Heathkit IO-4205 User Manual

HEATHKIT

®

MANUAL

5 Megahertz

Dual Trace

Oscilloscope

Model 10-4205

595-2072

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·.

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HEATH

COMPANY • BENTON

HARBOR,

MICHIGAN

HEATH COMPANY PHONE DIRECTORY

The following telephone numbers are direct lines to the departments listed:

Kit orders and delivery information
Credit

......... .

Replacement Parts .

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8:

00A.M.

RtC, Audio, and Electronic Organs ..

Amateur Radio

to

12

.....

P.M.

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and

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M.

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to

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4:30P

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Computers

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[phone]

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[phone]

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. .... .... (616) 982-3315

[phone]

......

•...

. (616) 982-3496

...... (616) 982-3309

YOUR HEATHKIT 90 DAY LIMITED WARRANTY

If

you are

not

satisfied

with

our
Services, Heath Company, Benton Harbor,
attention.

Our

attorney,

who

happens

phrases in order to
For a period of ninety (90) days after

either in materials or workmanship. You
telephoning

warrant

We
and

used in accordance with

If

a defective part or error in
fault of yours, we will service it free
Electronic Center (units of Schlumberger

You will receive free
drop us a

Our
incorrect assembly, misuse, fire, or by
advertised.

This warranty covers only Heathkit products
our
limitation of incidental or consequential damages , so
gives you specific legal rights,

line

warranty does

products. We

comply

us at (616) 982-3571.

that

during

consultation

or give us a call. Sorry,

not

Our

warranty does

are

service- warranty or

to

be

with

the first

ninety

our

design

cover

and

not

not

responsible

and

quite

a kitbuilder himself, insists that

the

new

purchase

can

And

we'll

(90) days after

printed

has caused

upon

on

any

problem you

we

we

are

not

unauthorized

include

for

you may also have

otherwise-

Michigan

warranty regulations. Fine. Here they

, Heath

obtain parts directly from Heath

pay

shipping

instructions, will meet published specifications.

your

proof of

purchase

Products

cannot

accept

responsible for

reimbursement

and

is not

incidental

HEATH COMPANY ~

BENTON HARBOR, MI. 49022

oROOo&~uoOOOootooooomo~

or

with

our

49022. He will make certain your problems receive

Company

purchase,

Heathkit

Corporation). or

will replace or repair free of charge any parts that are defective

charges to get those parts to

our

product

and

might

encounter

collect calls.

damage

modifications to or uses of

for

customer

extended

or

consequential

the

above limitation or exclusion may not

other

rights

products, write directly to

we

describe

our

warranty using all the necessary legal

are

:

Company

products,

to

malfunction

delivery at your expense to the Heath factory,

any

of

our

in

the

caused by

assembly or set-up time.

to allied

equipment

damages.

which

vary from state to state.

by writing us at

you-

when

correctly assembled, calibrated , adjusted

during

authorized

assembly or

the

use of corrosive solder, defective tools,

our

products for

or

components

Some

states

our

anywhere

the

warranty period

overseas distributors.

use

of your Heathkit product. Just

used in

do

not

apply

Director of Customer
immediate,

the

address

purposes

allow

to you. This warranty

personal

below or by

in

the world.

through

any

Heathkit

other

than

conjunction

the

exclusion or

no

as

~

with

~

~

~

Prices and specifications subject to change without notice.

Heathkit® Manual

for

the

5 Megahertz

Dual Trace

Oscilloscope

Model 10-4205

595-2072

HEATH

BENTON

COMPANY

HARBOR,

MICHIGAN

490

2 2

Copyright © 1978

Heath Company

All Rights Reserved

Printed in the United States of America

Page 2

TABLE OF CONTENTS

INTRODUCTION o 0 0 0 0 0 0 0 0 0 0 0 0 0 o o o o 0 0 0 0 0 0 0 0 0 0 0 0 3

UNPACKING

ASSEMBLY NOTES

o o o o 0 0 0 0 0 0 0 0 0 0 0 0 0 o o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4

0 o o o o o 0 0 0 0 0 0 0 0 o o o o 0 0 0 0 0 0 0 0 0 5

VERTICAL CIRCUIT BOARD

Parts List
Step-by-Step Assembly

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11

HORIZONTAL CIRCUIT BOARD

Parts List
Step-by-Step Assembly

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 33

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 36

POWER SUPPLY CIRCUIT BOARD

Parts List
Step-by-

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 50

Step

Assembly 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 52

CHASSIS

Parts List
Step-by-Step Assembly

INITIAL TESTS

CALIBRATION

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 59

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 61

0 0 0 0 0 0 0 0 o 0 o o o 0 0 0 0 0 0 0 0 o o o o o o o 0 o 80

0 0 0 0 0 0 0 0 0 0 o o o 0 0 o 0 0 0 0 0 0 o o o o 0 0 0 0 82

FINAL ASSEMBLY

OPERATION

IN

CASE OF DIFFICULTY 0 0 0 0 0 0 0 0 0 0 o o 0 0 0 0 0 0 0 o

o o 0 0 0 0 0 0 0 o o 0 0 o 0 0 0 0 0 o o o 0 0 0 0 88

0 0 0 0 0 0 0 0 0 o 0 0 0 0 0 0 0 0 o 0 0 o o o 0 0 0 0 0 0 o 0 89

97

SPECIFICATIONS 0 0 0 0 0 o o o 0 0 0 0 0 0 0 0 0 0 o o 0 0 0 0 0 0 106

THEORY OF OPERATION

CIRCUIT DESCRIPTION

0 o 0 o o o 0 o 0 o 0 0 0 0 0 o o 0 0 108

o o o 0 0 0 0 0 0 0 0 0 0 o 0 0 0 0 0 0 0 109

SEMICONDUCTOR IDENTIFICATION

CHART

0 0 o o o o o o o 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o 0 o 0 0 0 0 0 0 116

CIRCUIT BOARD X-RAY

VIEWS

0 0 0 0 0 0 0 0 0 0 0 0 0 Illustration Booklet, Page

36

SCHEMATIC DIAGRAM 0 0 0 0 0 0 0 0 0 0 0 o 0 0 0 0 (Fold-in)

WARRANTY

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

CUSTOMER SERVICE

0 0 0 0 0 0 0 0 0 0

Inside

Inside

front cover

rear cover

;

;

:

INTRODUCTION

The

Heathkit
cilloscope is a compact, versatile, easy-to-build, elec­tronic
waveforms
to

measure
to 5 MHz
ity of

the
Oscilloscope for nearly all
tions. The
many
and

other

capabilities

priced

Model

instrument

in

10-4205, 5 MHz, Dual-Trace Os-

that

electronic circuits. You

frequency,

bandwidth

and

vertical amplifiers

triggered

horizontal

outstanding

that

are

oscilloscopes.

you

and

the

types

features

usually

can

AC or

excellent

allow

of waveform

sweep

found

use

DC

voltages.

provide

to

can

input

you

circuit

only

study

also

use

The

sensitiv-

to

use
applica-

and

accuracy

in

higher

the

DC

this

the

it

easier

to

trigger

on

the

vertical frequency of

a TV set.

• A

10

to 1 attenuation

for signals

input

tal

applied

jack.

circuit

to

that

the

external, horizon-

• Accurately calibrated vertical
with

variable controls.

• A calibrated
selections, variable

time

base (seven
within

each selection).

Page 3

can

be

used

attenuators

time

base

Among
fers are:

• A

the

many

special
This
rejecting

other

TV

allows

high

features

position

low

frequencies

frequencies,

this

Oscilloscope of-

on

the

trigger selector.

to

thus

pass

making

while

it

These
make

features, along

this

Oscilloscope a

with

laboratory, service shop, or

the

attractive styling,

welcome

the

ham

shack

asset to

.

will

the

Page 4

UNPACKING

Inside

which
box removed from
bags

will refer to these areas as
rected
All other parts

ered

parts from

specifically called for

the

shipping

contained

stamped

to

open

the

"final

their

carton

this

the

PACK 2

each

of

in

the

pack."

bags or

Assembly Manual.

shipping

through

these

shipping

Caution: Do

the

in

was

the

box

carton, you

PACK 4.

"packs."

"packs"

carton

"final

pack"

a Parts List

stamped

The

You

as

it

will

not

until

in

the

With

will

Manual

will

be

is needed.

be

consid-

remove

they

Manual.

PKl

this

find

di-

any

are

Each assembly section of

"Parts List"

At

tions.
be

instructed

be

directed,

parts from

and

the

beginning

to

in

the

"Step-by-Step Assembly" instruc-

open

one

some Parts Lists,

final pack.

the

of

Manual

each
of

the

contains its

"Parts

List," you

packs. You

to

remove

will

certain

own

will
also

~~~~;allllll;ll:ll=u~

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

ASSEMBLY NOTES

TOOLS

You

will

need

these tools to assemble

your

kit

.

Page 5

PLIER S

-------------------------------------------------

OTHER

HELPFU~

TOOLS

/

NUT STAR
1IMAY
I WITH" KI TI

I
I

I * TO

BE

SUP

TER

PLIED

DIA

GON

C

UTT

~

DE SOLDERING

AL

ERS

BUL

B*

ESO

LDER I NG

D

BR

AID

*

REMOVE SOLDER FROM

CIRC

UIT CON

NECTIONS

HEATH

KI T

SOLDERING

RO

N

I

OR

PENCIL

SO

LDERI

TO 40

NG I RON

WATT

S!

125

.

·------------------------------------------------~

ASSEMBLY

1.

2.

Follow
tire

The

rials
eration
generally
directed
following
until
another

the

instructions

step before

you

illustrations

and

Details. Pictorials

for a

group

illustrate a

to refer to a

steps,"

you

are referred

group

of steps.

perform

in

the

Manual

of

single

certain

continue

to

carefully. Read

each

operation

are called Picto-

show

the

assembly

step.

steps

When

Pictorial

using

that

another

Pictorial for

the

en-

.

overall op-

; Details

you

are

"for

the

Pictorial

3.

4.

5.

Most kits
that

etc.)

Keep

sembly

ranged

Position

use
contains
that

are too large for

the

"Illustration Booklet"

Manual.

in

Pictorial

all

Solder a part
are

instructed

a separate

"Illustration

Booklet"

illustrations (Pictorials , Details,

the

Assembly Manual.

with

the

The

parts

or a

to

illustrations

number

as

shown

group

of

do

so.

sequence.

parts

in

in

the

Pictorials.

only

it are ar-

when

As-

you

Page 6

6. Each circuit

component
numbers
part

in
These
part

has

In

At

part
number

when

the

various sections of

numbers, which

to

be

the

Parts List,

the

beginning

component

In

some

In

the

Schematic,

In

the

section

7.

When

you

are
particular
vided

at

length,

the

bottom

SAFETY WARNING:
off excess
fly

toward

lead

your

lengths.

eyes.

in

an

electronic kit

(R2, C4, etc .

you

want

are especially

replaced

, appear:

of each step

is

installed,

illustrations,

at

the

instructed

use

Avoid

Hold

of

to

the

the

eye

the

has

its

).

Use

these

to

identify

the

the

same

Manual.

useful

where

rear of

cut

something

the

Manual.

scales (rulers) pro­Manual

injury
leads

when

so

they

pages.

you

cannot

own

if a

to

cut

SOLDERING

Soldering
will perform
der

connection
tween
circuit

vent

properly.

a

It is easy to make a
follow a few

1.

a

2.

two
board

an

otherwise

Use
40-watt

3/16"

Keep
on a wet
the
process is called
tip
When
the
ned.

is one of

while

will form

parts, such

foil. A

simple

the

right

pencil

chisel or

the

soldering
sponge

tip

to give

and

enable

solder

tip,

the

the

most

important

assembling

an

electrical

as a

component

bad

solder

connection

operations

your

kit. A good sol-

connection

lead

could

you

be-

and

pre-

well-assembled kit from operating

good

solder

connection

if you

rules:

type

of

soldering

pyramid

or

the

tinning, and

you

tends

tip

needs

soldering

tip

iron

tip

cloth; then

entire

to

to

tip a wet

make

"ball"

to

be

iron. A

iron

with

works best.

clean.

Wipe

apply

it

will protect

good

connections

or does

cleaned

a

solder

look.

not

and

25

to

1/8"

or

it often

to

This

the

stick to

retin-

a

.

Page 7

PARTS

Resistors
in

0 (ohms),

will

kO

be

types of resistors

body,

while

others
The colors of
the

steps, therefore

for

information

Color
Black

Brown 1
Red
Orange
Yellow
Green
Blue
Violet 7
Gray
White

the

Band 1

1st Digit

Digit

called

(kilohms), or

bands

out

will

have

will

be

identified

and

the

following color

by

their

resistance

MO

(megohms). Certain

the

value

by

the

value

will

only.

Band 2

2nd Digit

Color

0

2
3

4

5

6

8 Gray 8

9

Black
Brown

Red

Orange

Yellow
Green
Blue
Violet

White 9

value

printed

code

BANDS

Digit

0

1
2
3

4 Yellow

5

6
7 Violet

on

the

a color

be

code

given

.

in

is given

: 1 2 3 / /Tolerance

Multiplier

Band 3

3rd Digit

Color

Black
Brown
Red
Orange

Green
Blue

Gray
White

1/4-WATT

==

==fllm-===OR~

1/2-WATT

(if used)

Digit

0

1
2
3 Orange

4

5

6
7 Silver

8

9

OR

1-WATT

*Note

Wide

Space

Multiplier

Color
Black 1

Brown
Red 100

Yellow
Green
Blue

Gold

=======~--~=

2-WATT

Resistance

Tolerance

Multiplier

10

1,000

10,000

100,000

1,000,000

0.

01

0.1

Color

Silver
Gold

Brown

Tolerance

:!:

10%

:!:

5%

:!:

1%

Capacitors

value

will

in

JLF

(microfarads) or

be

called

out

by

pF

(picofarads)
ceramic, Mylar* , electrolytic , etc.
may

have

their

value

ner

:

First digit of

capacitor's value : 1

Second digit of

capacitor's value: 5

Multiplier: Multiply the

& second digits by

first
the proper value from the
Multiplier Chart.

To find the tolerance of
the capacitor, look up
this letter

columns.

*

DuPont

in

the Tolerance

Registered

printed

Trademark

in

____

their

Some

the

following

_,

capacitance

and

type:

capacitors

man-

FOR THE
NUMBER:

EXAMPLES:

151K
759 = 75

NOTE:

decimal

MULTIPLIER

0
1

2

3

4

5

8

9

=:=

15 X 10 = 150

X0.1

= 7.5

The

letter "R"

pF

pF

may

be

used

point: as in: 2R2 = 2.2 (pF or

TOLERANCE OF CAPACITOR

1

10 pF OR

LESS

±0.1

pF

±0.

25

pF

±0.5

pF

±1.0

pF

±2.0

pF

LETTER

MULTIPLY

BY:

10

100

1000

10,000

100,000

O.D1

0.1

at

B

c

D

F

G

H

J

K

M

times

JLF).

to

signify a

OVER

10 pF

:±

± 2°/o

±3

±5°/o

±
±

20%

1o/o

o/o

10%

Page

8

VERTICAL
CIRCUIT

Remove
each
correspond

part

the

parts from

against

to

the

the

BOARD

the

pack

following list.

numbers

on

the

marked

The

#1.

key

numbers

Vertical Circuit
Board Parts Pictorial (Illustration Booklet, Pages
and

2).

Any

part

that

is

in

an
the
envelope
step. Do
parts are

KEY

HEATH
Part

No.

individual

part

number

after

not

accounted

No

. Comp. No.

on

it

should

you

identify

discard any

for.

QTY.

DESCRIPTION

be

it

until

packing

envelope

placed

it

is called for

materials

back

CIRCUIT

RESISTORS

All resistors
(fourth

NOTE: The
velope
pack

1/2-Watt

AI

A1

A1

A1

are

15q

5%

silver).

resistors

RES).

you

check

band

(stamped

before

(p-

6-279

6-100

6-220 4

(fourth

may

Open

the

\.S

2

3 2.7

20

band

gold)

be

packed

all

the

resistors

3L

\

Y;·

tV\-G

n (Red-Viol-Gold)

10

n (Brn-Bik-Bik)

22

n (Red-Red-Bik)

unless

designated 1 0%

in

more

resistor

against

envelopes

the

M~)

than

one

Parts List.

~

tcf-i

R179,
R182
R124A, R124B,
R131A, R131B,
R142A, R142B,

R145A, R145B,

R157A, R157B,

R158A, R158B,
R159A, R159B,
R164A, R164B,
R166, R168,
R174
R147A, R147B,
R148A, R148B

PARTS LIST

Some

Check

1

with

into

the

in

a

until

all

en-

in

this

~

I R \05~

R181,

, R175

KEY
No.

Resistors (Cont'd.)

A1

parts
aging number.
purposes
List."

To order a
PART NUMBER. Use
with

the
Parts"
separate "

HEATH

Part No. Comp. No.

6-330

A1

6-390 2

A1

6-470 2

A1

6-820 2

A1

6-101

A1

6-201
6-221

A1

6-271

A1
A1

6-331

A1

6-391

A1

6-471

A1

6-511

A1

6-751

are

only

kit

.

inside

Heath

If

marked

These

and

with

numbers

do

not

replacement

the

one

is

not

available, see "Replacement

the

rear cover.

Parts Price List."

QTY.

DESCRIPTION

33

{

n (Org-Org-Bik)

n (Org-Wht-Bik)

39
47

n (Yei-Vioi-Bik) R134A, R134B

82

n (Gry-Red-Bik) R144A, R144B

100

6

2
8

2
2
6

2
2
2

n (Brn-Bik-Brn) R161A,

200

n (Red-Bik-Brn)

220

n (Red-Red-Brn)

270

n (Red-Vioi-Brn)

330

n (Org-Org-Brn)

390

n (Org-Wht-Brn)

470

n (Yei-Vioi-Brn)

510

n (Grn-Brn-Brn)

750

n (Vioi-Grn-Brn)

a "

171-

are

used

appear

in

the "Manual

part, always

Parts

Order

For

prices, refer to

" or

"172-

for packaging

include

Form

furnished

CIRCUIT

R1A, R1B
R2A, R2B

::::ftj:()SA, R4059;

R106A, R106B
R151A, R151B

R162A, R162B,
R171,
R117A, R117B
R111A, R111B,
R113A, R113B,
R114A, R114B,
R183,
R108A, R108B

R116A, R116B
R135A, R135B,
R139A, R139B,
R153A, R153B
R136A, R136B
R115A, R115B
R163A, R163B

" pack-

Parts

the

the

,
,

R16·1B,

R172

R184

®

~

f§1%f#fB+@

Page 9

KEY

HEATH QTY. DESCRIPTION

No

. Part No. Comp. No.

CIRCUIT

Resistors (Contd.)

A1

A1
A1
A1

A1

A1
A1

A1
A1
A1
A1
A1

6-102

6-122
6-182

6-272

6-332

6-912
6-103

6-153
6-223
6-913
6-104
6-914

20 1000

2

1200
2 1800
4

2700

4 3300

2

9100

10

kfi

4

2 15

kfi
kfi

22
2

91

kfi

2 100
2 910

n (8rn-81k-Red)

n (8rn-Red-Red)
n (8rn-Gry-Red)
n {Red-Viol-Red)

n (Org-Org-Red)
n (Wht-8rn-Red)

(8rn-81k-Org)

(8rn-Grn-Org)
(Red-Red-Org)
(Wht-8rn-Org)

kfi

(8rn-81k-Yel)

kfi

(Wht-8rn-Yel)

R104A, R1048;
R133A, R1338,
R141A, R1418,
R146A, R1468,
R149A, R1498,
R156A, R1568,
R165, R167,
R185, R186,
R187, R188,
R191
R155A, R1558
R137A, R1378
R118A, R1188,
R122A, R1228
R119A, R1198,
R121A, R1218
R103A, R1038
R109A, R1098,
R154A, R1548
R132A, R1328
R169
R102A, R1028
R107A, R0178
R101A, R1018

Other Resistors

'/t..j

A2

6-1801-

~

IZ.

A2

6-4320-11

1-19-1

A3

A4

5-11-2

AS

3-55-5

CAPACITORS
Ceramic

81

21-7 2

81

21-121 4

81

21-75 1

81

21-722

81

21-140 2

81

21-36

4

4

2

2

2

n (1.8

k)

~

watt

,

1800
1%

(8rn-Gry-81k-8rn)

432

n' 1 /8-watt, 1% R125A, R1258,

(Yei-Org-Red-81k)

n, 1-watt, 10%

220
{Red-Red-8rn)
15

kfi

, 2-watt, 10% R176

(8rn-Grn-Org)
2000

n

(2

k), 5-watt R177, R178

33 pF C117A, C1178
56

pF C112A, C1128,

100 pF
330 pF C105A, C1058
.

001

JLF

.002

JLF

R123A, R1238,
R127A, R1278

R126A, R1268
R173

C116A, C1168
C121

C128, C129
C108A, C1088

, R192

KEY HEATH

QTY. DESCRIPTION CIRCUIT

No. Part No. Comp.

Capacitors, Ceramic (Cont'd.)

81

21-141

81

21

81

21-47

81

21-31

81

21-199 2

-27

1

4

3 .

.0033
.005

01

.02

JLF

.1

JLF

JLF

JLF

JLF

C131
C107A, C1078,
C135, C136
C109A, C1098,
C122
C124
C114A, C1148

Electrolytic

82 25-115

83

25-117 4

25-160

B3

8

10

JLF

100

JLF

3

250

JLF

C111A, C1118,
C113A, C1138,
C123, C132,
C133, C134
C118A, C1188,
C119A, C1198
C125, C126,
C127

Trimmer

84

84
84

85

31-56

31-54
31-52

31-77

4 1.

5-

2 4-40
4 8-60

2 80-400

20 pF C101A, C1018,

C103A, C1038
pF
pF

pF

C102A, C1028

C104A, C1048,

C115A, C1158

C106A, C1068

Other Capacitors

86 27-28

2 .1

JLF

Mylar

C1, C2

DIODES

C1

C1
C1

56-56

56-67
56-89

~

\(o

4

1 N4149

VR10A
G0510

g~e~A. o~e+So

9Hl2A., 0192&,-

0103A, 01038,
0104A,
0105A,

0106A,
0108A,
0109A,
0111A,
0112A,
0107
0113, 0114,
0115, 0116

No.

01048
01058
01068
01088
01098
01118
01128

Page

10

KEY HEATH
No. Part

No.

QTY.

DESCRIPTION

CIRCUIT
Comp.

TRANSISTORS-INTEGRATED CIRCUITS (IC's)

NOTE: Transistors and integrated circuits are marked for iden­tification

in

one

1.

Part Number.

2.

Type number.

of

the following four ways:

(On

integrated circuits, this refers
only to the numbers and letters listed. Any addi­tional letters or numbers

on

an

IC

are not signifi-

cant.)

and

3. Part number

4.

Part number with a type number other than the one

type number.

listed.

01 417-235

01 417-237
01 417-260

01 417-293

01 417-801

02

417-834

03

417-902

04

443-1

04

443-4

pi

LJll-

~Lf

8 2N4121 transistor

2 SE6020 transistor
4 2N4258A transistor

4 2N5770 transistor

4 MPSA20 transistor

2 MPSU10 transistor
4 5566 transistor

7400 IC

1 7472 IC

1../

"=>e1

eo

tfl.!M!?

I s

'\tJ

0106A, 01068
0107AI 01078
01

08A,
0109AI 01098
01131 0114
0104A, 01048
01

05A,
0111A, 01118
0112A

, 0 1

0103A

, 0 1
0117, 0118
0115,0116
0101A, 01018
0102A, 01028
U101
U102

f

DID\

1::>10\5

)

DIDZ.AJ

OTHER CIRCUIT COMPONENTS

E1

10-357

E2 10-917

E2

10-918

E2

10-936

E3

10-1118

E4

60-73

E5

60-624

E6

63-1316

E7

475-16

2 1 00
3 200

2

2
2
2

1

2

2

n control
n control

500 n control

1 000

ll

( 1 K) control

ll

( 1 K) control

1 000
DP3T 3-position slide switch
DP4T 4-position slide switch

Rotary switch with 5000

(5K) control
Ferrite bead

n

R112A, R112B
R152A, R152B ,
R189
R143A, R143B
R138A, R138B

R4A, R4B
SW1A, SW1B
SW3

SW2A-R3A,

SW2B-R3B

HARDWARE

#4

Hardware

No.

01088

01

05B

128
038

"))l

Z!S

KEY HEATH QTY. DESCRIPTION
No. Part

#6

G1
G2 250-33 4 6-32

G3 250-416 4 6-32
G4 250-56 4 6-32 x 1/4" screw

G5

G6 254-1

No.

Hardware

250-1282 3 6-32 x 1/8" black setscrew

x 1/8" setscrew
x 1/4" flat head screw

252-3 4 6-

32

nut

4

#6

lockwasher

Other Hardware

H1

253-50 2 1/4" plastic spacer

H2 252-7 4 3/8-32 nut

1

H3 255-145 2 3/8" spacer
1
1

MISCELLANEOUS

J1
,

,

,

,

75-769
J2 75-770
J3 266-1008

85-2043-1

J4

204-2315

204-2333

J5

206-1273

J6
J7

215-95

343-15

344-

346-1

347-55

390-1436
J8 432-892
J9 434-230
J10 434-298
J11

453-66
J12 455-44
J13 456-7
J14 462-1049
J15 462-1050

J16 462-1055

L 1 490-5

134-237

L2

260-16

L3 73-34

390-147
390-1255
390-1483
391-34
597-260

51

Slide switch cover (1-7/16")

Slide

switch cover (29/32")

Slide switch cover

Vertical circuit board

Sw

itch bracket
2 Control bracket
1 Circuit board shield

2 Heat sink
4' Shielded cable
3' Brn wire

8-1

/2" Sleeving

1-1

/2' a-conductor flat cable
1 Metal front panel
2 BNC connector

4 8-pin IC socket
2 14-pin IC socket
2 5" extension shaft
2 Split plast ic bushing
2 Shaft coupling

Red knob

2 Small black knob

Large black knob
Plastic nut starter
Cable with connector

1
2 Alligator clip
2 Red alligator clip insulator

Danger label
Fuse label
Power consumption label
Blue and white label
Parts Order Form

(1

-3/16")

CIRCUIT

No.

Comp.

J1

, J2

F1

250-428
F2 250-52
F3 250-186
F4 252-15

F5 254-9

0

Y.

}'2

I 1

(8

I

3~ 8

I"' I II II

Q .

I " ( 8 I 7

1 I I I

!5

1 (CM )

1 4-40 x 1/4" flat head screw

2 4-40 x 1/4" screw

#4

4
3 4-40 nut
3

"/.

~

8

I . I I I I I I

'2

x 3/8" screw

#4

lockwasher

(I

N C

3

HES

) 2

' I I

I'

"

3

,.

1, I I I I

e 7 · e

'I

I I I

' I

Solder
Assembly Manual (See Page 1
for Part Number)

'II

7

I

17

4

I I

I I I ' I

I

I ' I I ' I

11

10

9

5 6

·,I

I

12

I'

13

I l ' I I I

1 4

15

I I

,.,

I

In

the

following steps, you will be

given detailed

install

circuit
step carefully.
cedure
circuit

NOTE: Only a

board is

ing Pictorials.
tion

Drawing" at

shows

the

assembled.

( )

Position
shown
the

NOTE:
that

has its

the

value
read

ily
with

their

possible.

Hold
sistor
bend
the
board

instructions

and

solder

board. Read

Then
whenever
board.

portion

shown

in

The

area

ofthe

the

with

foil side) up.

When

you

value

printed

marking

. Diodes

type

or

a 910

k.O

with

long-nose pliers

the

leads

hole

spacing

.

the

and

use

you install parts

some of

small

the

circuit

circuit board as

the

install a

up,

should

part

straight

on

first

top of

printed

so it

(Wht-Brn-Yel) re-

how

part

on

perform each

the

same

pro­on

of

the

circuit

the

follow-

"Identifica-

the

page

board to be

side

(not

component

on

it,

position

can

be eas-

be

mounted

number

on

down
the

up,

to fit

circuit

the

and

STEP-BY-STEP ASSEMBLY

to

a

The

steps performed

in this area of

if

the

in

this Pictorial are

circuit

board.

IDENTIFICATION

DRAWING

CONTINUE<:/

( )

Turn

the
solder
as follows:

1.

COMPONENT

circuit

the

resistor leads to

Push

the

soldering

against

both
circuit board foil. Heat
for

two

or

three

SOLDERING

iRON

LEAD

w

