modules

must be

be performed

Indicator.

Volt-ohmmeter

Squore Wove Generolor

Oscilloscope

supply, an unbalanced

plug-in

Note:

modules, or a defective

To obtain

a spot or trace on the

tube must be unblanked.

Refer to the appropriate

for further

IEST EOUIPMENI REQUIRED

ADJUSIIAENT5

lntrodu.iion

o.

information.

plug-in

The adjustmen6 outlined

are based on the test procedure

adjustments

I l5Vl230V,

for

calibration, insert an amplifier

into the

are signal sources

fully tested

on

Test Equipm.nt

b.

substitutedl

Equipment

should be made at mid-line

-+2%.

Main Frame. These plugin

for

and certified units. No testing

plug-ins tbr calibration of the

the

Required

Simpson Modcl 260 or

-

plet

20,000 ohms/volt

Foirchild Type

-

Foirchild Type

-

porollox

condition

in the following para-

To set up

Model 630

#4501

4290

High-Yoltoge Meler

Aulotronlformer

Digitql

AC

Stqndord Amplitude

LC Meter
DC

Oscillotor

Voltmeter

Voltmeter

Cqlibrqtor

Current

Probe

l0:l Porrive Aitenuqlor

-

Probe

Sensitive

-

DCH-I

Powerstot, Vorioc;

-

of vorying

inslrument

.lohn Fluke Model 8018;

-

I mv to

Weston

-

Eollontine Type 42O

-

Tektronix Type

-

Hewlett-Pockord

-

Hewleii"Pockqrd Type

-

5.8. ADJUSTING THE IOW.VOI.TAGE

5UPPtIES

Connect the autotransformer

ource and

'-this

output

oscilloscope

transformer.

connect the

oscilloscope to the output o[

Turn on the instrument

Ior the nominal

(ll5V for tl5-volt

operating voltage

operation

in

either of

screen, the

Instruction

the

Indicator

circuit.

unblanking

module

FOR SERVICE

followed at the

plug-in and a

Main

the

(Equiyolent

Der(ription

scole
200r

Reseorch Model

500

Model

Frame

msy be

Trip-

sen3itiYiiy

791

qnii-

with

7O4

(scole

I

line

bcing colibroted

copoble

voltoge of

yolts

433

130

Type 4288

650A

POWER

to a suitable power

and set the

of the

or 230V

and

will

ihe

for

230-volt operation) .

Ior about

Nore.'

or more

unless

desired.

Use

supplies

-50V

+50V
+100V
+200V

Vary

105

lated

supply which is

the

volts

above tolerance.

l0 minutes.

Do not

of the supplies

a complete calibration

a

John

in the sequence and at the Test Points listed.

tl0
t20
t20mv
t30

the autotransformer output voltage between

volts and 125 volts

supplies stay within

autotransformer output between

and check to see that all

Allow

adjust the

insrument

the

-50-volt

is actually out

of the instrument is

Fluke Voltmeter

and adjust

mv TPl30I RI303
mv TPl20l R'|213

TPll0l Rlll2

mv TPl00l

and check to see

!.1%

tl.5/o.

F?rr

Rl0l2 +200VAD,

except the

230-volt operadon,

voltages

supply unless

of tolerance

5.ry1.r

that

volts and

210

stay

5.9. HIGH-VOITAGE ADJUsTMENT

Use

Sensitive Research High Voltage Meter

Probe

and adjust

5.IO.

with caution.

Appty Probe

R2009R (HV

ADJUSTMENTS

CRI

to the

-1350V

ADJ) for

Test Point TP200l,

1350V

-

o. Grqlicule Externql to CRf

To align the trace to the graticule,

follows:

l.

Use recurrent

vertical

range.

channel.

Set BEAM ROTATE control R2022 to mid-

2.

3. Center

trace and rotate CRT to

4. Tighten

To align

Iollows:

l.

Apply

oscilloscope

time.

2.

display

3. Adjust

erage of

Nole;

when

IIEAN,I

alignment

60-cycle signal

for full-screen deflection,

Slow sweep rate to

on screen.

eccentic cam to assure full

scale and

This adjustment

the CRT has

ROTATE

discrepancies

sweep

CRT clamp.

the graticule to the

vertical

control

with no

the Y INPUT

to

ms/div. Note full raster

50

CRT

scan.

should

been removed

should be used for

thereafter.

signal

match

scan,

one beam at a

o-division cov-

be

only

or replaced. The

to warm up

one

check the

or

dlu.rm.nr

ADJ

-50V

+50VADi

+l00VADJ

all regu-

vott

+200

vary

250

within the

and

volts.

115

proceed as

applied to

scale.

proceed

and adjust

necessary

any

or

as

5-4

rI

QI

i'

I

OO2

a't;a

tl

02

mointenonce

.'

C

r:, ,:

+ 50v

Regulotor
Supply

snd

recolibrqtion

-section

oiosr

[;li;l;",

5

Figwe

r.,O"6

5-2.

Reor

View

Showing

Regvlotor

fronsistors

Supply

ond

CRf

5-5

section

5

mqintenonce

-

qnd

recolibrotion

i

'1

il

TP200l

I350V

t

'1

ll

f

.

5Ov

Reciifie15

CRI202

CRt 20t

cRt 301

50v

Recti{iers

*204v

cRr 302

Ir

t 00l

cR

cRt002

t-;ffi;,

-

..:r:.i{i

_ _-_,-.

Figure 5-3. Reor View

--

ln

15v/230V

-

setecior

-

HV

Recti{iers

cR200t

:

t

Showing Fuses,

Switch

ond Diodes

I

5-5

mointenonce

ond recolibrstion-section

5

TPt 001

-i-

TP] IOI

+toov

TPt 20t

+ 50v

TP]

.

Oj',.

200v

.'S'io'oou

I

.

c.;

'*r:"i'lkv

a:"f

"e

-

30I

t''#

50v

.b;,iii

Rt0t2

," t

"

i3Ji

adi

"i^

-.^^:'"

I

11.)

;-

, )

Yy'

Figvre

5-4.

fop View

of Chossis

Showing fest Points,

fronsistors

ond Adiustmenls

5-7

section 5

mqintenonce ond

-

recolibrotion

H

{A

tJl

$

5-8

Figure 5-5. Right

Oblique View Showing X E Y Peoking frimmers

O

O

il

mqintenonce

R2009

tai

uv

Pot. Corr.

'$;r2

l

-!rr

snd recolibrstion

.

section

-

5

s2r0

Beom

Brightcnins

cR2o5o
cR2051

Inside

Cover

Reclifiert

Q2003

Inside
Cover

Oscillotor

Figvre

5-6. Lelr

Oblique View

Showing

fronsistors,

Switch

ond Adiustment

5-9

section

5

mqintenonce

-

ond

recolibrotion

\-, b.

the tube
dicular

6xture.

vertical

R2022

scale.

RATE

wave

until

edges

and

5.II.

Groticule lnternol

l.

Where the graticule

so that

to the

Clamp CRT.

Use

2.

recurrent

channel.

3. Center trace and adjust BEAM

horizontal

the

le{t side

sweep with no signal applied to the

until trace is parallel

Potlern

c.

Set

l.

Pattern

Set PATTERN

2.

the verdcal and horizontal

are

Note:

a 5.75 x

SETTING IAAIN FNA'

AND HV

Correction ADJ

Y VOLTS/DIV

switch to

optimally straight.

'fhe

9.75 cm

mSEC/DIV.

5

on screen.

CORRECTION control

display

rectangular

SERIES ONLY

should

o. lntroduction

The

Low

and High

vided

with a

tween pin

axis blue

capacitors
capacity

The

standardization

C1032)

one Main

high-Irequency

Plug-ins.

small rimmer

I and pin

17 on the

ribbon connectors.

is to

standardize

between

Type

of these

will

allow interchangeability

frame

to another,

adjustments

b, Adiustment Procedure

l.

Obtain

(which

!r^om- $9

130 LC Nleter,

Remove

2.

3. Connect

J900t-l

J9001-17.

4.

Connect

J9001-17

.J9001-1.

5.

Remoye

ground

Measure

-6.

lote

\-

thrs measurement

Then;-

7.

a capacity

eliminates

measurements)

or equivalent.

the Y Plug-in

"Guard

the

and measure

Note

this measurement

the "Guard

and

measure

Note

this measuremeni

"Guard

the

J9001-17.

the capacity

A+B

+

the

2 (C

to CRT

is internal to the CRT, align

center line is

the frame, using

of

perpen-

a suitable

ROTATE control

horizontal lines

to

switch

Voltage Main

766H Series

meter

effects

similar

Voltage"

the

Voltage"

the

Voltage,,

"C".

as

-

to CAL and. SWEEP

Note

steady square

lines at the

fall

within

frame.

E CAPACITY FOR tV

(Cl03l

capacitor mounted

rear

of

6 x l0 cm

a 6 x l0 cm

qnd

C1032)

Frames

both

X and Y

The purpose

the CRT deflection

Main

of

capacitors

with

a minimum

on both

with a

of orher

(Cl03l

plug-ins

of

the X and

.,Guard

Voltage',

capacitanies

to Tekronix

module.

of the LC Meter

capacity

cipacity

from

B)

=

to

ground

-

t'A,'.

a.

of the LC Meter

to ground

,iB,'.

as

from

J9001-l

6.3 pf

-

J9001-17

to ground.

tor the Y

R2009F,

are pro-

ol

Frimes.

of the

be-

these

plate

and

from

Type

of

of

and

side.

ro

to

of

y

I1 not,

X Plug-in

.J800r.17.

should
adjust

5.I2.

adjust Cl03l

8.

Reinstall

module.

9. Repeat

10.

The relationship

steps

equal

7.8

C1032 until rhis conclition

TYPE 7062

(H/F

Series Onlyl

until

the Y Plug-in module

3 through 6 using

pI for

CEI TERITINAIION NETWORK

o. l]|troduction

The Type

"standard

Frame

766H/F,

been

100 Mc

Oscilloscopes (Types

provided

equipment" with the High-Frequency

766NIH/F,

Dual Trace Amplifier.

CRT Termination

7062

767H/F and

to accommodate

b, lnstqllstionlnslruclions

The

Type

7062 is avaitable as a kit

H models

is

acquired

Oscilloscope

tion

mandatory.

the operation

See

and

c. Peoking
l.

