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SONTY:.

VIDEO

GRAPHIC

PRINTER

UP-860

UP-8

7OMD

SERVICE

MANUAL

CONTENTS

Section

1.

GENERAL

1-1.

Overview

PR

ARR

ee

eee

ee

ee

eR

ee

1-2.

Location

and

Function

of

Parts

and

Controls

--:

5

1-3.

PrecautionS

<cccccccccccccctce

crt

erences

1-4.

Connection

1-5.

Setting

the

DIP

Switches

occ

e

ewer

cetasencesocernaceeres

1-6.

Loading

Paper

ae

Sec

bln

e

de

ein

vin

weiss

sv

086

ge

tee wey

aay

1-7.

Making

Print-outs

eee

TE

TTT

TTEREREN

TOT

es

ee

1-8.

Maintenance

cccccccrccccccc

reece

eee

eee

1-9.

Troubleshooting

-:rccreccceeeceectecete

rete

tertteeeeees

2.

DISASSEMBLY

2-1.

Removal

of

Top

Cover

2-2.

Removal

of

Front

Panel

«---rrersrtrtereee

2-3.

Removal

of

MA-14

board

2-4.

Removal

of

Mechanism

Block

2-5.

Removal

of

Rear

Panel

and

Switching

Regulator

‘Givilnve

wyasle

nnd or0

Boi

w:duoyorniatt,

shoes

pila

eS

wis wre

ee

Sie:

2-6.

Removal

of

Thermal

Head

<cccccccccecceteteerreees

3.

ADJUSTMENTS

3-1,

Head

Voltage

Adjustment

eee

eee

eee

eee

3-2.

Brightness

and

Contrast

Adjustment

3-3.

Trap

Adjustment

PEO

Rin

eee

wT

ewe

es

saa

eiele

ne

bss

Releeeeees

eo

3-4.

Motor

Speed

Adjustment

Note:

Please

caution

for

the

model

serial

No.

when

changing

the

power

supply

section.

Model

Serial

Number

Less

than

15891

(UP-860)

Less

than

35201

(UP-870MD)

Switching

Regulator

1-413-694-11

to

13

1-413-694-14

SAFETY-RELATED

COMPONENT

WARNING

!!

COMPONENTS

IDENTIFIED

BY

SHADING

AND

MARK

A

ON

THE

SCHEMATIC

DIAGRAMS,

EXPLODED

VIEWS

AND

IN

THE

PARTS

LIST

ARE

CRITICAL

TO

SAFE

OPERATION,

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

AS

SHOWN

IN

THIS

MANUAL

OR

IN

SUPPLEMENTS

PUBLISHED

BY

SONY.

CIRCUIT

ADJUSTMENTS

THAT

ARE

CRITICAL

TO

SAFE

OPERATION

ARE

IDENTIFIED

IN

THIS

MANUAL.

FOLLOW

THESE

PRO-

CEDURES

WHENEVER

CRITICAL

COMPONENTS

ARE

REPLACED

OR

IMPROPER

OPERATION

IS

SUSPECTED.

$

XOS

Page

Section

Page

4.

DIAGRAMS

AE.

©

Sammiconductots:

sis0eshise

heres

seeped

nat

oe

dea

27

4-2.

Circuit

Boards

Location

«terete

31

4-3.

Block

Diagram

ecdiaoh

Sos

Geianieeae

at

cblecte

wise

td

ossiey

dae

Glee

es

32

4-4.

Printed

Wiring

Boards

and

Schematic

Diagrams:

eee

35

5.

CIRCUIT

DESCRIPTION

5-1.

Video

Circuit

Shia

s

Big

wie

wie

oo

ain

Bbc

bie

bv

WS

SUED

NESE

S

RTF

e

yo

5e

49

5-2.

Oscillation

Circuit

Peer

er

re

ere

e

rere

rere

rere

eee

er

ee

eee

ees

50

5-3.

Gate

Array

IC102

Peripheral

Circuits

-------+----

51

5-4,

System

Control

Section

ree

Te re ir

ee

ee

a

53

5-5.

Motor

Drive

Section

IGisineie

So's

Oe

eee.

e

Saids

cotad

WAY

Teed

Hwee

57

5-6.

Thermal

Head

Section

siuieie

ste

atts

wool

soe

Uvio'e'y,s

eng

aty

shows)

s

58

6.

EXPLODED

VIEWS

6c.

(Chassis:

Section

saeetiseieteescoe

eee

a

61

6-2.

Print

Mechanism

Section

(1)

scree

62

6-3.

Print

Mechanism

Section

(2)

cirri

63

6-4.

