Sharp PA-W1400 User manual

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1

Table of contents

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PA-W1400

SHARP

=

SERVICE

MANUAL

CODE:

00ZPAW1410S2E

PERSONAL

WORD

PROCESSOR

PA-W1400

mopEL

PA-W1410

Va

;

CONTENTS

=

3

|

Hh)

Generales

ciao

Leche

eA

|

Feet

Meads

cheats

amie

oath

Sofas

uly

1-1

2:

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eh

arcy

ass,

orth

wey

Oa

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ane

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2-

3]

Mechanical

descriptions

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4]

Electrical

descriptions

........

0...

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ccc

ene eee

canes

4-

5]

Disassembly

andre-assembly

...........

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|

6)

AGIUSIMORIS

2

sei-0s

tere

Colies

ncaad

veka

cid

byadesamadieen.

6-1

(]

Electrical:

Set.

ups7s

tasted

veg

acta

een

Hatciaa

sua

caweee

7-

8]

Liibrications

:

2.05

2scves

cache

ae

ooset

wn

ake

Genta

SL

ack

peed

oa

os

7-1

9]

Basic

functional

checks

0.0.0...

0...

e

cece

cece

eee

eens

9-

|

|

10)

TOUDISSHOOHNG

s

calc

cet

aa

wie

y

ams

ugne

in

sHeue

gieen

deadline

10-1

|

11]

}/DIagnOStiC

s..\c-20

ace

tang tata

ia

wines

eed

S

bacns

God

Le

cidie

lS

11-

|

12]

Parts

layout

and

circuit

diagram

......

0.0...

c

cece

eee

ee

12-

*

Parts

guide

This

document

has

been

published

to

be

used

for

ft

les

at

SHARP

CORPORATION

the

contents

are

subject

to

change

without

aatioe

[1]

General

The

PA-W1400/PA-W1410

is

a

portable

personal

word

processor

that

has

the

ordinary

electronic

typewriter

(ET)

functions

and

the

text

editing

functions

of

a

common

word

processor

(WD)

that

can

be

switch

selected.

It

has

the

following

features:

What

the

PA-W1400

differs

from

the

PA-W1410

is

in

the

liquid

crystal

display

panel

and

backlight

circuit.

The

PA-W1410

has

the

backlight

feature.

There

is

a

different

method

for

the

liquid

crystal

display

unit

depending

on

the

availability

of

the

backlight

feature.

@

An

80

characters

x

16

lines

large

size

screen

liquid

crystal

display

with

a

tilt

mechanism.

The

backlight

is

adopted

for

the

PA-W1410,

while

it

is

not

used

by

the

PA-W1400.

(1)

Electrical

circuit

The

main

control

PWB

consists

of

a

power

supply,

mechanical

drive,

keyboard

control,

beeper

drive,

liquid

display,

and

data

storage

(memory,

floppy

disk).

(2)

Block

diagram

The

figure

below

shows

the

block

diagram

for

the

printer

block,

key-

board

block,

floppy

disk

block,

power

supply

block,

and

main

control

PWB.

PA-W1400

@

Internal

single

floppy

disk

drive

@

Use

of

a

96-character

replaceable

printwheel

(non-cassette

type)

@®

The

accessory

floppy

disc

includes

the

following

program

for

sales

promotion

of

the

product.

Please

print

and

utilize

it.

The

sample

of

print

data

showing

as

next

page.

(Operation)

CODE]

+

Power-ON

Block

diagram

AC(V)

50/60H2

+

Power

supply

unit

Printer

mechanical

unit

Lop

unit

Switch

Head

cable

>|

T

CITT

a

al]

Carriage

motor

Carriage

G

home

position

sensor

Main

control

PWB

unit

(EI

Paper

teed

motor

i]

l

FDD

unit

Keyboard

unit

NOTE:

The

LCD

unit

service

parts

is

available

with

it

assembled

in

the

LCD

cabinet.

Since

it

would

be

probable

that

an

open

line

or

a

contact

failure

may

occurs

at

the

junction

between

the

PWB

and

the

LCD

because

of

corrosion,

if

the

LCD

PWB was

left

stored

by

itself

for

a

long

period

of

more

than

three

month,

it

needs

to

be

stored

with

the

LCD

assembled

to

the

LCD

cabinet

with

‘screws,

Although

the

assembly

is

made

available

for

the

ser-

vice

parts,

it

has

to

be

returned

to

its

original

state

if

the

LCD

PWéB

was

removed

for

parts

replacement.