Figure

2.

the

Note.'

connectors

inductive

terminal

3.

Type

4.

termination

nanoseconds

5. Adjust

positive

_6.

Type

twin

-7.

of

twin lead.

8._Install

amplifier

9.

I0

Kc.

10.

to H/F models.

at

has

of the Type

lfowever,

of any

Figures

Figure

Tack

Type

5-9 lor the Interconnecting

Figure 5- 10

Hook

up Test

5-10.

the free

7062

Do not use

that

lump.

or amphenol

Display

791lA Fast

Set R2065

the

bump

from

HF peaking

bump 0.2

Remoye

4294

Extension

lead.

Install

the Type

a Type

plug,in

Set Type

Adjust

LF PEAKING

a later date

not been modified,

7062

other Fairchild

5-7 and 5-8 for Installation

Adiu:tments

end

Termination.

alligator clips or

will introduce

A small

top half

Rise Step Generator.

LF PEAKING

should appear approximate[y

the

division

Type

79-02.{ Dual

7062 with its normal

76-08 or

in

the Y

79lA Square

condition

this

of the parameters

is

obtained.

and remove

J8001-l

in step

the X side; if they do not,

is obtained.

Network is

765H/F,

767MHIF) . It has

765},{II/F,

the Type

ro transform

If a Fairchild

and the Type

CRT Termination

this installation

(C2053

Equipment

of rhe twin lead

a large

jack

such as

connector

start of the pulse.

trimmer

Cable, and disconnect

would

a I NIc

of

ADJ

C2053 to

in amptitude.

other lower frequency

cavity.

Wave

ADJ

Type 79-02A'

766H

then the installa-

Network is

will not affect

amplifier plug-ins.

Instructions

Diagram.

ond R20651

as indicated in

to the input

other bulky

capacitive

a tube socket

be suitable.

signal

frorn the

to mid-range.

produce

Trace Plug-in,

$/4,,

Generator

R2065 for

the

and

Maiu

79-02,4'

the

Series

of

type

or

A

25

the

ihe long

length

for

flat

top.

7

a

5-t

o

mointenonce

qnd

recolibrqtion-section

5

Disconnect X &

le6ds from

lnsioll

work

CRT

ihe Type 7062 Nei-

Deflection P,ote

to Y

:

Y Deflection Plote

Unsolder ond remove Y De-

Ileclion Plote leodr

mer .opocilor from

ond l7

of J9001

ond

pins

trim-

i

Solder 300-ohm

pins

to

I ond 17

twin leods

ol J90Q1

Figure

5-7.

lnstslldtion

lnsrructions

5-I

t

section

lnstoll

7062 Neh,ork in

5

mointenonce

-

clomp ond foslen ihe Type

poriiion

qnd

recolibrotion

Reconnect

leods

through slot

X DeJlection

r':'ii{1

,t.

:1.

I

,i

'1

I

1

Plote

os :hown

5-12

Figure

5-8.

lnstqllqlion

lnsrructions

mointenonce

qnd

recolibrotion

-section

5

To

J9001-28

To J90Ol-t7

Figwe 5-9.

5.I3. SUPPTEMENI

oSclttoScoPE

IYPE 766H

FOR

iAOD IO2

o. lntroduclion

Type

The

to the regular
the A

B DC OFFSET

i

766H

Type

Mod 102

766H

minor Parts List and Schematic revisions as

elsewhere

in

this

paragraph.

Main Frame is identical

except

potentiometer Rl07l and

for the addition of

Type 7062 ,nrerconnecring Diogrqm

Adiustment

indicated

b.

When the A

properly

the

position.

adjusted,

trace when the

To properly adjust, proceed as follows:

l. Set up Time

ing to

obtain a reference trace on

IVIODE

Set

2.

screen center with CH

3.

MODE

Set

screen center with CH 2 POSITION control.

of A s B

r-

B DC OFFSET

MODE

Base

srvitch to CH I and position trace to

switch to CH 2

Toj900l-23

DC

Offser

there will be no depositioning of

switch is set to the

Plug-in

for

the screen.

l+ 50Vl

Rl07l

POT

potentiometer is

ADDED

automatic rrigger-

I POSITION control.

and position trace to

s-t 3

section

4.

Set MODE

'umber

Ys

offset

5.

Set MODE

and

2

opposite

ment

that

trace

was

c.

Chonge

Chonge

Add

Delete

5

-

switch

graticule

oI

from

screen center.

switch to ALT.

POSITION

side of screen

was

ofiset from

Electritql Pork

conrols,

noted in

Symbol

J1005 from

W'1001

Rl07l

R1055

mointenonce

to

ADDED. Nleasure

divisions

screen center

list Revision

Rt

the trace has

position

cenrer by

step 4. For

to
from
to

&

056

Using Channels I

the trace to rhe

the exact displace-

example, if

r/2

by

I

for

I|IOD

Port

0904
0905
5030

5030
0109

0to7 2631

qnd

the

shifted or

the

divisions,

t02

Number

438t

76t

0

l39O

1890

l4t

o

recolibrqtion

then

position

center.

6. Set

the

to

bring

Rotate

7.

There

should be

preceding

Description

Jock

tip,

BNC

connecto.

Coble

Assembly

Coble Assembly

Resistor,
Resistor,

voriqble.

vorioble,

the

steps

block

the trace

+

A

B DC

trace to

MODE

the

no depositioning

i{

necessary

composition.

composition.

lr2 divisions

OFFSET potentiometer

screen center.

switch throughout

to achieve

50K

ohms,

30K ohms,

below

of the

trace. Repeat

this condition.

120

-r2O%,

screen

Rl0Z1

its range.

%

yzW

d. Schemotic

Revise schematic as indicated in sketch below.

TYPE 79IA

SQUARE WAVE

Output

Chonges for MOD

GENERATOR

tnt

102

Typ.

791lA

Forr-Ris.
Stcp c.n

,/

@

15 {.et

Twin

300()

Leod

JAOOr

'rH'':"o.1',o,

To Type

!

I

7062

Terminolion

TYPE

74.03A

TIME BASE

5-I4

lypc

Exi€n.ion Coble

l,toditied with

twin leod

neded

(*5004

,o pinr

4291

l5 lecr

12801

I

ond 17

of

ond

ol

300()

con-

iocr

SECTION 6A

ELECTRICAL

AND

INTRODUCTION

The Fairchild Types

Oscilloscopes

bench,

models

Series;

Series,

numerical

In

addition, there are alphabetical sufrxes appended

are ayailable in three

rack, and portable models. The Portable

are identified

Bench

the

and the

Rack-mounted

Series.

by

models

tow

HIGH
HIGH

765, 766,

the

by

SERIES

VOTTAGE

VOI.IAGE

FREQUENCY

and

767

basic form factors:

Type

765

the Type 766

models

by

the Type

PARTS

SCHEftTATIC

to the numerical

Family

of

numerical
numerical

767

765, 765M, 766,
765H, 76sMH,

7 6sH

767MHlt

lF,

76sMH

circuits.

scope

voltage

identified

The

model;

ized
below.

766H, 766MH,

/t,

The

with

option is

suffix

the

The

Type

into three basic

TYPES

766M, 767, 767M

7 66H

LIST

series to

H denotes the high-voltage

suffix

an accelerating potential o[ l3 Kv. The

5 Kv

by the

absence of the H alphabetical

F denotes

M

sufrx

/F,

denotes the militarized model.

Series Oscilloscope

766H

Series as indicated

767H, 767MH

7

66MH/r, 7 67H/t,

iclentify

and these

special electronic

series oscilloscopes are

the high-vottage,

high-frequency

may be categor.

in Table given

oscillo-

low

suffix.

Synbol Pori Nuhb.r

Noter: l,

cl00r &

croo2
cr003 0319 3880

cr00,{ 0326 1520
cr006

cr007 0325 7860
cr008

c1009 0327 1890

Cl03l

{HV

only) 0319 125r
cr032
crrol 0319 3890

cl ro2

cl103 0326 4520

cl

c o6 0319 t050

cr

o3r9

lo4
r07

ct20t 0327 6930

.r

_ct203

ct701 0325

c1206 0326 7860
c1207 0319 1050

D.s..ipilon

CAPACITOR9

All .opocitor.6re fir.d,.eromic,

spe(itied,

2. GMV d.noier

1620

0326

0326 7810

1050

0319

ond LV

r25t

0326 7s10
0326 7860

0327 1890

0326 1520

7840

pf (ppl)

5000
glactrolytic.

l50v

1000

plorti.,

200v

plo3ti.,

O.O2

el.ctrolyti<,

-I0%,

voriobl.,

vorioble,

elecrrolyric, 40o

-r0%,

plo.tic,

l00O

plortic,

0.O2

eleclrolylic, 25

_looh,

ele<trolytic,

-r0%,

l0OO pf.

plo.ti<.,

plosti(,

O-O2

d.nore.

Guoronreed Minimun Volu..

pf,

GMv

pf,

GMv

A.U7

0.1 .r!f,

pt,

+60,

tsov

0.4-2.5

0.4-2.5
r50Y

O.O17

pf,

cMY

pf.

0.1

p|,

+60

15Oy

t50v

Gl,tv

0.U7

O.l

ipf,

y|,

+60

+100

-10%.

pt,

!1Ol",2OOY

-4O%,
pl,

25

pI,
pf,

pf"

:!

pt,

,!lO%,

-40%,

pf.

pf,

800

!

pl,

!

lOY.,2OOY

-4OY.,

ond 500V unles3

pi.6forods.

tlolo,

l50V

+lOO

350V

35OV

+l5o

lO%, 200V

200V

150V

+l0O

+lOO

10.L,

2O0Y

15OY

t..omm€nded Vandor

Cod. Iyp.

oth.nvi3e

ERC

80t

FP

Enc

83t

c296AB

c296A8

cRr.