Power

Supply

Section

<-+:::ese:ceceeeseree

ces

64

7.

ELECTRICAL

PARTS

LIST

---eecrecrcececeeeee

eee

eeee

65

8.

SWITCHING

REGULATOR

CHANGE

oer

2

15891

and

later

(UP-860)

35201

and

later

(UP-870MD)

ATTENTION

AUX

COMPOSANTS

RELATIFS

ALA

SECURITE!

LES

COMPOSANTS

IDENTIFIES

PAR

UNE

TRAME

ET

PAR

UNE

MARQUE

A\

SUR

LES

SCHEMAS

DE

PRINCIPE,

LES

VUES

EXPLOSEES

ET

LES

LISTES

DE

PIECES

SONT

D‘UNE

IMPORTANCE

CRITIQUE

POUR

LA

SECURITE

DU

FONCTIONNEMENT.

NE

LES

REM-

PLACER

QUE

PAR

DES

COMPOSANTS

SONY

DONT

LE

NUMERO

DE

PIECE

EST

INDIQUE

DANS

LE

PRESENT

MANUEL

OU

DANS

DES

SUPPLEMENTS

PUBLIES

PAR

SONY.

LES

REGLAGES

DE

CIRCUIT

DONT

L'IMPOR-

TANCE

EST

CRITIQUE

POUR

LA

SECURITE

DU

FONCTIONNEMENT

SONT

IDENTIFIES

DANS

LE

PRESENT

MANUEL.

SUIVRE

CES

PROCEDURES

LORS

DE

CHAQUE

REMPLACEMENT

DE

COMPOSANTS

CRITIQUES,

OU

LORSQU’UN

MAUVAIS

FONCTIONNE-

MENT

EST

SUSPECTE.

SAFETY

CHECK-OUT

(US

Model

only)

After

correcting

the

original

service

problem,

perform

the

following

safety

checks

before

releasing

the

set

to

the

customer:

1.

Check

the

area

of

your

repair

for

unsoldered

or

poorly-soldered

connections.

Check

the

entire

board

surface

for

solder

splashes

and

bridges.

Check

the

interboard

wiring

to

ensure

that

no

wires

are

‘“‘pinched’’

or

contact

high-wattage

resistors.

Check

that

all

control

knobs,

shields,

covers,

ground

straps,

and

mounting

hardware

have

been

replaced.

Be

absolutely

certain

that

you

have

replaced

all

the

insulators.

Look

for

unauthorized

replacement

parts,

par-

ticularly

transistors,

that

were

installed

during

a

previous

repair.

Point

them

out

to

the

customer

and

recommend

their

replacement.

Look

for

parts

which,

though

functioning,

show

obvious

signs

of

deterioration.

Point

them

out

to

the

customer

and

recommend

their

replace-

ment.

Check

the

line

cord

for

cracks

and

abrasion.

Recommend

the

replacement

of

any

such

line

cord

to

the

customer.

Check

the

condition

of

the

monopole

antenna

(if

any).

Make

sure

the

end

is

not

broken

off,

and

has

the

plastic

cap

on

it.

Point

out

the

danger

of

impalement

on

a

broken

antenna

to

the

customer,

and

recommend

the

antenna’s

replacement.

To

Exposed

Metal

Parts

on

Set

AC

voltmeter

{0.75

V}

=

Earth

Ground

Using

an

AC

voltmeter

to

check

AC

leakage.

LEAKAGE

TEST

The

AC

leakage

from

any

exposed

metal

part

to

earth

ground

and

from

all

exposed

metal

parts

to

any

exposed

metal

part

having

a

return

to

chassis,

must

not

exceed

0.5mA

(500

microampers).

current

Leakage

can

be

measured

by

any

one

of

three

methods.

I.

A

commercial

leakage

tester,

such

as

the

Simpson

229

or

RCA

WT-540A.

Follow

the

manufacturers’

instructions

to

use

these

instru-

ments.

A

battery-operated

AC

milliammeter.

The

Data

Precision

245

digital

multimeter

is

suitable

for

this

job.

Measuring

the

voltage

drop

across

a

resistor

by

means

of

a

VOM

or

battery-operated

AC

volt-

The

“limit”

indication

is

0.75

V,

so

analog

meters

must

have

an

accurate

low-

voltage

scale.

The

Simpson

250

and

Sanwa

SH-63Trd

are

examples

of

a

passive

VOM

that

is

suitable.

Nearly

all

battery

operated

digital

multimeters

that

have

a

2V

AC

range

are

suitable.

(See

Fig.

A)

meter.

WT

1-1,

OVERVIEW

SECTION

1

GENERAL

eee

The

UP-860/870MD

is

a

black

and

white

video

graphic

printer

that

can

be

used

to

print

images

displayed

on

video

equipment.