Refer

to

a

later

Paragraph

discussing

“LCD

unit

disassembly

and

re-assemb-

ly"

for

details

of

assembly.

PA-W1400

(Printing

sample)

INTRODUCING

SHARP'S

WORD

PROCESSORS

This

innovative

product

from

Sharp

Corporation

is

a

fully

dedicated

word

processing

system

with

MS-DOS

Compatible

Disk

Format.

This

is

an

all-in-one

system

consisting

of

an

LCD

Display

with

Backlight

(PA-W1410

only)

for

easier

viewing,

a

printer,

a

3.5"

Disk

Drive

and

a

full

Function

Keyboard.

This

Word

Processor

is

easy

to

use

with

many

Menu

Driven

Functions

and

preset

Function

Keys,

all

you

do

is

press

one

key

and

you're

on

your

way

to

a

flawlessly

typed

text,

then

store

it

on

the

disk

for

future

use.

With

the

Merge

Print

feature

you

can

insert

names,

addresses

etc.,

to

all

your

letters

and

reports

automatically.

And

with

the

Form

Fill-in

feature

you

can

easily

complete

preset

forms

in

a

fraction

of

time

than

the

old

manual

way.

Sharp's

Word

Processor

can

be

used

for

Faster,

Efficient

and

Convenient

word

processing

tasks

or

with

a

touch

of

one

key

use

it

as

an

electronic

typewriter.

THIS

ADVANCED

PRODUCT

ALSO

HAS

MANY

BUILT-IN

FEATURES:

*

An

easy

to

read

80

character

x

16

line

LCD

Backlit

Screen

(PA-W1410

only).

*

A

built-in

50,000

character

Memory.

*

An

MS-DOS

Compatible

Disk

with

720KB

per

disk

storage

capacity

for

unlimited

memory.

*

A

15

cps

Bidirectional

Letter

Quality

Daisy

Wheel

Printer.

An

80K

word

Spelling

Dictionary

with

on-line

Thesaurus.

*

Usage

Checker

checks

for

11

punctuation

and

grammatical

errors.

*

Word

Processing:

*

Block

Move/Delete/Copy

*

Search

and

Replace

*

Auto

Insert

*

Merge

Print

*

Page

Formatting

*

View

Page

Layout

*

Form

Fill-in

*

Auto

Storing

*

Disk

and

File

Utilities

*

ASCII

Text

Conversion

Printing

Controls:

*

Auto

Return

*

Auto

Center

*

Auto

Bold

*

Auto

Underline

*

Auto

Indent

*

Word

Count

*

Auto

Justification

*

Auto

Decimal

Tab

*

Capital

Lock

*

Superscript

*

Subscript

_

_*

Plush

Right

Correction

Systems:

:

*

Word

Correction

*

Two

Line

Correction

Memory

*

Relocate

*

Micro

Backspace

*

Word

Backspace

*

Character

Correction

This

Word

Processor

will

make

your

most

difficult

typing

task

easy.

Each

page

you

type

will

convince

you

that

you've

made

a

wise

choice

in

your

purchase

of

Sharp'

sWord

Processor.

-

PA-W1400

(3)

Cautions

[2]

Specifications

1.

Be

sure

to

disconnect

the

power

supply

plug

before

disassembly.

2.

The

power

must

be

turned

off

when

installing

or

removing

the

eae

F

PWB.

(1)

Specification

3.

Hold

the

connector

area

when

fastening

or

unfastening

the

con-

Xx

1

The

ribbon

(1)

must

always

be

used

in

pair

with

the

correction

nector.

Never

manipulate

the

cable.

tape

(2).

Otherwise,

it

may

fail

to

correct.

4.

Do

not

bend

the

carriage

wire

too

often

as

it

is

not

robust

against

bending.

MODEL

5

abe

SPECIFICATIONS

PAW

1400/1410.

5.

Lubrication

must

be

done

to

the

specific

areas

only.

SRINTING

6.

The

LCD

unit

must

be

stored

in

a

state

assembled

to

the

cabinet,

Print

speed

15

cps,

Bidirectional

print

in

order

to

avoid

possible

occurrence

of

contact

failure

and

Printwheel

96

characters,

removable

(Non

cassette

damage

that

may

occur

if

it

was

left

by

itself.

type)

7.