DDM

A8D
A8D

TP

c296AB

ERC

831

c296AB

cRt

DDM

TP

Enc

83r

c296A8

c295AB

CRL

DDM

Synbol Port Numb.r

C1208 0322 l89O elect.olyric,25

cr30r

cr302
cr303

c I 30.t

c1305 0319 1050

ct307 0326 1520

0319 3890
0326

0319

0325 7840

cr308 0327 1890

c2003
c200,{ 0327 6910

C20O5 0326

C2007

c2008

c2oo9 0316 4930

C2010 0327 5890

c20ll 0316 4930
C2Ot2

C2013
C2014 0316 4930

C2Ol5

c20r6

C2017

only)

oily)

0326

(Hv

o.d HF

0327 6890

&

0326 4660

0316 9190

0327

0316

ond HF

{HV

0326

electroly'ic,

eleclrolyiic, lO

9550

0.Ol

1060

plo.lic.

0.02

l00O

elecrrolyri., 25

0.O2

1660

ele.lrolylit, 25

7660 .l.ctroly'ic,

elec,rolyti(,

0.01

electrolyl;c,

0.01

O.O2

|OOO

0.01

75OO pl$ti.,

,{930

0.0t

,1620

5000

OG..iption

_to./.,

15ov

.100

l50v

-10%,

r00Y

-r0%,

pr,

+60

0.047

2mv

pf,

*60

pf.

GMV

r50v

-ro%,

pr.

GMY

r00Y

-r0%,

-10%.

_2O"h,]2KY

_2O.h,12Ky

4o0v

1

50v

500

pf,

+too

500

pf,

+too

pf,

GMy

-,2O.L,3tn,y

pt,

pf,

+tOO

O.1S

pf.

+too

cMv

Ff,

p|,

pf,

pf,

-4OY.,

!1o'/.,

pt,

-10o/o,
pf.

pl,

pt,

pt,-150

-0%,

pf,

-o%,

-O%,

L10"/o,

pt,

--o%.

+1OO

*150

llOO

+lo0

+l0O

+l5O

+50

R.comm.nd.d V.ndor

Codo Typ.

150Y

ISOY

2ooov

2ooov

2OOOV

2ooov

SPG

cRr.

CRL
ERC

Etc

SPG "titll-tyl;."

CDE

RMC 2KV

CDE

Rlc

ERC

Rrrtc
RMC

RC

ERC 801

30D2084r

DDM

c296A8

DDM

83r

TCW

8,{I

2Kv

811
3KV

2Kv

c296AC

2KY

6-l

section

6o-ports

lists ond schemotic

Symbol Pad Nu6b.r

c20r8

a

c20!t

czo20 0327
c2071 0325 7a20

C2O22

c2023 0313 4580

1620

0326

69to

0326.1640 0.01

5000

0.0033

plortic,

0.02

200Y

O.i..lptlon

pl.

G

120%,500ov

/rf,

0.022

p,,

GMY

+ro0

r!f,

v

$1,

!10.h,

--o%

SEMICONDUCTORS

Clt0Ol lo

CRl003 2600 9220 diod., rili<6n, 1N4384

Cnloo,t 2600 6910

CX]0O6 2600

ctl rol &

CRllo2 2600 9220

Cnll0r 2600 6910

cRl20t &

Crl202 2600
Cll2oa

cRl30t &

CRl302 26@

CRI3O,a 2600

Cl200O

CR2O0! 2600 27ll

c[2@2 a

Cr20O3 2600 9220 dioda, sili.on, lN.l38.l

cR2o50 a cR205l

CR2O52 2600

2600 6910

26@ 9220

only)

2600 3031 re<tifier,

diod., tD8,{l

diod., ]N98OA

9240

dioaa,3ili.on, 1N4384

diod., FD8al

diod.,

9220

diod., rD8,lt

dtode, 3ili.o,',

9220

diod., 1N823

9230

doidc.

roctifi..,

3031 rc.rifi.r,

rilicon, lN438,a

1N438{

rili.on, 1N4384

n.rolli.

'nelollic

m.tolli(

tAriPS

Dsl,lol

El40r &

E11OZ

l2Ol 1280

l2O0

l3l0 incoid€r..nt.

incondc'r.nt,

FUSES

6.3V

boyoncr,

R..oflm.nd.d V.ndo?

Codr Typ.

Etc

cPc

A.tx

ERC

RMC Plug-in B

GEN

FCt

EIA

GEN

FCr

GEN

fct

G€N

EIA

GEN

ABD

GEN

ABO

ABD

GE

#47

GE

801

DAorsct

c296A8
8l I

Synrbol Port

J l0ol

only)

J l00l

{Bench

only) 0905 8440

Jlool O9O,l

.12001

{B3nch

6nly)

J8001

&

J90Ol 0905 7360

(Bench

P2001

Numb.l

ETECTRICAT

(Portoble

0905 9320 receptocle,

dnd

recepro.le, rou.d,

,a3El

ond

0905 7510 re.epiocle, 8NC, rr,

io.r,

r.c.ptocl.,

ond

tip, bt6ck

l.6nld.l

fehol.,

D..(dplion

32 contoci!

CONNECTONS

rolnd,

3 conrocts cE BRt,4

3 .ontocrs cE

p-p)

ltv

,emole,

g.ncrol

purpot.,

only) 0905 9150 .6yer, electli@|, BNC

tv

tERtES

(8en.h

P2002

only) 0904 42ll

P2002 Porioble

only) O9O4 4212

P2002lBench

only) 0904 43ll HV .onnector olsembly

P20O2

{Porroble

only)

0904 4312 Hv conne.lor osrenbly

HY

o.d

connecto. o!3enbly ABD

HY connedor o3renbly

HV AND

dnd

tV sERIEs

colt

12001

2l0l 84,11 Beom

iotolc A8D

L.oirn.nd.d V.ndol

Codr Typ.

ABo

UG 625 A/U

26 190

aPH

DAG

ABD

ABD

ABD

32

Hot
Fr02

fl t0 r r00

FI20
Fr30

Fl50

only) t too

HRI501 lo HRI506

only) 6900 251l

HYlO03 ro HYl0Og

765 & 767

only) 2110 1590

,,Yl30l

!

only) 2t r0 r560

6-2

r r0o

I r00 02,()

ttoD 0770

r r00

(Type5

5210
0760
0760

5280

onp.r...

3

o'r'p.r.

0.5

HEATER

HYBRID

,lo-blo

ELE'\AENTS

COIIS

rFl
tFt

Lfl

Lft

tft

tfr

FER

FER

r

3

3003

3r2.5@

3t2001

3 t 20!.5

3r 20ot

313002

ot00t &

Qlm2 2600 72AO

01003 2600 9170

Qlosl

Qt

Ql102

ol103 2600

Ql20r a

01202 2ffi 7280

Q1203 2600 9170

Ol30l

Qr303 2600 7280
OI30,( 2600 9170

42000 &

o2@r 26@

Q2002 2600 7280

02003 2600

tot

26co
2600

2600

2600 7200

&

2600
2600 7250

2600

2doo 7250
2600

ro

2500 7250

2600

2600 7250

2600 9t50

72sO

9150

7210

7280

9r7t

9t5o

9t50

9150

92@

9170

TRANSISTORS

DU

#68

olrerno!.,

DU

olr.rnoi.,

DU

olicrnot..

DU

olternol.,2Nl893

Du

ollernote,2N3,a42

DU

olternore,

DU
olternot!,2N3442

DU

oll€rnot€,2N1893

ou

ollernore,2N3442

2N3390

DU

oltcrnole. 2N 1893

Du

olternqre,2N3442

#5rA

#5

#68

#5rA

#68

#5rA

#68

#5lA

#68
#sr

2N1893

2N34,12

2N697

2N I S93

A

FCr

stt

FCr

FCt

stt

FCr

stt

tct

stL

GE

FCt

FCt

ports

lists

ond

schemqtics

section

-

60

Symbol

Not.! All re3i3lo.s

Rlool

Rl002
Rloo3

Rto04

R1005

t1006

R1007

Rt008
Rr009

nror I

Rl0l2
Rlol3 0237 9170

Rl0t4
fio5t

nr052

R1053 0235 58rO
R1054

Rlo55 & RlO55

766H ond

{Iypei

7664H

Ser;ej

o.ly) ot07

Rt l0l

Rl102

Rl to3

lo4

Rt

Rr ro5

nl106

Rl r0z

Rl r08

Rl109

Rllll
Rl

2 0109 1760

Rt t l3

Rr2or

Rf202

R1203

n1204

R1205

Rr206

n1207

R1208 0231

Rt209

R l2l

I 0233

Rt 2l2

Rl2l3

Rt 2l4

Rr30t

R1302 0237 A190
R1303 0109 1760

Rt 304

xr305

R I 306

&

R1307 0234 8040

Rr

308 0237

Rr309

Rl3t I 0237

Rl3l2

Rl3t 3

nl31.1 0234 8040

nl3 f6

Rr 3l7 0234

3t8 0222 4550

\ {Izl0l &

R]402
Rr403 0107 2313

3pccified,

0234 9120
0234 8490

0231 8010
0234 8l
0237 9530
023,t

80t0

0234 8690

0231 8040
0237 0160
0237 9470

0to9 t760

1180

0203

0234

8490

0236 7380
0236 5550

7631

0234 8530
0234 8590
0234 8040
0231

8t

0237

9170

0231 Eolo

0234

8690

0234 8040

0234 1340

0237 91lO

0237

9l

0231 8490

0231 9290
0234 8510

023,t 8040

0237

9170

0234 8l t0
0234

7990
8690

0234 8040

5400

0237 9110

1750

0109

0237

9110

0234 8530

0237

9110

0234 82IO

9r0

0234 8040

9110

0237

9630

0234 8t l0
0234 7990

8590

0234 80t0

D.s(ription

RE5ISTORs

ore lired, rilm,

K

lhootond,

=

36K, lW

t5K

2N

to

390

!

17.aK,
200

t@K

tlo, lw

2N

30, 2W

tl%.

l2.tK,

voriohl.,

12,1K.

(omPosilion,82OK

l5K

59K,

t5(,

750,

Yorioble,

22K

39K

200
390

t0

r

200

t 00K

2N

5, 3w

5.1tK,:lt%,

voridble,

5,r r K,

t0

l5K

t0K, tw

r8(

2@

12.1K,
390
120

r

2@

wire eound,

5.1I K.

vorioble.