~~~

2.

Then

apply

other

side

of

IMPORTANT: Let

and

the

lead
melt

SOLDER

FOIL'\_

circuit board foil

the

solder.

SOLDERING

IRON

Page

board over

the

/)

the

the

iron

lead

and

seconds.

BOARD

solder to

connection

the

heated

11

and

foil

tip
the

both

the

.

( ) R101B:

the

holes at

on

the
color
either

Press
cuit

board.
outward
tor

in

Push

the

the

circuit board .

bands

way

the

place

indicated

may

.

resistor

Then

slightly to

.

leads

The

be

positioned

against

bend

hold

through

location

end

with

the

the

leads

the

resis-

cir-

PICTORIAL 1-1

3. As

the

solder begins to melt ,
allow it
connection. Then
solder
connection

FOIL

( ) Cut off

close to
ING: Clip
will

not

( ) Check each connection. Compare

it to

the

After you have checked

connections, proceed
sembly
soldering
connection

to

flow

and

the

iron

cool.

SOLDERING

IRON

the

excess lead lengths

the

connection

the

leads so

fly toward

illustrations

on

Page 13. Use

.

your

on

with

procedure

around

the

remove the

and

let

the

. WARN-

the

ends

eyes.

Page 12.

the

solder

the

as-

the

same

for each

Page 12

A GOOD SOLDER CONNECTION

~-------------------,

S

OLDER

AND

GRADUALLY

THE

WITH

THE LEAD

FLOWS

FOIL

.

OUTWARD

BLEND

AND

S

,~;~

',,

,')

//

/

,'

/

, (_;;

OLDER

IRON
POSITIONED
CORRECTLY

IN G

I
I
I

I
I

When

you

heat

the

lead

and

the

circuit

time, the

1

The

Lt~

POOR

~----------------------------~-----,

I

I BEAD SURROUN DS
I

I

I

I

I

1 rect,

1

Lc~~c~r:_

SOLDER CONNECTIONS

SOLDER DOES NOT

ONTO LEA

SUL

T

HE

When
will

D. A

ATE

S THE LEAD

CONNECT ION.

the

not

flow

reheat

small

amount

FL

OW / / I

DARK ROSIN

AND

IN -

FRO

M

FO

IL

lead

is

not

onto

the

the connection

of

additional

_____________

heated

lead as

and

solder will flow

solder

~~~

ROS

will make a

IN

,<;

//,'S

''

'

//•

,,,

, I NC

""

sufficiently,

shown

,

if

necessary,

solder

to obtain a good

evenly

good

electrical

~

!!!i~

___________

,

//

,'

, IN

OLDERING OF THE FOIL

IRON '

POSITIONED

ORRECTL

the

Y

solder

above. To cor-

apply

a reheat

_!~;....

board

onto

the

SOLDER

WA

RD

When

the

blob

on

amount

foil at

the

same

lead

and

the

foil. I

connection

APPEARS

AND S

.

foil is

the

circuit

the

connection

of

additional

ET

not

between

TO

FLOW

ON

TOP

heated

board

-~

//,'

as

and

, if necessary,

solder

______________

I
I

,') ,'SOLDERING

//,.-........_

/ ,

',

sufficiently

shown

to obtain a good connec- I

IRON

PO

SIT IONED

INCORRECTL

the

Y

solder

will

above. To correct,

apply

a small 1

.J

A

solder
in
nection
you
dered
you "drag"
remove
is:
lead before
connection
and
important
NOTE:
tions

Use
and
board
circuit
tween
the

solder

boards

bridge

photograph

should

accidentally

connection,

the

it

from

alwa

ys take a good look

you

, make

does

not

bridge

when

It

is alright for

on

the

same foil.

only

enough

lift

the

soldering

.

If

a

solder

board

foil -

connections.

tip

of

the

soldering

bridge

. NOTE :

has a coating

is a protective

bridges.

between

A.

Photograph B shows

appear. A

touch

soldering

the

solder

sure

the

solder to

side-down

two

adjacent

solder

an

adjacent

if

you

use

too

iron

across

connection

it.
the

to

another

. A good

at

the

Then, when

sold

er

foils are small

solder

to

make

iron

straight

bridge

should

and

The

excess

foil.

iron, and

The

foil

on

it

called "solder

insulation

to

help

foils is

bridge

previously

much

other

foil area

you

remains

This

and

close together.

bridge

a good

up

from

develop ,

heat

the

solder

this

will

side

of

prevent

SOLDER BRIDGES

shown

how

the

con-

may

occur

if

sol-

solder, or if

foils as you

rule

to follow

around

is especially

two connec-

connection

will

most
resist." This

solder

in

this

the

circuit

turn

solder

run

remove

circuit

solder

each

the

area

,

the
be-

onto

the

A

SOLDER
BRIDGE

B

Page

::

::

::

The

steps performed in this Pictorial a

in this area of

the

circuit board.

IDENTIFICATION

DRAWING

re

--~,.-fi

PART

NUMRER

13

Be sure you

in

Pictorial 1-1 (Page 11).

R102B:

R105B: 1.5
NOTE: Your circuit board
marked 33 at

R104A: 1000

R105A: 1.5
NOTE: Your circuit board

Solder the leads to
off the excess

NOTE: When you install a diode, al­ways

match

the

band

the
DIODE
IF
See Detail 1-2A.

mark on

WILL

IT

IS

INSTALLED BACKWARDS.

BAN:~

···:·::

:-:.:·

:·:·:"

··BAND

If

your

diode

is clearly defined.

body, do

glass

end

inside
end
outside

the diode for the

. Look for a

of the glass .

installed

91

kfl (Wht-Brn-Org).

0 (Brn-Grn-Gold).

this

0 (Brn-Blk-Red) .

tf

(Brn-Crn-Go1d) .

at

this

33

lead

band

on the

the

NOT WORK PROPERLY

}/

'¥-

GLASS'--..

BODY

has a solid

If

your

not mistake the colored

band

resistor

foil

lengths

diode

may

may

and

.

with

location.

location.
the

circuit board. A

NO

COLORED

END

body, the

painted

diode

band

has a

banded

on

be

be

cut

the

)

07B: 100 kfl (Brn-Blk-

01B:

Selected

(#417-854). See Detai11-2B.

""""

'""',"~the

··1ho1A:

U

(#417-854) . See Detail1-2B.
Solder the leads to the foil and cut

off the excess lead lengths .

IMPORUNT:
BE

MARKED

leads to

excess lead

: 100 kfl (Brn-Blk-

Selected

THE

BANDED

IN A NUMBER

transistor

the

foil

lengths

transistor

END

OF

DIODES

OF

WAYS.

Yel)

and

~

Yel)

.

cut

.

CAN

~

BANDED

END

Detail1-2A

__

_

PICTORIAL 1-2

.._

___

Page 4 of 5

10-4205/595-2072

591-3025

Page 14

IDENTIFICATION

DRAWING

The

steps performed in

in

this area of the

178: 200

168: 330

1278: 1800

Gry-Blk-Brn).

1158: 510

1148: 220

Solder the

off the excess

17

A:

200

circuit

.n
.n

.n

.n
.n

leads

lead

.n

this

Pictorial are

board.

(Red-Blk-Brn).

(Org-Org-Brn).

(1.8 k). 1% (Brn-

'

/4

~

(Grn-Brn-Brn) .

(Red-Red-Brn).

to

the

foil

and

lengths

.

(Red-Blk-Brn).

--~---~.....:;

cut

PART

NUMBER

CONTINUEO

NOTE:

When a wire

step,

cut

the

brown
specified length.
insulation

2-1/4" Brn

D104B: 1N4149

D103B: 1N4149

R118B: 2700

R126B: 432
Blk).

R125B: 432
Blk).

R124B:

R127 A: 1800

Gry-Blk-Brn).

R123A: 1800

Gry-Blk-Brn).

Sol

der
the

Then

from

each

wire

!l

.0, 1% (Yel-Org-Red-

.0 , 1% (Yel-Org

10

!l

(Brn-Blk-Blk).

.n

!l

the

leads

excess

lead

is called for

wire

remove

in

to

1/4" of

end.

.

diode

(#56-56).

diode

(#56-56).

(Red-Viol-Red).

-R

(1.8 k). 1% (Brn-

'

/'1

~

(1

.8 k), 1% (Brn-

'/~

~

to the foil

and

lengths.

IDENTIFIC

DRAWl

a

the

ed-

cut

R116A: 330

NOTE:
a step,
the

specified l

1"

R125A: 432

When a bar
remove

bare wire.

!l

all

ength

.0 , 1% (Yel-Org-Red-

Blk).

R126A : 432

.0, 1% (Yel-Org-Red-

Blk).

R115A : 510

R114A: 220

R113A : 220

Sol

der

the

.n
.n

!l

leads to

off the excess lead lengths.

0

I 1 ( 8 I

iifljiill)

0

y.

.e

Yo

3~ 8

1

~(8

I

I

(CM) 2

:y.

I

1;

8 1

I

(Org-Org-Brn).

e wire is

the

insulation

of

brown

called

(Grn-Brn-Brn).

(Red-Red-Brn).

(Red-Red-Brn).

the

foil

1

(I

N C HIES)

I

I

I I

I

I

I

4

3

for

from

wire.

and

in

cut

c=:>

r-----l

I I

: I

I I
I I

I I
I
I

I
I

I

PICTORIAL 1-3

2

I

I

e

I

I

I

I

I

8

3

I

I

I

I

I

I

7

I

I

I

I

I

I

8

"

I I

4

I

I I

I

I

10

I

I

I

I

I

,

12

R122A: 2700

R136A: 470

nP

, n r

n<>

the

off

5

I

I

I I

I

I

I

13 14 18

r

the leads

excess

I

I

I I I

I

I I

!l

(Red-Viol-Red).

.n

(Yel-Viol-Brn).

to

the

foil

lead

lengths.

6

I

I

18

and

I I

cut

7

I

I

I

17

The

ste

ps

in

this area of

R136B: 470

performed

the

in

this Pictorial are

circuit

0 (Yel-Viol-Brn).

board.

IDENTIFICATION

DRAWING

: 82 0 (Gry-Red-Blk).

1000

Page

0 (Brn-Blk-Red).

15

R137B: 1800

1000

1800

0 (Brn -Gry-Red).

0 (Brn-Blk-Red).

0 (Brn-Gry-Red).

82

R154A: 10

0 (Gry-Red-Blk).

0 (Brn-Blk-Blk).

Solder

off

the

the

leads

excess lead

to

the

foil

lengths

and

.

cut

PICTORIAL 1-4

22

R147A:

Solder the leads to

off

0 (Red-Red-Blk).

the

excess lead l

the

foil

engths.

and

cut

Page

16

The
in

steps

this

performed

area of

in

the

circuit board.

this Pictorial are

PART

NUMBER

R154B: 10

k!l

(Brn-Blk-Org).

1

fi

(Brn-Blk-Brn).

100

: 100

n (Brn-Blk-Brn).

Solder the leads to

off the excess lead lengths.

R146A: 1000

149A: 1000

R155A: 1200

the

foil

fi

(Brn-Blk-Red).

n (Brn-Blk-Red).

fi

[Brn-Red-Red).

and

cut

R187: 1000

D111B: 1N4149

R159B: 10

;Y

Solder

the

off

the

excess lead lengths.

fi

(Brn-Blk-Red).

diode

(#56-56).

n (Brn-Blk-Blk).

leads

to

the

foil

and

cut

./

J

R151A: 39

R154A: 10

the

Solder

off

the

excess

fi

(Org-Wht-Blk).

k!l

(Brn-Blk-Org).

leads

to

the

lead

lengths

foil

and

.

cut

PICTORIAL 1-5

Solder

off

the

the

leads to

excess lead

( Wt"S}

the

foil

lengths

and

.

cut

IDENTIFICATION

DRAWING

Page 17

PART

NUMBER

D113: GD510

( ,..YR192: 1000

,)--

R186: 1000 n (Brn-Blk-Red).

(

(

vJ'

R188: 1000 n (Brn-Blk-Red).

R185: 1000

diode

n (Brn-Blk-Red).

n (Brn-Blk-Red).

--------~----~-

~-;-~---

(#56-89).

The

steps performed

in

this area of

in

the

this Pictorial are

circuit

board.

: 2.7 n (Red-Viol-Gold).

n (Red-Viol-Gold).

: 2.7

79

: 2.7 n (Red-Viol-Gold).

O

I

l i

Q ·

1[8

flj

Solder
off

Solder
off

y.y,•;.

I

•;

lll

ij

5

the

166: 10

the

a I

5[B

I I I '

1

(CM)

the
excess

the
excess

leads

to

the

lead

lengths

n (Brn-Blk-Blk).

n (Brn-Blk-Blk

10

leads

to

the

lead

lengths

1

( I

I

I I I I I I

3

NCHES)

I

7ta

2

foil

foil

I

and

.

).

and

.

cut

cut

: VR10A

9:

l

L.__

__

~

(~Solder

off

the

PICTORIAL

2

I

I

I

I

"

3

I

I

I

I

I

I

I

8

1-6

4

I

I

I

I

I

I

I

9

10

I I

I

I

I

,

I I

5

I

I

I

I

I

12

I

I

I

13

14

22

kn

the

excess

I

leads to

I

diode

(#56-67).

(Red-Red-Org) .

the

foil

lengths

I

I

I

1<0

and

.

lead

I

I

15

6

I

cut

7

I

I

I

I

17

Page

18

The

steps performed in this Pictorial are

in this area of the circuit board.

START•

) Reposition the circuit board as

shown. Solder
as you install each part.

NOTE: When you install
insert the pins
holes.

The

board

must

socket is installed.

the

pins

to

an

into

index mark on

still be visible after

IC

the circuit b.oard

the

......--~

the

foil !DENT! FICA TION

socket,

circuit

the

Q

~

ORA

WING

nc=:>

~I

PART

NUMBER

CONTI

NOTE: When you install a control, in­sert

the

holes

NU

pins

and

solder them to

into

Ev

the

circuit

the

board

foil.

~

1 ....

~

....

.•

,.;ip'i''>

100 n control (#10-357).

...

in

in

14-pin

IC

socket at

IC

socket at Q102A.

IC

IC

QlOlA.

socket at U102.

socket at U101.

PICTORIAL

1-7

Page

19

When

NOTE:
capacitor,
circuit

board

the

end
each trimmer. All
soldered.
lengths.

'

'

insert

leaves

Then

:4-40

you

its

slots.

to

the

cut

·

' ',

. C

pF

The

steps

thi

s area of

performed

in

install a

end

Solder

foil as

the

off

'\

~~~!~

trimmer

leaves

both

you

leaves

the

excess leaf

SO

LDE

IRCUIT

trimmer

into

the

sid

es of

install

must

be

R

BOARD

(#31-54).

in

the

circuit board

this

L torial are

IDENTIFICATION

DRAWING

PART

NUMBER

:4-40

pFtrimmer(#31-54)

. 5-20

pF

:8

-60

pFtrimmer

:8-60

pF

trimmer

trimmer

(#31-52).

(#31-52).

(#31-

.

---

---

-----1

I

f

1-

-

-

-

~Jo

m

PICTORIAL 1-8

Page 20

NOTE:

When

each

of the following

its flat

with

the

leads into
holes. Position
above the board.
to

the

foil

lengths.

and

you install a

the

flat

on

their

correct

the

Then

cut

off

transistor

nine

steps,

board

E,

excess

. Insert

B,

and

the

align

leads

lead

the

transistor 1/4"

solder

the

IDENTIFICATION

DRAWING

in

C

The
in

this

steps

area of

performed

the

circuit

in

this

NUMBER

Pictorial are

board.

PART

CONTINUEO

NOTE:

In

the

following four steps, in-

stall

each

of

the

transistors as follows:

1. Refer to

2.

3.

Turn

4.
der
off the excess

the

below

and

C leads of
Insert

the

the

corresponding

holes

in

the

Position
mately 1/
board

.

the

the

leads

illustration

identify

the

transistor leads

circuit

the

transistor approxi-

4"

above

circuit

to

example

theE

transistor.

board over, sol-

the

lead

, B,

E,

B,

board.

the

circuit

foil,

and

lengths.

WI

and

and

into

C

cut

DE

t;:~

( )

Q103A:
(#417-801) .

[

VJ

Q107A:
(#417-235).

-/)'

Q106A:

(

(#417-235) .

Q109A: 2N4121
[#417-235).

Q108A: 2N4121
(#417-235).

Q111A:

( V

(#417-293).

112A:. 2N5770

#417-293).

( vl Q114: SE6020

237).

.

;&l

MPSA20

2N4121

2N4121

2N5770

SE6020

transistor

transistor

transistor

transistor

transistor

transistor

transistor

transistor

transistor

(#417-

(#417-

-II

CJjE

B E

WI

DE

[

")

Q104A:

[#

(

+

,17-260).

2N4248

transistor

transistor

PICTORIAL 1-9

[

(

IDENTIFICATION

DRAWING

Page

21

Q105B: 2N4258
(#417-

260).

transistor

transistor

The steps

in thi s area of the circ

performe

d in thi s Pi ctorial are

uit

NUMBER

board.

CONTINUE

AR

T

P

NOTE:

When

each

of
its flat
the

leads

holes.

abo

ve

to th

e foil

lengths

Q103B: MPSA
(#417-801).

you

the

following

with

the

into

their

Position

the

board. Then sol

and

.

(~06B:

(#417-235).

(

~

109B:

(#417-235).

Q111

B:

(#417-293).

v

install a transistor

nine

steps, align

flat

on

the

board. Insert

correct

the

cut

2N4121

2N4121

2N5770

E, B,

transistor 1/4"

der

off

the

excess

20

transistor

transistor

transistor

transistor

transistor

the

and

leads

lead

in

C

PICTORIAL 1-10

~

112B

(#417

(

'1"'

Q108
(#417-235).

Q117: MPSA20

801).

V Q118: MPSA20

801).

:

-293) .

B:

2N5770

2N41

transistor

21

transistor

transistor

transistor

(#417-

(#417

-

Page 22

The

steps perform

in

this area of the

ed

in this Pictorial are

circuit

board.

NUMBER

PART

C109B: .

C105B: 330

NOTE: When you install electrolytic
capacitors, always

(

+)

mark

positive (

match

OR
capacitor

the

circuit board.

01

C105A: 330

C107 A: .005

off

the

excess

ClOBA: .002

on

the

+)

mark

the

minus

with

JJ.F

ceramic.

pF

pF

JA.F

lead

JA.F

match

capacitor

on

the

minus

ceramic.

ceramic.

ceramic.

lengths

ceramic.

the

the

circuit

(-)

mark

(-)

.

positive

with

the

board

on

the

mark on

IDENTIFICATION

DRAWING

I I !

