Heathkit IG-18 User Manual

:IIEAT:IIKIT®

PRICE

$2.00

A.SSElM:BLY"

lM:A.N"t.T.A.L

Copyright Q 1968

Heoth Compony

A/I.,,ff,:.

",,,,,J

SINE-SQUARE

AUDIO

GENERATOR

MODEL

IG·18

595-1179-05

Assembly

and

Operation

of

the

SINE-SQUARE

MODEL

16-18

AUDIO

GENERATOR

BENTON

HEATH

HARBOR,

COMPANY

MICHiGAN

49022

Page

2

TABLE OF CONTENTS

INTRODUC TION. • UNPACKING

WAVE GENERATOR Parts

Step-By-Step

Circuit Circuit

List

••••••••••••

•••••••••

Assembly Board Board

Mounting. Assembly.

• • • • • • • I-••

'"

••••••••••••••

3

4

5

6

7

POWER

Parts

Step-By-Step

SWITCH

SUPPLY

Ltst.

Circuit

PRE

. . . . .

Assembly Board

WIRING

Parts List. . . . . .

Step-By-Step

Multiplier Tens Units Square Sine Wave

CHASSIS ASSE MBL Y

Parts

Step-By-Step

TESTS

Tests.

Adjustments.

FINAL ASSEMBLY OPERATION APPLICATIONS. • •

IN CASE

List.

Front

Unit Top Bottom 120-240 Knob Test

AND

. . . . . . .

Troubleshooting

Factory

Assembly

SWitch. • • • • • • •

Frequency

Wave

. . . . .

And

Assembly.

Chassis

Installation.

Lead

ADJUSTMENTS

••••

OF

Amplitude

Assembly

Rear

Wiring.

VAC

Wiring

Assembly

• • • • •

••

DIFFICULTY.

Repair

.........•.......

Mounting And

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

Switch. • • • •

Switch. •

Switch

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

Panel

• • • •

• • •

Wiring.

Alternative.

• • •

••

.......

••••

• •

til

Chart.

Service.

•••••••

Subassemblies.

•••

.

•

• •

Assembly.

••

. ....... .

.

•

..

. ....

*'

,.

*'

,.

...

. ...

••

..

11

12

15

'"

•

16 17

18

19

..

37

39

41

45

47

50

57

58 59

SPECIFICA

CIRCUIT DESCRIPTION Sine

Wave

Square

Power

CIRCUIT BOARD CHASSIS PHOTOGRAPHS.

REPLACEMENT SCHE

MA

TIONS. • • •

Generator

Wave

Supply

Generator

•••••••••••••

TIC. • • • • (fold-

••••••••

X-RAY

PARTS

••

VIEWS.

PRICE

out

from

LIST

page).

••

• •

...

60

63

65 65

67

69

71

75

INTRODUCTION

The Heathkit Model IG-18 Sine-Square Audio Generator has been designed for laboratory use testing. kHz. Low distortion (less available from

.003 volt

make for gain harmonic distortion measurements, or

modulator for an

Square wave signals with a rise time of 50 nanoseconds are available from 5 volts. These clean square wave signals can be used for checking frequency response in audio equipment, or as a trigger for testing digital instruments.

Sine wave signals are available between 1

10

Hz

to

100 kHz. The

to

10

volts. These

it

ideal for such applications

and

frequency response,

RF

signal generator.

Hz

to

100 kHz

as

well

as

for service and

than

.1%) sine wave signals are

output

is

stepped from

high

quality sine

as

testing audio amplifiers

as

a signal source for

as

at

output

levels up

Hz

and 100

wave

signals

ap external

to

10

The sine level used either simultaneously or independently.

The sine wave (10 600 ohm loads in ranges up output greater.

Other features include: A panel meter for monitoring the sine wave switch-selected circuitry for maximum reliability. All of these features combine attractive signal source. addition

and

square wave frequencies are identical and

of

each is independently adjustable. Both signals may be

output

will operate into high impedance loads

kn

or higher) in all

is

designed

output;

to

repeatable selection of any frequency;

600 ohm internal load;

to

provide you with a versatile, accurate, and

your

laboratory or workbench.

output

ranges, or

to

operate into loads of 2000 ohms or

It

will be a valuable and useful

it

will opcrate into

1 volt. The square wave

and

all solid·state

thc

HElATHKIT®

3

UNPACKING

This

kit

is

packed which of have

(Pack numbered the carton

Each its At be will

package

assembly

contains

loose

parts.

numbers 1 through 3 stamped

#1,

Pack

packages

large

will

carton,

make

assembly

own

Parts

List

the

beginning of

told

which

also

be

directed

#4

that

section.

in a large

smaller

Some of

#2,

Pack

have

the

up

package

section

and

Step-By-Step

each

numbered

to

are

required

packages

remaining

of

the

smaller

#3).

After

been

#4. the Parts

package

remove

to

shipping

and a

packages

these

removed

parts

Manual

instructions.