CAUTION:

This

model

has

two

power

switches:

(1)

the

main

Print

pitch

10

or

12

power

switch

in

the

left

rear

side

of

the

body,

and

(2)

the

POWER

WIDTH

key

in

right

upper

side

of

the

keyboard.

Paper

13

inches

If

the

power

is

turned

off

by

pressing

the

POWER

key

in

the

Typing

10

inches

keyboard

before

turning

off

the

main

power

switch,

the

following

RIBBON

TYPE

Correctable

carbon

film,

power

ON

procedure

requires

pressing

of

the

POWER

key

in

the

approx.

50,000

charactors

Meypoee:

CORRECTION

TABLE

|Lift-off

correctable

carbon

film,

approx.

1,200

characters

.

KEYBOARD

(4)

Tools

required

Alphanumerickeys

|

44

2

ce

Key

buffer

32

The

following

tools

are

required

for

servicing.

Selt-repeat

keys

Return,

Backspace,

Space

Bar,

Left

Arrow,

Right

Arrow,

Up

Arrow,

Down

Part

code

Name

Arrow,

Auto

Correction,

the

Code

and

Up

Arrow

keys,

the

Code

and

Down

Ariow

UKOGM1068CSZZ

Loupe

(x15)

keys

Set

of

allen

wrenches

UKOGM0050CSZZ

DISPLAY

O27

18,

28

29-98)

Type

PA-W1400:

Liquid

Crystal

Display

OOPCB-1G102A/

Key

top

removing

tool

PA-W1410:

Liquid

Crystal

Display

with

0.1~5.0

mm

thickness

backlight

UKOGMO075C8ZZ

gauge

Capacity

80

character

x

16

line

(640

x

200

dets)

UKOGM5001BCZZ

Tension

gauge

(3.0

kg)

MEMORY

f

,

‘

UKOGM2024CSZZ

LCD

removing

tool

Amma

Correction

|2

line

(Max.

256

characters

per

line}

UKOG-5013BCZZ

Wheel

wrench

Bulit-in

Memory

50K

byte

DISK

DRIVE

Type

Built-in,

3.5

inch

(DSDD)

Micro

Floppy

Disk

Format

“MS-DOS

disk

format

compatible

Capacity

720K

byte/disk

‘SPELLING

Fer

cope

Nee,

DICTIONARY

OCHFLOILG311S

Grease

(Floil

G-3118)

ho

eae

meee

peated

jser's

Di

.

Is

UROG=0

1850822

Sotaw

grease

(No.

400)

Thesaurus

Approx.

15,000

entry

words

and

approx.

150,000

synonyms

POWER

Approx.

45

watts,

AC

voltage

(+105)

50/60Hz

ENVIRONMENTS

Operating

41

to

104°F

(5

to

40°C)

Temperature

Ambient

Humidity

_|20

to

85%

RH,

w/o

condensation

DIMENSIONS

16.46"(W)

x

15.71"(D)

x

4.92"(H)

/418(W)

x

399(D)

x

125(H)

mm

WEIGHT

PA-W1400:

Approx.

16.1

Ibs.

(7.3

Ig)

PA-W1410:

Approx.

16.5

Ibs.

(7.59)

OPTIONAL

ACCESSORIES

ay

{Beate}

Correctable

carbon

film

ribbon

Lift-off

correction

tape

(dual

pack)

@

'ZX-3FS1]

Except

|Fabric

ribbon

ZX-4CT

[U.S.A

|

Cover-up

correction

tape

(dual

paci)

Reference

to

"[2]-(2).

Option

print

vn

eels",

(3)

Print

wheels

PA-W1400

(2)

Option

print

wheels

The

print

wheel:

appricable

varies

according

to

the

destination.

For

details,

refer

to

the

"DESTINATION

TABLE"

in

the

parts

guide.