@7/2> I

N

1o~Do

\)I

~8

I I

I

( V)"

Solder
off

the

the

leads to

excess

lead

the

foil

lengths

and

.

cut

PICTORIAL 1-11

Page

23

(

_,{

C116A:

56

( v ) CllBB: 56

C117B:

33

pF

pF

pF

ceramic.

ceramic.

ceramic.

IDENTIFICATION

DRAWING

PART

NUMBER

The

steps performed

thi

in

s area of

in

the

circuit board.

this Pictori al are

Solder

the

leads

to

ILF

pF

ceramic.

ILF

ILF

ILF

leads

the

lengths

ceramic.

ceramic.

ceramic

ceramic.

to

the

( )

9

ff

the

excess lead

( ) C128: .0011J.F ceramic.

(

./

C129: .001

(

t.{

C121: 100

C131: .0033

( ) C135: .005

(

~ C136: .005

( ) C124: .02

(~older

off

ILF ceramic.

the

the

excess lead lengths.

foil

.

foil

and

.

and

cut

cut

PICTORIAL 1-12

Page 24

The

steps performed

in

this area of

in

the

circuit board.

this Pictorial are

IDENTIFICATION

DRAWING

PART

NUMBER

NOTE: When you install a
capacitor, place a 1/4" plastic
over

the

screw

and

insert

its

the

circuit board slots.

into

sides of

the

install each

must

be soldered.

C106A: 80-400

77).

C106B: 80-400

77).

18A: 100

C118B: 100

end

trimmer

leaves to

JLF

JLF

end

Solder

the

foil as you

. All

the

pF

trimmer

pF

trimmer

electrolytic.

electrolytic.

trimmer

spacer

leaves

both

leaves

(#31-

(#31

\:)I

1

~~~--

:==:_...:::::!._~~===;-__J

~--

~~

-

----+-----

~

==~

C119A: 100

C126: 250

C133: 10

Solder
off

Solder
off

ILF

JLF

the

leads to

the

excess lead lengths.

JLF

: 10

4:

10

JLF

7: 250

JLF

2: 10

JLF

the leads to

the

excess

JLF

electrolytic.

electrolytic.

electrolytic.

the

electrolytic.

electrolytic.

electrolytic.

electrolytic.

the

lead

lengths.

foil

foil

and

and

cut

cut

•If-

PICTORIAL 1-13

NOTE
foil

: Solder

and

cut

off

the

the

leads or

excess

pins

lengths

each part as you install it.
When you install a control, be

tight against
circuit board. Do

(

~

and

138B

:

1000 0

perpendicular

not

cut

off

(1

k)

(#10-936).

(

.,....l

143A: 500 0 control (#10-918) .

sure

the

control

to

to

pins

the

it

the

of

is

Page

25

IDENTIFICATION

DRAWING

PART

NUMBER

.

The

steps performed in this Pictorial are

in

thi

s area of

the

circuit board.

(!"'")R.143B: 500 0 control (#10-918).

152B: 200

0 control (#10-917) .

200

0 control (#10-917).

15

kn

, 2-watt (Brn-Grn-

220 0 , 1-watt (Red-Red-

you are

instructed
mount a resistor 3/16" above
board as
3/
for
dered , remove

shown, use a 1" x 1"

16"

card

board (from

. a

spacer

. After

the

cardboard

~

or--

shipping

the

leads

the

CARDBOARD

circuit

piece of

carton)

are sol-

spacer

X 1"

1"

SPACER

to

.

•II-

PICTORIAL 1-14

R178:

board) .

R177:

board).

20000

, 5-watt (3/16" above

20000

, 5-watt (3/16" above

0

I

0

I I

1(8

fl

y.

I

j I I I

.5

%

!S(B

3~8

I

I

')

1

(CM)

"4

1;8

I

I

2 3 5

(INCHES)

1

I I

I

I

I I I I

I I

I

4

I

I

I

I

10

I I

I

I

3

I I

I

I

I

I

I

8

"

2

I

I

"

Page

26

Refer

toPictorial1-15

the

following steps.

NOTE:
circuit
pin 1 end
the

(

( ) Q101B: Install a 5566

(

When

(I

circuit board. See

~

Q101A: Install a 5566
location Q101A .

location Q101B.

-1

Q102A: Install a 5566
location Q102A.

C)

of

in

you

the

the

(Illustration Booklet, Page

install a transistor

following steps,

transistor

or

Detail1-15A.

( j Q102B: Install a 5566

/ location Q102B.

( ) U102: Install a

I U102.

7472Ic:;

or

integrated

be

sure

to

match

IC

to

the

index

transistor ( #417

transistor

transistor

transistor ( #417

(#443-4)

(#417-902)

(#417-902) at

at

3)

for

the

mark

on

-902)

at

at

-902)

ar

location

2.

Fit

the

pins

of

into

control

down

turn

the

end

these

against

If

they

the

switch

all

the

foil.

rotary

you

step, cut

length

their

switch

and

time,
and
switch

3. Carefully

only

spect

are

tight
board.
push

solder

to

the

(

'-')

/ SW2A - R3A: In

other
(#63-1316) at its location

the

When

next

end

.

NOTE:
in
indicated
each

each

switch

board

holes

pins

are

in

tight

against

the

circuit

pins

of each wafer

pins

the

printed

are not,

remaining

switch

are

reheat

tight

against

the

same

with

instructed

the

specified color

remove 1/4" of

wafer,

place.

the

board

to

make

switch

manner,

5000 0

on

to

one

until

all

Then

circuit

over

to

sure

side

of

the

connection

the

and

(5

the

circuit

prepare

insulation

wafer at a

the

push
board.

and

the

foil. In-

all

the

the

board.

control

install

k)

control

board.

wires, as

wire

switch

the

solder

pins

circuit

and

Then

pins

the

to

the

from

(

~

U101:

U101.

(

SW2B-

/

rotary

1316)
circuit

1. Carefully
with

Install a 7400

switch

at

board

their

IC

R3B: Refer to

with

5000 0

its

location

as follows:

align

the

pins

holes

in

the

SMALL

(#443-1) at

Detail1

on

the

of

circuit

5B

(5

k)

printed

the

front wafer

board.

location

and

mount

control

side

(#63-

of

the

(A)

DOT

a

·~~~~

ulf)~

PIN1 PIN1

~

PIN

Detail1-15A

Prepare
are

RIDGE

listed

the

in

3"

2"

NOTCH ___

~~

PIN

1

following

the

3"

2-1/4"

0{1

pIN

1

~

order

.

brown

they

--

~

wires.

The

will be used.

<

~~

wires

Page

27

I§~

f§fifi*U*FP

NOTES:

1.

When
board, always
after

in

2.

solder
later.
means
number
wires are

3.

When you
sure
directly above
capacitors, as
justed later.

j

Connect a 3"

( )

(S-1)

tion

the

spacer

you

connect a wire

cut

the

connection

the

following steps, (NS)
because

"S-"

to

other

with a number,

solder

following

at

the

connection.

wire

to

no

wires or

components

the

these

Brn

wire

to

switch

on

wire

the

SW2A

between

switch.

off

the

excess

is soldered.

wires

the

connection.

the

"S"

tells

the

rotary

screws

in

trimmers

from

circuit

wafer A lug

the

shaft

to

the

circuit

lead

length

means

will

such

not

be

added

as (S-3),

how

switches,

are

positioned

the

trimmer

must

be

board

hole

9 (NS). Posi-

and

indicated

to

The

many

be

ad-

A

C

v(

Connect a 2"
A2 (S-1) to

(J Place a 1/2"

0 , 1/2-watt (Org-Org-Blk)

33

/)['

R2A:
tween

switch

length

Connect

wafer A

(S-1).

(

~

R106A: Connect a 33

5%

resistor from

in

the

circuit

B

lug

9 (S-1).

(

~

onnect

CC
Position
indicated

V )

Connect
hole

(S-1).

the

~

33

(~B:

tween

~

S-1).

(

v('

R106B: Connect a 33
5%
on
B

(

~

a

3"

(S-1) to

switch

the

spacer

a 2-1/4" Brn

B2

(S-1) to

Position

indicated

/2"

length

0,

1/2-watt (Org-Org-Blk)

Connect

wafer A lug

resistor from

the

circuit

lug

9 (S-1).

t

the

circuit

Brn

wire

from circuit

SW2A wafer A lug 8 (S-1).

of sleeving

on

5%

this

lug

the

board

Brn

wire

resistor to

9 (NS)

0,

indicated

(S-1) to

switch

and

wafer B

1/2-watt (Org-Org-Blk)

resistor

switch

from circuit

SW2B wafer A

wire

between

on

switch

the

wire

spacer

of sleeving

the

on

the

shaft

switch.

wire

from

SW2B wafer A

between

the

the

switch.

on

each

5%

this

the

board

board

resistor ! o

9~')

0,

indicated

(S-1) to

aside

switch

and

wafer B

1/2-watt (Org-Org-Blk)

resistor

switch

temporarily

board

hole

each

lead

of a

resistor.

SW2A be-

lug

outline

SW2A wafer

board

lug

circuit

hole

9 (NS).

and

board

the

lug

shaft

and

lead

of a

resistor.

SW2B be-

lug

outline

SW2B wafer

.

8

8

8

Q .5 1

(C

M ) 2

'II

7

I

17

(INCHES)

'I

I I

II,

3

2

. I '

I

·,

I

I '

s

"

3

' I .

'I

4

, I ,

I I

8

' I

I I'

I

10

9

I, ' I'

11

5

'• I I

12 13

6

I I

I ' I

I''

,.

I '

I

1tl

1S

Page

28

Refer to Pictorial 1-16 for

~

(

Locate
shown.

the

switch

I SW1A: Install a DP3T

location

x 1/4"

stalled

( .;{ SW1B:

3-position
switch

NOTE:
refers
use

hardware,"
screw,

Refer

number
install
nished
start

The

to

to

mount

one

to

the

with

them

SW1A

flat head screws.

either

In

the

slide

bracket.

term

"hardware"

the

screws,

parts.

for example,

or

more

the

Detail called

of

lockwashers

hardware. Use

the

kit

on

screws.

in

the

way.

same

switch

nuts,

The

#4

lockwashers

to

to

pick

the

following steps.

bracket

3-position

switch

The

manner,

at

location

in

the

and

lockwashers

phrase

means

out

in
use
the

up

to

the
and
plastic

#4

and

position

slide

bracket. Use 6-32

switch

install

SW1B

following

"Use

4-40 x 1/4"

use

a 4-40 x 1/4"

and

a 4-40

step

for

the

correct

nut

and

#6

it

switch

can

be

a DP3T

in

steps

you

will

nut.

the

correct

way

starter fur-

nuts

and

as

at

in-

the

to

switch
switch
Now
against
drawing

J1

: Install a BNC
switch
furnished

J2:

(

~

Refer to
the

( J)

-

~

In

at

location

Refer
bend
shown.

Pictorial1-17

following steps.

Prepare

Remove
from

bracket.

with

4-40 x 1/4" flat

bend

the

switch

the

bend

#1

on

bracket. Use

with

the

same

J2

in

to

inset

drawing

the

indicated

two

2"

an

extra 1/2" (total 3/4") of

one

end

of

Secure

in

Pictorial1-16.

connector

the

manner,

the

(Illustration Booklet, Page

brown

both

the

tab,

that

the

switch

at

the

lockwasher

connector

install

switch

#2

on

lugs

on

wires.

2"

brown

other

tab of

head

hardware.

is

in

the

bracket.

location

and

a BNC

bracket.

Pictorial1-16

switch

See

a 3/8" spacer.

connector

insulation

wires.

the

slot, flat

inset

J1

in

the

and

nut

and

SW3 as

4)

for

SW3:
switch

Push

into

either

the

tab of a DP4T

slot

at

location

4-position

SW3

slide

in

the

13-1/2"

1/4"

MARK

WITH

INK

MARK

WITH

INK

Page

29

Connect

(

j)

these

Pass

the
through
other

end

( 1 Pass

(

v)

the

wire

through

the

other

Locate

the
cable for its full
conductors. Discard
consisting
ductors

( \1) Refer

the

0

y.

11

!8 I 3 ( 8

iihjlilij

.5

1

0

13-1/2"

y,

5fe

I

I

(C

M)

, as it will

to

•;.

718

I

I I I

I

2 3

two

wires

to

longer

lug

longer

end

bared

9 (NS) to

of

this

bared

lug

of

wire

8 (NS)

this

8-conductor

length

of

the

Grn, Blu , Viol ,

not

Detail 1-17 A

length

I I I

of

(INCHES

0

I

I

I

switch

end

lug

to

end

wire

SW3 as follows:

of

one

4 (S-1).

lug

6 (S-1) .

of

the

to

lug

7 (S-1).

to

lug

5 (S-1).

2"

Connect

other

flat cable. Separate

between

the

the

Yel

4-conductor

and

be

used.

and

prepare

4-conductor

)

2

I I I

I

I

I

5

the

flat cable.

I

I

..

1/4"

Brn

wire

the

2"

Brn

Connect

this

and

Grn

section

Gry con-

ends

3

I

I

I

I

8

of

I

NOTE: Where a wire passes
goes

to
solder
ing
connections
"through

Connect
has its

(

~

( { Org to

( 1

(

..{

The

I I

I I

I

I

9

another

instructions

the

connection.

ends

Yel to

ed

Brn

free

4

I I I I I I I I I I

I

10

, to

wires."

the

end

even, to

lug

lug

to

lug

to

lug

end

of

I

I

,

point, it

this

will

(S-2), one

Be

sure,

apply

of

enough

this

switch

10 (S-1) .

9 (S-3).

8 (S-3).

3 (S-1).

cable

5

I

I

I

12

13

through a connection

count

as

two

wires

entering

when

heat

4-conductor

and

you

solder

to

solder

flllt cable,

SW3 as foi lows:

will

be

connected

6

I

I I I I I I I I

I

I

I

I

15

1.

I

16

one

later.

and

in

the

leav­these
these

that

I

17

7

I

Page

30

~I

~

~~

~

~

~

~~-iL~-

-

:

Q

I n I

I-~

-1=~-~=---

~

Pl

r------..o

VERT I CAL

CIRCUIT

BOARD

~r~~~

J

I--~

Detail 1-17B

3/8-32

~

NUT

~I

~

Q

~-~~

ljll

n

m

~~I

Cliiiii-,..JJJ~

r!l·~

~

~~~

-t?-~

4-CON

FLAT

m¥~

-1~

DUCTOR
CABLE

m I

(J Refer to Detail 1-17B

bracket
(mounted
3/8-32 nuts. Be

switch
cable above

Connect
the

circuit

Org to hole T (S-1).

Brn to

Yel to

Red

Prepare

Connect
lug 7 (S-1) to

onto

bracket as

the

free

board

hole

holeS

to

hole X (S-1).

two

a 1-3/4" Brn

switches

on

the

vertical

sure

to

shown

the

board. · -.:..:r

end

of

the

as follows: /

P (S-1).

(S-1).

1-3/4"

brown

circuit

and

mount

SW2A

circuit

position

4-conductor

wire

board

and

wires.

from

hole

the

the

the

switch

and

SW2B
board)
flange of

4-conductor

flat cable to

switch

B (S-1).

with

SW1A

the

,J

~

)

Position

fl

.-

~

~

~

\\

11\0

( Place a 3/8"

(

vJ

Connect
lug

uit

two

R1A:
to

(S-1).

lug 9 (S-3).

R1B: Connect one
to
(S-1).

circuit

shown.

a 1-3/4" Brn

3 (S-1) to

these

board.

33

0,

Connect

switch

Connect

switch

Connect

board

circuit

two

length

1/2-watt (Org-Org-Blk)

one

SW1A

the

Position

SW1B

the

(S-1).

wire

from

board

hole

wires

down

of sleeving on

lead

of

one

through

other

lead

through

other

lug

lead

the

resistor as

of

the

lug

lead

Position

other

switch

BB

against

each

5%

of

these

3 (S-2) to

to

switch

shown.

33 0 resistor

7 (S-2) to

to

hole AA

the

resistor as

SW1B

(S-1).

the

lead of

resistors.

resistors

lug

SW2A

lug

in

cir-

6

2

the

0

y.

I 1(8 I 3f8

iifljiiiif

5

0

1

(INCHES

)

3f.

Y:.

7 / 8

5(8

I

I

1

(C

I

M ) 2

I

I I I I

I

I

I

I

3

2

I

I I

I

I

'

I

I

5 6 8

I I

I

3

I

I

'

I

I

I

I

I

I

I

I

I

9

4

I I

I I I I I

I

10

I I

I

,

I

5

I

I

I

I

I

12

I

I

13 14

I

I

6

I I I

I I I

I

I

1~

"'

I

7

I

I

I

I

17

4-40

#4

LOCKWASHER

NUT

@__~

Page

31

NOTE:

the
rial1-17.

(..--1

( efer

Be

sure

to

next

two

steps,

/

C1:

Connect
through
through

ther
ard

C2:
through
through

her

e

grooves

4 X3/8" screw.

Refer
transistor (#417-834)

1/4" hardware. Be

transistor

connector

lug

lead

the

band

Connect

connector

lug

lead

band

to

Detail 1-17C

in

to

Detail 1-17C

position

exactly

one

1 (S-2)

to

switch

on

one

5 (S-2)

to

switch

on

the

the

bottom

are

positioned

the

capacitors,

as

they

lead

of

J1

(S-2)

to

lug

SW1A

the

capacitor.

lead

of a

J2

(S-2)

to

lug

SW1B

capacitor

and

of

and

on a heat

sure

the

installed

are

shown

.1

J.LF

Mylar

to

switch

5 (S-1).

.1

J.LF

1 (S-1).
lug
.

both

install

beveled

as

Connect

lug

4 (S-1). Disre-

Mylar

to

switch

Connect

8 (S-1). Disregard

prethread

heat

sinks. Use a

an

sink

with

edges of

shown.

in

in

Picto-

capacitor

SW1A

the

capacitor

SW1B

the

the

two

MPSU10

4-40 x

the

·

/

)

In

the

same

transistor

Q115:
lead of
and C leads

sponding

at

circuit
solder

the

(

~

Q116:

transistor

Q116

Refer to Detail 1-17D

circuit
holes
the
flat
Then
shield

Place a short

one

location

board

the

excess

In

on

board

and

printed

4-conductor

turn

tabs

Detail

manner,

(#417-834)

of

these

of

the

E,

B,

and

Q115.

with

transistor

lead

lengths.

the

same

and

short

the

circuit

shield

push

the

side

of

cable is

the

circuit

to

the

foil.

1-170

install
on a heat

ferrite

transistors. Insert

transistor

C holes
Secure
two

leads

manner, install

ferrite

board.

and

into

shield

the

circuit

board

another

sink.

bead

into

in

the

the

heat

#4

x 3/8" screws.

to

the

foil

bead

insert

the

their

down

board

positioned

over

and

MPSU10

on

the

theE,

their

circuit

sink

and

the

at

location

tabs

circuit

tight

. Be

as

solder

center

corre­board

to

the

Then

cut

other

on

the

board

against

sure

the

shown.

the

B,

off

Page

32

RefertoPictorial1-18 (Illustration Booklet, Page 5) for
the foLlowing steps.

(/

Turn

the

it as

shown

(

_)

Refer

to
bracket at
6-32

x 1/4" hardware.

;(

In

the

same

bracket

at

V R4B: Refer to

(1

k)

control

at

location

control so its

( R4A:

/

In

the

control (#10-1118)

circuit

Detail 1-18A

location

board

foil

in

Pictorial 1-18.

R4B

manner,

mount

location R4A

Detail1-18A

(#10-1118)

R4B

with

a 3/8-32

lugs

are

same

manner,

on

side

up

and

mount

on

the

circuit

the

on

the

and

mount a 10000

on

the

nut.

up

as

shown.

install

the

control bracket

and

a control

board. Use

other

circuit

control

Position

a 1000 n

position

control

board.

bracket

(1

location R4A.

NOTE:

When
lowing steps,
touch

the

v{

R12B:
Red)

/

the

(

-/

) R119B:

Red)

9fe

(

~

R121A:
Red)
the

/

(/ R119A:

Red)
the

(~Prepare

NOTE:
circuit
above

the

tion

to

Connect a 2"
(S-1)

do

metal

Connect

5%

indicated

Connect

5%

indicated

5%

indicated

5%

indicated

When

board,

foil to

the

wire

to

the

you

wire

these

not

allow

case of

the

a 3300

resistor

from control

hole

a 3300 n, 1/2-watt (Org-Org-

resistor from

hole

Connect

a 3300

resistor from

hole

Connect

a 3300 n, 1/2-watt (Org-Org-

resistor from

hole

two

2"

brown

you

connect a wire

keep

the

be

sure

you

and

circuit

Brn

wire

indicated

two

controls

any

of

the

controls.

0,

1/2-watt (Org-Org-

in

the

circuit

control

in

the

circuit

0,

control

in

the

circuit

control

in

the

circuit

wires.

insulation

get a

good

board

from control

hole

in

in

the

fol-

resistor

R4B

R4B

lug

board

lug

board

leads

1 (S-1)

(S-1).

3 (S-1)

(S-1).

1/2-watt (Org-Org-

R4A

lug

1 (S-1)

R4A

to

board

the

on

solder

lug

board

foil

the

wire

(S-1).

3 (S-1) to

(S-1).

side

of a

1/8"

connec-

foil.

R4B

lug

the

circuit

board

(S-1).

the

k)

at

to

to

to

to

2

Connect a 2"

to

(S-1)

the

indicated

Brn

wire

from control R4A lug 2

hole

(S-1).

CIRCUIT BOARD CHECKOUT

Carefully
conditions.

( ) Diodes for

( ) IC's for

There
board

aside temporarily.

Save

The

Save

inspect

Unsoldered

solder

Poor

Solder

Protruding

Transistors

the

connections.

connections.

bridges

leads

for

circuit

between

which

the

proper

Electrolytic capacitors for
of

the

positive

tion

of

the

the

are a

number

that

will

the

remaining

following

them

3 6-32
4 6-32

3

Slide

parts

for

use

x 1/8"
x 1/8" setscrews

switch

1 Metal front

5"

extension

2
2

Split

plastic

couplings

Shaft

2

knob

Red

1
2 Small

1 Large

1
1
1
1 Cable
2

black

black
Sleeving
Shielded
Label

assembly

Alligator

2 Alligator

(

the

proper

banded

proper

of

be

used

parts

should

later.

black

covers

panel

shafts

bushings

knobs

knob

cable

clips
clip

insulators

+)

or negative

end.

type

unused

later. Set

setscrews

with

board

foil patterns.

could

type

type

and

for

use

be left over at

connector

in

the

circuit

for

the

touch

and

installation.

the

correct

(-)

and

the

correct posi-

installation.

holes

in

the

circuit

later.

board

following

together.

position

end.

the

circuit

board

this

time.

IIFipiiij

Q 5 1

I I I

(CM)

7

I

I

II

17

12

5

II

I I I I I

6

I I

I I

I. I I

I I

I

I

13

14

,.,

15

(INCHES)

I I I I

2

Ill

2

·~

I I

I

I

5 8 9

3

I I

I I I I I

I I I

I I

I

10

4

I I I I I

I I I

,,

HORIZONTAL

CIRCUIT BOARD

PARTS LIST .

Remove
each
correspond to
Board Parts Pictorial (Illustration Booklet , Page 6).

part

the

parts

against

from

the

the

numbers

the

pack

marked

following list.

on

the

#2

and

check

The

key

numbers

Horizontal Circuit

To

order a replacement

PART NUMBER. Use

with

the

kit.