Clear,

consistent

print

quality

¢

High

definition,

8.9

dots/mm

printing

using

a

thermal

head

with

high-speed

drive

IC.

©

256

graduations

of

black

and

white

Fast

printing

«

You

can

make

a

single

print-out

in

about

3.9

seconds

¢

You

can

make

a

maximum

of

11

copies

of

the

same

image

continuously.

Also,

you

can

save

your

paper

by

using

the

paper

saving

function.

Output

modes

eee

¢

You

can

make

print-outs

starting

either

from

the

bottom

or

top

of

the

image

by

setting

the

DIRECTION

DIP

switch.

«

You

can

set

the

print-out

aspect

ratio

to

4:3

or

1:1

by

setting

the

ASPECT

DIP

switch.

*

You

can

set

the

range

to

be

printed

by

setting

the

SCAN

MODE

DIP

switch.

Automatic

video

signal

discrimination

The

type

of

input

black

and

white

video

signal

(EIA

or

CCIR)

or

input

color

video

signal

(NTSC

or

PAL)

is

automatically

discriminated

and

printed;

there

is

no

need

to

change

any

switch

manually.

Alarm

buzzer

eee

The

alarm

buzzer

function

prevents

you

from

making

any

misoperation.

Loading

paper

easy

and

quickly

You

can

load

paper

just

by

opening

the

paper

lid

with

the

OPEN/CLOSE

button

and

placiang

the

paper

roll.

1-2.

LOCATION

AND

FUNCTION

OF

PARTS

AND

CONTROLS

Refer

to

the

pages

indicated

in

the

circles

for

details.

Front

Panel

Power

ON/OFF

switch

and

indicator

.

Press

to

turn

the

power

on.

The

indicator

is

lit

while

the

power

is

on.

CONTR

(contrast)

contro!

®

[6]

Use

this

control.

to

adjust

the

contrast

of

the

print-outs.

BRIGHT

(brightness)

control

®

Use

this

control

to

adjust

the

brightness

of

the

print-

outs.

THRU/EE

selector

®

Use

this

selector

to

select

the

video

signal

output

from

the

VIDEO

OUT

connector.

THRU:

input

signals

are

output

directly

to

the

video

monitor.

EE:

input

singnals

are

output

to

the

video

monitor

after

being

processed

by

the

printer’s

circuitry.

POSI/NEGA

selector

@

Use

this

selector

to

switch

between

positive

and

negative

print-outs.

COPY

button

@

Press

this

button

to

output

another

copy

of

the

previous

print-out

PRINT

button

@

Press

this

button

to

print

the

picture

currently

displayed

on

the

monitor.

The

picture

displayed

when

you

Piess

the

PRINT

button

is

stored

on

memory.

PAPER

EMPTY

indicator

This

indicator

tights

when

the

printer

is

out

of

paper.

OPEN/CLOSE

button

Press

to

open

or

close

the

door.

Also,

press

this

button

to

stop

printing

midway.

Paper

feeder

and

cutter

Use

to

cut

the

printing

paper.

Rear

panel

[1]

REMOTE

connector

(stereo

minijack)..

UP-860

[6]

AC

IN

(AC

power

input)

connector

@

Connect

to

the

FS-20

foot

switch

(not

supplied)

for

Connect

to

a

wall

outlet,

using

the

supplied

AC

power

controlling

print

operation

from

a

distance.

cord,

[1]

REMOTE

connector

(stereo

minijack)..

UP-870MD

D

ADJ

(fine

adjusting)

contro!

Connect

to

the

RM-91

remote

commander

(supplied)

Usually,

there

is

no

need

to

use

this

control.

Use

i

for

controlling

print

operation

from

a

distance.

only

when

you

have

to

make

a

fine

adjustment

ofthe

density

when

you

cannot

control

the

brightness

using

[2]

GAMMA

selector

the

BRIGHT

control,

This

selector

changes

the

print

mode

to

that

for

high-

density-printing

paper

.

This

selector

is

effective

when

the

PAPER

DIP

switch

is

set

to

TYPE

II.

1

:

Soft

graduation

ll:

Standard

Ill:

Hard

graduation

[4]

DIP

switches

©

These

switches

set

the

print

modes

and

functions.

[4]

viDEO

IN

(video

input)

connector

(BNC

type)

@

Connect

to

the

video

output

connector

of

the

video

equipment.

[5]

VIDEO

OUT

(video

output)

connector

(BNC

type)

ts

Connect

to

the

video

input

connector

of

the

video

monitor.