List

to

open. You

the

parts

complete

carton,

number

on

them

three

from

in

the

contains

you will

from

that

To avoid parts at

the

Any

wml:.er

tools,

sembly

To order replacement parts, Price List" and use the Parts Order kit.

wiring,

procedures.

do

not

directed

the

Parts

in

an

on

it,

it

is

open an;

to do

Sl

Lists individua should b

identifiel

th

4

HEATHK

WAVE

GENERATOR

PART

No.

RESISTORS 1/2

Watt

(1)1-54

1-66 1-97 1-98 1-89 1-16 1-20 1-47 1-29

1 Watt

(2)1-56-1

CAPACITORS

(3)20-128

(4)

21-16

(5)25-200

PARTS Per

Kit

2 2 3 2 2 2 6 1 1

1

1 1 1

PARTS

Open

the following

parentheses

the

from

DESCRIPTION

15 n (brown-green-black) 150 n (brown-green-brown) 1100 n

1600 n 2400 n 4700 n

10

kn

56

kn

220

kn

1200 n

470

pF

.01

fJ.F

.68

fJ. F electrolytic

package

Wave

Page

(brown-brown-red) (brown-blue-red) (red-yellow-red)

(yellow-violet-red)

(brown-black-orange)(13)259-1

(green-blue-orange)(14)252-3

(red-red-yellow)

(brown-red-red)

resin disc

#1 and

Parts

correspond

Generator

5).

LIST

check

List.

Parts

(10)417-154 3 2N2369

(11)250-89 (12)254-1

(15)250-175 (16)254-7 (17)252-51

(18)260-24 1

(19)

each

part

against

The

numbers

to

the

numbers

Pictorial

PART

No.

Diocles-

(9)417

-94

417 -201 2 X29A829

HARDWARE

MISCELLANEOUS

412-66

85-257-2

(fold-out

PARTS DESCRIPTION Per

Kit

Transistors

3 2N3416

8

7

1

8

1 2

1

1 1 Wave

in

on

(cont'd.l

6-32 #6 #6 6-32 2-56 x 3/81! #3 2-56

Lamp

Lamp Solder

X 3/81!

lockwasher solder

nut

lockwasher

nut

transistor

screw

lug

screw

clip

generator

circuit

board

CONTROLS

(6)10-155

10-201

DIODES-TRANSISTORS

(7)

56-26

(8)

56-56 57-65

HEATHKIT®

2 2

2

1 Silicon diode

2 Silicon diode

750 n

10

kn

Crystal

diode

PARTS FROM -PACKAGE

(20)200-516

597-308

597-260 391-34 490-5

1 1 1 1

1

#4

Chassis Kit

Builders

Parts Identification Nut

Manual (See part

Order

starter

number.)

Guide

Form

label

front

cover

for

5

page

5b

WAVE

GENERATOR

®

PARTS

PICTORIAL

®

@

® ®

@ ®

®

Page

6

CIRCUIT

( )

NOTE: A kit. and Kit

( )

NOTE: Due circuit four of

each

board Proceed

BOARD MOUNTING

Position shown in

plastic

Use

this

2-56

nuts

Builders Refer

generator

Use

eight

lockwashers,

6-32

nuts.

lug.

board

Pictorials.

Pictorial

to

be

to

the

chassiS

Pictorial

nut

starter

on

screws.

Guide

to

Detail

circuit 6-32 x

one #6

Note

to

its

is

shown

A

shows

assembled.

the

Circuit

STEP-BY·STEP

in

front

1.

starter

Refer

for

further

1A

board

3/8"

the

position

size, small

the

Board

is

to

hold

and

screws,

solder

only

in

each

drawing

area

Assembly

of you

supplied

and

to

fasten

to

lug, and

one-hali

as

with

start

Page

3 of

information.

the

chassis.

seven

of

the

solder

of

the

at

the

of

the

circuit

section.

it

is

this

6-32

the

wave

#6

eight

the

ASSEMBLY

#6

Detail 1 A

0

\~

e

CJ09~

G

~

+

:CJ:

+

iI:B

0$8]

o +

POWER

SUPPLY+

CIRCUiT

BOARD

QD

0

e

6

~

I I

DO

0(:>-

80-=-

e

P-E}

.~~OlCt?S~O

",

00

1

Q'o

$0

u

e

WAVE

CIRCUIT

aqooo~

GENERATOR

BOARD

OO~

(0

P-

@

I

~

e

0

e

y)

~

PICTORIAL 1

~

Page

7

CIRCUIT

BOARD ASSEMBLY

START

..

FOR

GOOD

CONNECTIONS, KEEP

IRON

TiP

WIPE DAMP

SPONGE

1600 n 1200 n 150 n

..

) 10

10

Prepare this combination before installing (brown-black-orange) silicon diode

(#56-56).

SOLDERED YOU

THE

IT

CLEAN.,.

OFTEN

Kn Kn

MUST

SOLDERING

WITH

OR

CLOTH.