If

one is
Parts" i
separate

nside

"Heath

the

rear

Parts Price List."

part, always

the

Parts

not

available, see "

Order

include

Form

Replacement

cover. For prices, refer

Page

33

the

furnished

to

the

KEY

HEATH

No. Part No.

RESISTORS

All

resistors

(fourth

NOTE:
velope

pack

band

The

(stamped

before

are

silver).

resistors

you

1/2-WaH

A1

6-279

A1

6-100 3

A1

6-470

A1

6-221

A1

6-271

A1

6-331

A1

6-391

A1

6-511

A1

6-561

A1

6-821

QTY.

5%

RES).
check

DESCRIPTION

(fourth

band

gold)

unless

designated

may

be

packed

Open

all

the

resistors

2.7

!1

5

2

8

2
2

1 390

2
2 560

(Red-Viol-Gold)

10

!1

(Brn-Bik-Bik)

47 n (Yei-Vioi-Bik) R214, R215

220

!1

(Red-Red-Brn) R230, R237,

270

!1

(Red-Vioi-Brn) R212, R255

330

!1

(Org-Org-Brn) R209, R228

!1

(Org-Wht-Brn) R229

510

!1

(Grn-Brn-Brn) R206, R207

!1

(Grn-Biu-Brn) R235, R258

820

!1

(Gry-Red-Brn) R217

the

in

more

resistor

against

than

envelopes

the

Parts

CIRCUIT
Comp.

No.

10%

one

en-

in

this

List.

R241

, R275,
R276, R277,
R281
R244, R269,
R270

R238

, R246,
R253, R254,
R259, R260

KEY
No

HEATH

Part No.

.

QTY.

Resistors (Cont'd.)

A1

6-102

A1

6-152 1 1500

A1

6-182

A1

6-222 2200

A1

6-682 6800

A1

6-103 10
6-153

A1
A1

6-473 2 47

A1

6-683 1
6-104

A1

6-684

A1
A1

6-914 910

A1

6-105 1
1-163

A1
A1

1-166 10

13

5

1

5

DESCRIPTION

1000

!1

(Brn-Bik-Red)

!1

(Brn-Grn-Red)

1800

!1

(Brn-Gry-Red)

!1

(Red-Red-Red)

!1

(Biu-Gry-Red)

k!1

(Brn-Bik-Org) R256

15

k!1

(Brn-Grn-Org)

k!1

(Yei-Vioi-Org) R220,

68

k!1

(Biu-Gry-Org)

100

k!1

(Brn-Bik-Yel)

680

k!1

(Biu-Gry-Yel) R224

k!1

(Wht-Brn-Yel)

M!1

(Brn-Bik-Grn) R280

6.8

M!1

(Biu-Gry-Grn) R223

M!1

(Brn-Bik-Biu)

CIRCUIT
Comp.

R272
R226

R225

No.

R12, R202,
R204, R218,

R221

R219,
R227, R245,
R262,

R268
R273, R278,
R282
R248
R205,

R208
R213, R216,
R250

R210

R222

R201

, R239,

R243,

R252
R274

R242

R240

,

,

,

,

Page 34

KEY HEATH
No.

Part

QTY. DESCRIPTION

No.

Other Resistors

1-21-1

A2.

A3 1-23-2 2 5600

A4 5-2-2 2 22

n' 1-watt, 1 0%

680

(81u

-Gry-8rn)

n, 2-watt R263, R265

(Grn-81u-Red)

k!l

, 2-watt R233, R264

CAPACITORS
Ceramic

81

21-157 5
21-7

81
81

21-32

81

21-121

81

21-75 100 pF C212
21-21

81
81

21-56 1 470 pF C214

81

21-36

81

21-16

81

21-82 1

81

21-199

pF

1 33 pF C204

47

pF

2

pF

2 56

200 pF C222

3

.002

JLF

01
.02
.1

JLF
JLF

JLF

2 .

3

Tantalum - Electrolytic

C1

25-221 1
25-820

C2

C2 25-115

C2 25-233

2

9

JLF

tantalum C208

2.2

10

JLF

NP (non-polarized) C203, C221
electrolytic
10

JLF

electrolytic C206, C217,

JLF

electrolytic C207

22

Other Capacitors

CIRCUIT
Comp. No.

R232

C219

C220,C235
C205, C213

C211, C218,
C229
C202, C224
C210
C209, C228,
C232

C223, C225 ,
C226, C227 ,
C230, C231 ,
C234

KEY HEATH QTY. DESCRIPTION
No. Part

-------

No.

CIRCUIT
Comp.

DIODES

56-56

01

01 56-59

56-67

01

TRANSISTORS

1N4149

8

1 1N750A

2 VR10A

INTEGRATED CIRCUITS

-

0201 , 0204
0207

, 0208,

0209

, 0210,

0213

, 0214
0206
0205

, 0211

(IC's)

NOTE: Transistors and integrated circuits are marked for iden-
tification in one of the following four ways:

1.

Part number.

2. Type number. (On integrated circuits this refers only

to the numbers and letters listed. Any additional
letters or numbers

3. Part number and type number.

4. Part number with a type number other than the one

listed .

E1

417-134

E2

417-154 1 2N2369 transistor
417-235 2 2N4121 transistor

E1
E1

417-801 4

417-834

E3
E4 417-902

E5 443-6 7474 IC U201
E5 443-22 74121 IC U205
E5 443-23 74122 IC U203
E5 443-44 7413 IC

443-625

E5

5

2

3

on

an IC are not significant.)

MPS6520 transistor

MPSA20 transistor

MPSU 1 0 transistor
5566 transistor 0201,

74132 IC

0209,
0212, 0213,
0217

0216
0203, 0204
0202,0205
0206
0214,

0208

U204
U202

0210

, 0211

0215
0207

No.

,

,

,

29-5 1 000 pF polystyrene C216

C3

27-47

C4

C5

27-2

.1

JLF

Mylar

JLF

film

1

C201
C215

l§

KEY

No

. Part

~

f§f*Si¥fHil

HEATH

QTY. DESCRIPTION

No.

CIRCUIT
Comp. No

KEY

. No.

HEATH
Part

No.

QTY.

DESCRIPTION

Page

35

CIRCUIT
Comp. No.

CONTROLS

F1
F2
F1
F1
F1

10-918
10-391
10-936
10-398
10-904

2

HARDWARE

G1
G2
G3
G4

250-52
250-186
252-15
254-9

2 4-40 x 1 /4" screw
4
2 4-40 nut
2

MISCELLANEOUS

H1
H2
H3
H4

434-230
434-298
475-16
475-10

3
5
2
2

500

n control

1000 n ( 1
1 000

2000

5000

#4

#4

8-pin IC socket
14-pin IC socket
Short ferrite bead
Long ferrite bead

K)

control

n ( 1

K)

control

n (2K) control

n (5K) control

x 3/8" screw

lockwasher

R231
R236
R257

R251

R211

FB

FB

, R247

PARTS FROM FINAL PACK

J1

63-1315

85-2044-2

J2

215-95
344-51
344-163
344-165
344-166
344-167
344-168
344-56
344-170 1'
344-58
344-172 1'
344-173
344-174
344-175
344-176
344-177
344-178 1'
344-179
344-180
344-181

Rotary switch with 5
and 1 0

kO.

1

Horizontal circuit board

2

Heat sink

6'

-8

" Brn wire

2'

Blk wire

1' Red wire

1'

Org wire

1'

Vel wire

1'

Grn wire

2'

Blu wire
Viol wire

2'

Gry wire
Wht wire

1'

Wht-Bik wire

1'

Wht-Brn wire

1'

Wht-Red wire

1'

Wht-Org wire

1'

Wht-Yel wire

Wht-Grn wire
1' Wht-Biu wi
1'

Wht-Viol wi
1'

Wht-Gry wire

controls

re

re

kO.

SW5-R10-

R11

Page

36

The

steps performed in this Pictorial are

in this area of

the

circuit board. ------¥.4"

START•

Position
up

NOTE: When you install a diode, al-

ways match
the

as

band

the

shown

on

circuit
.

the

band

the

board

on

circuit

printed

the
board

diode

.

STEP-BY-STEP ASSEMBLY

IDENTIFICATION

DRAWING

PART

NUMBER

side

with

201: 1N4149

0214

1"

bare wire.

1"

bare wire.

J)

1"

bare wire.

: 1N4149

diode

diode

( /1 1-3/8" Brn wire.

t-

)

Solder

the

off the excess lead lengths.

1"

"bare

1"

1-1/8" Brn wire.

1-5/8" Brn wire.

1-1/8"

Solder

off

leads to

bare wire.

wire.

bare wire.

Brn

wire

the

leads to

the

excess lead

.

(#56-56).

(#56-56).

the

foil

the

foil

lengths

and

and

.

cut

cut

1-1/8"

Brn

wire

1-3/4" Brn wire.

1-5/8" Brn wire.

1-3/8" Brn wire.

Solder

the

off

leads to

the

excess lead lengths.

1-7/8" Brn wire.

1-1/4" Brn wire.

1-1/2" Brn wire.

2"

Brn wire.

Solder

the

the

excess lead

leads to

off

.

the

foil

the

foil

lengths

and

and

.

cut

cut

II II I iII

Q .

'i I I I

!5

1

(CM

) 2

(INCHES)

, I I ,

I I

3 •

2

I

I

e

I I I

~~

I I

e

PICTORIAL 2-1

3

I I

7 8

I I I

I I

9

I I

I

10

4

I I I

I I 1 I

11

5

I.

I I

I.

12 13 14

I I I I

6

I I

I

"'

I I

17

7

I

I

~

~

1

§f!di#B*+i

The

steps

performed

in

this

area of

·

the

in

circuit

this

board.

Pictorial

are

Page 37

IDENTIFICATION

DRAWING

PART

NUMBER

( /t"

I

1-3/4"

(

v{

0211:

(

v{

0208:

(

ij'

0207:

(

/)

0213

) 1-3/8"

I

Solder
off

bare

Brn

VR10

1N4149

1N4149

: 1N4149

Brn

the

the

excess

wire.

wire.

leads

diode

wire

diode

diode

diode

.

to

lead

(#56-67}.

(#56-56).

(#56-56).

(#56-56).

the

foil

lengths.

and

cut

PICTORIAL 2-2

(. I[D209: 1N4149

0210

: 1N4149

Solder the
off

the

excess lead

leads

diode

diode

to

the

(#56-56).

(#56-56).

foil

lengths

and

.

cut

2Z>D

Page

38

The
in

kn

) R252: 100

R208: 1800

R212: 270

(Brn-Blk-Yel).

n (Brn-Gry-Red).

n (Red-Viol-Brn).

1

16: 1800

Solder

off

fJ R219: 1000 0 (Brn-Blk-Red).

the

the

leads

excess

n (Brn-Gry-Red).

to

lead

steps

this

the

lengths.

performed

area of

foil

and

the

cut

in

circuit

this

Pictorial are

board

IDENTIFICATION

.

DRAWING

PART

NUMBER

1000

R205: 1800

R210: 15

R209: 330

R214: 47

Solder

R217: 820

kn

0 (Yel-Viol-Blk).

: 1000

the

the

excess

n (Brn-Blk-Red).

0 (Brn-Gry-Red).

(Brn-Grn-Org) .

n (Org-Org-Brn).

0 (Brn-Blk-Red).

leads

to

the

foil

and

lead

lengths

0 (Gry-Red-Brn).

cut

.

R229: 390

R228: 330

R268: 1000

R277: 2.7

R278: 1000

R227: 1000

Solder

the

off

the

excess

n (Org-Wht-Brn).

n (Org-Org-Brn).

0 (Brn-Blk-Red).

0 (Red-Viol-Gold).

0 (Brn-Blk-Red).

0 (Brn-Blk-Red).

leads

to

the

foil

lead

and

lengths.

cut

PICTORIAL 2-3

R242: 910

R244: 10

R237: 220

R220: 47

LJ-Solder

(

off

kn

0 (Brn-Blk-Blk).

n (Red-Red-Brn).

kn

the

leads

the

excess

(Wht-Brn-Yel).

(Yel-Viol-Org).

to

the

foil

lead

11nd

lengths.

cut

IDENTIFICATION

DRAWING

PART

-'l'A~--Th

e

steps performed in this Pictorial are

in this area of

the

circuit board.

Page

39

23: 6.8

MD.

24: 680

kn

74:100

kn

Solder

the

off

R262: 1000

R256: 10

leads to

the

excess lead lengths.

!l

kn

(Brn-Blk-Org).

5:

270

!l

(Red-Viol-Brn).

2:

1000 n (Brn-Blk-Red).

(Blu-Gry-Grn).

(Blu-Gry-Yel).

(Brn-Blk-Yel).

the

foil

and

(Brn-Blk-Red).

cut

II

16: 1000
the
capacitor
circuit

R225: 68

R226: 6800

pF

band

(colored end)

with

board.

kn

!l

!l

: 1000

220 n (Red-Red-Brn).

10

MD.

100

kn

polystyrene. Match

on

the

band

on

(Blu-Gry-Org).

(Blu-Gry-Red).

(Brn-Blk-Red).

(Brn-Blk-Blu) .

(Brn-Blk-Yel). /

.,..,

the
the

.../

_.A

R250: 1800

R248: 1500

) R270: 10

) Solder

off

the

the

excess lead

n (Brn-Gry-Red).

!l

(Brn-Grn-Red).

!l

(Brn-Blk-Blk).

leads

to

the

foil

lengths

and

.

cut

PICTORIAL 2-4

!l

560

!l

59: 220

Solder

the

off

leads to the foil

the

excess lead lengths.

(Grn-Blu-Brn).

(Red-Red-Brn).

and

cut

Page

40

NOTE:

When
Pictorial, sol
the foil as

you install a

der

the

each

part

pins

is

part

of

each

installed

in
part
.

I~

this

to

!

(/J

8-pin

IC socket at Q201.

!v Y 8-

pin

IC socket at Q207.

8-pin

IC socket at Q208.

pin

IC socket at

14-

14-pin

IC socket at

14-pin IC socket at

R236: 1000

391).

!l

(1

0205.

0201.

0203

.

k)

control (# 10-

PICTORIAL 2-5

Page 4

1

Q216: 2N236

154).

Align

th~

tor with
cuit
leads
holes of
the
cuit boar .

foil
lengths.

theta

board.

In~r

into

.t e.

the

Circu~~.

transistor 1/

d Solder

and

cut

~

LOCATIN t

G

TAB~~)/~

·

NO
align its

Insde
an b d

bove

a f

to
lengths.

h

Y

TE: W

rt

the

C holes. Position t e

the

the

01

~

ou

en

th

the

'

flat~

into

lea s h transistor

Then

oar . ff

'I

and

cut

FLA

(RI~OR

~~

.

.

..

9 transistor .

on

the

ta:tline

ot

ff

the

o

transis-

on

the

the

corresponding
board

above

the

excess e

I

cir-

C,

B'

and

E

.

Positi~n

the

Cir

-

leads

to

the

1

ad

I

"

:'=~f.G;

. II a transistor,

msta

their

o

.

}J~

fl t on

a E B

so lead

the

T'fE]

~~~f

. ·

.'·.',.;·:·:· :·'\ .

b ard

the

o .

cor~ect

lder

the

excess

{/4';

leads

.1/4"

·,.·

'')~

,

\

,'

,.~;l/f(~

( Q202:

tl

MPSA20 transistor

801).

Q203:

2

235).

Q206: M

801).

N4121 transistor

Q217:
(#417-134).

·01).

MPS6520

PSA20 transistor 11:

M

~~;.

',

Ji~

''

'

(#417

-

(#417-

(#417

-PSA20 transistor

0 (#417-

(#417-

PICTORIAL

2-6

Page

42

The steps performed in this Pictorial are
in this area of the

JLF

C202: .01

CAUTION:
polarized

capacitors
capacitors
polarized capacitors have a positive
"

+"or

negative"-"

to use

an
specified
ic capacitors will be

in

ceramic.

There

are

both

and

polarized electrolytic

in

this kit.

are

NP capacitor

a step. All other electrolyt-

Nonpolarized

marked

marking. Be

the

polarized

non-

NP ,

when

type.

and

sure

it is

circuit

IDENTIFICATION

DRAWING

board.

PART

NUMBER

can

be

NOTE: NP capacitors
with either lead

C203: 10

C204:

C205: 56

NOTE: When you install a polarized
electrolyti c capacitor , always
the positive ( +) mark
with

the

cuit

board

mark on

(

-)

mark on

C225: 10

C234: 10

C217: 10

(

vf

C227: 10

( ) Solder

off

the

in

either

JLF

NP electrolytic.

33

pF

ceramic.

pF

ceramic.

positive ( +) mark

OR

match

the

capacitor

the

circuit

JLF

electrolytic.

JLF

electrolytic.

JLF

electrolytic.

JLF

electrolytic.

the

leads to

excess lead

hole

on

the

on

the

minus ( -)

with the

board.

the

foil

length

installed

.

match

capacitor

the

cir-

minus

and

cut

s.

- n_

When
capacitor (C231},
negative
capacitor
circuit

~-..0...• ~-.-----

1 capacitor

I

board

negative

board

"-"

lead

screen

......

- - • . - -

"-"

lead

you

install

insert

circuit

in

the

circuit

in

the

screen

C207:

22

the

the

positive"+"

board

positive

is

hole

circuit

incorrect

-----

board

positive

is incorrect.

JLF

electrolytic.

following electrolytic

lead

in

the

and

the

negative

boa d

hole

. !_he : ·

.

- ·

--

- ·

hole

circuit

and

bo

the

negative I

d hole.

--

The

1

-j

PICTORIAL

2-7

START•

When

NOTE:
capacitor,
or
positive (

color

match

dot

+)

IDENTIFICATION

DRAWING

PART

NUMBER

you

install a tantalum

the

positive

on

the

capacitor

mark

on

l<l.;~~l~TR

the

board

(+)

with

·mark,
the

.

+

CONTINUEO

(

rrC

215: 1

J.L

the

capacitor

circuit

F film .

board.

on
the

Match

with

the

Page

the

band

43

band

on

C221: 10

C224: .01

Solder

the

off

the

excess

POSITIVE

J.LF

NP electrolytic.

J.LF

ceramic.

leads

to

the

lead

lengths.

MARK

foil

and

1+1

cut

12: 100 pF

680

33: 22

C222: 200

5600

5600

Solder

the

off

the

excess

ceramic

.

0 , 1-watt (Blu-Gry-

kO

, 2-watt.

pF

ceramic

.

0,

2-watt

(Grn-Blu-

0 , 2-wa

leads

to

lead

tt

(Grn-Blu-

the

foil

lengths.

and

cut

PICTORIAL

2-8

Page 44

START•

NOTE: Solder
each

part

is

the

installed

pins

.

to

the

foil

as

~

R211 : 5000 n (5 k)

(

904).

(

.;

) R231: 500 n

( ) R247: 500

(J ) R251 :

( R257:

2000fi

398).

1000 n (1

936).

n

control

control

(2

k)

k)

control

(#10-918)

(#10-918)

control

control

(#10-

(#10

(#10

.

.

-

-

PICTORIAL

2-9

Align

the

pin 1 end

index

mark

install
sistor.

on

each

.,:·

.

:::'~1'-~

'

':

.:·:

.'

:

:'~fJ#LI:

SMALL

I

~

PIN

1

the

circuit board

integrated

~

kr~.~

of

the

IC

with

PIN l

or

as

tran-

circuit

J-ND

::

,

l:f.\

{.'

:

:·

~i

~

the

you

Page

45

I ~

~~

PIN

l

Q201:

Q207:

2

oa

Q

02

02: 74132 IC

0204

)

0205: 74121

0201: 7474

0203: 74122

Pllll

5566

transistor

5566

transistor

:

5566

transistor

: 7413 IC

IC

(#443-625)

(#443

IC

(#443-22)

(#443-6)

IC

(#443-23).

f

~

.

(#417-902).

(#417-902)

(#417-902)

-44).

.

.

.

.

.

PICTORIAL 2-10

Page 46

Refer to Pictorial2-11 (Illustration Booklet, Page
the

follow~ng

SW5-R10-R11: Refer to
the
controls ( #63-1315)
board

1.

Carefully
with

2.

Fit
time,

pins

Then

steps.

rotary

as follows:

their

the

pins

into

and

push

switch

align

holes

of

their

the

the

Detail2-11A

with

5000

at

its

the

pins

of

in

the

circuit

each

switch

board

holes

pins

of control R11 are

switch

down

!1

location

the

front wafer

board

wafer,

until

tight

and

(5k)

on

the

.

one
all

the

against

and

wafer

switch

in

circuit board.

3.

Carefully

only

spect
are
board.
push
solder
to

the

the

these

tight

If

the

all

foil.

turn

end

pins

switch

against

they

are not,

switch

the

remaining

the

circuit

in
pins

the

printed

tight

board

each

to make

reheat

against

switch

wafer

sure

side

the

the

and

over

and

to

the

foil. In-

all

the

of

the

connection

board.

control

Detail

7)

for

mount

10k

circuit

(A)

at

a

place

the

solder

pins

circuit

and

Then

pins

2-11A

( J)

( ) ) Remove

( )

.

")

(

Prepare

from

one

Connect

switch
(S-1).
cuit

SW5 wafer A

Connect

board

Remove
from

one

Connect
switch
(S-1).

Connect

cuit

board

the

following

brown

3-1/4" 3-1/4"
2"
2-1/4" 4-1/4"
2"

an

extra 1/2" of

end

of a 3-1/4" Brn wire.

the

longer

bared

through

the

other

end

hole

B9

(S-1).

an

extra 1/2" of

end

of a

2"

Brn wire.

the

longer

SW5 wafer B

the

bared

through

other

end

hole A9 (S-1).

wires:

3-1/4"

insulation

end

of

lug

5 (S-2) to lug 4

of this wire

insulation

end

of
lug 4 (S-2) to
of this

(total 3/4")

this

wire to

in

(total 3/4")

this

wire

lug

wire

in

cir-

to

5

cir-

0

I

0

1(8

II,,

5

I I

y.

I

3~8

it

(INCHES

a;.

Y2

7 / 8

5re

I

I

I)

1

(CM

I

I

I

I

I

I

I

) 2

I

3

)

2 3

I

I

I

I I I I

I

I

I

I

5 6 8

I I I I

I

I

I

I

I

I

9

I I

4

I I I I I

I

I

10

I

I

,

I

5 6

I

I

'

I

I

12

13

I

I

I

I

14

I

I

I

I I

I

I

"' "'

I

I I

7

I

I

I

17

®

~

f¥f*SP#B*i?iJ

4-40

NUT

@_~

#4 LOCKWASHER

Page

47

(

~

onnect

wafer E

(

v(

Connect a 2"

/ lug 8 (S-1)

(/)

Connect

)

wleD9

(

~

Connect a 3-1/4"

j ole M (S-1)

M

Connect
holeD8

~~~

_:;---

Refer

to

following steps.

( ) / Prepare a

[

<Vj'

Connect a 3"

(S-1)

(

~

Connect

(S-1)

f/D

the

to

to

lug

(S-1)

(S-1) to

c;

inset

control

control R11

a 2-1/4"

to

a 3-1/4" Brn

a 4-1/4"

Brn

9 (S-1) to

Brn

wire

control

to

switch

Brn

to

switch

Brn

switch

./

\ "?

drawing

3"

and a 2"

Brn

wire

R11lug

a

2"

Brn

wire

wire

from

control

from

switch

Rll

lug

wire

from

SW5

waferD

wire

from

SW5 wafer E

wire

from

SW5

waferD

on

Pictorial 2-11 for

Brn

wire.

from

circuit

2 (S-2).

from

circuit

lug

3 (S-2).

switch

R11

lug

SW5 wafer E

2 (NS) .

circuit

lug

circuit

lug

circuit

lug

board

board

Detail 2-11B

SW5

3 (NS).

board

5 (S-1).

board

4 (S-1) .

board

4 (S-1).

the

hole

J

hole

I

Connect

R12:
resistor from
control
sleeving

Rll

on

a 1000

switch

lug

1 (S-1). Use a 5/8"

each

lead.