5.r I K,

22K

s52,

Yqriobl.,

5.1|

]K

2@

5. K.

200

5.t lK,

17.0K,

390

200

120

t00K

wire wound.

150

vorioble, wire wound,

t

:l:20%

2.lK,

1r0%

00K

aro%

i

t0%

x,

tr0%

wire wound,

r0%

).1%,

1l

%

ir%

i1.//

compolilion,

tr%.

wir. wound.

tr%,

tl%,

tl%,

wir€ eo'ind.

il%,

!1,L,

wir. wound.

il%,

t

r

t

I

!1%,

l,{

=

tw

(+200v

tW

(Po3ition,

rw

tw

{+100v

tw

lw

5, 7w

lw

{+50v

lw

1w

(-5oy

lw

o/.,

lw

tw

%,

1K

5, 5W

(scAtE

!5%,

nillio..

ADJ)

ADJ)

AD'

ADJ)

.tuM)

ond

l(,

30K,

tK,

lK,

lK.

50,

R€comm.nd€d

Cod. Typ.

thw

onless

ccw c32
ccw

c20

ccw

c20

ccw

c20

ccw

c5

ccw

c20

ccw

c20

ccw c20

ccw

c42S

ccw

c5

CGW

C6

At8 EB

ccw

c20

ccw Ns20

Ns20

ccw
ccw Ns20

a80

ccw c20

c20

ccw
ccw c20

c20

ccw

c6

ccw

c20

ccw

c20

ccw

c20

ccw

3x

wot

c6

ccw

AW

CTS

c5

ccw

C20

CGW

c32

ccw

c20

ccw

€20

ccw

c6

co\M

c20

ccw

c20

ccw

c20

ccw

C20

CGw

RSz

DAt

c6

ccw

AW

CTS

c6

ccw

c20

ccw

c6

ccv/

ccw c6

c20

ccw
ccw c20

ccw c6
ccw c20

cG\{ c6

c6

ccw
ccw c20
ccw c20
ccw c20

c20

cow

sx

wol

ccw

c20

A8D

V.ndol

orherwii.

Synbol Pdrr
n2000

R200r

R2002
R2003

R20o{

e2005 0203 1860
n2005

R2007
R2008

R20O9 F/R

R20r0

R20I

R2ol2

R2013
R2014

R20t5

[2016

R2017

t20t8

n2019

R2020
R2021
R2022

R2023

only)

R2024

R202s

.

R2026

R2027

R202a

n2029

e203l

12032

R2O34

only)

R2035

oily)

R2036 0203 3610

sror 0503 2480

Sl02

Rl4O3)

st03 2800 3050

only) O5O3 2.100

s2l0

Tr00t

T200t

TPtoot

TPt

TPt2ol 0905 8450

TPt3or

(por,

r0l

0203 2070
0234 8530
0234
023,{ 8540
023,t

0234
0203 2700
0231 A520

0109

0234

0203 60

&

0203 7210
0108 0250

0203 t040

0t09 2300

0203

0231 8690

0203 2150

0203 1380

0203
0107 2731

(Be.ch

0203 2130
0234 8300

0237 5970

0203

&

0231 8690

0234 8490

0234 8580

0231 A520

(HV

ond HF

0236 3l7O

(Hv

ond HF

0203 2130

of

0107 2313

0503 2460

2001
2001 1821

0905 8450
0905 8450

0905 8450

o.d

Nvmb!? D.s.riprion

conposilion,

72K

17K

8610

21K

8580

36K

comp6ition.

4.3K

8360

compoiition,

2OK

rfl0

voricble,

IOOK,

CONR/HV ADJ)

5tK

8620

.omposition,680K
compo3ition, l.5l{, 2W

vorioble.

t20%

.ompoiilion,220(

voricble,

0850

2170

6120

L2Ot

.onpoiition,36K

100(

conporilion, 1.5|1.

compo3ition,

.ompo3itiotr, 2.2t,

vo.iobl.,

lBEAlv{

<ohpo.ition, :M,

2,4K

<ompolition,5.l

co,nposilion, 33, 2W

l00K

I5K

36K

20K

compo'ilion,430X

.ompo3ilion, 1M.

compo3ition,3.6K, l\ry

330K,

5.6K,

3r,^.

.ohp03iiion,

A2O%

(PAITERN

.omp6lition,

(FOCUS)

Gonpo3ition,

(TNTENSITYI

lW

,

5.6fi

2Ol(/2OKl50OK

ROTATE)

swtTcHES

3lid€, DPDT

(POWER)

thermoitollc

CUTOUT)

therhoiloti.

slide, 3PDT

TRANSFORMENS

4851

high'voltoge

l5v/230V)

{l

(THERMAL

(NORrnAt/SINGLE)

TEST POINTS

io.k,

iock.

io.k,

io<k,

rip, red
tip, red

riP, red

rip. red

(+200v)

(+100Y)

(+50v)

{-50V}

:!lo%

!10%

]:lo%

500X/

2.5M,

50OK,

l0%

=

tl),l"

t

l0%

t

1O%

r..omm!nd.d

Cod.

Typ.

AtB

EB

CGW

c20

ccw

c20

€GW

c20

CGW

c20

AtB

EB

ccw

c20

ALB

EB

ccw

c20

2-.15

crs

ccw c2o

AL8 EB

crs

37

AtB

EB

cr.s

53C

ATB

EB

ccw

c20

ALB

EB

AI.C

EB

ALB

E8

ABD

AL8

EB

CGw

C2O

At8

EB

AtB

HB

ccw

c20

ccw

c2o

CGw

C20

ccw c20

ccw

c20

AL8

EB

AtB

MUT 4633

KXM MCt0-5

ELM 2200-!

COW

A8D

ABD

EtJ Sericr 105

EF.l

Series t05

EfJ Series 105

EFJ

Series

V.ndor

r05

6-3

section

6o-ports

lists ond schemstics

Syrnbol

Y2o1

Y

Dependi.g

W2051

Porr Numb.r

O...riptlon

CATHODE-RAY TUBES

Low-Voltoge Series

0553'r

0556'h

F2650-o.pt

F7650-O-P2IG

r7550-o-p2lB

F7650-o.P3r

2501 0551'r

2501 0552*
2501

25ot 0554'r' f7650-o,Pz
25ot 0555* F7550-o,Pt r

2501

High-Voltoge

0562*

0553+

0565*

rz66o-o.Pt

F766O-O.P2/G

f766O,O-P2l8
F7660-O-P11

25or o56t*

250t

2501

25ol os64* F766o-o-?t
2s0r
25ot 0566j t766o-o-P3t

High-Frequency 5eries

25ot 068l* F7670-o-Pr

25oI 0682*

2501 0693* t767o-o-pz/a

25Ol

25ot 0685* F75zo"o-Pr r

25ot

.

5028
5028 6900 6"

5028 6930

5028 6160 8"

F767o.o.?2/G

\767O-O.P7

0681*

Fz6z0-o-P3l

0696*

on soler order

3oo-ohm

9061

7'

CABTE & WIRES

cobl. lcrminotion

3rronded wnc

#2,a

5trdnd.d wire

#24

skcnded wi..

#24

CTAMP ASSEIVIBTY

37Ol

32,11 clohp

6O09 6180 screw, MSBH.

6200 3670
6210 0030

wo3h.r,

wo!h.r,

floi,

lo.k,

{MET)

(MET)
(MET)
(MEr)
(r,,rEr)
(MET)

Series

(MET)

IMEI)
(t\ET)

(

Er)
(MET)
(MET)

IMET)
$Er)

Er)

lt

(MEr)
IMETI

0nETl

6-32 x l/2

#6

#6

l.Godm.nd.d

Cod. typ. Sy

AgD
A8D

ABo

ABD

aBD

ABo

A8D

A8D

ABO

aBo

A8D

a8o

ABD

AB0

ABD
ABO
ABD
ABD

tbh(u

lor.ngcl
lblucl

V.ndot

bol Pod

Wloot

Symbol Porr

c2051 a

C2O52

C2053 O3lt 1253

c205,(

C2056

C2O57

Ct205l lo

c?20s6 2ffi

1205t

12052

12053

A

1205,a

02050 &

Q205t 2600 8.fi0

Nof.. All

R2o5l

R2052

&

t2053 0234 8310 3.5K

R20s,r

R2055 0235 6210
R2056 0237 57c,J 38.3K,

R2057 to

12059

R206r

R2062 &

12063

?2051

R2065 0109 3580 v.ri.blo,.onporiti6n,
R2066

Numb.r

5030 l39O o.rcmbly

IYPE 7062

CRT TERiAINAIION

(High-Frequency

Numbor

0319 7450 Capocilo., fired,

&

0319 2,(20 Copociror,

0319 1050 Ccpocitor, tixed,

&

2l0l 9,141
2l0l 945t

26@

ip.citi.d, K

o23z 5600 20.5K.

0237 5680 20,5X,

0237 6120 3@,2W

0237

0234 79oO 5r

0231 86t0

0235 6210

Copo.ilor, vorioble,

l50v

Diod., 1N3062

8670

icrminotion,

Coil,
Coil, indu.lonc., I twn
Trontiltor, DU

olt.rnot. lron3irtor, 2N30t3

8390

RESISIORS

r.siitorc ore fixed, til

lhou3.nd,

=

Lt%,

!1"h,

.onpo';lion,

!1.A,

6120 3@,2w

47K

(ompo.ilior,

D.*rlpllon

CABTE

Series

..romic, 15

lir.d,

.ompotition,

(.romic,

9 twnr.

28A

#

!5.h.

,

M

=

tlow

1/eW

tl0%.

lr,

tt'\t

alO%,

lM,

D.3.rlprion

0,65-3.2

,

or,d

million.

Iox, o.lw

R.<omi.nd.d

Cod. Typ.

Mtt

NETWORK

Only)

1l%,50OV

pf,

pf,

350V

pf.

1.5

O,O2 pt,

*irc

#27

r/it.

#27

thw

unl.3s olh.rwiio

t/4W

(PEAX

I/4w

t5%,

+60

V.ndor

5O0V

-1O%,

ADJI

6-4

SECTION

68

SPARE

sPARE

extremely

components

engineers

used in this instrument, Continued perlormance tesB,

environmental and life testing of production units

make

satisfactory service,

are precision-engineered

you

lists

symbol

Nlanual

their

Procure

stores,

Field

ganization
components
expedite
Serial

part

is

PARTS REOUIREiAENTS

o.