Tyee

|

NeenaPtcn

|

CSANS

|

amber

COURIER

10

270-176

ZX-9176H

PRESTIGE

ELITE

12

|

270-020

ZX-9020H

H

CUBIC

1012

270-046

ZX-9046H

SCRIPT

12

270-032

2ZX-9032H

CUBIC

1215

270-046

ZX-0964H

MADELEINE

PS

270-052

ZX-9052H

COURIER

10

269-176

ZX-9176L

CUBIC

1012

269-046

ZX-9046L

fs

SCRIPT

12

|

269-032

2X-9032L,

LIGHT

ITALIC

12

|

269-067

ZX-9067L

TILE

1215

269-125

ZX-9125L

MADELEINE

PS

|

269-052

2X-9052L

COURIER

10

268-176

2X-9176M

CUBIC

1012

|

268-046

ZX-9046M

M

SCRIPT

12

268-032

ZX-0932M

LIGHT

ITALIC

12

268-067

ZX-9067M

TILE

1215

|

268-125

ZX-9125M

MADELEINE

PS

|

268-052

2X-9052M

COURIER

10

267-176

2X-9176N

CUBIC

1012

|

267-046

2X-9046N

N

SCRIPT

12

267-032

ZX-9032N

LIGHT

ITALIC

12

|

267-067

ZX-9067N

TILE

1215

267-125

ZX-9125N

MADELEINE

267-052

ZX-9052N

NOTE:

A

non-cassette

type

printwheel

is

used

for

this

model.

Be-

cause

it

has

a

different

mechanism

with

the

printwheel

in

the

cassette

housing,

be

sure

to

use

the

specific

type.

Note

that

you

cannot

use

the

printwheel

with

the

housing.

[3]

Mechanical

descriptions

(1)

General

Since

the

mechanical

unit

of

this

model

shares

the

use

with

that

of

the

PA-3140II,

procedures

are

identical

to

disassembly,

re-assembly,

and

adjustments.

(Only

the

hammer

unit

specially

prepared

for

this

model.)

This

mechanism

is

made

more

simple

by

eliminating

the

adjustment

locations

as

compared

with

the

conventional

model

and

designed

with

high

reliability

with

more

rigidity

incorporated.

1.

Paper

feed

mechanism

The

paper

feed

mechanism

employs

the

pulse

motor

drive

system

which

works

to

rotate

the

platen

via

the

pinion

gear

®

and

idler

gear

@

when

the

paper

drive

signal

is

given

from

the

main

PWB.

As

it

uses

a

pulse

motor,

it

can

feed

the

paper

with

ease

in

both

forward

and

backward

directions.

Paper

is

fed

by

1/96"

per

pulse,

and

the

detent

works

1/24".

Mechanical

fine

adjustment

is

not

provided.

Fine

adjustment

is

per-

formed

by

means

of

software.

The

pulse

motor

@

and

the

idler

gear

@,

both

mounted

on

the

flexible

PF

holder

©,

are

pulled

by

the

spring

©

toward

the

platen

gear

©

with

a

fixed

force.

This

keeps

zero

clearance

between

the

idler

gear

@

and

the

platen

gear

©,

and

no

adjustment

is

necessary.

IFig.

3-1]

PA-W1400

2.

Paper

release

mechanism

As

shown

in

Fig.

3-4,

when

the

paper

release

lever

©

is

moved

in

the

arrow

direction

(A),

the

feed

roll

holder

support

@

rotates

in

the

direction

C

around

the

pivot

B.

This

allows

the

feed

roll

holder

@

to

move

downward,

releasing

the

feed

roll

@

from

contact

with

the

platen

®.

(Fig.

3-2)

—

{Fig.

3-2]

3.

Carriage

structure

and

driving

method

(Structure)

The

carriage

unit

consists

of

the

following

drive

blocks.

@®

Printwheel

drive

motor

(WH

motor)

@

Ribbon

lift/feed

drive

motor

(RB

motor)

@®

Print

hammer

solenoid

(HM

solenoid)

(Drive

system)

The

carriage

is

driven

by

the

carriage

motor

(CR

motor),

located

on

the

right

side

frame

of

the

printer,

via

the

carriage

timing

belt.

(Home

position)

Immediately

after

power

on,

the

carriage

starts

to

the

left

of

the

platen.

When

it

reached

the

mechanical

left

margin,

the

sensor

switch

on

the

left

side

of

the

printer

mechanism

is

pushed

by

a

needle-

shaped

lever

that

protrudes

from

the

left

side

of

the

carriage

and

the

carriage

momentarily

stops.

Then,

it

moves

to

right

to

the

leftmargin

and

stops

at

the

first

printing

position.