( 4 Refer to Detail 2-11B

grooves
#4

Refer

(

)V

transistor
1/4" hardware. Be
transistor

In
transistor (#417-834)

Q215: Place a
lead
and C leads

sponding

Q215.
with
transistor

lead

Q214:
transistor

Q21!

in

the

X 3/8" screw.

to

Detail 2-11B

(#417-834)

are

positioned

the

same

manner,

of

one

of

of

holes

Secure

two

#4

leads

lengths

In

on

the

and

the

.

circuit

bottom

sure

short ferrite

these

transistors.

the

transistor

in

the

the

heat

x 3/8" screws.

to

the

same

a short ferrite

0,

1/2-watt (Brn-Blk-Red)

SW5 wafer E

and

of

both

and

install

on a heat

the

beveled

as

install
on

a hea:t sink.

circuit
sink

foil

and

manner, install

board.

lug

prethread

heat

sinks. Use a

an

sink

with

edges of

shown.

another

bead

on

Insert

into

their

board

to

the

circuit

Then

cut

off

bead

at

5 (S-1)

length

MPSU10

MPSU10

the

at

solder

the

the

to
of

the

two

4-40 x

the

center

theE

, B,

corre-

location

board

the

excess

other

Iscation

Page

Refer

48

to

Pictorial 2-12 for

the

following steps.

12"

Grn

wire

to

hole

E (S-1).

( ) Prepare

8"

Org

the

following wires:

6-1/2" Wht-Blk
6-1/2" Viol
6-1/2" Wht-Blu
4-1/2" Blk

later.

wire

end

to

Connect only one
the

horizontal circuit

connected

8"

Org

6-1/2" Wht-Blk

(

./)

6-1/2" Viol

(

;;

6-1/2" Wht-Blu

/(

4-1/2" Blk

(

(J )

8"

Red

wire

wire

wire

to

( j ) 7-1/2" Wht-Viol

8"

Red
7-1/2" Wht-Viol
9-1/2" Wht-Yel

9-1/2" Wht-Gry

of

each

of

the

following

board. Their

hole

K (S-1).

wire

to

to

hole

wire

to

to

hole(~)

hole

B (S-1).

wire

to

hole

AA

hole

hole

free

L (S-1).

(S-1).

BB

ground

N (S-1).

ends

(S-1).

(S-1).

wires

will

to

be

12" Wht-Org

12" Wht-Red

12"

Remove
one
gray
of each
two

Connect
the

foil

ends

will

10" Blu

Wht

end

prepared

steps.

only

side

be

wire

wire

wire

to

an

extra 1/2" of

(total 3/4") of

wires. Pass

wire

through

one

end

of

the

horizontal

connected

wire

with

to

hole

F (S-1).

to

holeD

hole G (S-1).

insulation

the

remaining

the

the

ferrite

of

the

two

circuit

later.

a long ferrite

(S-1).

9-1/2" Gry

Xl

(S-1).

wire

with

a long ferrite

CIRCUIT BOARD CHECKOUT

Carefully

inspect

the

circuit

board

conditions.

(S-1).

from

only

blue

and

longer

bead

bared

in

the

end

next

following wires to

board.

for

bead

bead

the

Their

free

to hole

X2

to hole

following

(

~

(

1'9-1/2"

( ) Prepare

Connect
the

horizontal

connected

~

)

Jil

ij

II II

Q .5 1

9-1/2" Wht-Yel

Wht-Gry

the

following wires:

7"

Wht-Brn

8"

Wht-Grn

9"

Brn
8-1/2" Yel
12" Grn

only

one

end

circuit

later.

8"

Wht-Grn

7"

Wht-Brn

9"

Brn

8-1/2" Yel

1 I I I

(CM)

wire

2

wire

wire

to

wire

I I I I

3

wire

to

hole

wire

to

hole

12" Wht-Org
12" Wht-Red
12"

Wht
10" Blu
9-1/2" Gry

of

each

of

the

board.

hole

to

(INCHES)

Their

to

hole

to

hole
EXT (S-1).

hole

Ill

P (S-1).

Q (S-1).

R (S-1).

C (S-1).

A (S-1).

following

free

ends

I I

e

wires

to

will

be

3

0 I 0 I 0

I I I

8

Unsoldered

Poor

solder

Solder

Protruding

Transistors

Electrolytic capacitors for
of

the

( ) Diodes for

tion

of

( ) IC's for

There
board
aside

Save

1

I I

1

9

are a

that

temporarily.

the

remaining

4 5

I 1

1

10

11 1'2

connections

connections.

bridges

leads

for

positive (

the

the

banded

the

proper

number

will

be

~

I,

,

1

1

1

between

which

the

proper

+)

end.

proper

end.

type

of

unused

used

later.

parts

,,

I

1

1

13

type

for

,.

.

foil

patterns

could

type

the

and

and

installation.

holes

Set

use

later. J

\ ,

,1

14

touch

and

installation

correct

the

correct posi-

in

the

circuit

6

~

,

I 1

1

1~

.

together.

position

the

circuit

board

~

, J ,

1

HS

1

1

11

.

j

1

I

1

ORG

:::;;~L~K===-

~OL

=

~T-

--==~

=WHT-GRN

BL

U

RED

WHT-VIOL

WHT-YEL
WHT-GRY

W HT-

BR

N

-==---

---======F~

Page

49

GRN

==

W H T

OR

G

WHT-RED

WHT

PICTORIAL 2-12

BLU

GRY

Page

50

POWER SUPPLY
CIRCUIT BOARD

Open

the

pack

the

following
numbers
Pictorial

marked

list.

on

the

(Illustration

#3

The

key

Power

Supply

Booklet, Page

and

check

numbers

each

correspond

Circuit

8).

part

Board

PARTS LIST

against

to

the

Parts

To

order a replacement

inside

the

"Heath

rear

Parts

cover.

Price

part,

For

List."

see

prices,

"Replacement

refer

to

the

= :

11

Parts"

separate

QTY

KEY

No

.

HEATH

Part

No.

. DESCRIPTION

CIRCUIT
Comp. No.

RESISTORS

All

resistors are

5%

(fourth band

gold)

unless designated 10%

(fourth band silver).
NOTE

: The resistors may

velope (stamped RES). Open

be

packed

all

in

more than one en-

the resistor envelopes

pack before you check the resistors against the Parts

1/2-Watt

A1

6-510

A1

6-471 470

A1

6-511 510

A1

6-

561

A1

6-102

A1

6-152

A1

6-182

A1

6-222

A1

6-432

A1

6-472

A1

6-562

A1

6-682

A1

6-103 10

A1

6-123

A1

6-153

A1

6-183

A1

6-273

A1

6-473

51

n (Grn-8rn-81k)

fi

(Vei-Viol-8rn)

fi

(Grn-8rn-8rn)

fi

(Grn-81u-8rn)

560

1

1000 n (8rn-81k-Red)

3

1 1500
3

1 5600
2 6800

1 12

2 15

2 47

n (8rn-Grn-Red)

1800 n (8rn-Gry-Red)

2200

fi

(Red-Red-Red) R317

fi

(Vei-Org-Red)

4300
4700

n (Vel-Viol-Red) R315
n (Grn-81u-Red) R316

fi

(81u-Gry-Red) R335, R336

k!l

(8rn-81k-Org)

k!l

(8rn-Red-Org)

k!l

(8rn-Grn-Org)

18

k!l

(8rn-Gry-Org)

kfi

(Red-Vioi-Org)

27

k!l

(Vei-Vioi-Org)

R322
R332
R325
R307
R311
R320
R341
R312, R313,
R342

R334

R331
R326
R328, R329
R321
R327
R318, R338

in

this

List.

, R314,

No

QTY.

.

KEY
No

.

HEATH
Part

Resistors (Cont'd.)

A1

6-104

A1

6-474 470

A1

6-105

3

Other Resistors

A2

1-30-1

A2

A2

A2

A3

1-32-1

3-5-2

3-11-2

5-1-3

3

CAPACITORS
Ceramic

81

21-33
81
81
81

21-120

21-141

21-16

2 500 pF

DESCRIPTION

CIRCUIT
Comp.

100

k!l

(8rn-81k-Vel)

k!l

(Vel-Viol-Vel)

1

M!l

(8rn-81k-Grn)

k!l

, 1-watt, 10% (Red-

220
Red-Vel)

k!l

, 1-watt, 10% (Vel-

470
Viol-Vel)

n,

2-watt, 10%

2.2
(Red-Red-Gold)

3.9

n,

2-watt, 10%

(Org-Wht-Gold)

2100 n (2.7

3-watt, 10%

3.3 pF C317

.0033
.

01

J.LF

J.LF

k!l)

,

R319,

R339
R324
R323

R308

R301, R309
R310
R302

R303

R306

C314,
C319
C318

No

R333

C315

.

,

,

Page

51

KEY

HEATH

No

. Part No.

Other

Capacitors

B2

28-2
27-47

B3
B4

23-115

25-837

B5

25-288

B6

B7

25-241

QTY. DESCRIPTION

1 .1
3

3 1.5

1 25
4

DIODES

C1

56-26 1 1

C1

56-56

C1

56-89

C1

56-634 2 2EZ8205

C1

57-27

C1

57-52

7 1N4149

1 G0510

8 IN2071

2 007

1 pF phenolic (Brn-Bik-Wht)

JLF

Mylar

.1

JLF

paper

JLF

Tantalum

JLF

electrolylic

JLF

N191

electrolytic

(Brn-Wht-Brn)

1200

CIRCUIT
Comp. No.

C312
C316
C301

, C302,

C303

C309, C310,
C311
C320
C304, C305,
C306, C307

0314
0312, 0315,
0316, 0318
0319,

0320,
0321
0313
0311,0317
0303, 0304,
0305, 0306
0307, 0308 ,
0309, 0310
0301, 0302

QTY.

KEY HEATH
No. Part No.

TRANSISTORS-INTEGRATED

DESCRIPTION CIRCUIT

Comp. No.

CIRCUITS

(IC's)

NOTE: Transistors and integrated circuits are marked for iden­tification

in

one of the following four ways.

1.

Part number.

2.

Type number. (On integrated circuits this refers only
to the numbers and letters listed. Any additional

on

an

IC

letters or numbers

are not significant.)

3. Part number and type number.

4.

Part number with a type number other than the one
listed.

01

417-237 2 SE6020 transistor 0301,

01

417-295 1

01

417-811 4

02

442-617
442-618

02

MPSL51 transistor
MPSL01 transistor

2 UA78 U301, U302

UA79

0302
0305
0303, 0304
0306, 0307

U303

MISCELLANEOUS

E1
E1
E2
E3
E4
E5

10-312

10-941
215-629
250-49
252-1
254-7

1 0

kn

control R340

1 00

kn control

3 Heat sink
6 3-48 x 1 /4" screw
6 3-48 nut

#3

6

lockwasher

R330

PART FROM FINAL PACK

E6

85-2045-1

354-7

1 Power supply circuit board

6 Cable tie

Page

52

) R312: 1800 n [Brn-Gry-Red).

STEP-BY-STEP ASSEMBLY

The

steps performed

in

this area of

in

the

circuit board.

this Pictorial are

IDENTIFICATION

DRAWING

) R315: 4700

0315

Solder

off

the

n [Yel-Viol-Red).

: 1N4149

the leads to
excess lead

diode

diode

the

[#56-56).

[Brn-Wht-

foil

lengths

R336: 6800 n [Blu-Gry-Red).

1N2071

: 1N2071

der

the leads to

the

excess lead

n [Blu-Gry-Red).

diode

[#57-27).

diode

[#57-27).

the

foil

lengths

R335: 6800

0304:

0303

Sol
off

and

.

and

.

cut

cut

17:

off

the

0306:

)

0305

Sol

der the leads

off

the

2200

n [Red-Red-Red).

the

leads to

the

foil

excess lead lengths.

4300

n [Yel-Org-Red).

1N2071

: 1N2071

diode

diode

to

the

[#57-27).

(#57-27) .

foil and

excess lead lengths.

and

cut

cut

.

0

11{

0

ii

iljiiii)

.

8 I

~

14

Y:.

S(B

3~8

I

I

1

(CM)

%

I

7(8

I

I

2 3

PICTORIAL

{INCHES)

1

1

I

I

I

I

I

2

I

I

I

I

~

I I

I

I

I

e

3

I

I I

I

I

7

I

I

I

8

I

I

..

3-1

7

I

I

I

I

17

I

I I

I

I

"'

6

I

I

I

1e

4

I

I

I

I

10

I I

I

I

I

11

5

I

I

I I

I

I

I

12

I I

I

I

I

I

,.

13

The

in

steps

this

performed

area of

in

the

circuit board.

this

Pictorial

are

r

IDENTIFICATION

DRAWING

:;:===

=======l

Page

53

. J J(

Is

R327: 27 k!l (Red-Vi ol-Org).

0318:

{

0319

(

tJ

0316

(

....-) R323: 1

/)

Solder

(

off

the

0310

0309

0308

1N4149

: 1N4149

: 1N4149

: 1N2071

: 1N2071

: 1N2071

1\1.0.

(Brn-Blk-Grn).

the

leads

excess

diode

diode

diode

to

lead

diode

diode

diode

(#56-56).

(#56-56).

(#56-56).

the

foil

lengths.

(#57-27).

(#57-27).

(#57-27).

and

cut

.342: 1800 n (Brn-Gry-Red).

R332: 470

./

(

IA""R

333: 100 k!l (Brn-Blk-Yel).

Solder the

)

off

0301: 007

R324: 470 k!l

Solder
off

n (Yel-Viol-Brn).

leads to

the

excess

diode

2:

1N4149

the l

eads

the

excess

lead

(Yel-V

diode

lead

the

foil

lengths

(#57-52).

iol-Yel).

(#56-56).

to

the

lengths

foil a

and

.

nd

.

'

cut

cut

0307

Solder
off

the

: 1N2071

the

leads

excess

diode

to

lead

(#57-27).

the

foil

lengths

and

.

cut

PICTORIAL 3-2

Page

54

START•

NOTE:

When

align

its flat

with

the

Insert
and
above

to

lengths .

leads i

C holes. Position

the

board.

the

foil

and

you install a transistor,

the

flat

on

the

board.

nto

their correct

the

Then

cut

off

FLA

TIE]}

transistor 1/4"

solder

the

E,

B,

the

leads

excess lead

+ +

i

8 ).

295).

Q302: SE6020 transis tor (#417-

237).

Q301: SE6020 transistor

37).

Q307: MPSL01 transistor (#417-

811).

~~:~

:i

: MPSL01 transistor

: MPSL01 transistor (#417-

: MPSL51 transistor (#417-

3-watt.

(Org-Wht-

2-watt

(#417

(#417

-

-

PICTORIAL 3-3

R308: 220

Yel).

2.2

R310: 470

Yel).

Solder

the

off

leads to

the

excess lead lengths.

kfl,

1-watt (Red-Red-

n, 2-watt (Red-Red-

kfl

, 1-watt (Yel-Viol-

the

foil

and

cut

Page 55

C312: 1 pF
Wht).

"

l,V'

C317: 3.3 pF ceramic.

(..t C319: .0033

NOTE

: When
capacitor, match
or

color

positive ( +)

dot

C311

: 1.5

) C310: 1.5

) C314: 500

] C315: 500 pF ceramic.

) Solder

off the excess

you

on

mark

!LF

ILF

the

phenolic

JLF

install a

the

the

capacitor

on

tantalum

tantalum

pF

ceramic.

leads

lead

cer

amic

positive

the

circuit board .

.

.

to

the foil

lengths

(Brn-Blk-

.

tantalum
(+)mark

with

the

and

cut

.

PICTORIAL 3-4

Page

56

NOTE:

When
tic capacitor,
mark

on

+)

mark

C305: 1200

C307: 1200

C303: .1

the

on

When

, match

with

(

NOTE:
capacitor
capacitor

PULL~END

ROUGH

SIDE~

t

CABLE

TIE-/

CATCH

~

&SS

ff.._.CUT

'i?V=

you install
match

capacitor

the

circuit board.

JLF

electrolytic.

JLF

electrolytic.

you install a

the

the

band

JLF

paper.

CIRCUIT

Detail 3-5A

an

electroly-

the

positive (

with

the

band

on

the

positive

paper

on

the

circuit

BOARD

+]

OFF

C302: .1

C301:

C320: 25
the
capacitor
mark
negative
capacitor
mark

( \1 ) C306: 1200

C304: 1200

Solder
off the excess

Refer to Detail3-5A
six cable ties
board holes
and
capacitors. Be
of
capacitor. Fit
through
cable
excess cable tie.

JL

.1

JLF

positive (

on

the

on

the

the

tubular

the

cable tie is

the

tie

F

paper

.

paper.

JLF

electrolytic. Match

+)

the

board

(-)

mark

the

board.

JLF

electrolytic.

JLF

electrolytic.

to

lead

through

and

around

sure

the

catch

Then

mark

positive (

or

match

negative

the

foil

lengths

and

the

electrolytic

the

rough

toward

cable tie

and

cut

with

with

leads

tight.

on

on

and

.

install

circuit

the

paper

pull

off

the

+)

the

the

(-)

cut

the

side

the

end

the
the

PICTORIAL 3-5

Page

57

~~EI;IIIIII;I~~~~~---------------------------------------------------------------

-c::::::J

-c:::::::J

~G

o=S'~

~

-{lm~

~a

Refer

to Pictorial 3-6 for

-c:::J

L:::J-

6

oo

or'-----------',1

the

-c=:J-

_l_

:

POWER

CIRCUIT

following steps.

SUPPLY

BOARD

+

I+

PICTORIAL 3-6

I

HEAT

SINK

I

(I U303:

(#442-618)
board.
mark
in

their

the

IC

its

pins

(

r./

Refer
location U303
sure to
rial 3-6.

/'

Now

i

off

the

[

~

)

U301:

(#442-617)
Position

(

YJ

U302:
(#442-617)
Position

RefertoDetail3-6A

at

location

Match

on

tight

to

solder

In

the

the

circuit

holes

in

against

at

this

time.

Detail 3-6A

with

position

excess

the

In

the

the

the

pins

pin

the

same

and a heat

heat

the

same

and a heat

heat

notch

board

the

circuit

the

and

3-48 x 1/4"

heat

ofthe

lengths.

manner,

sink

manner,

sink

and

install a UA79IC

U303

in

board

sink

sink

as

sink

as

on

the

IC

and

insert

board.

but

mount a heat

as

shown

IC

to

the

install

at

location

shown.

install

at

location

shown.

the

with

the

the

IC

Then

do

not

sink

hardware.

in

foil

and

a UA78

a U78 IC

circuit

index

pins

press

solder

at

Be

Picto-

cut

IC

U301.

U302.

Detail 3-6A

Page

58

CIRCUIT BOARD CHECKOUT

Carefully

inspect

the

circuit

board

conditions.

Unsoldered

solder

Poor

Solder

Protruding

Transistors for

connections

connections.

bridges

leads

between

which

proper

.

the

could

type

for

the

following

foil patterns.

touch

together.

and

installation

( ) Electrolytic capacitors for

the

of

positive (

( ) Diodes for

tion

of

the

( ) IC's for

There
board

are a

which

proper

number

will

+)

the

proper

banded

type

of

be

used

end

end

unused

.

type

.

and

installation

later.

the

correct position

and

the

correct posi-

holes

in

the

Set

the

circuit

.

circuit

board

aside temporarily.

.

[[!

~

'if*ifih*ii

CHASSIS

Open

the

pack

marked
remaining
ing list.
bers

(Illustration Booklet,

on

The

the

parts

key

Chassis

in

the

numbers

and

#4

and

check

final

pack

corresponding

Final

Pack

Pages 9 and

these

against

the

to

Parts Pictorial

10).

PARTS LIST

and

follow-

the

the

num-

To

order a replacement
inside
"

Heath

the

rear cover. For

Parts

Price

part

List."

, see

"Replacement

prices

, refer to

the

Page

59

Parts"

separate

KEY

HEATH QTY. DESCRIPTION CIRCUIT

No

. Part

CIRCUIT

A1

A1

A2

A3

A4

AS

AS
A6

A7

AB

A9
A10

A11
A12

No.

COMPONENTS

6-473

6-104

1-31-1

5-2-3
3-12-10 1 500
10-1118

10-1119

25-228

54-953
60-2
60-4
60-54

60-73
60-624
411-815

47 k.n, 1 /2-watt
(Yei-Vioi-Org) resistor
100
(8rn-81k-Yel) resistor
330 k.n ,1-watt,10%
(Org-Org-Yel) resistor
270

3 1 000 n ( 1

1
1 00-1 00-300
electrolytic capacitor

Power transformer

1

DPDT 2-position slide switch

2 SPOT 2-position slide switch

DPDT 120V-240V
slide switch
DP3T 3-position slide switch
DP4T 4-position slide switch
5DEP31 F cathode ray
tube (CRT)

k.n

, 1 /2-watt

n,

3-watt, 1 0% resistor

n,

1 0-watt, 1 0% resistor

k)

control

M!l

control

ILF

Comp. No.

R13
R16

R17

R15
R14
AS

, R7, R8

R6

C3 A, 8 ,C,

T1

SW9
sw7,

SW8

SW10

SW6
SW4
V1

KEY HEATH

Part

No.

QTY. DESCRIPTION CIRCUIT

No.

Comp.

Circuit Components (Cont'd.)

412-15 NE2H pilot lamp

.•

A13

A14 421-20

1 /2-ampere, 3AG,

slow-blow fuse

PL1
F1

HARDWARE

NOTE: The hardware may be packed

velope (stamped HDW). Open all the hardware envelopes

according to size before you check the hardware against the
Parts List.

#4

Hardware

81

250-375 2

82

252-15 2

83

254-9 2

4-40 x 5 /16" flat head screw
4-40 nut

#4

lockwasher

in

more than one

en-

No.

Page 60

KEY HEATH QTY. DESCRIPTION
No.

Part No. Comp. No.

#6

Hardware

250-1282

C1
C2 250-1164 6

250-138

C3

250-365 2

C4

250-1157 12

C5

250-32

C6

250-89 12

C7

250-1101 1

C8

250-591

C9

C10 250-1203

250-29 2

C1

1

252-3 25

C12

252-22 2

C13

254-1 26

C14

255-63 3

C15

259-1 3

C16

#8

Hardware

250-1138 8

01

254-4 4 8-32 nut

02

252-68 8

03

254-2 4

04

6-32 x 1/8" black setscrew

9

6-32 x 3
6-32 x

17

#6
washer head screw
6-32 x 1/4" hex stud
6-32 x

2

6-32 x 3/
6-32 x 3/8" T-bolt

#6

5

#6 x 9/16

1

6-32 x 3/4" screw

6-32 nut

6-32 push-on nut

#6
6-32 x
#6

/1

6" flat head screw

3/16" screw

x 1/

4"

hex F4 204-2314

3/8

" flat head screw

8"

screw

x 1/2" screw

" screw

lockwasher

2"

threaded spacer

solder lug

#8

x 5/

8"

hex washer

head screw

8-32 push-on nut

#8

lockwasher

Other Hardware

10-32

252-5 2

E1

254-37 2

E2

252-73

E3
E4 252-7 5

253-10 7

E5
E6 254-4

4

nut

#10

lockwasher

5/16" push-on nut
3/8" nut
3/8" flat washer
3/8" lockwasher

LINE CORD - HARNESS - CABLE

89-54

134-237 Cable with connector

134-1021 Harness

Line cord

CIRCUIT KEY HEATH

No. Part No. Comp.