Generql

The Type

Transistorized Oscilloscope

766H

reliable and dependable instrument. Only

thoroughly tested and approved by the

of the

Quality

Assurance

Department are

certain your instrument will give many years

These new Fairchild instruments

and require no selected

Two

lists of

in periodic maintenance.

include recommended quantities

numbers.

gives a complete listing of all components and

recommended vendors

them {rom

Note:

Engineering representative and

"running

spares"

are included to aid

The running-spare

and reference

Section 6A ol this Instruction

that you may readily

so

a local supply

house

or your own

The local Fairchild Scientiftc Insfument

his

can assist you

in obtaining any additional

in the shortest possible time. To help

I

I

I
I

I

Number

specify

service, always give the Type

Number of the instrument; always

number and give a description of the component

(see Section

6,4 of this

b. 500-Hour Spores

The recommended list lor

given

below.

manual) .

(6

monthsl

FUSES

SyInbol

H0l

.....,.....,.....,,.

Fl02 ....................

Fll0

.................-.

Fl20 ....................

("r{"

Fl50

,{odelr

one through three units

Quonllty

onlyl ...... ...

is

parts.

parrs

service or-

and

the

PARTS

an

of

c. 2Od)-Hour Spores

The recommended

given below. Maintain

each

oscilloscope

spare

list given in paragraph (b) plus the quantities

listed

as lollows:

Symbol

cr00r ..................

cr003 ..................

croo{ ..................

cr005 ....,.............

c1007 ..................

cr008 ..................

cr009 ..................

cr03r ..................

cr0t ..................

sr20r

Symbol

,r00r

t00l

J

J 1005

J200t

J800r

P2001

P2002

?2002

LIST

DIODES

cRr00l

cRr004
cRr006
cRr3o4

cr200t

cR2052

DS l,{0t

E'I40I

lrN{384)

(F08,fi)

(lN980a)

{rN823'

,tEr)

(

(r,rET)

list for

in

use;

CAPACITORS

Qudntily

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

EIECTRICAI. CONNECTORS

(Portdbl.

tBench

{Bench

(Bench
(Bench
(Porioble

Models

ond Rock

ond Rock ,{odelt

ond Ro.k I'todeli only)

Model 06ly) .................. ...

ond Ro(k Mod.l3

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

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

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

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

tArvlPS

(2

yeqrsl

one

spares

indicated

each set

2 oI

only) ........................

Models

through

Symbol

cr302 ..................

c1303

c2003 ..................

c200,r ..................

LZUU5 .....,.......,....

c2008 ..................

c20lo ..................

c20t3 ..................

c2015
c2020

c2022 ....._._..._.._...

onlr) ..........

only) ..........

1

I
I
I
I
I

I
I

plus one for

of

.............-.-

......._..........

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

..........

.......

only) ... ...

ten units

the 500-hour

Osonti?y

Quo,rrlry

is

CATHODE.RAY TUBES

for Typ. 766 tV

For Typo
For Iype

S.ri6

766 HY

Series

766 HF Series

TRANSISTORS

Synbol

(DU

ot 00I
or003

I05I

Q

o20d)

o2002

#68)

tDU

#sra)

IDU

#5)

l2N33m)

{DU

#

t7650-O-P7 / a

t7660-O-?2

t7670-O-P2

Quonlity

.............. 3

.......... 2

................ r

................ r

rq .............. I

/ C
/ G

HEATER EI.EMENIS

l"rrl"

S.ries Onlyl

Symbol

HRI50l

................ 2

HYBRID

(Typei

765 & 767 serie5

HYr003

HYt30l

COILS

................ 2

................ 2

Quonlity

Only)

6-5

OF RECOMMENDED

LIST

VENDORS

cooE

A8D Du /vtonr Loborolori.3

AEn
AHI{
ALB All.n-Srodl.yColnpony
AtC
AICO
ALD
AllA Anolon
A.tP
AriAt
Ar,lI
APC
APH
AIC Ar.o
AST
AUT Automolic
BEI
INS 8ou.nr
BUR Burndy Engrg. Conpony
8US Eui3monn
CAN Connoa
CiS CBS-Hytron
CDE Corn.ll-Dubili.rEl.clri(Corpo.olion
CCW Co.ning
CH Cvll.'-Homm.r,
CHC Ch..l.. Cobl. Corpotolion
CHr CholhcmEl..l.onic.
CIN Cinch
CLs Clo.orbr Mtg. Co.,
COC
COM
COW
CPC
CRL
CSt
CTC

CTS

DAG

DAt
DtC
DtK
EBY
EDL
EIA
ELC
EtD

EMC

EMW Elnwood S..3or!,

EtC Eri.

ESX

FAS' John

FCI
fER F.r.oxcub. Corporolion
cDE Good-AIl
GE
GEN Gane'ol
cEP
Gl.8
GRC
GXY
cUD
HAM

AarovorCo.porolio.

Arrow-Hcrt & H.sGnon

Alli.d Cont.ol

Al.o El.(rronit

Producls ComFony

Ald.n

El..lro,lic

Ahp ln..
AmP.rit! CorPonY,

Aopct.r

Am.ri.on Phcnoli( Co'pordlion

Anph.nolEl.<tronic.CorPorotion

Attron Corporolion

8.lfG.

Elcctroni.3 Productt,

El.ckoni.t lnc.

l ct.l Produd3 Corporotion

In<.

rnlg. Conpony

El.clric Cohpony

Divirion of

Glotr Wortr

EI..Li. Compony

Prodocrt

Hordworc

ln..

(Elm!n.o)

CIS

ln..

r orufoduring Compony

Inc.

Contiacntol

Como.

Coniin.nlol-WirlEl..lronicrCorporolior

C.

C.nrr.lob,

Chicogo Stcodo.d

Combridg.Th.rnioni.Corporotion

Chicoso

DoE. El.clric Compony,

Dol.
DidlighlCorporolion
D?ot. ,ifg. Compony

Hugh H. Eby. lnc.

Edol lndu3tric3

Any nonuloctur.r m..ling

Elc.rro Monufocluring Compony

Eld.na Corporotion
El.clro Motiv. r,1lg. Compony

Eis.r El.cironi€3

foirchild Com.ro

G.n.rol El.crri. Cohpony

G.n.rol Produ(b Corporotion
Glob.

Generol

Groyhill, lnc.

Th. Gudc'no. Compony
Th. Sohnorlund l,tdnltodurinE Co., lnc.

Corbon

El.d.ic

?. Clor. & CoDpony

Divitlon ol Glob.-Union,

Tro.tformlr CorPo.Elion

Tclcphon.

Prsducl!, lnc.

Xe3irtor

E. Fort

Elcctric Mfg. Compony

ln3lru ent

lndl,llri.t

Rodio Co'npony

Supply

ln..

Corporotion

Conpony

ond lnltru'n.nl Corporotion

Corpordtion

Co.porolion

lnc.

EIA rlondordt

of Am.rico

lnc.

lnc

co0E NAIAE

HON
HOP Hopkinr Ergi6..ring Conpony
HP H.wl.lt-Po<ko.d Compody
IEC lnlernotionolEl..lronicrCorporotio.
IRC lnt.rnolionolR.!i.ron(.Compory
lI? lnt.rnoliotroll.clifi.rCorporolion

ITT

JEF J.ffcrr
JHN E. F.
,m

XUI

KXi.t

tED Led.r lnc.

tEE L.c..ofl Mfg. Compony

tFl

tlN

MAt P. t. }lollor, & Compony.

r

CR ,,ticro Swirch

Mtc

IAOT

MUC

NYT

OAK

PHC
PHI

?LS

POT

Ptc

PYR

tca

tMc

TOY

ITN
stG

slL

stf

sot

SPG

src

srw

5UM

sYt

SYN
TEC

TEX

THC

IOR

TRS

rnu

TUG

ucN

UTC

Ytc

wDt

WDL

wE5

Honeyw.ll

ITT Compon.nl.

tlcclroni<3, lhc.

Johnion

w. fiill.r Co'npony

.,.

Kulkd El.<l.ic

(liron

ll.tol. ond Control

Liltl.futc,

tin. El..tri.

Icsuloror Co.)

,{icomold Elc.rroni.i

Elc.rri(

^lillcr

Motorolo S.nicondu<to.

M.O VolYe Compahy

Mucon

Corpo16lion

Th.

Mur.r Conpony

N.w York TrontrormGr

Ook Mrg. Compony

Philco Corporotion
Philip3 E..tro6ic

Plortoid Co.porolion

Pottlr & BruBfi.ld, lrr.

Pr..iiion X.rirlor Co.,

Pyromid El..tri. Co,npony

iodio Corpororion

r{ot.riol! Corporolion

Rodio

Xoyol El..lric Corporoiion,

l'tfr.

Rotroi

Signolil.

Silicon Tronsirtor Co'porolion

S.olo.tro Corporolior

Solilron D.Yic.., lnc.

sprog0. El.clri. Corpony

Slockpol. Corbon Compory
Slondord

Surnit

y.t

Slon
Sylvo.io

Synlrooic lnsiruh.ntt,
Tronsitlor

Teror l6'tr', cnl3,

Therlhol Control,

Torringlon

Iru-Ohm

TunE-Sol El..lric

Ucitrit! Conpony

Uniled Tronlformer Codpony

Thc Viclor..n
Wood Elcctri. Corporotion
Word L.onord Ele.lric Conpony

Weslon Eledri.ol

W.lwyn lnl.rnolionol

Oivision

Cohpqny

lnc.

Co.

^{f9.

ln..

(Divi3ion

Compo[y

Li6n.opoli.-Honcyw.ll

ot

r,lfg. Corporolio'l

Produ.lt, ln<.

Lrd.

Co'npo.y, ln..

Tub. DiYisior

ln..

of Am.ri.o

Cornpony

In..

Winding Compony

Coil Co,npon,

Winding

El!.lrir Producir,

Compony

Elecironi(3 Corporotion

lnc.

lnc.

ln<.

r lg., Conpdny

Produ.t3

ln<.

l.rl'umcnl

lnslr!m.nl

ln(.