[Fig.

3-3]

PA-W1400

4,

Printwheel

home

positioning

mechanism

The

printwheel

can

be

set

at

its

home

position

by

the

zero

sense

lever

@

and

the

stepping

motor

@

driven

printwheel

flange

@,

in

the

reduction

of

1:4,

After

power

on,

the

carriage

and

the

printwheel

are

set

at

their

home

positions.

During

home

positioning

of

the

carriage,

the

zero

sense

lever

©

contacts

the

main

frame

at

the

left

mechanical

margin

and

moves

in

the

arrow

direction

A,

and

the

zero

sense

lever

stopper

®

engages

with

the

printwheel

flange

@

stops

its

motion,

the

printwheel

flange

®

driving

motor

@

disengages,

to

complete

home

positioning.

(Fig.

3-4)

IFig.

3-4]

NOTE:

As

there

is

no

significant

difference

from

the

conventional

model,

Either

the

cassette

type

or

non-cassette

type

printwheel

may

be

used

if

some

of

parts

are

replaced,

though

it

may

not

be

done

by

the

user.

5.

Ribbon

dirve

and

correction

mechanism

The

ribbon

is

taken

up

by

the

pulse

motor

and

the

cam

is

driven

by

the

same

motor

to

lift

the

correction

tape.

The

motor

is

installed

on

the

ribbon

holder

which

is

different

from

the

predecessor

model,

in

order

to

avoid

some

problem

in

the

mechani-

cal

action

and

parts

accuracy

of

the

drive

train

which

was

necessary

to

transmit

mechanical

power

to

the

ribbon

holder

that

shift

up

and

down

with

the

predecessor

model.

There

is

no

home

position

sensor

used

in

this

new

mechanism,

but

the

home

position

is

established

by

disengaging

the

motor

at

the

end

of

the

cam

slit.

(Cam)

A

cylindrical

cam

is

used

which

consists

of

two

parts

(cam

A,

cam

B)

because

of

parts

molding

and

it

has

three

positions

described

next.

@®

Print

and

ribbon

The

cams

rotate

idle

during

the

ribbon

feed

feed

position:

operation.

®

Standby

position:

The

cams

rest

in

this

position

for

a

certain

period

after

the

printing

has

been

completed.

The

cams

ascend

to

this

position

to

make

correction.

@®

Correct

position:

View

of

cam

transition

@

?

Cam

slit

CAM

B

rE

10

210240

eer

ere

re

wo

90

6)

9120180

pig

300

Ribbon

holder

shitt

[Fig.

3-6]

Since

the

cam

is

installed

on

the

moving

side

(ribbon

holder)

and

a

follower

pin

on

the

stationary

side

(carriage

base),

up

and

down

of

the

cam

slit

and

the

ribbon

holder

vertical

action

are

opposite

to

the

conventional

type.

6.Hammer

solenoid

driving

Ahammer

is

driven

by

the

hammer

solenoid

to

print

a

character

using

the

print

ribbon.

The

correct

tape

is

used

to

erase

the

character

typed.

A

different

current

carrying

time

exists

for

the

hammer

solenoid

to

print

a

character.

(Ex):

*

(Acharacter

with

a

small

surface

area)...Shorter

current

car-

rying

time

H

(A

character

with

a

larger

surface

area)...Longer

current

carrying

time

Print

wheel

—

‘Typing

ribbon

or

correction

tape

PA-W1400

[4]

ELECTRICAL

SECTION

plousjos

Jenup

JOJO!

td

Jenup

ASI

(1)

K

|

4JojOow

au

Aiddns

samod

eaqeBou

G07

(oLvsMvd

40)

Aluo)

unosto

qY6y)

yoRg

ull

9

X

O8

(iequp

win)

feued

GOT

eq1~001

@d0'1d0'S'W

L£dd~00d

SMA‘SOA‘S0A

(exkqyize)

WWHSd

vlWd-~0Vd

M3U'SVO'SVY

LVS~0VS:

(erkqyiv9)

WEG

4as~oas

OVS

{uellosjuoo

ysip

Addo)

Circuit

diagram

ods

41aSay

904

=}

zas~0as

;

|

sac

inal

LWS~0VS:

BLYS-~FIVS

awe

(wou

sew)

{

eoepequl

10}0W)

}

sseooe

WYO

eoeyoiu!

jeued

GO1

oid

sse908

WVHSd

yoo

NOISNVdX:

sng

ByeQ/SSe.PPY:

s010U

HMA

PA-W1400

(1)

outline

of

electrical

section

The

CPU

of

this

model

is

M50734SP,

which

is

a

C-MOS

8-bit

single-

chip

microcomputer

composed

of

the

M50740

CPU

core,

clocked

serial

I/O,

A-D

convertor,

watch

dog

timer,

and

35

lines

of

parallel

/O.