(brown-blue-red),

(brown-red-red)

(brown-green-brown),

(brown(brown-black-orange).

it

on

the

A

black-orange),

circuit board: 10 K

~_'

..-/,

~

~~~,

~

IDENTIFICA

The

steps

area

on

of

this

!

;;

/ I

j

1

watt.I--+~~~"'"

TION DRAWING

this

Page

the

circuit

board

CONTINUE

Q

•

and lengths,

NOTE: clip,

bend

the

screw

in

the breakage sion.

Mount hardware,

(brown-

(red-

cut

Before

its

head

clip,

from

the

W 2-56 x 3/8"

yellow-

mounting

sides

to

pass

and

too

lamp

blue-

out

to

prevent

much

clip

red).

red),

by

the

spring

with

SCREW

lead

lamp

permit

ridges

lamp

ten-

the

#2

CD

t;/

~;(/

l'»,f{:)

?~

WRAP

DIODE LEADS-

J~

I J

()

~

CD

)fg

( ) Install this combination

banded end markings

on

( )

Solder and lengths,

all

cut

/

SOLDER

of

the

diode matches the

the circuit board.

the

leads

off

the

~

CUT

DIODE

so

to

excess

EXCESS

LEADS

that

the

lead

the

foil

PICTORIAL

2

/iPl~~i;i:~;

,'::~.:.::',':.:@J.:#

3 L 0 C K

ell

WAS

P

HER

:·.~?\\::::~~}:·~~8~~~~::)~··;:~·:

~#3

LOCKWASHER

®

2-56

NUT

( )

Slide

the

lamp

into

the

lamp

the

3,

clip

leads

each

the

in-

circuit

foil

lead

from

NOTE: are other,

( )

Make

not

Insert

dicated

board,

Solder and

lengths.

PROCEED

one

end

certain

crossed

the

leads

holes

both

cut

off

TO

of

the

clip.

the

or

touching

through

on

the

leads

to

the

excess

PICTORIAL

SWITCH

PREWIRING

PARTS

PICTORIAL

'-

_:

OR

CD

-.,.

..,I

J-

r

'-

~

=CI

~.

OR~

~

GR~

~,

,.

BLK

BRN

(2)

Page

8

( )

MAY

START

..,.

15 Q

(brown-green-black),

15

Q'

(brown-green-black).

10 kQ

(brown-black-orange).

10 kQ

(brown4700 Q 56 kQ

,68 NOTE: lead

SIGN

(yellow-violet-red),

(green-blue-orange),

IJ-F

electrolytic

Position

as

shown.

BE

MARKED WITH

(+)

OR

black-orange).

capacitor.

the

positive

POSITIVE

COLOR

DOT

(+)

IDENTIFICATION

PART

NUMBER

The

steps

on done cuit

in

board,

this

area

DRAWING

page

are

of

the

cir-

CONTINUE

NOTE: When cathode shown cathode a or a symbol.

CO

color

LO

R

end

on

end end,

the

~

COLOR

001

)!fr

)

Silicon

150 Q

(brown-green-brownl.

10 kQ

(brown-black-orange),

220 kQ

1100 Q

Solder

and

cut

lengths.

o

installing

must

circuit

is

marked

color

diode diode

(red-red-yellow).

(brown-brawn-red),

(brown-brown-red).

(brown-brown-red). all

the

off

be

positioned

board,

dot.

SYM

(CATHO

END~

~

COLO

BAND

~

(#57-65) (#57-65)

leads

the

excess

diodes,

to

the

as

The

either

band

( )

Solder foil lead

all

and

cut

lengths,

the

off

leads

the

to

the

excess

PICTORIAL

3

PROCEED

TO

PICTORIAL

START

Page

9

(

),01

fl F

chassis capacitor edge

of

#6

solder

each

lead

cess

leads,

NOTE: When sure

to shown. end.

position

The

;jY

CATHODE

( ) IN191

white-brown) position

•

disc

capacitor.

over

lead

the

circuit lug to

its

installing

cathode

COLOR

END

crystal

of

the

and

closest

(S-I).

foil,

the

cathode

end

diode

at

banded

Turn

connect

to

board

to

Also,

solder

Cut

off

diodes,

end

is

the

banded

(brown-

D3. Note

end.

the the

the

ex-

the

be as

IDENTIFICA TION DRAWING

The

steps

on

this

area

of

the

page

circuit

board,

are

done

in

CONTINUE

NOTE: low collector (E) transistors, the press tor board, transistor

( )

Refer

to

determine

(C),

leads

of

holes

in

down

is

about

Bend

Transistor at

(:;8,

Transistor at

Q7.

Transistor

at

Q6,

Q

to

the

HhlstJration

the

lo{:ation

base

(B),

the

2N2369 (#417-154)

Align

the

circuit

gently

until

1/4"

from

the

in

leads

place.

2N2369 (#417-154)

leads

board,

the

transis-

the

to hold

circuit

the

( ) IN191

white-brown)

position

Solder

cut

off

crystal

of

the

all

leads

the

excess

diode

at

D4. Note

banded

to

lead

end.

the

(brown-

the

foil

and

len

hs.

PICTORIAL

4

( )

Solder

to

the

lead

lengths,