Corporolion

lic.

1ll..

ln(.

Compory

Co.porclior

INSIRUMENI WARRANTY AND

SERVICE NOIICE

WARRANTY

The

each new

Test
Test

to as

free from defects in material

normal use and
from the date o{ its sale

use. If, upon

ment is detei:dned to be dELt

or material, F

Instrumentation Division warrants that

Cathode-ray

Equipment, and

Oscilloscope,

Electronic or Electrical

other

or Measudng Equipment

"Instrument")

manufactured or sold

or workmanship under

service for a

to the first

examination

by F

Automotiye

(hereinafter

period

of one

referred

by it, i8

year

CHANGES IN

The

right

specifications

nish

merchandise in

fications

equipment
ment

without

SPECIFICAIIONS

is reserved

to change

of equipment at any time

accordance

nirt-g the nature

manner itl wtich the

5-occurred.

NUI{BER-? the

the

and

published

fur.

1o

gftle-

!!E-

provided

all other

no

one is

behal{

it in

other than

REGISTERING

To

registration

ruailed

diately
inlormation

BER
STRUMENT
Instruments

receipt,

be honored

taken.

autfiorized

of Fairchild

connection

as stated

register

to the Instruneut

upon

is necessary.

AND THE

since

by the

registration

below.

This warranty is in

warranties,

expressed or implieil,

to assume

or impose

with

the sale

above.

THE WARRANTY

this warranty,

card

must be properly

Service

receipt of

SERIAL

MUST

must

claims Jor damage

the

BOTH THE

NUMBER

BE

GIYEN

be

examined immediately

carrier

unless prompt

airchild's

thereof

any obligation upon

of

the

equipment.

option, be.

promptly

is

any

liability on

any Instrument,

enclosed

Department

ON THIS

in transit

warranty

filled

out and

Complete

TYPE

OF THE IN.

CARD.

will not

action

imme-

NfuM-

lieu

and

upon

Clifton,

Instrument Service Departuent

send

to the customer

the written

position and shipping instructions.

should be packed and

procedure;

this

attached

REPTACEIAENT PARTS

nent
and Serial number
ing

to each

If it

is necessary

from tfie Iactory, always give

parts

in-warranty

for

shipped in accordance

and identification

tube or

irrstrument.

to order a replacement compo-

of the Instrument. Belore

replacement or

them for out-of.warranty replacement, be

consult
The Parts List

and Fairchild part number {or all electrical com-

ponents
expedite service.

PATENT NOTICE

Manufactured

owned

strumeut Coiporation.

is

ton, New

upon request.

Parts List

the

gives

used in the Inetrument. This will help to

or

controlled by Fairchild Camera

in the

the values, tolerances, ratings,

under one or

50 Somerset Place,

Jersey,

U.S.A. Patent

New Jerrey

will then

procedure for

All equipment

tags

Type number

the

purchasing

Instruction

more U. S. Patents

Numbers supplied

dis.

with

should be

order.

sure to

Manual.

and In.

CliI-

6-8

;'f

-ti

*,1

tl

'l

['

i

f!tl

l:i r- l

liiiil

LIiJ

.,

a

t

i!i

i,i

! i!t

ll

il

-=]

i

si

i! !

ii :
!3 !;

i: i i!

iiiiii

i;li

1i

i!iiir

.l I oe!:

I

i

;;-l

,r.

itil-

-..'

i I l

l I

,l

L t^ t

t"-t

r"*

tl Ll

f+"ij-ri-;;;a]

E@

I

@l

t|ll

L__,_l

-,".t:'"i

I <-*

J

"t

,

nl

I

l

1.-..

f:50iaauL}Ml

F.^^

't-

J"'

.1*'-

t---=;;;--_-T

| '*'b_ I

ADDENDUM

roR

EI,ECTRICAI,,

Change

PARTS LIST

.

Elmbol

CR200 3

Delete R2024

SCHEMArIC

Change Sheet

REVI9TON

TYPE 766H

(Reference

The

followlng

to Lmprove

voltage

2

osci l1oscope.

fron
to

schematLc as

of

SERIES

Manual

changee

OSCILLOSCOPA

1t6704

were

the efficlency

2600

2600

0234

N umber

9220

8020

8300

ehown

P art

5893)

made

of the

ln order

htgh-

Des

crlptlon

Dlode, sLllcon, 1N4384
Dloder FDc3091

Reslstor, fLxed, fllm,

2400

ln sketch

ohms,

below.

+51

,

L/2W

(-

qzoo3

AFTER

R2023

qzo

o2

R 2006

R 2003

c

N4384

I

)

R20lo

cR2003

309I

FDG

R2025

T200r

I

tl

lr

*6704 706L

F^F\.IREHIT-E

Sheet l

ECN

of I

#32,24I

INSTRUMENTA.TIcfN

orvlSto,r

^

ot fltFcHtto

cAMtRa ltao

tNSIiUrEiT

COipOlATtOn

OSCILLOSCOPE

1R.f..urr."

Manual

Supplenent

TYPES

Part

ADDENDUM

FOR

SPECIFIED

Pa.rt

Number

No.

6704

6704

INTRODUCTION

IN

5893

4633)

and

A.

INTRODUCTION

This

Type

Type
Type

addendum

757

765,

756,

Type 767,

B.

PURPOSE

The followlng
modulatlon.

c.

EI,ECTRICAL

Change,

their

part

Symbol

lczoza rczoz4rl

Addl---lnzoot

I

l_1zore

765M,
765M,

767M,

add

PertaLns

765H,

7

7

changes

PARTS

delete

or

nunlrer

R2024

s

66H,

67tt

I.,IST

and

the

to

765H/8,
766H/8,

767fi/F,

,

were

REVISIONS

speclfled,

aE

cri

des

Part

0316
1200

0235

foLlowing

7

65M/H,

766M/H,

767M/H,

made

to

ptions

Number

9190
3960

s400

type

7 65t{[t/E

766MH/E

767NH/F

elimlnate

following

the

caP.

3KV

Lamp

Res.

L/4

Flxed

Glow

Flxed

!{,

oscllloscoPest'

400

cycle

compoients,

bearn

Descrlptlon

Ceramic,

NE2

ComPositLon,

5t

0.00L
2 meg,

uf,

Delete

r

IMPORTANT

R20I8

REFERENCE

DESIGNATION

iriiiiioiCopr.

INSTRUMENTATION

{

t)rvrsrLrrl

oN

ot

0234

C2026

orHER

lalRcrllto

8690

PERTAINS

uNrrs

cAMt(A

usE

rNSrlOMtNl

ANU

Fixed

.

Res

ONLY

DEsrcNArroN

TO

CollPoRAlrox

Fllm,

EHE

c2024'

L00K,

TYPE

6704

Sheet

ECN 32,341A

1/2w,

757

762L

l of

5t

2

INTRODTJCTION

A.

OSCILLOSCOPE

(Reference

Supptement

ADDENDUM

TYPES

Manual

Part

FOR

SPECIFIED

IN

Part No. 6704

No. 6704

INTRODUCITON

5893

4633)

andl

*

Thls

,addendum

Type
Tvoes 765,765M,765H,

tiies
r|!ee

PURPOSE

B.

The followlng

i'i;"-;;;;

fast

scHE!.{Arxc

d.

on

+sov reference

to

+.lov

aLngle

Schematlc

connector

t

Pertains

7 57*

766,
76?,

?66t!rt

767t4,767H,

change

;rir:1;

sweeP

REvrsroNs

"cRT

from

irSOOI,

Serorr

to

766H.

was mada

ttre

in

mode.

Clrcult

swltch

20.

Pln

followlng

the

?65HF,
766Hr.,

767H8,

to

standard

Hv

and

S210

and tie

765MH,

7661,tH,

767vrlt,

enable

frame

Supplyn

type

165$H/P

766MH,/r
7671,E/F

of

use

when

Sheet

contaot

the

PF

oscllloscopes'

tyP€.?{-14

the

deleta

on

ln

s210

oPeratlns

of 2

2

7€,f

the

nTSre*i4o4--

rl

laool

PEoot

FAIRGHIl-EI

ENT,ATI

IN

STRU

e orvrstoi

fAlRcxlto

of

M

cAxEnA

lnsriuxlllT

ato

coiPoir

N

Ilol{

o ,L1- +

6704 7701

sheet I of

ECN 32,

358

{oV

I

Pr6aI

1

INTRODUCTION

A.

OSCIIJLOSCOPE

(Reference

supplenent

ADDENDUM

FOR

TYPES SPECIFIED

Manual

Part

Part

No.

No. 670t1

INTRODUCTION

IN

6704

5893

4633r)

andl

Thl,s

addendum

Type 757'

riies
Tlies

rlrles

PURPOSE

B.

Th6 follovrlng

suppty

nf

c.

PARSS

fn

I,IST

Sectlon

Srnnbol

C2OO5

C2OL2

D. SCHEMAIIC

on schematls

Pertalns

765,

765vr,

766, 766t.
?57,

767M,

change

wds made

ocEuring-at

REVISIONS

6A

change

c2005

Part Nunber

0326

0326 7840

7880

NEVISIONS

'cRT

CIRCUIT

the

to

765H,
766H.
767H,

-30'c

765Hr, 7651trt,

766HF,
767H8,

(r22'F).

c2012 to

s

DescrlPtion

Plastl'c

PlastLcr

s

Hv

following

769MH,
76?NIII. 767NH/8.

to retrove

th6

0.22

r

0.047 uf,tlot,

stPPLyr,

rtf

Type

OscllloEcoPes.:

765tqfl/E'

766vtH/P'

osclllatlon

followlng.

tl0t, 2O0V

,

200V

sheet

2 of

frotn the

Code

A!'11(

AllX

2 change

Type
c296A8

c296A8

t

C2005

c20L2 from

from I

FAIFiAGHII-EI

INSTRUMENTATIO

A OrVrSrOn

uf

0.02

Ot

to 0.22

uf

uf, to 0.047

allicxrLo cAlEfiA

uf

lNsrSuollll

Allo

conPoSl

N

Irot{

16704

ECN 32,{21

Sheet

80?1

1 of

OSCILIOSCOPE

(Reference

A. INTRODUCTION

TYPES

Manual

Supplement

ADDENDUM

FOR

SPECIFIED

Part

Part

No. 6704

No.

