Memorex CP8 TURBO UNIVERSAL REMOTE CONTROL Uživatelský manuál stáhnout pdf (Strana 41)

100

1N914

100-500

+ ..

+ R1

10K

22K

1N914

4.7K

100K

10K

10^22K

R13

10K

4.7K

+R14

15^22K

R10

100K +1

R11

10K

R19

220

LEDI

LED2

LED3

LED4

LED5

15K

4017

(ROW

Fig.

1 -Shown here

is the Electronic

Bandit's schematic

diagram.

As shown

each

of three

vertical

rows

LEDs

is triggered by

a similar circuit.

Fig. 2 -Shown

here is the PC

-board

etching pattern used

by the author in the

production

his

prototype.

The

pattern

may be

lifted from the page, trans-

ferred

to a copper

-clad

slug, and etched

to reproduce

the board.

That pattern may be lifted

from the

page (using

the method

with which you are most familiar), transferred

to a copper -

clad

slug and etched to reproduce the

board. Note: For those

of you

who

are unfamiliar

with

duplicating

PCBs,

simple

method for the transfer

of printed-

circuit

patterns to copper

clad

slugs

-entitled One Shot

PC Boards, by Peter A. Love-

lock -was presented in the December,

1987 issue of this

publication.

555

= D3

1N914

R15

4 4.7K

C6+

R16

100K

R17

10K

R21

220j 1

\\3

LED11

LED

-!!©

LE013

LED

!!©

LED15

\\O10

(ROW

4017

-0-:Vor

R18

15K

After etching

the board,

drill the four mounting

holes

(see

Fig. 2), the

holes for the

LEDs, and then

round the corners

for

a perfect

fit. Also drill

two holes

in one side of the

enclosure

for SI and S2.

The switches

should be located

about

'As of

an inch from the

bottom of the case,

so that

the switches

won't interfere

with

the

other components

when

the cover

in place.

The foils should

be pre- tinned

wherever a component

will

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 99 100

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