NOTE: the the dered,

( ) 10 krt

PROCEED

It

control control

10 krt Solder

the

foil.

all

the

foil

and

may

be lugs in

place

control

all

TO

PICTORIAL

transistor

remove

necessary

out

slightly

until

(#10-201).

the

control

the

it

leads

excess

to

bend

to

hold

is

sol-

lugs

5.

to

POWER

SUPPLY

PART

No.

RESISTORS-CAPACITORS

(1)1-1

1-89

(2)25-126

DIOOES-TRANSISTOR

(3)

56-66 (4)57-65 (5)417-178

HARDWARE

PARTS DESCRIPTION Per

Kit

1 1

1

2

1

47 n

(ye How -

2400 n

(red-yellow-red) 50

VR Silicon

40389

Open

the

entheses er

1/2

/-LF

capacitor

43

zener

diode

transistor

package

following

Supply

watt

violet-

1/2

PARTS

correspond

Parts

resistor

black)

watt

diode

#2

and

Parts

Pictorial.

resistor

LIST

check

List.

The

to

the

numbers

70

each

part

numbers

on

PARTS

....

1.....

.

against in

par-

the

Pow-

PICTORIAL

CD

8r~r.Ui""1

(6)250-89 (7)254-1 8 (8)252-3

MISCELLANEOUS

54-205

85-256-2 344-50 344-52

HEATHKIT

4

6-32 x 3/8"

lockwasher

#6

6-32

Power

Power Black Red

wire

nut

8

1 1 1 1

®

screw

transformer

supply

wire

circuit

board

CD

~J'

©

CD

@

11

Page

12

CIRCUIT

( )

Refer

four

ers,

6B.

BOARD

Detail

circuit

x

four

STEP-BY-STEP

MOUNTING

6A

board

3/8"

screws,

6-32

nuts

AND ASSEMBL Y

and

fasten

to

the

chaSSis. Use

four

#61ockwash-

as

shown

the

in

Detail

power

Detail

ASSEMBLY

6B

CONTINUE

NOTE: When cathode shown

thode

color a

COLOR

on end end,

symbol.

end

the

is

color

~

o

installing

must

be

circuit

marked

dot,

(CATHODE

diodes,

positioned

board.

The

with

either

color

band,

SYMBOL

~

the

as

ca-

a

or

Perform

47

r;z

) 2400 )

Install

178

and

either Line rect sistor

)

Solder

and

lengths.

steps

on

Pictorial

START

..

(yellow-violet-black).

(red-Yellow-red).

40389

transistor(#417-

QI0.

The

emitter

side

each

and

ID:tE~

SPAC~

C\~E

all

cut

off

(E)

of

the

lead

position

the

c B

the

collector

leads with

circuit

leads

wide

the

to

excess

are

space,

cor-

tran-

board,

the

lead

(C)

on

foil

6.

..

.......

:-:.:

;.;.

....... .

PICTORIAL 6

001

~

Silicon Silicon

Zener

at

50

)

NOTE:

on

the

(+)

mark

( )

Solder

and

lengths.

This

completes

the

power

cept

for

citors

Proceed

power

diode diode

diode

D7.

/IF

tubular

Match

the

capacitor

on

the

circuit

all

the

cut

off

the

supply

the

three

which

will

FI N ISH

with

transformer.

the

COLOR

BAND

~

(#57-65) (#57-65)

VR 43 (#56-66)

capacitor. positive with

leads

the

construction

circuit

300 be

mounted

mounting

the

board.

to

excess

board

/IF

60 V

at

(+)

mark

positive

the

lead

capalater.

of

D5, D6.

foil

of

ex-

the

Page

13

Refer

to ( ) Mount

Connect

power

( ) ( ) ( ) The

NOTE: When

easier

ahead wires

be

ends

( )

to

Pictorial

Detail

7 A

the

side

of

ers,

and

the

supply

One

red

Red-yellow

other

to

of

time,

are

used.

Prepare wire:

of

Remove

each

prepare listed

7 (fold-out

for

the

following

power

the

four

power

circuit

transformer

chassis

6-32

transformer board

to U (8-1).

to

V (8-1).

red

to X (S-l).

wiring

the

as

in

the

1/4"

wire.

the

following

with

nuts.

this

lengths the order

of

from steps.

to

four

#6

leads

as

follows:

kit,

you

of hookup

following

in which

insulation

lengths

Page

17) and

the

under-

lockwash-

to

may

find

step.

they

from

of hookup

the

it

wire

The

will

the

Detail

7A

OP

OF

CHASS I 5

6"

red

5-1/2"

Twist twisted

( ) At

The Recheck

prewiring.

the

black

NEG (S-1)

the

1" 3"

the wave

chassis

black

these

Wire, connect

(S-l)

in

other

generator

your

two

pair

as

end of

black red

this

and

the

power

end of

wire

subassembly

work;

shown

the

circuit

wires

to hole A POS (S-1) in

thEm

together

in

Detail

twisted

the

black

"red

wire

supply

this

twisted

to

hole C NEG (S-1) and