The

output

signal

type

depends

on

the

setting

of

the

THRU/EE

selector.

1-3,

PRECAUTIONS

eS

si

sesh

persnsesenrnet

On

safety

Check

the

operating

voltage

before

operation

Operate

the

unit

only

with

a

power

source

specified

in

“Specifications”.

Stop

operation

immediately

if

any

liquid

or

solid

object

falls

into

the

cabinet.

Unplug

the

unit

and

have

it

checked

by

qualified

personnel.

Unplug

the

unit

from

the

wall

outlet

if

you

will

not

be

using

it

for

a

long

time.

Disconnect

the

cord

by

grasping

the

plug.

Never

pull

the

cord

itself.

Do

not

disassemble

the

cabinet.

Refer

servicing

to

qualified

personnel

only.

Do

not

touch

the

cutting

blade

of

the

printer.

Connect

the

power

plug

of

the

printer

to

the

wall

outlet

having

protective

earth

terminal.

The

safety

earth

should

be

properly

established.

On

operation

Do

not

turn

the

power

off

while

the

printer

is

printing.

Otherwise,

the

thermal

head

may

be

damaged.

On

printer

carriage

Do

not

carry

and

move

the

printer

when

the

paper

roll

is

placed

in

the

printer.

If

you

do,

this

may

cause

trouble.

On

installation

Provide

adequate

air

circulation

to

prevent

heat

build-up.

Do

not

place

the

unit

on

surfaces

such

as

rugs,

blankets,

etc.,

or

near

materials

such

as

curtains

and

draperies.

Place

the

printer

on

a

level,

stable

surface

during

operation.

Do

not

install

the

printer

near

heat

sources.

Avoid

locations

near

radiators

or

air

ducts,

or

place

subject

to

direct

sunlight

or

excessive

dust,

humidity,

mechanical

shock

or

vibration.

1-4.

CONNECTION

|

i

I

|

|

|

|

|

|

Notes

on

connection

¢

Turn

off

the

power

to

each

device

before

making

connections.

*

Connect

the

AC

power

cord

last.

UP-870MD

|

r

RM-91

remote

commander

(supplied)

Color/monochrome

video

monitor

to

video

output

Connecting

cabie

connector

(not

supplied)

Supplied

coaxial

to

video

input

connecting

cable

connector

(BNC

«

BNC)

to

VIDEO

IN

to

VIDEO

OUT

UP-860/870MD

to

wall

outlet

Supplied

AC

power

cord

1-5.

SETTING

THE

DIP

SWITCHES

——

eee

Set

the

DIP

switches

according

to

the

required

print

mode.

Before

setting

the

DIP

switches,

turn

the

power

off.

Change

the

settings

using

a

small

pointed

tool

such

as

a

small

screwdriver.

The

factory

setting

are

as

follows.

[-]

PAPER

switch

Leave

the

PAPER

[1]

switch

at

the

factory-set

position.

[x]

PAPER

switch

Set

the

PAPER

[2]

switch

accoring

to

the

type

of

printing

paper

being

used.

For

details

of

the

paper,

see

page

12.

Type

of

printing

paper

Switch

position

UPP-110S,

UPP-110

TYPE

I

(normal)

UPP-110HD

TYPE

II

(high

density)

[3]

POSTFEED

switch

To

feed

out

extra

blank

paper

once

a

picture

has

been

printed,

set

this

switch

to

ON.

To

save

paper

by

feeding

only

a

short

length

of

paper

after

printing

a

picture,

set

this

switch

to

OFF.

You

can

make

more

print-outs

per

roll

of

printing

paper

with

this

switch

set

to

OFF.

But,

you

have

to

take

out

and

cut

the

paper

yourself.

[4]

ASPECT

switch

Normally,

keep

this

switch

set

to

4:3.

When

the

aspect

ratio

of

the

video

signal

is

1:1,

set

this

switch

to

1:1.

The

print-out

will

be

longer

than

a

print-out

made

at

4:3.

[5]

MEMORY

switch

Normally

keep

this

switch

set

to

FRAME.

When

printing

fast-moving

pictures

(such

as

a

ball

being

thrown),

the

print-out

may

blur.

tf

this

happens,

set

this

switch

to

FIELD.

The

print-out

definition

wil

be

poorer

but

less

blurred.

[6]

DIRECTION

switch

Use

this

switch

to

select

whether

the

top

or

bottom

of

the

screen

is

to

be

printed

first.

Normally,

keep

this

switch

set

to

NORM.

Printing

is

done

from

the

bottom

of

the

screen.

To

start

printing

from

the

top

of

the

screen,

set

this

switch

to

REV.

10

pra

Ks

eae