METAL PARTS

F1

200-1348
204-2141

F2

204-2313 2

F3

F5 206-1216

206-1274 1

F6

207-1 2

F7

MISCELLANEOUS

G1

73-5

G2 73-34 2

73-45 7 Plastic grommet

G3

75-52

G4

75-754

G5

75-771 4

G6

92-609

G7 92-679

211-49 Handle
260-16 2

G8

261-1 3 Foot

G9

266-991

G10

~

00-18

351-9

G11

354-5
413-10

G12

414-36

G13

422-1 Fuse block

G14
G15 431-82
G16 434-41

436-11 3 Red socket

G17

436-22 1

G17

462-1049 2

G18
G19 462-1055

462-1059 4

G20

490-14

G21

205-778

G22

QTY. DESCRIPTION

Chassis

1 Front panel bracket

CRT bracket
Circuit board bracket
CRT shield
Input shield
CRT clamp

3/4" x 5" rubber strip
Red

alligator clip insulator

Slide switch insulator
Line cord strain relief
Slide switch cover
Cabinet shell
Cabinet front

Alligator clip

4 Plastic spacer

Felt strip

1

Epoxy glue packet

2 Cable tie

Red lens

Graticule

Terminal collar

1 CRT socket

Black socket
Red knob

2 Large black knob

Small black knob with skirt

Allen wrench
Alignment tool blade

(2-1/2'1

CIRCUIT

No

J3, J4, J6
J5

.

STEP-BY-STEP ASSEMBLY

Refer

to Pictorial4-1 (Illustration Booklet, Page 11) for

steps

the following

)

Position
side

of

ymn

left.

(

/

)

~

fer

to

met

in

.

the

chassis as

the

chassis.

Detail4-1A

hole

BA from

shown.

The

front of

and

install a plastic

the

top

of

This

the

the

chassis

is

the

is

grom-

chassis.

top

to

ft

6-32 X

@

Detail 4-1B

3/16"

SCREW

Page

61

POSITION
PORTION
INTO

In
following chassis holes.

(

~

the

THE

same

THE

SMALL

OF

THE

SHASSIS

manner,

GROMMET

HOLE.

Detail 4-1A

install

c /

B/

NOTE:

hardware is specifically

Use

the

flat head

BEND

THE

LARGE

OF

THE
INTO
PRESS IT FIRMLY INTO
PLACE.

screws

called

GROMMET

THE

plastic

only

for

SMALL PORTION .

in

PORTION

OVER

grommets

when

a step .

AND

in

the

flat head

( ~ Refer to Detail 4-1B

on

top

of

the

chassis

3/16"

screw

and

a 6-32 nut.

lug

as

(/ Refer

on

the
6-32 x 3/16"
solder

In

the

location

shown

to

bottom

same

.

Detail4-1C

of

screw

lug

as shown.

manner,

P.

'f

the

6-32

I

,

c;o!f:i\iffl,lflf~

I

and

mount a #6

at

location K with

Position

and

mount a #6

chassis

and

at

location N with

a 6-32 nut.

install a #6

X 3/16"

SCREW

!':,o

solder

lug

a 6-32 x

the

solder

solder

Position

solder

:;~~~

~F

lug

lug

a

the

at

Detail 4-1C

Page

62

( ) Refer

1/4"
location
nut.

In

the

same

studs

at

(

CB

cc

( /)

( I

CD

CE

C

;Jl

CF

CG

~

~

( )

CH

( )

CJ

( )

CK

)

(

CL

( )

CM

to

hex

This

manner,

the

following

Detail4-1D

stud

on

the

CA

with a #6

stud

will

loosely

chassis

@ 6-32

~#6

and

loosely

bottom

lockwasher

be

tightened

mount

holes

NUT

LOCKWASHER

mount

of

6-32 x 1/4"

.

the

and

later.

a 6-3 2 x

chassis

at

a 6-32

hex

K Refer

threaded
location

lockwasher.

Detail

to

Detail 4-1F

spacer

Q. Use a 6-32 x 3/8"

on

4-tE

the

and

bottom

install

of

screw

a 6-32 x

the

chassis at

and a #6

2"

(

vJ

Refer to
nut

in

of

the

use

the

(

In

the

v/ locations

( / ) Install

the

flat

chassis.

Detail4-1D

Detail4-1E

the

slot

nut

is

on

two

6-32

same

manner,

J,

L,

an

8-32

side

of

tlh

6-32 X

llJI

HEX

at

location

the

bottom

push-on

and

M.

push-on

the

nut

1/4"

STUD

and

install

H. Be

of

the

nuts

install8-32

nut

at

on

the

rear

an

8-32

push-on

sure

the

flat

side

chassis. Do

at

this

push-on

location T with

(outside) of

not

time.

nuts

the

at

In

the

spacers

same

manner,

at

locations

"

'

~iiH~,~-~~~i~~;

install6-32 x 2"

Rand

. f 6-32 x 3/8"

threaded

S .

SCREW

~:;~~I

~f

J';~LOCKWASHER

6-32 X 2"

SPACER

( · )

In
locations U, X,

the

same

manner,

andY

install8-32

on

the

rear

push-on

of

the

nuts

at

chassis.

Detail4-1F

Page

63

~

10:

Refer
120V-240V
chassis
screws. Be
lugs
the

at

with

the

front of

to

Detail4-1G

slide

switch
location
sure

the

bare

wire

the

chassis.

SW10

switch

between

~

6- 32 X 3/16"

and

on

is

the

with

~

mount

positioned

the

bottom

6-32 X 3/16"

them

is

DPDT

of

the

so

the

toward

Detail4-1H

BARE

WIRE

Detail4-1G

Refer

to

Detail 4-1H

on

the

bottom

; -32 x 3/8" hardware.

( ..{ Refer

;h

(

.!]'

; bracket

to
ray tube)
either

In

of

ardware.

the

of

Detail4-1J

bracket

the

V1

same

manner,

at

the

I

Install a 6-32
CRT

f

nut
shown

bracket. Be

is

up

on

push-on

and
Pictorial 4-1.

and

mount

the

chassis

and

mount

on

the

top

locations. Use 6-32 x 3/8"

install

remaining

sure

that

nut

that

each

V1

nut

the

at

location

a CRT (cathode

of

the

the

other

location

on

the

top

the

flat

side

is

positioned

fuse

chassis

.

block

F1

of
of

with

at

CRT

each
each

as

@ @

~/

~@#6

0

® ®

Detail

4-lJ

6-32

~

\\

n

6-32

I

CRT

SCREW

BRACKET I

NUT

LOCKWASHER

x 3/8"

Page

64

Detail

4-lK

Detail

( ) C3: Refer to Detail 4-1K

JLF

100-300

the

top
inset
positions

( ) T1 : Refer to Detail 4-11

transformer ( #54-953)

lockwashers

the

transformer so

located

RefertoP"1orial4-2 (Illustration Booklet, Page 12) for
the f owing

Refer

lens

in
push-on
positioned

tight

(v }/pLl:

Push

pilot

electrolytic capacitor (#25-228) on

of

the

chassis at

drawing

as

to

hole PL1

against

lamp

which

from

the

and

shown.

steps.
Detail 4-2A

nut. Be

as

shown

the

the

pilot

lens.

4-lL

and

location

shows

bottom

8-32 nuts. Be

the

in

sure

chassis.

of

and

at

location

proper

and

install

the

chassis

the

slot

before you

lamp

all

mount

C3. Refer to the

the

the

mount

sure

color wires are

the

the

capacitor lug

chassis.

the

power

T1

with

to

position

the

pilot

with

a 5/16"

in

the

lens

push

the

way

into

100-

#8

lamp

nut

the

is

Refer to Detail 4-2A
lar

onto

the

pilot

lamp

even

with

the

end

minal

collar so its

and

push

lens

of

the

lens.

lugs

are located as

the

terminal

until

the

Position

col-

collar is

the

ter-

shown.

Detail 4-2A

efer

to

the
install a
cal circuit
side
chassis.

of

split

the

Detail 4-2C

inset

drawing

bearing (furnished

board

parts)

in

bearing

must

be

on

Pictorial 4-2

with

hole

R4A.

on

the

the

The

inside

Page

and

verti-

wide

of

65

the

#4

Detail 4-2B

((.)""' SW4: Refer to Detail4-2B

4-position
4-40 x 5/16" flat head
be

mounted

~

SW6

3-position
6-32 X 3/16" flat head screws.

(

v{

SW7:
2-position
tion

slide

either

'

Refe,

to

slide

In

the

slide

the

switch

switch

Detail

switch

same

switch

so its

hard

way.

4~2C

manner,

lugs

(

~

Refer to Pictorial4-3 (Illustration Booklet, Page 13) for
the

the

hole

R4B

follcSwing

same

steps.

l

T

urn

the

LOCKWA~

4-

40

NUT~

and

mount

at

location

ware. The

and

at

location

install

at

location

are

located

the

SW4

switch

imtall

SW6

an

SW7 . Posi-

as

DP4T

with

can

a DP3T

with

SPDT

shown

.

Locate
with
as

...r-i'ass

(

for

) Pass

for

p Pass

small Gry-Wht wires from
grommet

transformer T1. Pass

ness
later.

the

the

shown

the

wires from

connection

the

wires from BO#B

connection

the

large Brn, large Red, large Org,

wist

together

and

manner,

.

chassis over

harness

wires from

.

BE

through

and

B0#1

later.

later.

for

connection

the

two

grommet

install a split

and

position

position

the

various

through

through

B0#9

later.

green

leads

these

leads

BE

bearing

it

as

shown.

it

on

the

breakouts

grommet

grommet

and

through

coming

under

the

for

connection

in

chassis

(BO)

BA

BF

the

from

har-

·

SWB:

In

the

2-position

same

slide

manner,

switch

install

at

location

another

SWB

SPDT

.

Page 66

Refer

to

Pictorial4-4

the

following steps.

(Illustration Booklet, Page 14) for

Refer
the

following

to

Pictorial4-5

(Illustration Booklet, Page 14) for

steps.

Connect

SW10 as follows. Make
tions. (See

{J

) Blk-Grn

(

./

! )

(A Blk-Red

Connect
a;ollows.

(})

)}

~

Connect
as follows:

the

leads

the

inset

lead

Blk

lead

to

lug

Blk-Yellead

lead

the

wires

coming

Make

mechanically

Either

largeBrn

OtherlargeBrn

Connect a 1"
tion

from a

capacitor

the

C3

wires

coming

from

drawing

to

6 (NS).

to

to

wire

wire

bare

1"

lug

transformer

mechanically

on

lug

5 (S-1).

lug

2 (S-1).

lug

3 (NS).

from

B0#7
secure

to

fuse

to

switch

wire

(remove all

length

4 (S-1)

from

of

to

B0#9

T1

to

secure

Pictorial 4-4.

blockF1lug

SW10

brown

solder

connec-

in

the

connections.

lug

the

wire) from

lug

N (NS).

in

the

switch

harness

2 (S-1).
3 (S-2).

insula-

harness

( } Locate

.f/

tion

Connect
to

the

(

LY

Wht-Grn

/

( l/) ,

Wht

(

11

Grn

( Vl Viol

(/) / Wht-Gry

Connect
to

the

(

()

Either Gry

/

(//

Other

it

the

power

w1re to

wire

wire

the

power

the
as

wires

.

wires

Gry

power

shown.

coming

supply

wire

hole

to

hole

to

hole

to

holeY

coming

supply

wire

wire

supply

circuit

to

holeS

R (S-1).

AA (S-1).

AD (S-1).

(S-1).

circuit

to

hole

to

hole

circuit

from

board

from

board

Q (S-1).

V (S-1).

B0#3

as follows :

(S-1).

B0#4

as follows:

board

of

the

of

the

and

posi-

harness

harness

( ) All five Blk

all wires,

dered.

(

IY'

Both Viol

( · Both Wht-Red

/

( V) Red

~

(

(_ .

.Y

~

(Y R-15:

wire

Place

500

n'

R14:
tween
resistor

la

~ e

270

n'

tween
resistor

wires

especially

wires

to

capacitor

a

1"

length

10-watt resistor.

Connect

lugs

1 (S-3)

directly

a 5/8"

length

3-watt resistor.

Connect

lugs

2 (S-4)

1/2" above

to

to

capacitor

wires

of

this

resistor

above

of sleeving

this

resistor

the

solder

to

sleeving

and

and

lug

the

lower

capacitor

C3

lug

to

2 (NS).

the

capacitor

3 (S-2).

chassis.

N (S-6). Be

ones, get sol-

C3

lug

C3

3 (NS).

on

each

capacitor

Position

on

each

to

capacitor

Position

1 (NS).

lug

2 (NS).

lead

C3

lugs.

lead

C3

sure

of a

be-

this

of a

be-

this

(

C(

Any

( ' Either

Remaining

(\ )

Connect
to

(

1.

( )

( K

the

power

Blk

Either

Other

Wht-Red

Wht-Yel

Wht-Brn

the

wire

of

the

ofthe

wires

supply

Org

Org

three

remaining

Yel

coming

to

holeD

wire

wire

wire

wire

to

wire

to

Yel

wire

circuit

(S-1).

to

hole

to

hole

to

hole

hole

hole

wires

Yel

to

hole

from

board

P (S-1).

U (S-1).

J (S-1).

L (S-1).

K (S-1).

to

hole

wires

to

AH (S-1).

B0#5

of

as follows:

N (S-1).

hole

T (S-1).

the

harness

iliijiiii)

Q .5 1

I I I

(CM)

(INCHES)

2

3

2

. I ' I ' I '

I'

I I

3

' I ' I • I '

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8 9

I I

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10

4

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11

12

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1.

1"

I I I

17

7

I

Page

67

~

6-

\

32 X 3

H

POWER

CIRCUIT

/16

"