board.

is

proceed

1"

I

pair

wire

to

circuit

pair,

now

to

form

7B.

with

to

hole

connect

complete.

the

2"

I

the

hole Y Z POS board.

switch

a

2"

the

~

2"

BlK

~3/4"

RED

3"

I

4"

I

Detail

78

3"

RE

5"

I

D

I

1"-

r-sLK"1

I

6"

I

Page

14

SWITCH

PREWIRING

PART

No.

PARTS Per

RESISTORS

(1)1-83 1

1-84 1-66 1-94 1-63 1-131

1-96 1-97 1-98 1-89

1/2

Wcrtt.

1 %

(2)2-249

2-248 2-247 2-50 2-97 2-98 2-99 2-11

CAPACITORS

1 1 1 2 1

1

5 5

1

2 2 2 2 2 2 2 2

1

Kit

Open the theses Pictorial

DESCRIPTION

n

(green-blue-black)

56 62

n

(blue-red-black) 150 n 390 n 510 n 620 n 750 n

1100 1600 n

2400 n

2500 n (2.5 3300 n (3.3 5000 n

10 kO

25

33.3 50 100

.005

(blue-red-brown) n

kn

500

pF

p.F

package

following

(brown-green-brown)

(orange-white-brown)

(green-brown-brown)

(violet-green-brown)

(brown(brown-bIue-red) (red-yellow-red)

kn) kn)

(5

kn)

PARTS

#3 and

Parts

correspond

(fold-out

brown-

LIST

check

List.

The

to

the

numbers

from

Page

PART

No.

Capacitors

27-83

(5)27-82 1

27-81

SWITCHES-CONTROL

(6)63-485

red)

(7)63-486 (8)63-487

(9)63-488

(10)252-7 1

WIRE

344-50 344-51 344-53 344-54 344-55 344-56 344-59

each

part

against

numbers

6).

inparen-

on

the

Parts

PARTS DESCRIPTION Per

Kit

(cont'

d.

1 1

1

2

1

1 1 1 1 1 1 1

8-position control 3-position control 11-position 4-position Control

Black Brown Orange Yellow

Green

Blue

White

NUT

wire

nut

wire

rotary rotary

rotary

with 5000

with 400

[I

HEATHXJ:T®

15

Page

16

All of lug

switches

but

the

locations,

not

each

location numbering knob end of designated for

example,

For

your

wiring

be

temporarily

it

is

prewired.

MUL

TlPLIER

Refer

( )

to

Pictorial 8 for

Refer

to rotary Use a control finger

STEP-BY-STEP

rotary

runs

the

"FIT

is

Detail

switch

tight.

switch

numbered 1 through

all

twelve

will

still clockwise switch.

for

lug

mounted

The

front

and

number 2 onthefront

to

SWITCH

8A and mount

(#63-488)

nut.

Turn

wafers

locations

be

numbered.

as

viewed

switch

"R"

for

each

the

chassis

the

following

the

in

chassis

the

nut

have

twelve

12. In are

from

wafers

rear.

switch

4-position

hole

down only

some

are

will

while

steps.

L.

ASSEMBLY

MULTIPLIER

(63-466)

r!i'b

1

-l/

2"

WHT

PICTORIAL 8

SWITCH

9"

ORG

Connect plier

NOTE: may

switch

Either

be

wafer. ( )

Connect a .5

(8-1) to

( )

Connect to

lug

Detail

the

components

as

directed

end of

connected

lug

R2

a 5

f.LF

Rl

(8-1).

SA

and

in

the

following five

to

either

f.LF

capaCitor

(8-1).

capacitor

wires

the

following

the

from

to

the

capacitors

front

from

lug

Multi-

steps.

or

lug

F1

rear

F2

(8-1)

)

Connect a .05

to

lug

R3 (8-1).

Connect (8-1)

to

Connect a 500pF

to lug R5 Prepare

1-1/2"

9"

orange

( )

Connect

to

lug

nected

Connect

Fll

lug

nected

This

completes switch. inspect should will is

be

called

Remove your

soldered

used

for

a .005

lug

(S-l).

thE~

white

one F7 later.

one (8-1);

later.

work.

later.

f.LF

calt:l<lC~1tc,r

f.LF

Call1a(~it()r

from

lug

from

R4 (8-1).

calpac~itc,r

fClllc}wing

end

of

the

end

of

the

other

the

prewiring

the

switch

All

of

except

Set

the

from

lug

lelogths of hookup wire

the

other

the

from

the

lugs

switch

1-1/2"

9"

end

lugs

end

orange

of

the

on both

R7

and

white wirl

will

chassis

aside

F3

(8-1

lug

F,

F5

(8-1

be

con·

wire

be

con

Multiplie

an

wafer

Rll

whic

until

t

'

Page

17

TENS FREQUENCY SWITCH

Refer from

( )

NOTE: Use

Center

soldering. ( )

( )

NOTE: and

the

it

tions

connection.

to

this

Fasten

487) in turned on

the

switch.

each

Pass through beside the

end to

lead

to

nut. Connect

F5

(8-1).

Where a wire

then

goes

connection

will

count

(8-2),

the page)

an

chassis

down

rear

1%

resistor

one

lug

lugs

touch

the

as

one

top view