The

CPU

has

iMB

direct

access

memory

space

and

35

lines

of

VO

ports.

The

gate

array

(G.A.)

UPD65027G

is

provided

in

the

peripheral

of

the

CPU,

composing

the

bank

circuit.

ROM's

of

4MB

and

256KB,

dynamic

RAM

of

256KB,

and

static

RAM

(1051832)

of

256KB

are

used

to

store

all

control

programs

and

data

for

spell

check,

thesaurus,

and

grammar.

The

CR

(carrier)

motor,

WH

(wheel)

motor,

and

KEY

are

controlled

through

the

CPU

I/O

ports.

The

RB

(ribbon)

motor,

PF

(paper

feed)

motor,

HAMMER-solenoid,

LCD,

and

FDD

(floppy

disk

drive)

are

controlled

through

the

exten-

sion

ports

of

the

gate

array.

The

CPU

pin

configuration

and

block

diagram

are

shown

below:

CPU

block

diagram

XIN

XQUT

&

Program

counter

PCH

(8)

Program

counter

Pol

(8)

VREF

‘Accumulator

AB)

xe)

P4

&

analog

NO

port

Input

AN

u0(8)

sciK

isto

ADB(8)

P3(6)

‘Address

bus

A

‘Address

&

data

bus

A/D

VO

port

P3

WA

RD

SYNC

ALE

RESET

Voo(Sv)

VoC(Ol

“OO

Index

rapist

|

Index

register

(8)

CPU

pin

configuration

PO4/STBOUT

POS/OME

POBTXD

POTIRKD

PIO

Py

Pia

P13

Pia

VO

port.PO

VO

port.Pt

VO

port,P2:

VO

port.Pa:

P37

RESET

XIN

XOUT

(Ov)

vss

Reset

input

Clock

input

Clock

output

PUEEEPT

EEE

Eee

ea

teehee

Proscalor

PRE

1

(8)

Prosealer

PRE

2

(8)

‘Stack

pointer

S@)

Prescaler

PRE

3

(6)

99

fonicol

circuit

PIL@)

28)

WO

por

P2

P16)

VO

por

Pt

voc(sy)

POS/BUSTYOUT

POZCNTR

POWINT2

POOINTT

woout

Watchdog

timer

AorD0

VO

portPO

2qRB

overflow

output

AVI

agp

AgD3

Aaa

ASIDS

Asie

ArO7

‘Adress

latch

ALE

enable

output

ES

ESE EES

i

Address

Idata

bus

a

"Address

bus

VO

por.P4

Timer

1

TH)

Trstruction

ropistor

(8)

Timer

2

12(6)

Tratruction

JOME

decoder

Timer

3

13.(8)

Control

instruction

PWM

OUT.

Timer

§

18

@)

Timer

W.

we)

ONT

Timor

X

TX

(8)

INT

XD

Busy!

out

VO

pen

PO

PA-W1400

PA-W1410/1400

CPU

(M50734)

Pin

Configuration

Pin

|

CPUsignal

|

Cir

gram

; :

CPU

signal

|

Circuit

diagram

j

'

ad

nae

signal

name

|

YO

Signal

function

Neel

Sian

signal

name.

|

“0

Signal

function

Software

power

key

sense

|

|

33

P40

3

|_|

Default

print

pitch

(10/12)

1

Po4

PKY

1

signal

i

Pat

“4

1

|

Digital

tab

division

symbol

2

DWE

DME

°

Data

memory

access

(Jy)

_

signal

45

pas

-

,

|

Defautt

print

pressure

3

Pos

‘SCAN8

©

|

Data

scan

signal

(line

8)

(High/Low)

4

PO7

SCAN9

©

|

Data

scan

signal

(line

9)