INTRODUCTION

IN

6704

5893

4633r)

and

Thla

B.

PURPOSE

The follot

c.

PARTS

CEANGET

svfibol
R2005

fOr

SCHEMATIC

D.

addendr.un

fype

riires Ze

PertaLna

757r

S,

r-viee 266,

ri'iea

LIST

267, 767M,

change

lng

REVISIONS

Part

0234

0234

Number

8360

8310

REVISIONS

?65!t,

7661'r,

the

to

765H,

766H,

767H,

waa mada

DescrLptlon

Flxed

Ftxecl

?65Hr',

766ttP,
757Hv,

flln

flln

followlng

76!MH,

766YIH'

767vfti,

to lmprove

{.3x

2.7x

type

791v1,,/t

766N11/P

767YIH/t'

supply

Rf

Code

cGll

cGI{

oecllloacopea

regulatLon.

!r4

c20

c20

t

On Schematlc

R2006 from

{CttT

4.3r

CIRCUIT

2.7K.

to

HV SUPPLy',

t

Sheet

FAlFIGHll-E'

Y%%%m

INSTRUMENTATIO

A Orvrstoll ot

tAlncHrLo clrtiA

MI

clrtiA

lNsllutltxr cotPolA

AN0

of 2,

2

N

ttot{

change

r

16704

PCN

s181

32,454

Sheet I of

I

ITTRODUCIIOIT

A.

ahie

oscllloecoPe

TYP€E

(Referente uanual

SupPlement

addendurn

Pertalna

ADDENDUIt.

roR

SPeclfled

Part

to

No.

the

Part

Introductlon

ln

No.

670{

570{

4633r)

followlng

5893

and

oecllloscopo

tyPe'

t

PURPOSE

B.

Thc

tolerance.

TEXT

c.

Type

fYpee

TyPes

Typaa

tollowlng

Sectlon

In

each

757'

765,

766r

76?1

REVISIONS

5,

regulated

SuppIv

-50v

+50v
+100v
+200v

765ltt,

766Mr

767M,

change

765II,

766H;

767H,

wae

paragraph

auPPlY

aa

from

$0

+20

+20 nv

+30 mv

765Hr,

766HF,

767trF

made

5-8,

followe

nv
nv

76sMH,

766MIl,

,

correct

to

change

t

To

iI00

+100

+150 nv
+250

767ytr

'

voltage

nv

mv

nv

765vlH/E

?66tt[J./t

767lCtl/l

voltagG

tol€ranc'

.

adJuetnant

for

FAlFIGHll-EI

INSTRUMENT,ATIO

l orvrsrolt of,Arncxrto

c^ alA

lllo lxslnur.trli

colFolA

N

trolr

6704

Sh€et

ECN

32

8201

l ol

,,055

TI{STRUCTION

FOR

SHEET

TYPE

A.

Introduction

B. Peaking
C. Type 7062

7062 CP.T

,IYPE

AdJustments

InstaLlatlon

D. Ground Sprlng

TER!,II}IATION

7062 OUTLTIIE

Installation

NETi\IORK

E. Parts List

I l Ius

Els.

fnstallation Instructlons

l.

trations

Title

2. fnstallation fnstructions

Type

3.

4. Test Setup

Front

5.

7062 Termlnation

Peakj.ng

for

Viev, of CRT Termination

Showing Replaceable

Network

AdJustment

Parts

6. Rear View of CRT Termination

7,

8.

Showing Replaceable

Type

Ground

7062 Schematic

Sprlng

fnstallatlon

Parts

Dwg

Board

Board

A. INSTALL,ATION INSTRUCTIONS

The

Fairchl).d Type 7062

update

accommodate the Type

This

Main

767H/F, anit

date and
then

is

mandalory.

operation

caEes,

ment.

See lrigures

for

the Type

network is

firame Oscilloscopes

766H

"standard

767MII,/F). If the Type

the Type

7651I

the lnstallation

However, this

of any

lhe HF

I and

other Pairchild

peaklng

2 for lnstallatlon

the Interconnect,ing

CRT TermlnatLon

Series

79-02A 100

Series

of the Type

tri"mmer

Diagram.

(I'lgures

MaLn

equipment"

(Types

Frame Oscilloscope

Mc Dual Amplifier.

765H/8,

Oscilloscope

7062

installatlon

amplifler

C0253,

2,

L,

anal

3)

Network

provlded

ls

ln order

rrLth

79-02A ls acqulred

the Hlgh-Frequency

765MH/F, 766H/8,

has not been

CRT Termination

$1111

not affect

plug-ins.

may

requlre s1lght

InstructLons

and Flgure

6704 5584

Sheet

ECN

to

to

766t!fr1/8,

at a later

modified,

Network

the

fn

some

readjust-

3

1of 13

32

,330

INSTRUMENT,ATION

A

OIVISION

FAIRCI]ILD

Of

CAUTNA ANO

INSTqUMENT CORPOR IION

16701

Sheet 2

5884

of

13

B. PEAKING

Hook up

1.

.2.

Tack the free
Type

Notet

Dleplay

3.

4. Set R2065

burnp

start of,

AdJuEt HF

5.

2 rnm ln amplltude.

ADiTUSTI',IENTS

Test

7062

If a

do

devlces

Equipment

end of,

lermlnatlon.

guick

use

not

that

cltlve or

auch

connector

as a tube

the top

Lf PEAKING

should appear

pul8e.

the

peaklng

(c2053

and R2065) Flgures

aa lndicated In

4

Figure l.

the twin lead to the lnput of the

dlsconnect

connectlon Ls made,

alllgator clLps. or oth€r bulky

lriIl lntroduco

lnductlve lump. A small

socket termlnal

would be

guitable.

half of a I Mc

ADiI to mid-range. A

approxlmately 25

trlmmor

C2053 to

a Large capa-

Jack

or arnphenol

algnal from the

termlnatlon

nanoseconda

produce

thru 6.

Type

fron

posltlve

a

7911A.

the

burnp

Rernove

6.

Extenslon Cab1e,

Install the

7,

twl,n Lead.

Type

?9-02A

Typa

Dual Trac6 Plug-ln,

and diEconnect

?062

8. Install a Type 76-08 or

9.

10.

plug-ln

Set fyp€

AdJust

the Y cavlty.

ln

79IA

LF PEAI(INC ADJ R2065

Square

wlth

other

wave

Type

the

th€ long twln lead.

lta noruul

3-3/1r

length

lower freguency ampllfler

Generator

for 10 Kc.

f,or flat'top.

{29{

ol

C.

T'!PE

7062 TERMINATION

INSTALLATTON

6704

Sheet

5884

3

of

13

AsEemb1e

outllned

Ls shown

D.

GROITND

Bhe fol,lowlng

ductlon

To

l.

Ilneil.

PartE

2. Remove

f,rom the

renove

3. Locate

interface

to datermlna

4. 6€t.

aprlag

long

the Iype 7062 Terminatlon

Ln Figures

ln Flguro

SpRING

fNSTAIJLATION

lnstallation

wlll

lncorporate

lnEtall

.The

the

parts

thru 3. The

I

7.

(Flgure

pertalns

the

grounding

requlred are

groundlng

sprlngs

lJlst.

the osci,lloscopeE

left

"Yt

cavlty.

lef,t

th6 top and bottom

dlrlll

and

surface to whloh

four 0.096

hols locatlong.

groundlng

ptace

l!

eelf

tapplng screlra.

sprlngs

using

ln

two

place,

Network

schematic for the Type

8)

to older unlts.

aprlngs.

follow the steps

llsted

slde

(Noter

covers.,

lnch dlameter

the

lock iraEherc

l{

cover and

on

plug-ln

per

drawlng,

following

paragrlph

in

the

Rack

Mountei

holee Ln

rnatcr6.

and

indt

the steps

pro-

New

as

out-

E

of the

plug-ln

u6de1g

th6 chassl,s

See

Flgure 8

secutro

two 4-40

7062

each

X L/4

Ln.

6704

Sheet

5884

4

of

Disconnect

Plate

Install

Netrork

Plate

leads

the lyp€

to Y Defl€ctlon

neck

X t Y

fro6l

plnr

CRT

70

52

Unsold€r

t D€fl€ctlon

lelald

capacitor

-

I

b

"r.a

and

anal

trLotler

froa

17 of

retEve

Plate

plng

Jgobl

leads

17 of

plnc

to

J9001

I and

FIGUF'

1.

INSTA.LL.\?

ION

INSTRUCTIO:iS

6704

s884

Sheet 5

of

13

trnrt ll clanp

Itt.

tt.

poal

la

ReconheAt x

PlatG

le.dt through

and fagten

N€trcrk

7062

Iref,lectlon

a6 shorrtt

.

PIGURE

INSTAILATION INSTRUCTIONS

A.

.o

N

E

4J

d

e

tt
tr

o

F.

lo

o

o

F

o

(
o

ot
'tdo

f, rl

o

oc

.r{

T.a

lnk

1670{

Sheet

,(

!{

.n

''to

I

d

t,

to

E

H

l.{

A
)r

H

E{

all

o d.6

o orl

etooa

o

d6

ur

!

i,

u a

C +t.d

O

.ra

0t

A ft)F.ata

O O\

at.'{O{t,

x

H

t

t

o

VI

a,

tl

4

FtO

Fao

.r'l

dt

Fd

d&,

oo

E{ F{

'rd

-r

\c

Cl

!ni

.rl

8r

l{
o

ot,{

Fa F{

C

ai

loQ

Nou

o a'

rno

!,t,

o

E a da

.,{

t4r6

ll-oo

.,{.n

tt

A$.-OF

tr ov rl

O

ra

'rt

ta{

o

'{

5884

? oi

E

H
H

v,

D

B

a

l,

2

H

u

fi

A

il

I

B

H

E

o

t

tn

H

gr

13

4A

Atd

aru

!{>

Ad

>lB

C.l

fr

o

H

*

9l

!a

!I

B

4

D

o

ul

A

o
a

c,

u!

o

(t

E

?

&t

l,

o

H

!.

1670{

Sheet

5881

of

I

13

.E.