for

ll-position

wafer

resistors

lead

R5 (N8). Bend R6

lug

other

to

another

and

two

of

Pictorial 9 (fold-out

the

following

hole

L.

finger

the

entering

tight.

for

proper

in

between

of a 3300 n (3.3 kQ)

(N8)

and

R7 (N8);

R8

(N8).

switch

lead

of

passes

point

comes

wires

in

steps.

rotary

the

through a connection

in

the

and

Use a

Refer

positioning

following

the

wafers

the

lead

Do

spacer

this

resistor

(or

passes

contact

solder

one

switch

then

not allow

(#63-

control

to

the

steps.

before

resistor

so

it

connect

post

or

to

beside with it), instruc-

leaving

nut

lugs

of

lies

the

lug

the

( )

Connect Rll

Connect lug F12 (8-3)

Connect

(8-3)

( )

Connect lug lugs

( )

Prepare

wire:

2" 5" 3-1/2"

3"

2-1/2"

Connect

(8-3)

the

(S-1).

a 2500 n (2.5

a 10

to

lug

a 5000 Q

F2

(N8)

at

R2.

the

brown brown

yellow

the

and

R5 (N8).

other

lead

to

lug R12 (8-1).

kn

resistor

R1 (8-1).

to

lug

2"

brown

of

this

kQ)

(5

kQ)

R2 (8-1).

lengths

between

resistor

from

resistor

80lder

of hookup

to

from

lug

from

lugs

lug

Fl

both

F2

( ) Connect one

rE;ls~stor

through by R6 (8-3).

Connect

(8-1)

( )

Connect

F8

both

Refer

following

( )

to

Pass through beside nect Fll

to

lug R6 and

to

lug

a 5000 Q

(8-1)

lugs

the steps.

one

lug

lugs

the

(8-2).

a 10

to

at

bottom

lead

end

lead

of a 2500 Q (2.5 kQ)

lug

F6

(8-1).

Insert

around

kn

resistor

R7

(8-3).

(5

lug R8 (N8). Be

F8.

view of

of a 3300 Q (3.3 kQ)

Fll

(N8). Bend

F12

(N8)

to lug

F2

the

kQ)

resistor

Pictorial 9 for

and

Fl

(N8).

1"

I

the

Now

the

wire

from

sure

lead

(NS);

other

passing

lug

from

to

solder

resistor

so

it

then

solder

2"

I

lead

F7

lug

the

lies

con-

lug

( )

Connect

lug R5 (8-4), will

be

NOTE: In wires

( )

This

quency the them

a

wire and chassis

the

as

shown

Connect

and

the Solder these

completes

switch.

lugs

at

and lug R8 which

attached

soldered

and

one

end

The

connected

one ,

3"

both

wires

F4

later.

set

will

the

All

to

it

aside

POSitiOIl

Pictorial

wires

be

connected

prewiring

should

have nothing

has

a 5000 n

it.

These

Remove the

until

it

lugs

4"

!

5"

brown

end of

tl1te

9.

to lug RIO (8- 3).

The

of

the

be

soldered

will

switch

is

called

wire

this

three

yellow

the

2-1/2",

free

ends of

later.

Tens

except connected resistor

be

wired

from

for

5"

l

to

wire

Fre-

to

and

to

the

later.

6"

I

PICTORIAL

7

TENS

TOPVIEW

FREQUENCY

(63-487)

SWITCH

BOTTOM

PICTORIAL

VIEW

3"

9

Page

18

UNITS FREQUENCY SWITCH

Refer

lowing

( )

NOTE: Use Center before

( )'

to

the

top view of

steps.

Fasten

487)

turned

on

this

in

the

rear

switch.

each

an

chassis

down

1%

resistors

resistor

soldering.

Pass

one

lead

lug

R5

(NS). Bend

lugs

R6

(NS)

end

to

lug

R8

Connect lug

F5

the

(S-l),

Connect a 25

Pictorial10for

ll-position

hole

finger

wafer

for

between

of a 33.3 kQ

the

and

R7

(NS).

other

kQ

lead

resistor

L.

tight.

proper

in

lead

(NS);

to lug R6 (S-3). Connect

to

Connect a 50

to

Refer

to

following

( )

Pass

lug

side

a 100

lug R7 (8-3).

kQ

lug

R8

(N8).

the

bottom

steps.

one

lead

Fll

(NS). Bend

lugs

F12

kQ

resistor

Solder

view of

of a 33.3

the

(NS)

and F1

the end to lug F2 (NS). Now

(S-2).

Connect

Rll Connect

the

(8-1).

a 25 kQ

other

lead

resistor

to lug R12 (8-1).

rotary

switch

Use a control

Refer

to

positioning

the

following

the

switch

resistor

so

it

lies

then

connect

of

this

resistor

from

lug

from

lug

from

lug

both

lugs

Pictorial

kQ

resistor

lead

(NS);

so

then

10

it

solder

of

this

resistor

from

lug F12 (S-3)

the

fol-

(#63-

nut

the

lugs

steps.

wafers

through

beside

the

F6

(S-l)

F7

(8-1)

F8

(8-1)

at

F8,

for

the

through

lies

beconnect lug

Fll

to

lug

UNITS