~

SUPPLY

BOARD

f

'T

<ID

~~~~--------~

J

~

@

()

PICTORIAL 4-6

@

f)

[01,

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Connect
to

Refer to Pictorial 4-6 for

Connect
the

(y Large

( ) Either large

(

~

the

wires

coming

the

power

Large Blk

Large Org

Large Red

Large Yel

po

Other

supply

the

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er

supply

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large

circuit

wire

wire

wire

wire

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to

to

to

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hole

from

board

hole

hole

the

from

board

to

to

to

B0#6

as follows:

AE (S-1).

X (S-1).

W (S-1).

AF (S-1).

following

the

transformer

as follows:

hole

AB

hole

E (S-1).

hole

C (S-1).

of

the

steps

(S-1).

harness

.

T1 to

~

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(

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/.

(

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complete

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ble.

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Wht

large Red

Other

large Red

large Brn

ther

large

l-L/

/

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sure

lead

~

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board

at hex

screws.

lead

to

lead to hole H (S-1).

lead

lead

to

lead

to

Brn

lead

to

-z.c

~

wiring

all

connections

lengths

studs

mount

CL

to

as close

the

and

hole

I (S-1).

to

hole

F (S-1).

hole

G (S-1).

hole

A (S-1) .

hole

B (S-1).

the

po~er

are

soldered, and

to

power

CH

with

supply

the

foil as possi-

supply

6-32 x 3/16"

circuit

cut

circuit

Page

68

SHIELD

TAKING
REMOVE

CARE

THE

OUTER

REMOVE

NOT

~

REMOVE
INSULATION

I

NNE R LEA

THE

FOIL

FROM

D. Detail

LEAD

TO

CUT

THE

INSULATION.

SHIELD LEAD,

INNER

LEAD

~

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AND

THE

V"

REMOVE

END

4_7

OF

A

1/4"

THE

LEAD

OF

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this

cable;

~

(

/

)/f

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the
will

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the
will

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( )

as

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to

the

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)

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(

(

I)

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( / ) Yel

remove

it

repare

will

the

any

insulation

be

connected

ends

of

an

8"

e.

one

end

of

an

8"

vertical

be

vertical circuit

be

shown

the

vertical circuit

wire

wire

wire

circuit

connected

one

end

connected

the

vertical

in

Pictorial 4-7.

wires

coming from

to

hole

to

hole

to

hole

board

later.

of

an
board

later.

circuit

board

(

~)

N (S-1).

W (S-1).

8"

as follows :

from

later.

Gry

wire

Gry

wire

(S-1).

Blu

wire

(S-1).

board

B0#10

ground

the

and

in

The

in

The

on

of

(S-1).

free

an

hole

other

hole

other

the

the

end

of

8"

Blu

Y2

in

end

Y1

in

end

chassis

harness

Refer

to

Pictorial4-7 (Illustration Booklet, Page 15) for

the

following steps.

( 6 Refer

20"length

vertical

Connect
lead

~

(

~

Connect
lead

the

to

the

Inner

Shield

At

the
insulation
to

identify

Refer

length

26"

the

to

the

to

Detail4-7 A and

of

shielded

circuit

end

vertical

lead

lead

other

to

Detail4-7 A and

end

vertical

of

this

circuit

to

hole

to

end
from
this

of

shielded

of

circuit

board

hole

the

cable

this

prepare
cable
parts).

cable

board

HH (S-1).

KK

(S-1).

of

this

inner

lead.

when

prepare

cable.

cable

board

(furnished

with

the

as follows:

cable,

remove

This

it

is

connected

with

the

as follows:

both

bared

will

both

bared

ends

with

1/4" of

be

later.

ends

of a

the

inner

used

of a

inner

( / ( Org

(!) Gry

( o{/ Wht-Grn

( v[

This
board. Check
and
possible.

Refer to
the

wire

wire

Grn

wire

completes

cut

off all excess

Pictorial4-8

following steps.

~

Secure

with
through
holes

the

CD,
hex studs.

the

two

Band C and

circuit

CE,

to

hole

to

hole V (S-1).

wire

to

to

holeD

the

to

see

that

lead

vertical

#6

x 1/4"

the

switch

board

and

CF.

U (S-1).

hole

C (S-1).

(S-1).

wmng

(Illustration Booklet, Page 16) for

and

Then

of

the

vertical

all

connections

lengths

circuit

6-32 X 3/16" screws

into

as close

board

hex

washer

bracket

hex

tighten

are soldered,

to

to

the

head

and

into

studs

CA, CB, CC,

the

nuts

circuit

~he

foil as

chassis

screws

chassis

through

on

the

lf

)

Inner

)S

hield

lead

lead

in

hole

in

hole

H (S-1).

K (S-1).

Detail 4-9A

Page

69

. /

~

~

/ r

/ Pass

NOTE:

on

the

free

=~:!~g

the
connection

ass

the

the

for

from

harness

the free

vertical

connection

the

free

vertical

connection

Position

the

and

later.

end

circuit

end

circuit

the

harness

later.

later.

gJ wires.

Position

( )

power
the
stall a cable
inset
tight

the

transformer T1

corner

of

the

tie
drawing
and

on

cut

off its excess.

indicated

around

ends

of

the

two

shielded

vertical

then

of the Blu

board

of

board

through

through

the

Gry

through

away

circuit

grommet

wire

wire

from

leads

on

top

of

the

vertical

circuit

all

these

Pictorial4-8. Pull

cables

board

under

BF for

coming &om

grommet

coming

from

grommet

these

blue

coming

harness

board

from

near

and

wires. See

the

cable

BC

BD

and

in-

the

tie

Remove
DANGER label
the

power

Set

the

chassis aside temporarily.

Refer to

the

Pictorial4-9

following steps.

the

chassis at

supply

protective

and

press

the

location

circuit

(Illustration Booklet, Page

CAUTION: Place a large soft

the

'to protect

you

work

SW9: Refer to
2-position
cabinet

Set

the

cabinet front from

with

the

Oscilloscope.

Detail4-9A

slide

switch

front. Use 6-32 x 3/8" flat head screws .

cabinet

front aside temporarily.

board

cloth

at

backing

the

label

shown

.

12/S""

on

your

being

and

mount

location

from

in

place

near

17}

work

area

scratched

the

DPDT

SW9

on

the

on

the

for

as

the

0

11{e

rilijiiil)

0

..

~

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1

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(INCHES)

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.

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I I I I I I I I

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1<5

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7

I

17

1-'age

70

FRONT

PANEL

0

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0

I

-1

f--l/4

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l -

3/8"

:.a__L.~V~II

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PROTECTIVE BACKING

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ing
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adhesive
five
tive backing
sharp
backing,

on

(

In

the

the

protective

side

of

must

not

be

the

back

switches

knife.

the

~

Refer to Detail 4-9B
backing from
for
vious note.

Temporarily
up

from operating.

around

Then,

be

sure

front panel.

the

two

on

your

next

switch

of

step,

the

front

removed

covers,

the

cabinet

the

front

these

when

these

shaded

the

back

shaded

lay

the

work

you

backing

panel.

from

front,

panel,

Cut

two

you

remove

and

of

areas

front

area.

will

be

instructed

from

the

The

protective back-

the

two

shaded

positioned

will

and

prevent

through

shaded

the

areas

remain

remove

the
mentioned

front

panel

the

adhesive

back

in

the

stick to

the

protec

areas

with

protective

in

protective

panel

except

in

the

Detail 4-9B

to

(un-

areas;

five

the

these

-

a

place

pre-

side

( Fit

1

(

~

Locate
metal)
Install
location

((-~

( 1)

( /

NOTE: Be
their

the

6-32 x 3/8" T-bolt

square

Place

recessed areas at
SW7,

1.

2.

3.

recessed

recess

a 2-1/2"

and

SW8

the

three

slide

supplied

these

SW3

1-7/16"

1-3/16" metal
down

29/32"

covers

sure

with

in

the

switch

into

switch

the

areas

in

slide

the

switch

into

the

cabinet

switch

switch

in

the

switch

the

vertical

in

the

following order.

cover.

switch

cutout

cover.

covers

when

you

front.

cover

locations SW4, SW6,

cabinet

covers (two fiber

circuit

recessed area

cover. Be

in

the

and

perform

the

indicated

in

each

of

front.

and

board

parts.

at

switch

sure

its tabs fit

1-7/16" cover.

T -bolt

remain

the

next

step.

the

one

in

( )

0

',4

I 1 ! 8 I

''"''''')

5

0

Position
4-9.

%

3~8

I

1

the cabinet

o/.

7/8

5(a I

(CM

I I I I

I

I

I

I

) 2 3 5 e 8

I

I

(INCHES

I

front as

) 2

I

I

I

shown

I

I

I

I I

I

in

Pictorial

3

I

I

I

I

I

I

(J

I

I I

I

9

Carefully fit
down)
front. Press

4

I

I

10

into

I I

I

I

I

I

11

the

front

the

recessed area of

the

front

5 6

I

I

I

I

I

I

12

13

panel

I

I

I

panel

I

.

I

1~

down

I

I

I

I

15

(adhesive

the

cabinet

into

place.

I I

I I

I

"'

side

I

I

17

7

I

= :

jcHASSisl

Page

71

(

~

(

(

(

Refer

( )

NOTE:

line

cabinet front

~

:

Install a

panel. Use

/

~

4:

In

the

location J4.

.(

J5:

Install a black socket

.J

J6:

Install

J6.

to Pictorial 4-10 for

Temporarily
switches

If

necessary,

up

with

the

in

it

the

cabinet

Be

sure

erly

into

red

socket

the

nut

same

the

remaining

.J_U-/s-

10'5:>C>--

remove

SW2A

slide

slide

the

following

front

all

the

switches

their

slots

at

furnished

manner,

the

the

and

SW2B.

the

switches

onto

and

location

install a red

at

red

following

3/8-32

switch

when

steps

the

and

holes.

J3

with

location

socket at

nuts

covers so

you

.

front of

the

T -bolt fit

PICTORIAL

in

the

front

the

socket.

socket

J5.

location

steps

.

from rotary

they

mount

the

the

chassis.

prop-

at

4-10

Install 3/8" flat
tary

switches

Install a
T-bolt

( )

R8:
location
washer,

so its

l'

\l R7: In

control (#10-1118)

( )

R6
tion
control so it does
chassis.

R5: Install a 1000 0 (1k) control ( #10-1118) at
location

at

Mount

and

lugs

the

: Install a 1

R6. Cut

washers

SW2A

#6

lockwasher

hole A

R8

R5.

in

a 1000

with
a 3/8"-32 nut.

are

located

same

manner,

MO

the

and

3/8-32

and

SW2B.

and

a 6-32

the

chassis

0(1k)
a 3/8" lockwasher, 3/8" flat

as

at

location

control (#10-1119)

control locating tab off

not

touch

front.

control (#10-1118)

Position

shown

install

.

a 1000 n (1k)

R7.

the

nuts

nut

the

inside

on

ro-

on

the

at

control

at

loca-

the

of

the

Page

72

Refer

to

Pictorial4-11

the

for

~

Connect

as

following

)

Position

Push
switch

the

follows:

Either

the

SW9

wires

large

Make a mechanically

Other

large

Make a mechanically

( '-)

Wht-Brn

(

tJ_.,.--

Blk

wire

ass

the

through

steps

the

chassis

slide

switch

.

coming

Brn

wire

Brn

wire

wire

to

to

socket

Wht-Red

grommet

(Illustration

.

upside

insulator

from

B0#2

to

switch

secure

to

switch

secure

socket

J5

BB

J3

(NS).

wire

for

(S-1).

coming

connection

Booklet,

down

as

shown.

onto

the

of

the

SW9lug

connection

SW9lug

connection.

from

later.

Page

17)

rear

harness

6 (S-1).

.

5 (S-1).

B0#2

Gril

to

1

I

Blk

(

Wht

solder

lead

lead

to

to

lug

fuse

switch

P (S-1).

block

SW10

F1

lug

of

ALTERNATE LINE VOLTAGE OPERATION

This

Oscilloscope
or 240 VAC
is

most

more

is

THAT

AREA.

120

VAC LINE VOLTAGE

~

line

often

common.

AGREE WITH THE LINE VOLTAGE IN YOUR

Move

120

is

screwdriver

can

be

operated

voltage.

used, while

In

the

in

United

other

USE ONLY THE INSTRUCTIONS

slide

switch

visible

blade

on

SW10,

the

to

move

top

1 (S-1).

lug

6 (S-2).

on

either

States

countries

if

necessary,

of

the

the

switch

120 V AC
120 VAG
240 V AC

switch.

so

the

Use a

slider.

==t'J

)

:::TJ.

)

T )

Refer

(

.!)'

/

(

~

Pass

the

connect

must

Prepare

a 5-1/2"

Connect
socket

J4

through

Connect
(S-2).

Pass

grommet

to

Pictorial

Refer

to

Detail4-12A

line

cord.

Refer

to

Detail4-12B

of

the

line

chassis.

Refer

to

Detail4-12B

the

line

strain

relief

screw

.

end

of

its

leads

be

mechanically

Wht-Blu

one

end

(S-1).

Pass

grommet

one

end

the

other

BB

for

4-12 for

cord

through

cord

strain

at

location W with a #6

the

line

as

follows.

wire

of a 5-1/2"

the

other

BA for

of a

connection

3"

Blk

end

of

connection

the

following

and

prepare

and

pass

hole

and

install

relief.

cord

through

All

secure.

and a 3"

Wht-Blu

end

wire
this
later.

the

Win

the

Install

grommet

three

Blk

wire.

wire

of

this

wire

later

.

to

socket

wire

through

steps.

the

end

of

prepared

the

rear

of

line

cord

the

line

cord

x 9/16"

BG

and

connections

to

J5

the

end

the

in

~

~

F1:

\

in

the

(

Remove

1

label

chassis

Write

[

~

line

Install

fuse

the

block

the

and

press

at

the

"1/2-ampere,

on

the

fuse label.

1/2-ampere,

protective

the

indicated

240 VAC LINE VOLTAGE

( ) Move

( ) F1:

( )

( )

slide

switch

240

is

visible

screwdriver

on

blade

Install a 1/4-ampere,

(not

supplied)

Remove
label

and

chassis

Write
line

on

at

"1/4-ampere,

the

in

the

protective

press

the

indicated

fuse label.

the

at

location

label

3AG,

SW10,

the

to

move

the

fuse

label

3AG,

3AG,

backing

onto

location.

top

of

3 AG,

block

backing

onto

location.

if

slow-blow

Ft.

from

the

bottom

Slow-blow"

necessary,

the

switch.

the

switch

slow

blow

at

location

from

the

bottom

Slow-blow"

fuse

the

fuse

of the

on

so

Use a

slider.

fuse

Ft.

the

fuse

of

on

the

the

the

the

''"''''')

0 .5 1

I I I

(CM)

2

(INCHES)

I I I I ',1

2

.

,I

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II

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4

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13

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17

Page

73

PICTORIAL 4-12

Detail

4-12B

·.::.

_..:;)

Page

74

r -'

Refer to
for

the

following steps.

Position

( )

Connect
lows:

'

~

'i---f-

~

(

( r Y/

(

vf

~

~

Large

Large

Yel

Grn

Wht-Yel

arge

lk

/_

( ) R17:

sistor
(S-2).

Place a 1/2"
Connect
(NS)

Connect
ing

( / Locate

met
inner
SW4lug
ti

Remove 1/4" of
the
BF.

~

(

SW4lug
tion

Connect
from

Pictorial4-13

the

the

wires

Yel

Brn

Blk

wire

to

wire

to

wire

to

wire

Connect

to

control

this

and

7 (S-1).

the

from

grommetBA

the

BF

with

lead.

8 (S-1).

, n

at

this

other

shielded

nnect

the

6 (S-1).

at

this

the

grommet

(Illustration Booklet, Page 18)

chassis

from

wire

wire

wire

control

control

control

top

B0#1

to

control R6

to

control

to control

R5

R5

R5

to

switch

side

up

of

the

lug

R6

lug 2 (S-1).

R6

lug

lug

3 (S-1).

lug

2 (S-1).

lug

1 (S-1).

SW4 lug 5 (S-1) .

a 330k!l, 1-watt (Org-Org-Yel) re-

R6

length

of

wire to

free

end

shielded

the

insulation

Connect

There

end

of

insulation

inner

There

end

of

free

end

BB

between

sleeving

switch

of

to

cable

the

the

cable

lead

the

to

solder

lugs

on a 1"

SW4

the

Wht-Blu

switchSW4lug

coming

removed

inner

is

no

shield

cable.

from

coming

of

this

is

no

shield

cable.

of

the

Blk

lug

as

shown.

harness

3 (NS).

1 (NS) .

1 (S-2)

bare

between

wire

from grom-

lead

lead

the

inner

from

cable

lead

wire

K (NS).

as fol-

...

and

wire

lugs

com-

3 (S-1).

from its

to

switch

connec-

lead

grommet

to

switch

connec-

coming

3

.

4

of

Connect
ing

from

(NS).

Prepare
wire.

(\

J

Connect

3 (S-1) to

Connect

lug

1 (NS)

Connect

(S-2).

( )

Connect
lug

2 (NS).

Be

sure

the

R13:
PL1

between

Refer

to

Pictorial4-14

for

the

following steps.

CAUTION:

ing steps,

were

Connect
horizontal
sition

bles

do

connected

the

circuit

the

following six wires

connected

Wht-Org

wire

Grn

(

Wht-Red to control

Wht-Gry to control

Red

wire

Wht-Yel to control

Remove

1")

from

end

of

to

switch

the

free

grommet

a 2-1/2"

a 2-1/2" Blk

solder

a 6-1/2" Blk

to

one

the

pilot

lamp

Connect

When

you

not

burn
earlier.

free

ends

board

to

switch

wire

to

control

to control

an

additional

the

free

this

wire

SW6

end

of

the

black

lug

solder

lead

other

leads

BB

of

lead

wire

the

to

pilot

wire

from

K (NS) .

wire

from

lug

K (NS).

pilot

of

the

do

not

Wht-Red

and

lamp

pilot

touch

wire

lamp

PL 1 lug 3

a 6-1/2" black

switch

pilot

to

SW8lug

lamp

PL1lug

lamp

each

other.

a 47 k!l(Yel-Viol-Org) resistor

lugs

2 (S-2)

and

3 (S-2).

(Illustration Booklet, Page

connect
the

of

the

wires

insulation

the

wires

to

the

on

coming

chassis as follows. Po-

under

the

in

the

follow-

the

wires that

from the

shielded

SW4.

to control

end

through

lug

R8

R8

lug

R8

lug

R7

lug

R7

lug

R7

lug

3/4" of

of

the
switch

6 (S-1).

lug 3 (S-1).

2 (S-1).

1 (S-1).

3 (S-1).

2 (S-1).

1 (S-1).

insulation

Org wire. Pass

SW4lug

4 (S-3)

corn-

PL1

to

PL1

(total

1

to

19)

ca-

the

"'''"")

Q .

!5

I I I

1 (CM ) 2

(

INCHE.S

I

I' I Ill

)

. I . I • I I I I I .

I I I I I I I

e 1 e 9

3

I I

I

10

4

I I I 1 I

11 1'2

13 14

I I

I

15

6

·II

7

I

17

Page 75

( ) Wht-Blu

Remove

(

\.2

3/4") from
Connect
through

Refer

to Pictorial 4-15 (Illustration Booklet,

for

the

following steps.

Connect
horizontal

l"

J Viol

(

~~

- ) Yel

(

1.-

c-r--

!
Refer

for

Connect

BF

( ) Yel

move

2")

17

Connect

(S-2)

Wht-Grn

) Wht-Brn

Wht

to

the following steps.

to

the

wire

to

an

additional

the

the

free

lug

7 (S-2)

the

free

ends

circuit

wire

from

to

wire

wire

Pictorial4-16

the

horizontal

wire

board

to

switch

an

additional1/4"

the

this

wire

lug

2 (S-1).

wire

to

to

switch

wire

to

to

switch

wires

from

to

hole W (S-1).

switch

free

end

of

free

switch

switch

(Illustration Booklet, Page 21)

circuit

end

of

to

the

to

the

SW6

end

to

switch

SW7

SW8

B0#8

SW6

1/2" of

of

this

lug

wires

chassis

lug

of

SW7

lug

SW7

lug

coming

board

lug 8 (S-1)

insulation

the

Wht-Viol

wire

to

1 (S-1).

coming

as follows:

4 (S-1) .

of

insulation

the

Wht-Blk

SW6

through

lug 3 (S

2 (S-1) .

lug

2 (S-1) .

from

as follows:

switch

Page

from

-1).

1 (S-1).

grommet

.

(total

wire

SW6

20)

the

(total

wire
lug

( ) Grn

Connect
cuit

.

This
board. Check
and
foil.
the

( ) Carefully

.

3

~

( ) Refer

I

(

wire

to

hole

the

following wires from

board

to

the

chassis as follows:

wire

to

Blk

Brn

wire

completes

then

cut

The

remaining

circuit

)

board

connected
shown.

Pass

the
chassis
a 3/8" flat

Refer
supply
CH.

mount
the

chassis

Remount

6-32 X 3/16" screws at

and

CL,
studs

solder

through

the

to

see

that

off all

the

will

position

to

shaft of

at

location

washer

to

Detail 4-16A

circuit

to

the

inset

the

circuit

with

the

power

CM.

Then

.

T (S-1).

the

horizontal

lug

K (S-4).

grommet

wiring

all

excess

Blu

and

be

connected

all

the

horizontal

the

SW5.

and

board

drawing

board

6-32 x 3/8" hardware.

tighten

BB

tosocketJ6

to

the

horizontal

connections

wire

lengths

Gry

wires

later.

the

wires

circuit

rotary

screws

supply

switch

Secure

a 3/8-32 nut.

and

remove

from

on

Pictorial4-16

bracket

circuit

hex

studs

the

nuts

the

at

CG,

cir-

(S-1).

circuit

are

soldered

close

to

the

connected

and

board

through

switch

the

holes

location Z on

board

CH,

on

to

harness

as

the

with

power

CL

and

and

with

CJ,

CK,

the

hex

r/(

(

( {

(

(

v{

,Y

Gry

org

~

ed

Blk

f

Wht

wire

wire

wire

wire

wire

to

to

to

to

to

hole

hole

hole

hole

holeS

V (S-1).

U (S-1).

X (S-1).

H (S-1).

(S-1).

( )

( )

Secure
board
3/8"

Position
horizontal
shown.
indicated
Pull

the

to

the

hardware

all

Then

the

cable

other

end

circuit

.

the

wires

circuit

install a cable

chassis

tie

holes

tight

of

board

connected

board

and

and

the

horizontal

bracket

and

Ue

around

cut

with

between

the

through

these

off its excess end.

circuit

6-32 X

chassis

the

wires.

the

as

two

Page

76

INSIDE

CRT

SHIELD

OF

~

TAB

PICTORIAL 4-18

Refer to
for

Reposition

--L.J.

Pictorial4-17

the

following

Locate

sion
nished

Start

the

the

shafts,

with

two

coupling.

( ) Install a shaft

control R4B.

In

the

same

pling

on

It

NOTE:

may

control bracket

the

form
alignment

next

with

Pass a
priate

hole
coupling
5/16"

outside

setscrew

steps

chassis as

two

shaft

and

the

6-32 x 1/8"

coupling

Tighten

manner,

the

shaft of

be

necessary

mounting

two

steps) to get

the

front

5"

extension

in

the

on

control R4B so

the

in

the

(Illustration Booklet, Page 22)

.

shown.

couplings,

four

#6

vertical

the

install

control

to

hardware

panel

shaft

front

front

shaft

coupling.

X 1/8" setscrews fur-

circuit

setscrews

5/16"

proper

temporarily

proper

holes.

panel

board

onto

the

other

R4A.

(when

extension

through

and
the

panel.

two

5"

exten-

parts

in

each

the

shaft of

setscrew.

shaft cou-

loosen

you

the

appro-

into

the

shaft

extends

Tighten

.

shaft

the

per-

shaft

shaft

the

~

)

In
through

~

into

....

~

Locate

backing. (There

the
at

Place
opening
Position
outside.

NOTE:
its

edge

graticule

( { Remove

strip.
ring, starting
cabinet front.
against
the

the

the

face of

this

When

must

in

Then

ends

same

the
shaft

the

graticule

the

manner,

proper

graticule

install a 5"

hole

coupling

and

may

also

extension

in

the

front

on

control R4A.

remove

be

which

the

a protective film on

must

be

time.)

the

graticule

in

the

the

printed

you

install

be

against

place

in

the

protective backing from

press

on

The

the

plastic cabinet front. DO NOT allow

to overlap.

cabinet

the

its

opening

the

the

side

adhesive

in

the
front from

side

of

felt strip

the

graticule

felt strip

nearest

Cut

off

large rectangular

the

graticule

in

the

to

in

the

cabinet

inside

the

side

must

any

excess.

shaft

panel

and

protective

removed

the

inside.

to

the

next

step,

hold

the

front.

the

felt

the

CRT

edge

ofthe

be

"out"

Slide
Note
with

/

(

.-:"') Push

cabinet
CRT

Install
the

the

CRT

the

position

reference to

the

face of

front.

Nate

plug

.

the

two

CRT

but

inside

shield

of
the

the

the

CRT

over

the

tabs

key

CRT

position

clamps

the

CRT

the

neck

on

on

the

into

around

shield

of

the

CRT

CRT plug.

the

ring

of

the

key

the

.

Page

the

neck

77

CRT.

shield

in

the

on

the

of

CAUTION:

next step ,
bottom of

fore

you

the circuit boards. to

( /

(

\;5

~

( \') fn

~

Re

er

When

be

the

tighten

Install

chassis
wires

~

sa

screws

input

Install

slot

in

cab

'net

If

necesary,

the

front

chassis.

E.

to

Pictorial 4-18 for

Refer

you

sure

the

chassis

the

the

input

holes F and

between

o

the

front

into

chassis

shield.

Do

another

the

front

front.

reposition

panel

Then

to

the

inset
install a rubber
cated
screwdriver

holes

in

to

install

shield

between

screws, or

shield

the

panel

the
is

with

G. Be

shield

~

brae e w1

the
you

holes D and E and

not

tighten

#6

x 1/2"

screw

panel

bracket

the

is

perpendicular

tighten

the

the

following

drawing

foot

in

each

the

CRT

force

the

feet

input

shield

up

tight

circuit

may

#6

x 1/2"

sure

not

and

the

:7

ZD

fli

the

screws. \ V

through

and

front

panel

to

screws

on

at

Pictorial 4-18

of

the

shield.

into

in

against

boards

break

one

screws

to

pinch

chassis.

#6

x 1/2"

into

the

into

bracket

the

top

of

holes D and

steps

.

three

indi­Use a
the

small

holes.

the
the

be-

of

in

any

the

top
the

so

the

and

Secure

the
3/4" screws.

be

~

er

to

the

Align
key
the

~

)

Connect

to
Connect

( )

to

Connect
CRT socket as follows:

(

+-Wht

,--r-

~

( ) Large

(

~

he

lengths.

3/4" x 5"

rubber

strip

into

two

equal

(

~

the

CRT

tops

of

the

Tighten

hold

the

CRT

repositioned

Pictorial4-19

clamps

CRT brackets

