Elenco Electronics MO-1251 Bedienungsanleitung PDF herunterladen (Seite 49)

R6

R5

R4

C2

I

R

G

R7

FLASHRATE

R3

-i--

D1

ALPHA

THETA

S21K

C4

C3

J

F

R7

03D

R8

R9

RIO

Ql

r

CI Q2

-11

O

J1

O-

0

GOGGLES

S1

ON

OFF

O-

J2

O

r

0

AC

ADAPTOR

FIG.

2 -THE

PARTS PLACEMENT

for the A,'MG PC -board

shows

switch Si soldered

directly on

the board.

Notice transistor orientation,

and the polarity of capacitors and

diode Dl.

FIG. 3 -THE INSIDE VIEW

OF

THE A/MG control box. Notice the clean layout. A

9 -volt-

battery compartment

is

just below

PC

board.

on the component side of the board.

The 555

will

be installed on top

of that

wire.

6. Identify the three

transistors,

QI-Q3.

Install

them

with their flat

side facing the proper direction, ac-

cording to the

Parts -Placement di-

agram

in

Fig. 2.

7. Install

ICI with pin I in the lower

-

right

corner near DI. (Pin

I is

also

identified

on

the copper

foil.) Be

sure

the jumper

wire has been installed

under ICI before you

install ICI

or a

socket. We'll

continue

with

the

re-

maining wires later.

8. Temporarily mount

the board

loosely in the bottom half of the box

on

top of the

mounting

bosses, and

mark

the

hole for the on /off switch.

Be

sure

to

slide

the

switch

between

its

two positions when marking the cut-

out. The

plastic

is

easy to

cut, so a

small, flat file

is all that's

required.

The switch has

a

low profile, so the

top half of the

case does

not

have to

be

notched.

ALPHA

THETA

J2

AC

ADAPTER

JACK

GOGGLES

JACK

J1/

A

S

AM-1

ON

SI

OFF

R1

FLASHRATE

CONTROL

FIG.

4-

EXTERIOR

DIAGRAM OF

THE A

MG control

box showing the position

of

the flashrate control

knob, and

various

jacks and switches.

9. In the bottom half

of the case,

mount a mini phone -jack (JI) for the

goggles. Also, mount a jack

for the

AC adapter (J2) on the top

half of

the

case.

Make sure the jack clears any

internal

obstructions.

10. Insert the battery-clip

leads from

inside the battery holder through the

slot on the right

side.

Tie a

large knot

in the leads to keep them

from pulling

back through the

slot, while leaving

11/4 inch of lead length to

solder to the

PC board.

11. Solder the black battery-lead

to

solder

pad "A" and the red lead

in pad

"D." (If you aren't installing an AC-

adapter jack at this time,

solder the

red battery lead to pad "C," and the

black lead to pad "A. ")

12. Solder a red

wire

to pad "C"

and a

black

wire

to pad "B," then route

them

to the

AC-

adapter

jack and

sol-

der

them in place. Make sure that the

polarity of the adapter matches the red

( + )

and black ( - )

wires.

Also, con-

nect a

white wire

between pad "E"

and the

switched

terminal

on

the

same

jack. (That

way,

the battery

will

be

disconnected

when

the AC adapter

is

plugged in.)

13. Solder a black

wire

between pad

"H" and the outer ring terminal of the

jack for the goggles, then

solder

a red

wire

between pad "1" and the "tip"

terminal

of the

same

jack.

1.1. Drill

a hole

in

the center of the

box's

cover

for the flash -rate

potenti-

ometer,

RI.

15.

If the theta -range option is used,

connect a pair of lightly

twisted

3-

inch

wires

from pads "J" and "K"

and S2,

which should

be mounted on

the instrument's

cover.

Either

wire

can

go to

either

pad. When

S2

is

closed, the A /MG will be operating in

55

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 99 100

Kommentare zu diesen Handbüchern

Keine Kommentare