TOP

VIEW

of

3-1/2"

BRN

to

( )

Prepare

2"

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

the

brown

brown brown

white

5" white

Connect

a 2"

(S-3) and

( ) Connect one end of a

to

lug

R5 (S-4).

connected

( )

Connect to

of wire,

one end of a

lug R8 (S-3), Remove a

insulation

which will

( ) Connect one end of

the

5" white

(S-3).

will

Solder

be

connected

FREQUENCY

following

brown

R5

(NS).

later.

from

both

(63-487)

The

be

connected

wires

lugs

later.

let1LgtllS

the

free

the

4",

to

both

at

F4.

SWITCH

BOTTOM V lEW

()f

h'oolrup

brown

total

end of

later.

the

4-1/2"

lugs

The

of

free

wire:

wire 3/4"

this

and

at

ends

F2

F4

Connect

)

(S-3)

)

Connect a 50

to

a 100

lug

R1

R2

kQ

(S-l),

kQ

(S-l),

resistor

Solder

from

both

lugs

lug

Fl

lug F2

at

R2.

This

completes quency switch. All except

the

two

the

prewiring

lugs

at no connection. Rem ove chassis

and

set

it

aside

later,

of

the

should

RIO, which

the

switch

until

it

Units

be

soldered

should

from

is

called

Frehave

the

for

Page

19

SQUARE WAVE AMPLITUDE SWITCH

Refer

to

Pictorial 11 for the following steps.

( ) Fasten

chassis hole L. Use a control tight.

NOTE: When you install resistors on the Square Amplitude switch, position each resistor Pictorial.

( ) Connect a

lug 6

(

->

Connect a 510 lug 5

( ) Connect a 62 Q (blue-red-black) resistor from

(S-3)

( ) Connect a 56

(S-2)

( ) Prepare

the

3-position

510

n.

(NS)

to

lug 5 (NS).

n.

(NS)

to

lug 4 (NS).

to

control lug 1 (NS).

n.

(green-blue-black) resistor from

to

lug 2 (NS).

the

following lengths

rotary

(green-brown-brown) resistor from

(green-brown-brown) resistor

switch

nut

turned down finger

as

of

hookup wire:

(#63486)

shown

Wave

in

the

SQUARE

-

WAVE

AMPLITUDE

(63-486)

PICTORIAL

SWITCH

BLK

11

2"

green

2"

black 3-1/2" green 2-1/2" black 4-1/2" black

( ) Connect a

2 (S-l).

( ) Connect a

1 (S-2).

NOTE: Only switch connected later.

in

one

each

2"

green wire from 6

2"

black wire

end

of

a wire

of

the

1"

I

Connect a 3-1/2" green wire

Connect a 2-1/2" black wire

Connect a 4-1/2" black wire

2

completes the prewiring switch. All switch lugs and control lugs 1 and 2 should have soldered connections. Control lug 3 should have no

the

called for later.

4"

I

2"

I

connections. Remove aside until

it

is

3"

I

to

lug 3 (S-l).

to

lug 2 (NS).

to

lug 2

of

the

Square

switch from

(S4).

Wave

the

chassis and set

5"

I

Amplitude

6"

,

it

Page

20

SINE WAVE

Refer

to

Pictorial

steps,

( )

Fasten

in

485) turned

NOTE: have and be shown body cular, touch

many

quite

sure

in

or

the

The

close

to

the

leads

make

moving

Connect

sistor

Connect

sistor

Connect from

lug

Connect

from

lug

AMPLITUDE

12

view A for

the

8-position

chassis

down

hole

finger

tight,

Sine Wave

resistors

to

position

Pictorial.

to

sure

the

touch

that

on

switch

each

Do

parts

an

1100 g

from

a 750 g

from

a 1600 g

lug

(brown-brown-red)

F8 (violet-green-brown)

F5

(brown-blue-red)

F7 (S-2) to lug

a 1600 g (brown-

F8

(S-3) to

SWITCH

rotary

L.

Use a control

Amplitude

it

that

itself.

resistor

not allow

other

or

the

(NS)

parts.

resistors

posts

to

F8

(NS).

blue-red)

lug

F9

(NS),

the

following

switch

pass

through

Therefore,

as

the

resistor

In

of

the

switch.

lug

F5

lug

F7

resistor

(#63-

nut

will

it

is

parti-

do not

re-

(NS),

re-

(NS).

Connect

( )

from

lug

( )

Connect

sistor

from

Connect from

lug

Connect

sistor

from

Connect

resistor

of

the

lead.

3/4"

from

will

be

connected

( ) Prepare the

1-1/2" blue

5"

blue

3"

blue

2-1/2" blue

1-1/4"

( )

Connect a 1-1/2"

FlO

a 1600 n

Rll

(S-3)

a 390 n

lug

a 2400 n

Rl

(S-2)

a 150 n

lug

R2

one

lead

to

lug

R2 (S-3), Use

Cut

the

fol!oVicine:

and

R9

(brown-blue-red)

to

lug R12 (NS).

