Epson L90P - TM Two-color Thermal Line Printer Manual de usuario descargar pdf (Pagina 70)

Fig. 1. Once system

tripped,

relay

operation

in numerical sequence.

As K2

closes, it

pulses shutter

solenoid;

K2 provides the power-

disconnect

feature.

PARTS

LIST

11 lt irrdrr,rf;>r

ltpr

iadiealor lamp

-f'iu

Lanana Pick

K 1 2.'01,-o hat

(la . relay

S*,:cuirlrpr7,,1

h? >-twit d.r., d.p.rLt.

re'av

Pier

mal rctay

%amprrile

`rpe

K ;

-'i ;olt

rLc., rl.p.d.t.

irnpuls:

r,tr

iPat;rr

Br!, es No. If l

(1)

or da: :

d.c

..,olenoid

Do)

nr.

lf?-!-_' . ,I

a11

-r;-;-m.l n:illianrrrcL9

PC 1 .t+hoton'll

,Grnr'al

/'uvt-'oc

Aa. /idh)

RI -

1 r0+, 171un0

Y.r

R'-- 'S -olun

;

-watt poi

antiameter

123-

ohm,

_'watt

resistor

t.ti

p,.(. switch

.11ise. Tlas/rii.ghi; nnatni/rint

lens:

metal utility box

for chassis; camera

lents

alter; niu"-birr

miniature luise

socket ; pin or

Banana jack Ito

match

11 -15, 8

needed);

,rght

-pin

octal

socket;

indicator

lamp socket;

ri -32

x 1;'"" got-head

brass maclria,-

screws;

woad screws;

epoxy cement; steel band;

pine

',torrs; tip

cord;

rubber

gro,n

cur!,

mailing

tape; paint;

hookup wire; solder;

Irardu art

Relay K4 is then energized,

interrupt-

ing power to the other

relays.,

turning

11 off and

on.

The latter must

turned of

manually.

Construction.

It is

recommended that

you

house

the

Electronic

Shutter

Control

circuit

sturdy

metal

chassis to pro-

tect

against

damage

in the

field.

While

component

placement (except

for

PC1)

is not critical,

the author

suggests a

lay-

out similar

to that

shown

in Fig. 2.

Note

7 6

Fig. 2. In this prototype,

re-

lays Kl and

are

mounted on

outside of

chassis to provide

easy access.

Interior parts

mounting

arranged

avoid

obstruction

of the photocell.

POPULAR

ELECTRONICS

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 115 116

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Epson L90P - TM Two-color Thermal Line Printer Manual de usuario Pagina 70

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