36

p43

DISKCHANGE

|

1

Disk

change

generation

5

PIO

SCANO

Q

|

Data

scan

signal

(line

0)

signal

6

Pit

‘SCANT

(©

|

Data

scan

signal

(line

1)

37

VREF

GND

—

|

Power

source

(GND)

7

Pi2

‘SCAN2

©

|

Data

scan

signal

(line

2)

38

RD

RD

©

|

Data

read

timing signal

8

P13

‘SCANS

©

|

Data

scan

signal

(line

3)

39

WR

WR

©

|

Data

write

timing

signal

9

P14

‘SCAN4

(©

|

Data

scan

signal

(line

4)

[40

® ®

©

|

System

clock

signal

10

PIS

‘SCANS:

©

|

Data

scan

signal

(line

5)

41

|

syNc SYNC

°

conn

ee

read

11

PI6

SCANG

©

|

Data

scan

signal

(line

6)

jiming

signe”.

[2

iy

SCANT

©

|

Data

scan

signal

(ine

7)

|

42

AIS

AIS

(©

[Address

bus

signal

(bit

15)

|

Carriage

motor

excitement

43

A14

A14

©

|

Address

bus

signal

(bit

14)

|

13

P20

cM4

©

|

phase

signal

(-

B

phase)

44

A13 AIS

©

|

Address

bus

signal

(bit

13)

|

44

ral

Gas

©

|

Carriage

motor

excitement

45

A12

AI2

©

|

Address

bus

signal

(bit

12)

phase

signal

(—

A

phase)

46

Alt Alt

(©

|

Address

bus

signal

(bit

11)

45

p22

M2

°

Carriage

motor

excitement

47

A10

A10

|

Address

bus

signal

(bit

10)

phase

signal

(B

phase)

48

‘AQ

AQ

©

|

Address

bus

signal

(bit

9)

Carriage

motor

excitement

|

|

49

AB

AB

(©

|

Address

bus

signal

(bit

8)

16

P23

CMt

°

9)

a

Sone

(A

—

-

50

|

ALE ALE

0

|

Address

latch

timing

signal

el

motor

excitement

A

Ate)

Lares

WM4

_|

©

|

phase

signal

(-B

phase)

st

|

A7/07

aro?

|

vo

|

aeeressidata

bus

elgrell

Wheel

motor

excitement

7

18

_

wus

©

|

chase

signal

(-A

phase)

52

|

A6/D6

Aedes

=|

v0

mae

bus

signal

Wheel

motor

excitement

;

ig

F26.

wn.

©

|

chase

signal

(B

phase)

53

|

As/DS

A5/D5

|

VO

oreo

bus

signal

Wheel

motor

excitement

:

=

re

Mi

©

|

phase

signal

(A

phase)

54.

|

Aaa

aaa

=|

v0

foveal

bus

signal

24

P30

SENSEO

|

|_|

Key

sense

signal

(bit

0)

:

‘Address/data

bus

signal

22

P3t

SENSE1

1

[Key

sense

signal

(bit

1)

55

|

Aa/03

A3/D3

VO

|

pit

3)

2

[23

P32

SENSE2

|

1_|Key

sense

signal

(bit

2)

Addresses

gos

sgtal

[2a

P33

SENSES

|

1

|

Key

senso

signal

(bit

3)

Be

|.

Aes

A2D2

|

HO

wit

2)

25

P34

‘SENSES

|_|

Key

sense

signal

(bit

4)

=

er

aii

Vo

|

Address/data

bus

sigral

26

P35:

SENSES

|_|

Key

sense

signal

(bit

5)

(bit

1)

27

P36

SENSE6

|_|

Key

sense

signal

(bit

6)

538

|

ao/Do

A0/DO

vo

|

Address/data

bus

signal

28

P37

SENSE?

_|_1_|

Key

sense

signal

(bit

7)

(bit

0)

"os

29

|

RESET

RESET

|_|

System

reset

signal

59

|

woout

|

woouT

|

0

Baral

log

timer

outpvt

so

|

XIN

XIN

\

Saleen

a

ee

_

|

|

Cartage

origin

detecinng

signal

XOUT

ae

rol

eager

pte

1

|

Pot

HM

©

|

Hammer

drive

signal

Power

source

(GND)

62

Po2

BDRV

(©

|

Buzzer

drive

signal

63

P03

To

°

FDC

data

transmission

halt

signal

Power

source

(+5V)