(orange-white-brown)

R12 (S-3)

to

lug

(red-yellow-red)

to

lug

R2

(NS).

(brown-green-brown)

(NS)

to

of a 620 n

off

the

resistor

control

(blue-red-brown)

other

body.

lug 2 (S-l).

the

full

lead

at a point

This

later.

lengths of hookup

blue

wire

mre:

between

(S-l).

resistor

re-

Rl

(NS).

resistor

re-

length

lead

lugs

Connect from

Pass

( )

red) lug 1 (S-l),

( )

Connect

lug

Refer steps,

Connect sistor

Prepare resistors leads

Connect

resistors

At resistor sistor

( )

Connect from

lug

one

resistor

RIO (NS).

to

Pictorial

from

at

the

other

to

lug

a 1600 n

F9

lead

(brown-blue-red)

(NS)

to

of

an

through

Use

the

other

12 View B

an

1100 n

lug

F9

two 1100 n

by

attaching

one end

the

to

to lug

a 1600 g

as

common

lug

R3 (NS).

end

of

lug R12

Rll

(NS). (brown-blue-red)

RIO (S-3)

resistor

lug

RIO (NS).

1100 n

lug

full

lead

(brown-brown-

R5

(NS)

length

of

this

for

of

resistor

the

to

the

following

(brown-brown-red)

(S-3)

to

lug

F3

(brown-brown-red)

and

soldering

shown

this

(NS)

lead

pair,

and

in

of

this

the

Detail

connect

other

resistor

to

lug

Rll

(NS).

control

lead.

to

re-

(NS).

the

12A.

pair

of

one

re-

NOTE: only free

( ) ( )

( ) Connect a 1-1/4" black

( ) Prepare a

This tude on switch it

one

ends

)

Connect

Each

end

will

of be

a 5"

Connect a 3" Connect a 2-1/2"

3

O.

R3 (NS).

4-1/2" black

of

insulation from one the other end. (S-4) and R5 mre

does not touch

completes switch.

the

control

from

is

called

All the

for

Pass the

(S-4)

prewiring

should

later.

the

connected

blue

to

the

lugs

on

chassis

five

to

later.

wire

blue

wire

Vicire

Viire

2"

R3 (S-3).

shield plate.

the

Sine

both

switch

be

soldered. and

wires

the

to

will

switch.

lug

F4

F6

have

(S-l),

control

F3 (S-2)

by removing

2"

of

insulation from

end through lugs F5

~Iake

Wave

sure

to

that

.o..J"I-'LJ.-

wafers

Remove

set

it

aside

The

lug

1/4"

the

SINE

5" B LU

WAVE

AMPLITUDE

{63-485}

Page 21

SWITCH

VIEW

3" B

A

4-l/2"

LU

BLK

VIEW

B

1"

I

2-1/2"

PICTORIAL

2"

I

BLU

12

3"

I

SOSJ

4"

I

m

Detail

5"

I

12A

6"

I

21

Page

22

CHASSIS

ASSEMBLY

PART

No.

RESISTORS

1-95 1-23 1-102

CAPACITORS

Electrolytic

25-193 25-205

Mylar*

CONTROL·SWITCHES

PARTS Per

1 1 2

2 3

110 1

1

Kit

2

PLASTIC PARTS

5

70-6

"OIJPn!'lt

mBLinll

,

1

9

1

RegllDrled Trademark

re

lief

outside

Check

remaining The numbers torial

DESCRIPTION

n

560

27

82

250

300

1 Rocker

Black Red Binding

is

U.

(green-blue-brown)

kn

(red-violet-orange)

kn

(gray-red-orange)

J..LF J..LF

.047

J..LF

Mn

dual

switch

test

lead

post

Line

cord

strain

round

cord**

supplied

S.,

where 2-or

to be

package

numbers

on

(fold-out

control

lead

insulator

base

used

3-lead

PARTS

#4, which

parts,

relief,

against

in

parentheses

the

Chassis

from

insulator

in

areas round

LIST

consists

the following

correspond

Assembly

Page

25).

PART

No.

Plastic Parts (cont'd.)

(8)75-71 (9)100-16-2

100-16-18 100-699

(10)

207-3 (11)261-28 4 (12)413-10 1

261-30

(13)

HARDWARE

#6

(14)250-227

(15)250-26 4 (16)250-304

(17)250-89 10 (18)250-229

(19)250-303 (20)

250-365

(21)

254-1

(22)

254-27

(23)

255-15

(24)259-1 (25)252-3

PARTS DESCRIPTION Per

Hardware

of

Parts Parts

Kit

1

2 2 1 1

2

4

8 4 4

11

1

4

6

15

all

the

List.

to

the

Pic-

Line

cord Binding Binding Binding

Cable

Plastic Red Line

6-32 x 7/8" screw 6-32 x 5/8"

6-32 x 7/16"

6-32 x

6-32 x 1/4"

screw

6-32 x 1/4"

screw #6 x #6

lockwasher #6 washer #6 x #6

solder

6-32

cord

strain

post post

post

clamp

foot

pilot

lamp

cord

retainer

3/8"

1/4"

sheet

external-internal

1/2"

spacer

lug

nut

relief,

cap,

black

cap,

red

cap,

green

lens

phillips

screw

spacer

screw

phillips

decorative

metal

flat

head

stud head head

screw

lock-

23