in

later.

(Illustration Booklet, Page 22)

these

place.

and

screws only

The

following steps .

the

keyway of

on

the

CRT

CRT

plug

.

the

Blu

the

CRT socket

the

Gry

the

CRT socket

the

wires

coming

-Gry

wire

to

arge

Brn

wire

Large Red

ither

wire

Org

wire

large Grn

the

plug

and

wire

coming

lug

6 (S-1).

wire

coming

lug

7 (S-1).

from

lug

8 (S-1).

to

lug 4 (S-1).

to

lug

to

lug 2 (S-1).

wire

to

CRT socket

push

grommet

3 (NS).

lug

the

CRT

with

CRT

the

from

from

1 (NS).

shield

two

6-32 x

enough

may

have to

with

socket

grommet

grommet

BE

to

to

the

onto

BC

BD

the

(4 fer

ber

strip

WARNING:
of

its

high

vacuum,

the CRT

to

more

A fracture of

considerable

injury.

Q .

!5

1

(C

M ) 2

to

Detail4-18A

onto

each

Handle

than

the

glass

violence

1 1 1

1

1

3

CRT

the

CRT

do

not
moderate
could

capable

(INCHES)

1

and

place a length

clamp

very

carefully.

strike,

scratch

pressure

result

in

of

causing

2

I

'I

I I I I

I I I

5 "

.

, or subject

at

an

implosion

of rub-

Be~;ause

any

time.

of

personal

3

I I I I I I I

I I I I

8 9

Other

( ) R16:

the

~

(

tal

4

I I

I

10

large Grn

Connect

CRT socket

e

Gry

circuit

I I I I I

I I I

11

board

12

wire

a 100

between

wire

to

the

5

II

I I I

13

to

lug

12 (S-1).

k.O

(Brn-Blk-Yel) resistor

lugs

coming

CRT socket

I I I

I.

I I

1•

1 (S-2)

from

6

I I

I

"'

and

the

lug

1"

to

3 (S-2).

horizon-

9 (S-1).

I I

I

17

7

I

Page

78

SHIELDED

CABLE

~

Connect

tal circuit

This

completes

to

see

that

any

cut-off

lodged

Refer to Pictorial 4-20 (Illustration Booklet,

the

for

( )

(

v{

following steps.

Start a 6-32
12 knobs. Use
the
setscrews were
board

Turn
fully
black
knob

Install a small
the
HORIZ POS control shafts.

the

Blu

wire

coming

board

to

the

CRT socket lug 10 (S-1).

the

wiring

all

connections

wire

ends

in

the

wiring

x 1/8"

the

kit. NOTE:

parts.

the
counterclockwise. Then

knob

pointer

INTENSITY, FOCUS, TRIG LEVEL,

Four

Y1

POS

on

positioned

or

or

on

black

allen

of

packed

and

each

black

ofthe

are

solder

the

the

of

knob

from

the

Oscilloscope. Check

soldered

splashes
circuit

setscrew

wrench

knobs

with

Y2

these

as

with

and

that

boards.

in

each

furnished

and

three

the

vertical

POS control shafts

install a small

shafts

shown.

skirt

horizon-

shake

may

Page

of

of

circuit

with

on

each

out

be

22)

the

with

the

each

of

and

PICTORIAL 4-21

(

~

~

( (

{ Install a

n

the

three

rotary

shafts) fully counterclockwise.

nstall

a large

switch

. ositions .

Install a large
switch
tion.

Turn

the

shafts to

with

each

black

shafts

shaft

with

remaining

their

red

knob

knob

with

black

fully

on

pointer

switches

knob

on

their

knob

its

pointer

three

clockwise

each

at

the

two

pointers

on
at

the

small

positions.

of

these

the

CAL

(large

the

inner

control shafts

outer

VOL

TS/CM

at

the

TIME/CM

"200"

posi-

control

position.

"20"

PUSH
IN

OUT

THE

THE

BACK

SHIELD

THE

SHIELD .

AKJD

INNER LEAD.

BEND

THEN

OVER

MAKE

AN

AS

SHOWN. PICK

Page 79

OPENING

PICTORIAL 4-22

REMOVE
THE
THE

ONLY

1/4"

OF
SHIELD . APPLY A SMALL AMOUNT
END

OF

ENOUGH

INNER INSULATION

THE

SHIELD

HEAT

FOR

AND

THE

SOLDER-(/

-~

/

Refer

to

Locate one of
tor
pare

Slide a red

of

Pictorial 4-21 for

on

one

the

the

inner

Detail

the

shielded

end. Refer to Detail 4-21A

free

end

of

alligator

lead.

THE

SOLDER

4-21A

the

following

this

cable.

clip

insulator

AND

INNER

TO

cables

STRETCH

OF

SOLDER
LEAD. USE
FLOW.

steps

with

a connec-

and

over

.

the

OUT

TO

pre-

end

Repeat

other

the

four

shielded

previous

cable

Refer to Pictorial 4-22 for

When

CAUTION:
next

step, carefully follow

serve

the

cautions

sure

you

do

spacers

or bosses

Glue a
in

the
screws
after

the

This

completes

Proceed

to

the

you install

on

the

not

get epoxy
in

the

plastic

cabinet

in

spacer

. DO NOT

these

holes

spacers are

the

assembly of

"Initial Tests"

steps

with

connector

the

following steps.

the

plastic

the

instructions

epoxy

glue

in

the

cabinet.

on

each

attempt

for

at

installed

your

section

and

prepare

.

spacers

and

packet. Also,

holes

in

of

the

four bosses

to

install

least 30

minutes

.

Oscilloscope.

of

this

Manual.

the

in

the

ob-

be

plastic

any

Q .5 1

(C

M ) 2

(INCHES

• I I I I

3

I I

I

17

7

I

)

II

I'

5

II

3

I I I I I I I

I

I I I I

8 9

I I

I

10

4

I I I

I I

11

5 6

'I

I I I I I

12

13

I I I

I I

I I

I

1~

Page 80

INITIAL TESTS

Use

an

ohmmeter
measurements
loscope.
not

be

damaged
rectly
proper
installation
column
Case of Difficulty"
sure
proceeding.

installed

indication

for

you

This

ofthe

that

obtain

before

will

due

or faulty part.

step. You

the

to

make

the

following resistance

you

apply

insure

in

parts

section

that

the

to a wiring

If

a step,

listed

correct resistance

check

in

may

ofthe

the

power

error or

also refer to

Manual

power

you

do

the

"Possible

reading

to

supply

some

not

wiring

(Page

the

get

Cause"
the

Oscil-

will

incor-

the

and

"In

97).

He

before

....---

PICTORIAL 5-1

0

RESISTANCE MEASUREMENTS

an
tance
round

ments

Be

or

If

you
primary
any

connection

ohmmeter

sure
any

do

not

wiring

between

prong
you

the

connection.

obtain

on

should

test

and

make

are

touching

is available,
each

flat

the

line

obtain

probe

is

not

infinite

indications,

sure

measure

plug

cord. In

an

infinite

touching

no

fine

another

the

prong

and

both

measure-

indication

the

chassis

recheck

wire

strands

connection

resis-

the

all

.

Refer

' ( )

NOTE: Not all
Therefore, if
the
chassis
indicated
indication
ing of

.

NOTE:
lowing
tery

at

Make all of
supply

to

Pictorial 5-1 for

Position

J

Connect
chassis of
positive
the

following chart.

first time,

and

in
, cross

the

first

The

measurements

and

set

the

circuit

the

Oscilloscope

the

negative

the

meter

ohmmeters

you

do

not

connect

touch

the

the

chart

out

column

ohmmeter

on

the

RX1000 range.

following

board.

the

following steps.

ohmmeter

Oscilloscope.

lead

to

the

are

get

the

correct

the

positive

negative

.

the

and

that
was

meter

If

this

produces

word

"positive"

write

was

used

powered

measurements

bottom

points

polarized

side

lead

Then

touch

indicated

the

meter

meter

learl to

lead

to

the

the

in

the

in "negative."

to

make

by a

1.5

on

the

up.

to

the
the

in

same.

reading

the

point

correct

head-

the

fol-

volt

bat-

power

Page

81

POSITIVE METER

I ..

EADTO:

"

TP1.

) TP2.

(

)

(

(

v{

TP4.

( ) TP5.

TP6.

(

'1

TP3.

APPROXIMATE
METER READING

600 kfl-1

f

\.

t

~;v

I

~

~

\

">·t~

•

600 kfl-1

900 kfl-1.5

600 kfl-1.5

400

n-1ooo

Mn

Mn

Mn

Mn

n

.

POSSIBLE CAUSE

1.

Resistors R310, R309.

2. Focus control

3.

Diodes 0317, D302, and

4. Capacitors

5.

Power Transformer.

1. Power transformer.

2 . .

Diodes

3. Capacitors

1. Power transformer.
Diodes

2.

3.

Capacitors C301, C302, and C303.

1. Power transformer.

2. Diodes

3. Capacitors C301, C302, C303,C314, and

1. Capacitor C310.

2.

I

IC U302.

3 . Resistors R334, R335,

D301

D301

D301

R2

and resistor R3.

C301

, C302, and C303.

and D302.

C301

, C302, and C303.

and D302.

and D302.

and

D301

R336.

.

C3t5.

(

_,(

( .

(

-(

This
tion

."

TP7.

TP8.

TP9.

completes

the

Initial Tests.

n-aoo

3oo

n-1000

400

9000

fi-20

Proceed

n

n

kfl

to

"Calibra-

1. Capacitor C309.

2.

IC

U301.

Connections to other circuit boards.

3.

C311

1. Capacitor at

2. IC U303.

3.

Resistors R334, R335, and R336.

4. Connections to other circuit boards.

1. Diodes 0307, D308, D309, and D310.

2. All sections of capacitor C308.
Connections to other circuit boards.

3.

.

1-'age

82

CALIBRATION

In

this

section, you

panel

controls of

tion

. To

dance

Perform

NOT
are

voltmeter

connect

instructed

do

the

adjustments

will

set

your

Oscilloscope

this,

you

will

and a sine-square

exactly as

the

line

cord

to

do

so.

the

circuit

for

need a high

wave

instructed

to

an

AC

outlet

board

proper

input

and

front

opera-

impe-

generator

and

DO

until

you

.

(

~

) SWEEP V AR/HORIZ GAIN:

Y1-Y2-EXT-LINE: Y1.

AC-DC-TV: AC.

(~l

+/-:

+.

Full

clockwise.

Refer to Pictorial 5-1 (Illustration Booklet, Page 23) for
the

following steps.

Set

the

front

panel

controls as follows:

(- )

Y1

POS: Center of

(- ) Both AC-GND-DC: GND.

( ) Both

( _ ) Both VARIABLE:

(.

~_)

(- )

(,-

) POWER: OFF.

( ) INTENSITY:

VOLTS/CM: 0.02.

Y1-Y2-CHOP-ALT: Y1.

Y2

POS: Center of

Full

Full

clockwise.

rotation

clockwise.

rotation

.

.

C ) FOCUS: Center of rotation.

(- ) TRIG LEVEL: Center of rotation.

(_ ) HORIZ POS: Center of rotation.

( - ) TIME/CM: 200

JLS.

( ) AUTO-NORMAL: AUTO.

(- ) Refer to Detail 6-1A

tool

blade

into

the
Always
capacitors

( , )

Set

of rotation.

( )

On
mer
Then

CAUTION: AC
Oscilloscope
when

you

the

Oscilloscope is setting

and

is

not

conductor.

shown

( )

NOTE:
following
have
get
refer

on

Connect
outlet.

adjusted

the

indicated

to

the "In

use

this

and

controls in

all

the

circuit

the

vertical

capacitors clockwise

turn

them

and

DC

may

exceed 1300 volts. Be

make

the

following

within

If

reach

The

"Dangerous Voltage

Page

26

in

the

Oscilloscope

you

do

not

steps

, recheck

the

correct controls.

results,

Case of Difficulty "

and

end

of

tool to

board

controls to

circuit

board, turn

counterclockwise

voltages

adjustments

on a nonmetallic

of a

water

the

Illustration

get

the

the

steps

turn

the

push

the

alignment

the

plastic

adjust

the

until

in

pipe

line

proper

Oscilloscope off

section

nut

the

following steps.

their

all

the

y are snug.

1/2 turn.

some

areas of the

ver

. Make sure

or

other

Areas"

Booklet.

cord

to

results

to make

If

you still

on

starter.

trimmer

centers

the

trim-

y careful

surface

ground

are

an

AC

in

the

sure

you

do

not

and

Page 97.

=

=

::

CRT

Page

83

~-Set

the
light. Allow
nute

NOTE:

Y2

POS)

the

CRT

the

ON-OFF

ON position.

the

to

warm

up.

You

may

have

and

HORIZ POS controls

in

the

next

switch

The

Oscilloscope

to

step.

red

adjust

on

the

the

Oscilloscope

Power

at

vertical

to

get

Lamp
least

(Y1

the

PICTORIAL

to

should

one

mi-

POS or

trace

on

6-2

All

GNMENT

BLADE

TOOL

CRT

CLAMP

DANGER

Check
horizontal
perform

1.

2.

3. Rotate

4.

to

Note
power

Refer
clamp

Turn
the

trace

the

see

if

the

CRT

graticule lines.

the

following

position

.

to

Pictorial 6-2

.

the

CRT

to

the

power

.

on

trace

If

numbered

ofthe

trace

and

align

and

check

is parallel

it

is

not

steps.

and

turn

loosen

the

trace.

the

position

with

the

parallel,

off

the

the

CRT

of

5.

Repeat steps 1, 3,

lign

the

lines.

6. After
turn
clamp

the
the

.

Detail

trace

correct

power

and

to

the

results

off

6-lA

4 as necessary

horizontal

have

been

and

tighten

to

al-

graticule

obtained,

the

CRT

Page 84

DC CALIBRATION

POWER SUPPLY CIRCUIT BOARD

( L( Place

Refer
the

following steps.

(.

/(

(

U'

the

POWER

Turn

the

front

counterclockwise.

to

Pictorial 5-3 (Illustration Booklet, Page 24) for

Adjust
viewed
visible (the trace
adjust
the

Adjust

the

INTEN BIAS control clockwise (as

from

the

control

trace

disappears.

the

ASTIG control:

Turn

the

until

the

Turn

the

x 10 position.

·,

the

the

and

Center

trol.

Adjust
FOCUS control
round

switch

panel

the

front panel)

may

back

INTENSITY control

trace

appears

TIME/CM

spot

ASTIG

as clear as

in

the

INTENSITY control fully

until

already

with

control

until

be

counterclockwise

.

switch

the

HORIZ POS con-

the

possible

ON position.

to

and

dot

the

trace

visible) .

clockwise

the

EXT IN

front

is small,

.

is

Then

until

panel

(

1'

Measure
INPUT ZERO control for zero volts.

v-('

Set

(

~

easure

i
5 volts

Measure
the
test

control
meter
step.

the

the

voltmeter to

the

ide

this

.8

the

front

panel

points

are equal.

until

reading

voltage

voltage

step.

to

5.2).

voltages

HORIZ POS control

the

you

measure

at

TP3

It

should

at

Then

test

point

recorded

at

TP2

and

TP4

adjust

and

adjust

5 volts DC.

record

be

approximately

and

TP5. Adjust

until

the

voltages equal the

in

the

the

read-

both

BIAS

AD]

previous

the

VERTICAL CIRCUIT BOARD

( /

set

the

voltmeter

Refer to Pictorial 5-5 (Illustration Booklet, Page 24) for

the

following steps.

(~Measure

DC

(~Measure

DC

the

BAL control for zero volts .

the

BAL control for zero volts.

to

voltage

voltage

measure

at

TP6.

at

TP7

1.5 volts

Then

and

adjust

adjust

DC.

the

the

Y2

Yl

·

HORIZONTAL CIRCUIT BOARD

[

vJ

Use

the

front

panel

HORIZ POS control

center

!

Connect

( )

/

chassis

'(

/ )

Set

Refer

to

the

following steps.

NOTE:

adjustment

±50

volts

Touch
ZERO ADJ control for zero volts.

the

spot

on

the

screen.

the

negative

of

the

Oscilloscope.

the

voltmeter

Pictorial 5-4 (Illustration Booklet, Page 24) for

In

the

following steps,

of zero volts,

millivolts.

the

voltmeter

to

measure

make

probe

voltmeter

1.5 volts

when

a step calls for

the

adjustment

to

TP1

lead

and

to

DC.

to

adjust

and

the

an

zero

the

[J

Placethefrontpanel

in

the

the

screen.

controls

(

vf

Rotate

clockwise. Place

the

new

Return

position.
move

the

your

finger. Repeat
times as necessary
moves

trol.

If

justment

(

1'

In

the

same

adjust

ALT position.

If

necessary,

to

position

the

Yl

location

the

Yl

Then

Yl

when
the

trace

of

the

manner,

the

Y2

the

VARIABLE control fully counter-

your

of

the

VARIABLE control

adjust

trace

you

rotate

did

DC

DC

BAL control.

Yl,

Y2,

CHOP,ALTswitch

Two

traces

use

traces

finger

Yl

trace

the

Yl

to

the

location

this

procedure

until

the

the

not

move

BAL control is

check

the

should

the

Yl,

near

on

the

line

DC

BAL control to

trace

Yl

VARIABLE con-

initially,

Y2

trace

or

Y2

one

another.

CRT

to

if

it

moved.

to

its

marked

as

no

needed.

line

be

on

POS

mark

CAL

by

many

longer

no

ad-

and

=

Page 85

NOTE: Because of

you

scope,
ment

(

'")

( <"(' Set

( ) Measure

Set

the

(

I(

(/ Both VARIABLE:

( { Y1-Y2-CHOP-ALT:

( Y1-Y2-EXT-LINE:

( TIME/CM: 200 p,s

(

~

(

~

( t) Refer

may

periodically.

Place

the

in

the

the

the

front

ings

are

control

you

recorded

volts).

front

Both VOLTS/CM: 0.05

Use

the

center

Place

the

tion

.

to

24)

and

the

Y1
output
high.

Adjust

the

normal

have

to

front

panel

Y1

position.

voltmeter

the

voltages at TP8

panel

Y1

the

same.

until

the

reading

earlier

panel

controls as follows:

Y1

pas

and

the

trace

on

Y1

AC-GND-DC

Pictorial 5-6 (Illustration Booklet, Page

connect a 1kHz

INPUT connector.

to

produce a display

the

TRIG LEVEL as

aging of

repeat

to

POS

Then

Full

Y1

the

previous

Y1-Y2-CHOP-ALT

measure

control

adjust

in

clockwise.

Y1

HORIZ POS

the

is

the

the

Manual

screen.

switch

square

Adjust

5 volts

and

until

the

same

that

your

TP9.

Y1

Oscillo-

adjust-

DC.

Adjust

both

BIAS

as

the

(4.8

switch

read

ADJ

one

to

5.2

-

(---)

Measure
TRIG ZERO control for zero volts.

(t'

--r Place

in

the

L.}--

Measure
the

front
ings are
control
you

Measure
TRIG ZERO control for zero volts .

AC CALIBRATION

2. ( ) Set

3. ( ) Set

controls

in

the

wave

the

is 4 or 5

required

and

AC posi-

signal

to

generator

em

.

4. ( ) Repeat

( ) Set

AC-GND-DC
LINE
signal to

·

the

the

voltage

the

front

panel

Y2

position.

the

voltages

panel

Y2

the

same.

until

the

reading

recorded

in

Pictorial 6-7.

adjust

readjust
and
a

proper

adjust

tion,

necessary,

capacitor for a

pensation

the

switch

previous

earlier (4.8 to 5.2 volts).

the

voltage

the

X10

the

VOLTS/CM

the

generator

adjust

the

display.

the

x 100

the

VOLTS/CM

readjust

and

the

above

is correct.

Y1-Y2-CHOP-ALT

switch
to Y2,

the

Y2

INPUT

four steps for

at

TP10

and

Y1-Y2-CHOP-ALT

at

TP11

and

POS control

Then

adjust

at

TP13

If

it will

trimmer

switch

x 1000

If

it

trimmer

the

adjust

proper

three

to AC,

connect

until

the

is

the

same as

and

not

capacitor.

to

output

trimmer

will

not

capacitor.

switch

generator

connector, and

to

the

display.

steps

switch

the

the

channel

adjust

the

until

the

switch

TP12.

Adjust

both

read-

Y2

BIAS

ADJ

the

one

adjust

X10

the

adjust,

as necessary,

capacitor for

adjust, then

the

to Y2,

Y1-Y2-EXT-

square

then

1 position,

10 posi-

output

trimmer

the

com-

the

wave

repeat

Y2.

Y1

Y2

as

Y2

VERTICAL CALIBRATION AND
ATTENUATOR COMPENSATION

Refer

to

Pictorial 5-5 (Illustration Booklet, Page 24) for

the following steps.

In

the

NOTE:
switches

1. ( )

following

and

trimmer

Set

the

VOLTS/CM

tion. Use a

the

just
proper

display

steps, use

capacitors.

nonmetallic

x 100

trimmer

like

switch

screwdriver

the

one

the

capacitor for a

channel

to

the

labeled

Y1

0.1 posi­to ad-

RIGHT

If

NOTE:
disregard
Hz signal
the
switch
adjust
high.
clockwise.

you

signal to

to 2 mS, set

the

The

1. ( )

2. ( ) Set

do

not

have

the

next

three

that

is available

the

Y2

INPUT connector, set

the

VOLTS/CM

Y2

CAL control for a

Y2

VARIABLE control

Set

the

generator

the

Y2

a calibrated voltage source,

steps

and

use

the

1 V (P-P) 60

at

the

front panel. Connect

the

TIME/C

switch

display

must

output

VOLTS/CM

to 0.2,

that

is 4.5 em

be

set fully

to

.1

switch

V.

to .02.

and

Page

( if Set

( ) Set

' .

r-

\J

( )

86

3.

( )

the

the

its

output

five

em

Adjust

square

a
shown
Page 24).

Adjust
play 5 em

TIME/CM

generator frequency to 1 MHz

high

the

wave

in

the

Y2

CAL control for a dis-

high.

switch

to

produce a display

.

Y2

H.F. COMP

with a smooth

Pictorial 6-8 (Illustration Booklet,

to

0.2

p.,s.

that

trimmer

leading

and

is four or

capacitor for

adjust

edge

as

the

Set

Adjust

and
complete

torial 6-9 (Illustration Booklet, Page 24).

NOTE :
use

the
switch
a waveform
output
Amplifier

generator frequency

the

horizontal

the

HORIZ POS control so

waveforms

If

a calibrated signal source is

1 V (P-P) 60 Hz output. Set

to 2 mS

can

and

adjust

that

is 8.6

be

used

Adjustments.

em

for

circuit

in

10

em

the

HORIZ CAL control for

long.

The

the

remaining

to

5 kHz.

board

CAL control

there

are

as

shown

not

available,

the

TIME/CM

1 V (P-P) 60 Hz

Horizontal

in

ten

Pic-

Connect

( )

INPUT connector.

( ) Set

VARIABLE control is fully clockwise),
Y2-CHOP-ALT
EXT-LINE
generator

Adjust

( )

a

square

shown

0.2,

If

signal

and

em

NOTE:

disregard
Hz signal
the
TIME/CM
to
is 4.5
fully clockwise.

1.

2.

3.

4.

the

Y1

the

in

you

do

the

next

that

to
switch
adjust

high.

Set

Set

Set

Adjust

em

the

the

the

1 MHz

VOL

switch

until

Y1

wave

Pictorial 6-7.

not

three

is available

the

to

the

The

Y1

generator

the

the

high.

square

TS/CM

switch

the

H.F. COMP

with a smooth

have a calibrated voltage source,

Y1
2 ms,

Y1

Y1

VOLTS/CM

TIME/CM

Y1

switch

to Y1,

to

Y1.

Adjust

display

steps

and

at

the

INPUT connector,

set

the

CAL control for a

VARIABLE control

output

switch

CAL control for a

wave

signal to

to 0.1 (be

and
the

is 4 or 5

trimmer

leading

use

the

front

panel.

VOLTS/CM

switch

to 0.1 V.

to

200

the

sure

the

Y1-

the

Y1-Y2-

square

capacitor

wave

em

high

edge

1 V (P-P) 60

Connect

set

the

switch

display

must

to

that

be

.02.

p.,s.

display

Y1

the

.

for

as

set

( ) Move

( ) Set

( )

( )

5

the

Y1

Set

Readjust
trace

HORIZ POS control

SWEEP LENGTH control

fills

the

the

wave

Set

the

Set

the

{

Adjust

vertically

Adjust
the

trace is

Adjust

starts
graticule) .
"-"

the

trace starts

+I-

adjustment.

AC-GND-DC

the

SWEEP LENGTH control for a

that

is 10

em

the

trace

one

screen.

generator frequency

approximately

Y1

TIME/CM

the

the

the

on

position.

switch

The

AC-GND-DC

Y1

POS control

on

the

screen.

HORIZ POS control so

on

the

TRIG LEVEL control so

the

zero base

Then

move

Adjust

on

back

switch

long (just fills

division

trace is

500 Hz.

switch

screen.

the

and

to

and

again

until

now

to

switch

to 2 ms.

to

line

the

+/-

the

TRIG BAL control so

zero

base

forth to make

to

GND.

the

screen).

the

left

with

the

adjust

the

trace

11

produce a sine

to

AC.

center

the

left

(center of

switch

line. Move

em

the

the

this

the

again

long.

trace

end

trace

the

to

the

the

final

of

HORIZONTAL AMPLIFIER ADJUSTMENTS

( )

Set

the

Y1

to

Refer

( )

Adjust
that

( ) Set

AC-GND-DC

Pictorial 6-4 for

the

SWEEP LENGTH control for a trace

is 10

em

long (just fills

the

Y1

AC-GND-DC

switch

the

following steps.

the

switch

to

GND.

screen).

to

AC.

( ) Move

( ) Move

the

TRIGGER COUPLING

the

trace starting

TRIG ZERO control (on

there

is

no
coupling
and
to keep

Y2

switch

DC

positions. Use
the

the

signal cable from

INPUT. Change

point

movement

back

and

the

trace starting

theY-

switch

moves,

the

when

forth

TRIG

on

Y2-CHOP-ALT

adjust

vertical board)

you

switch

between

LEVEL

the

zero base line.

the

Y1

INPUT to

to

DC.

the

Y1

until

the

the

AC

control

the

switch

If

from
from

Y1
Y1

to

Y2

to Y2.

and

the

Y1-Y2 EXT-LINE

switch

( )

Set

the

generator

VOLTS/CM to 0.05

output

for a 4

em

and

readjust

display

Page 87

the

again.

( )

Now
Y2

channel.

repeat

the

trigger zero

LOW-CAPACITY PROBE

NOTE:
gard

If

you

the

following

do

not

have a

steps

low

and

sembly."

( ) Set

the

Y1-Y2-CHOP-ALT

TRIGGERING

switches

AUTO.

Set

the

Set

TIME/CM

the

Y1

VOLTS/CM

switch

VARIABLE control fully clockwise.

( )

Connect

a low-capacity

connector.

( )

Connect

the

probe

to

a 1 kHz

nal.

. ( )

( )

( )

Adjust

display

Adjust
for a·

shown

Set

Readjust

play

Adjust
square
ment,
capacitor

the

that

the

proper

in

the

VOLTS/CM

the

.

Y1
wave.

readjust

#1

output

is 4

of

em

the

high.

compensation

square

wave

Pictorial 6-7.

switch

generator

trimmer

If

capacitor

you

cannot

the

until

the

played.

adjustment

capacity

proceed

switch

to

Y1, AC,

to

200

switch

probe

generator

capacitor

with

to

output

make

probe

correct

for

the

probe, disre-

to

to

~J-S.

to

0.05

to

the

square

to

on

no

overshoot

"Final

Y1

Y1

As-

and

the

+,

and

and

the

INPUT

wave

sig-

produce

the

probe

as

0.5.

for a 4

#1

capacitor

for a

this

em

dis-

proper
adjust-

and

waveform is dis-

( )

Adjust

trimmer

wave.

If

NOTE:
proper

( ) Repeat

necessary,

square

the
Probe"
Y1

is called for,

adjust

channel

for

compensation

you

will

channel

ments

when

( ) Disconnect

PHASE ADJUSTMENT

( ) Change

CHOP position.

( ) Change

tion.

( ) Set

a

, ( )

the

DC,

+,

Adjust

four TRIGGERING

and

the
controls for a
Pictorial 6-10.

( )

Adjust
6-5) so
the

the

there

beginning,

zontal trace lines.

Turn

( )

off

unplug

This

completes

Proceed to

the "Final

ual.

capacitor

repeat

wave

previous
the

Y2

the

is displayed.

steps

channel. However,

insert

Y2.

Y2

without

capacitor.

be

able

to

use

the

and

will

not

need

using

the

probe.

the

Low-Capacity Probe.

the

Y1-Y2-CHOP-ALT

the

TIME/CM

switch

AUTO positions.

SWEEP V AR

pattern

PHASE

is

no

similar

ADJ

vertical

between, or after

the

Oscilloscope POWER

the

line

cord

.

the

Calibration of

Assembly"

#2

for a

proper

previous

under

"Low-Capacity

steps

square

until

whenever

If

may

be

changing

If

this

same

probe

to

make

to

switches

Y1

POS

to

possible

the

happens,

on

any

switch

the

2

to

the

and Y2, POS

that

shown

probe

either

adjust-

to

IJ-S

posi-

EXT,

to

then

the

in

control (see Pictorial

trace

information

any

the

Oscilloscope.

section

of

the

switch

of

the

at

hori-

and

Man-

a