Sanyo DM8112CX User manual

SANYO

DM8112CX

SANYO

SOLID

STATE

DATA

DISPLAY

OWNER’S

MANUAL

Introduction

Your

new

DM8112CX

solid

state

data

display

precision

engineered

product

designed

for

use

with

the

computer

system

which

outputs

composite

video

signal.

This

picture

tube

employs

implosion

proof,

green

phosphor.

This

data

display

equipped

with

restoration

(In

the

absence

data

signal,

the data display

screen

will

fully

black:

raster).

Solid

state

electronics

used

the

DM8112CX

provides

improved

reliability

and

superior

performance

even

continu-

ous

duty

applications.

Installation

CONNECT.....Data

Display

outlet

supplying

240

volts,

Hertz,

alternating

current

(AC)

only.

FOLLOW.....Instructions

all

tags

and

labels

before

attempting

operate

your

display.

WARNING

THIS

APPARATUS

MUST

EARTHED.

IMPORTANT

This

wires

this

mains

lead

are

coloured

accordance

with

the

following

code.

Green

and

Yellow

...........

Earth

Blue...

eee

Neutral

BrOWN

se:ms

seimims

terme

eee

Live

The

wires

this

mains

lead

must

con-

nected

the

terminals

the

plug

follows.

Wire

Colour...

Plug

Terminal

Marking

Greenand

Yellow

...

Eor

+orGreen

GRN &

YELL

Blue.....

eee

BLACK

BrOWRA

eee

ems

ewes

RED

This

equipment

must

protected

fuse

13A

(BS1363)

plug

used.

another

type

plug

used

fuse

lower

shall

used,

either

the

plug

adaptor

orat

the

distribution

board.

Controls

Background

VIDEO

INPUT

Connector

Brightness

Vertical

Horizontal

Power

Indicator

Hold Hold

Power

Switch”

POWER

SWITCH

(ON-OFF)

This

rocker

switch

provides

power

on-off

control.

Push

side

with

red

dot

for

power

“ON,”

opposite

side

for

power

“OFF.”

POWER

INDICATOR

Red

indicator

lamp

will

light

when

power

switch

turned

on.

BRIGHTNESS

This

control

permits

adjustment

display

brightness

and

used

compensate

for

differences

rool

lighting.

BACKGROUND

This

control

permits

adjustment

background

brightness

which

should be

set

fully

black.

VERTICAL

HOLD

Stops

any

down

movement

the

displayed

data.

See

the

right

figure.

HORIZONTAL

HOLD

Corrects

any

slanting

the

displayed

data.

See

the

right figure.

VIDEO

INPUT

Terminal

shown

the

figure,

the

signal

input

cable

from

the

computer

connected

the

VIDEO

INPUT

connector

signal

input

terminal.

Use

coupling

capacitor

for

the

input

with

input

signal

having

voltage

more.

Video

input

cable

)

Character

signal

(Composite

video

signal)

~~)

INPUT

SIGNALS

The

figures

below

show

the

recommend

signal

waveforms

and

their

timing

(with

75-ohm

terminal).

HORIZONTAL

SYNC

PERIOD

Horizontal

sync

signal

4.6uS

VERTICAL

SYNC

PERIOD

Vertical

sync

signal

(0.253mS)

Data

display

period

46.0uS

Period

Data

display

video

start

period

20H

(1.27mS)

288H

(18.23mS)

HOW

PROVIDE

THE

COMPOSITE

VIDEO

SIGNAL

hen

the

output

signal

from

the

signal

generator

video

sync

separated,

convert

into

composite

sync

signal

using

the

circuitry

the

figure

below.

Horizontal

sync

signal

Horizontal

period

63.3uS

(15.80kHz)

Vertical

period

316H

(20.0mS,

50Hz)

Period

vertical

sync

(0.23mS)

set

the

sync

signal

distortion

(overshoot

and

under-shoot)

less

than

10%.

Set

the

sync

signal

30%

+5%

the

input

signal’s

amplitude.

AAA

RO1

150

AAA,

ROG

150

Q01

2SC536

(positive

polarity)

1/6

SN7406

Vertical

sync

signal

(positive

polarity)

1/6

SN7406

Video

signal

(positive

polarity)

1/6

SN7406

RO8

1/6

SN7406

RO3

330

=f02

330

C02

ROS

470

RO7

100

R04

150

-O

Coupling

capacitor

C01

100u

(sync

negative

polarity)

Composite

video

signal

Clu

When

signals

other

than

those

recommended

are

received,

trouble

such

that

described

the

table

below

will

arise

TROUBLE

CAUSE CAUSE

Picture

too

wide.

Data

display

period

than

46us.

TROUBLE

Picture

extends

too

far

ver-

tically.

Vertical

blanking

period

less

than

28H.

Picture

too

narrow.

Data

display

period

less

than

46us.

Picture

tends

top.

Period

the

vertical

sync

signal

than

4H.

Picture

tends

right.

Value

given

when

front

porch

subtracted

from

back

porch

than

3.5uus.

Picture

tends

bottom.

Period

the

vertical

sync

signal

less

than

4H.

Picture

tends

Value

given

when

front

porch

subtrated

from

Horizontal

bars

Horizontal

sync

frequen-

left.

back

porch

less

than

appear

longer

15.80kHz.

picture.

3.5us.

Picture

: .

cram

Vertical

blanking

period

Picture

flows

Vertical

sync

frequency

ped

vantieally,

than

28H.

vertically.

longer

50Hz.

CAUTION

For

installation,

avoid

excessively

hot

humid

places

well

dusty

locations.

Damage

the

cabinet

electronic

parts

failures

may

result.

Avoid

any

small

object

water

fall

the

cabinet

through

ventilation

slits

prevent

from

component

circuit

failures,

even

dangerous

fire

hazard.

The

cabinet

provided

with

many

ventilation

flits

its

rear

and

bottom.

not

attempt

cover

with

cloth,

pads,

any

other

materials

which

may

interfere

proper

ventilation.

High

voltage

bearing

components

are

contained

the

cabinet.

not

attempt

remove

the

rear

cover

for

safety

against

possible

shock

hazard.

Refer

servicing

qualified

service

personnel.

SPECIFICATIONS

Input

Signals

CRT

Size

Phosphor

Semiconductors

Video

Amp

Bandwidth

Display

Area

Display

Format

Scanning

Frequency

Power

Input

Power

Consumption

Dimensions

Weight

Composite

Video

Signal,

Negative

SYNC.

+0.5

1.0-0.3

Vp-p,

ohm

diag.

(12

inch

diag.)

P31

(Green)

Transistors

Diodes

MHz

Horizontal

(46

uS)

Vertical

(18.23

mS)

1920

Characters

max.

(80

char.

lines)

Horizontal

15.80

kHz,

Vertical

240

32.0

(W)

27.2

(H)

32.4

(D)

7.6

kg.

*Specifications

are

subject

change

without

notice.

111

4111

12605

MDM.GBRA

SANYO

ELECTRIC

CO.,

LTD.

OSAKA,

JAPAN

Printad

Japan

203

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