Heathkit SG-6 User Manual

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STEP

BY

STEP

ASSEMBLY

Use

of

bare

wire

where

indicated

will

facilitate

wiring,

but

insulated

wire

may

be

used.

Place

spaghetti

(insulated

sleeving)

over

bare

wires

on

condensers

or

resistors

where

riecessary

to

prevent

the

leads

from

accidentally

touching

other

bare

wires

or

metal

parts.

(S}

means

solder

·

(NS)

means

do

not

solder

yet

Begin

by

checking

the

parts

against

the

parts

list.

Identify

each

part,

using

the

charts

on

the

inside

of

the

cover

of

this

manual

where

necessary.

Thus,

you

will

avoid

throwing

away any

small

parts

with

the

packing.

MOUNTING

OF

PARTS

ON

CHASSIS

1. On

the

chassis

(SG62)

mount

with3-48x

t

screws

(SW34) and

3-48nuts

(SW35}

the

miniature

tube

sockets

(SW26}

as

shown

in

pictorial

1.

(Sockets

A and B of

Fig.

l}

Note

that

the

widest

spacing

of

the

pin

holes

is

toward

the

center

of

the

chassis.

This

spacing

is

indicated

in

Fig.

2

as

is

the

pin

numbering

used

for

such

socket.

Observe

that

the

numbering

is

clock-

wise

starting

from

the

spacing,

and

is

read

on

the

under

side

of

the

socket.

Install

the

four

t

rubber

grommets

(035) in

the

holes

in

the

chassis

.

BOTTOM SIDE

OF

CllA551S

'---.

.

Q

A

~

,._2.

LEFT

llAND

Ll.16

MJ_~~LE

RIGHT

HAND

LU<i"

,__©_..-_i

__

__

__

'¥::.~z,~~r

;,,.

fJj

@...-s

NOTATIONS

A5

USED

IN

IN>TRl/CTION~

Fig.

1

4

BOTTONI

OF

SOCKET

Wtde>f

5/JaCif:tl}

Jj

between

Pin,

®Holes

....

_.

5J<ETCH 5HOWIN6

THE

NUMBERING

/JSED

Oii

THE

MINIATURE

TUBE

SOCKETS

..

..

_

...

Fig.

2

2. Mount

the

power

transformer

(V98) on

the

chassis

by

means

of two

6-32

x t

screws

and two

6-32

nuts

using

a #6

lockwasher

directly

under

the

nut. Mount

the

2

lug

terminal

strip

(S32) and a

solder

lug

(lug 3) with a

6-32

x t

screw

and nut. Next

comes

the

3

lug

terminal

strip

(SW37)

fastened

by a -6-32 x t

screw,

lockwasher,

and nut.

3.

On

top

of

the

chassis,

with two

6-32

x t

screws,

fasten

the

AF

choke

marked

SG-61,

and

on

the

under

side

of

the

chassis

on

each

of

the

two

screws

place

first

a

solder

lug

(lugs 1 and

2)

and

fasten

with a nut.

The

choke

should

be

placed

so

that

its

two

leads

are

on

the

side

near-

est

the

closest

grommet

and

the

leads

should

be

passed

through

this

nearby

grommet.

4. On

the

under

side

of

the

chassis

mount

th~

selenium

rectifier

(V97) with a

6-32

x 1

screw

and a lock:washer

under

the

nut. Mount

it

with

the

r.ed

or

red

edged

side

visible

(see

Fig.

3)

and

its

solder

lugs

pointed

in

direction

as

shown

in

pictorial

1.

5. Mount

solder

lugs

4

and

5 with a

6-32

x t

screw

and nut.

Page

3

Questions and Answers:

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Heathkit SG-6 Specifications

General

Brand	Heathkit
Model	SG-6
Category	Measuring Instruments
Language	English

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