Symbol

C2O5l

c2053

czos{

c2057

c2058

CR2O5I

L2O5I r

& C2052

r c2os6

& C2059

PARTS

LIS!

to CR2056

L2052

(Flgurea

Part

Nunber

0319 5010

0319

o31e

0319

0319

2600 8670
210L 9411

1253

2420

1050 CapacLtor,

2480 CaPacltor,

5 andl 6)

Capacltorl

Capacitor,

""il!.i?l,tftT.3;ofl.roertlonr

Dioder

Collr

De6crlptlon

Pf,

+1S,

13

0.65-3.2

0.02

2.7

uf,

Pft

1N3062

tetmlnationr

wlre

127

fl'xedl

5o0V

varlable,

350v

Pf,

flxed,

+60

-{0lr

flxedr

+5t,

500V

cgratnLc,

cerarnlc,

150V

cornpoel'tlon;

9 turna,

L2053 &

02050

e

r.2o5l

02051

21Ol

2600 8410
2600 8390

Note! ALl rEBlstors

L/zw,

wlee

R2051

R20s2 s R2053

R2054
R2055

Values

speclfledl

0237 5680

0234 8340 3.6K

0237

0235 6330 compoalElon,

R2056 0237

R2057 to R2059 0237 6420

R20 51 0237

R2062

R206

R2065

r R2063 0234 7900 5I

{

0234 86L0

0109

9451

SESIEEoRs.

flxed, fllm,

are
ara ln ohme

K - thougandr

5680 20.5K,

4420

6420 300, 2w

3580

Co1lr

'

lnductancep

wlre

f27

rranaj.stor,

alternate

+5t,

unlesE other-

M

mllllon.

-

20.5K,

+lt,
+It,

33.2K,

3OO, 2!{-

{7K

+Lt,

varlable,

O.lW

(PEAI(

rl

turnc,

DU

t28A

tranal,ator,

and

1,/8W
1,/8W

+lot,

lM,

L/4W

2N3013

L/4w

composltlon, 10X,

AA')

I

R2055

0235 6330 composltlon,

lM,

+I01,

I/4W

16704

theet

s88l

9

of

13

E.

Syrnbol

rf2051

:

conslatlng

PARTS

of,r

LIST

Part

5028

(Flgures

Nunber

CABI/E

906r.

5028
5028
5028

310L

6009

6900
6930
6960

CI,AMP

3242

6180

and

5

WIREg

e

ASSEMBI,Y

concluded..

6)

300-ohrn

6"

124

7' t24
A'

121

clamp

Ecrer,

cable

gtranded
atranded

etranded

tetmlnatl,on

wlrc
wlre
wlre

l{SBIlr 6-32

(blackl

(orange)

(bluc)

x 1,/2

\-,

oty

Qty
Qty

5200

6210

GROUND

2

I

{

3005
6042
6220 0010

3670
0030

SPRING9I ASSEMBDY

88sl

0800

waaherr llat,

wagherr

Sprlng,

lock,

gsound

Screw, selt

waaher,

lock

16
16

tapptnE, l-4O x L/4

lnternal tooth

14

6704 5884

Sheet

.ct,o

c,o

;a

ol

6al

ol

B!,

8'E

i

c

,.

o

a,

a

t

c

o

a,

o
o

,..

o

o

I

10 of

13-.

o

Er

4

q.

E]

tf

o

4

r.l

(J

d

rt
t{

(,

2

B

o

qt

(:

d

4

o

o

4

z

t-t

E

t{

€.

E{

&

(,

h

o

r,1

=

H

E{

z

o

&
&

EI

i>

o

c2053

EF PEA.E

ADJ

6704

s884

sheet U

of 13

iR2os8

iR2o61

CRilos6t
lR2053r

R2057

t

lnzoez

R2064

, cR2055

i\.

R2055

R2059

R2052

lnzoer

c2037

FIGURE

6.

RE.AR

VIET{ OF

IERIqII{AgIO}I BOARD SHOWING REPI,ACEABI..E

CRll

PARTS

D.

3

to

orq

()

@u

-z,G

lr!E
O,

NF

_r

o*N

Gtz

()G
OP

NF

Jor

o

s884

12

lrl

g

=

l.-

of

ro

lO

oul

N-

os

13

!4

d

o

H
H

z

z

o

H
H

s

H

E

&

E]

Er

N

ro

o

F

r,l

A

>r

H,

h,

H

f{

o

o

F

r,l

fr

D

o

H

E{

*6704

O

F

:)

J

(D

F

-r

al rLF

U.t UJ

aJ

>

I"NE

e

[*e

OI

{

H8

oo

o

lrl

<I

C

lo

3=

N

(-lr,

sl

ro

rro

oo

Nr)

Ez

u-

35[

N-l!
Cr

Y

o

o

o

')

rt

(og
Or-

Nri

G

rat N

(o

r,'

oo

Nit
G=

o=

roN

loU,

oo

fa)

s,

E2

()-

>

=

F.

-N

(,

rJ)

OO

(\'

tO

EZ

(J-

tDv

$;

(t

[=

N-

EG,

EE

NN

U1(o

clC)

crl

e,z

(J-

Sheet

r)

Bi

NO

ItsN

E

i:

cu

l*

d3fr

to

o

9

6=
o12

(\l

r-

'"S

o

o

o)

<ty

rnl',

or

GtO

GN

U)

r,.r

E

-

lr)q

oo

NO

aZe
tr)cj

or!

cl

F

J.r<u

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rr.r

r._

N

3e

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--r

t!

UJE

o.{

J

o.

'-

E

o

C

u-

F
c

ul

>

6704

Sheet

5884

13 of

13

do

.,t

Or{

-E

gi

oi.

go

..t

AO

NC

(rto

$

o

cl

lU

(,

(,

HC'

oo
oo

6N

Bnr

o

ro

Nt\

\

N

I

n

I

H>r

tLt

O

or!

ocl

n

+r

H

o0,

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A

..{

ct

I

Ui EI

,E

o.J1

\o

oo

o

uto

nlt

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(Jqr

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+J

lt{
Fl

lr

o

t

o

z

o

t{

H

(
lt

6

E{

Ul

z

H

u

a

D

l.{

&
A

o

o

tr

g

O

.D

u,

H

Fr

U'

N

x

D

o

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ln

c

Q@

rit

@

6

r.a

E

a

rJtn

oo

o

o

h

(,

lrI

o

l{

o

a

o

q,

!o

o

hN

(r{

oo

io

tl

.rl

C

.r,l

A

lo

U'o

,oo

(,

F{

A.'{

afr

o

*-

gd

e

F

THE TYPE 756H

SUPPLEI,TENT

.TO

SERIES

OSCILLOSCOPE

FOR

MANUAI'

A.

B.

INSTRUCTIONS

767,

INTRODUCTION

The followlng

ttre

ior

MOD.

Type

;;;";l-"h;;o

116

MoD

ina

iin

Manual

?66H

766II

ThIs

*u"tf"nl-a

parent

Eyp6

I.

RequLred

Serles

Supplement

supplement

manual.

?66H

oscllloscoPe

manuaL

Serles

Electrlcal

usrNc

ON

116

6,

115

Instructlon

&

757,

ocherwlse

765

incorporateE

cbters

should

and

Manual

PartE

LIst

TYPE

THE

SERIES

Manual

?67,

noted.

OSCIIJLOSCOPE

and

MoD I15

I"loD 115

a

50-400

Part Number

6704

5704 4633

5893

informatlon

be used

Revlslons

757,765

supplement

116

e

incorporates

fan'

cps

For Use

765

?57,

llsted

not

conJunctlon

J.n

e

is^app11::!1:

Serles

Wlth

757,

e

MOD 1r5

in

osclrroscopeg

50-60

a

e

115

MOD

E 116

above

the.

with

the

cPs

116

uou

rrr

MoD

115

Symbol

1ar

\sr

(Bt

g1sg2

J

I s1

\cr

the

Add

typo

aE

Part Number

8100
0503

8100

0326
0s03

0316

FAEr

follow1ng

speclfied

5810
2560

5830

8110

2560
4930

comPonents,

thelr

descrlptlonr

hereln.

crlption

Des

fan,

thermos

fanl

plastic,

50-60 cps

tati c

50-400

cps

0.47

uf,

+10t,400v

thermostatic t

capacitor,

2KV

ceramLc,

0.0I

ffit*tr!E-ffi3

code

Recorunelqeq_Ieggsr

-----Eode

RTN

EMW

IMC

AMX

EMW

and

EIPe

147

2400-s5-2

BC2206rr-2

6AC

c2 9

2400-56-2

uf,

2KV

6704 7L92

sheet

ECN 32,469

1of

2

INSTRUMENT,ATION

a otvrslofi

lArRcslLo cAMERI

of

Al,lo lllsiFuMtxl

coAPoRAlloN

Part

1670{

6heet 2

ECN

32,469

7192

of 2

Schematlc

2.

On LV

foUorlng

Ehown

FAN

B1

50-60

s1

THERMAL

CUTOUT

RevLsiong

Regulat€d

coruPonents

on attached

WHT

^/

PoYr€r

supply'

for ttre

schematlc

cr

O.47pf

SchetnatLc

epeclflc

sketch.

c2

O.a7p

GRN

the

add

MOD ag

FAN

BI

50.400,\'

B LK.

IVH T

RED

T

roor

WHT

BLK.

MOD il5

T.xt

3.

Revl8lons

In the Tcchnl,cal

add the

VEI{TII.,AlION

A cooling fari

followlng

to mal.ntaln

Thc

thenpstat oloaea

perature

when the temporatur.

a. Schematlc

On Bchematlc

capacitor C3, 0.01 uf, from

add

ground.

exceedE

Revlslon

gumary

actuatcd

prop€r

80'f

'CRf

SI

THERMAL

TOUT

CU

MOD I

Envl.romental

headlng

under

and Lnformatlon.

by a thermostat

equlprent operatlnq

to actuatc the f,an

+5'P

diope below 51tP

([OD

116

Circult and

opens to turn

and

only)

HV Supply'

v204

16

Speclflcati'ona

lncorporatcd

le

temPeraturc.

when

the fan

+5'f

eheet 2 of 2r

pln

(CRT)

1

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OFI