Heathkit IM-4100 - Page 24

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20

GegHEATHKIT®

START

@

NOTE:

In

the

following

steps,

install

each

of

the

transistors

as

follows:

CONTINUEY

a

Refer

to

the

illustrations

below

and

ee

the

E,.

C,

and

B

leads

of

the

The

steps

performed

in

this

Pictorial

are

in

NOTE:

In

the

following

two

steps,

install

ransistor.

wire

connectors

in

the

holes

from

the

foil

side

of

the

circuit

board

as

shown.

Push

the

connectors

into

the

holes

until

the

stop

ridge

is

down

firmly

against

the

circuit

board.

Then

solder

the

connectors

this

area

of

the

circuit

board.

2:

Bend

the

center

lead

of

the

transistor

as

shown

below.

3:

Insert

the

transistor

leads

into

the

to

the

follt

corresponding

E,

B,

and

C

holes

in

IDENTIFICATION

the

circuit

board.

DRAWING

4.

Position

the

transistor

1/4’

above

the

circuit

board.

SOLDER

TO

5.

Turn

the

circuit

board

over,

solder

PART

FOIL

SIDE

the

leads

to

the

foil,

and

cut

off

the

NUMBER

excess

lead

lengths.

BLOF

RIDGE

&&

————_—————————————

ee

=.

2N5771

(#417-292)

transistors

at

"02.

03,

and

04.

6

Wire

connector

at

B.

EMITTER

4

Wire

connector

at

A.

)

Two

wire

connectors

at

1000.

Insert

the

pins

from

the

component

side

of

the

board.

Solder

them

to

the

foil.

BASE

:

COLLECTOR

NOTE:

A

resistor

will

be

connected

here

later.

(01:

£304

(#4

17-828)

transistor.

WIDE

SPACE

SPACE

+1),

MPSA20

(#417-801)

transistor

at

\

Q5and

O6.

FLAT

FLAT

SIDE

Sipe

YL

1/4"

eK

a

PICTORIAL

2-7