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TABLE

OF

CONTENTS

1.

OPERATION

1-1.

OPERATION

OF

HB-501P.

1-2.

MSX-BASIC

REFERENCE

CHART

(ENGLISH).

1-3.

OPERATION

OF

HB-501F.

1-

4.

MSX-BASIC

TABLEAU

DE

REFERENCE

(FRENCH).

2.

SERVICE

INFORMATION

2-

1

.

DISASSEMBLY

.

2-1-1.

Removal

of

the

Cabinet

(Upper)

....

2-1

-2.

Removal

of

the

Main

Board.

2-1-3.

Removal

of

the

Mechanical

Deck

.

.

.

.

2-1-4.

Removal

of

the

Keyboard

Unit.

2-1-5.

Removal

of

the

Keyboard.

2-2.

REPAIR

PARTS.

6.

REPAIR

PARTS

AND

FIXTURE

.

1-1

6-1.

EXPLODED

VIEWS

.

6-1-1.

MAIN

Assembly

(1).

.

1-15

6-1-2.

MAI

N

Assembly

(2).

.

1-23

6-1-3.

Mechanical

Deck

Block

(1)

.

6-1-4.

Mechaincal

Deck

Block

(2)

.

.

1-37

6-1-5.

Keyboard

Unit

(for

HB-501

P)

6-1-6.

Keyboard

Unit

(for

HB-501

F)

6-2.

ELECTRICAL

PARTS

LIST

6-2-1.

MAIN

Board

6-2-2.

CMT

Board

.

2-1

6-2-3.

LED

Board

.

2-1

6-2-4.

POWER

Board

2-1

6-2-5.

FRAME

.

.

.

2-1

6-3.

PACKING

MATERIAL

AND

ACCESSORY

2-2

2-2

2-2

3.

BLOCK

DIAGRAM

3-1.

MAIN.

4.

SCHEMATIC

DIAGRAM

AND

PRINTED

CIRCUIT

BOARD

4-1.

SEMICONDUCTOR

PIN

ASSIGNMENTS

4-2.

MAIN

BOARD.

4-3.

CMT,

LED,

POWER.

4-4.

KEY

(FOR

HB-501P)

.

4-5.

KEY

(FOR

HB-501F).

4-6.

FRAME.

4-1

4-10

4-18

4-21

4-24

4-27

5.

ALIGNMENT

5-1.

CLOCK

FREQUENCY

ADJUSTMENT

.

.

.

5-2.

CASSETTE

RECORDER

ADJUSTEMNT

.

.

5-2-1.

RECORD/PLAYBACK

Head

Azimuth

Adjustment.

5-2-2.

Tape

Speed

Adjustment.

5-3.

RGB

UNIT

ADJUSTMENT

(FOR

HB-501F)

5-3-1.

Preparations..

5-3-2.

SYNC

Pulse

Clamp

Adjustment

.

5-3-3.

Blue

Output

Level

Adjustment.

5-3-4.

Red

Output

Level

Adjustment.

5-3-5.

Green

Output

Level

Adjustment.

5-1

5-1

5-1

5-1

5-1

5-1

5-1

5-2

5-2

5-2

H

u

i

HB-501P/501F

OPERATION

1

-

1

.

OPERATION

OF

HB-501P

TABLE

OF

CONTENTS

»ng.

2

.

3

Precautions

.

4

Location

and

function

of

parts

and

controls

.

5

Connection

of

peripherals

.

7

Hum

to

start

up.

1

0

Seaboard

operation

.13

Woe

to

use

the

built-in

bit-corder.20

Mem

ory

map.24

Staecrfrcations

.25

this

computer

only

with

peripherals

and

software

having

the

mark.

TR*

fire

or

shock

hazard,

do

not

expose

the

unit

to

rain

or

FEATURES

Built-in

MSX-BASIC

The

built-in

MSX-BASIC

has

various

commands,

statements

and

functions

which

allow

you

easy

program

development.

With

the

MSX-

BASIC

sprite

function,

you

can

make

and

move

the

different

patterns

on

each

of

the

32

sprite

planes.

The

sound

generator

makes

it

possible

to

output

three

tones

and

one

noise

simultaneously,

so

that

you

can

generate

various

effect

sound

or

music

by

using

the

PLAY

and

SOUND

statement

of

the

MSX-BASIC.

Two

supplied

manuals

for

the

MSX-BASIC

will

tell

you

not

only

how

to

use

the

MSX-BASIC

but

also

the

pleasure

of

programming.

Easy-to-use

Personal

Data

Bank

The

Personal

Data

Bank,

which

is

the

supplied

software,

makes

it

easy

to

handle

personal

data

such

as

addresses,

phone

numbers,

and

so

on.

Convenient

to

use,

you

are

sure

to

find

many

uses

for

it.

;*in

bit-corder

Using

the

built-in

bit-corder,

saving

and

loading

of

various

programs

and

data

files

can

be

easily

made.

electrical

i

personnel

Pause

function

The

action

of

a

video

game,

for

example,

on

the

color

monitor

can

be

stopped

momentarily

by

pressing

the

PAUSE

button.

Various

peripherals

for

the

HB-501P

Various

peripherals

can

be

connected:

MSX-BASIC

program

and

data

and

the

Personal

Data

Bank

data

can

be

saved

not

only

on

an

audio

cassette

tape

but

also

on

a

data

cartridge

or

a

micro

floppydisk.

To

print

out

data

or

graphics,

the

color

plotter

printer

is

useful.

When

playing

a

computer

game,

you

can

use

up

to

two

joystick

controllers

to

make

the

game

more

exciting.

Peripheral

devices

for

HB-501P

Device

name

Major

features

HBD-50

Micro

Floppydisk

Drive

•

High-density

information

storage

•

Easy-to-operate

•

Fast

recall

of

data

JS-55

Joystick

•

Designed

for

left

or

right

handed

players

•

Shoot

buttons

on

both

left

and

right

JS-75

Wireless

Joystick

•

No

cords

to

get

tangled

•

Can

be

operated

from

up

to

7

meters

away

PRN-C41

Color

Plotter

Printer

•

Four-color

printer:

black,

blue,

green

and

red

•

Light

weight

and

compact

•

Can

use

any

paper

up

to

114

mm

in

width

3

*

^

1-1

PRECAUTIONS

On

safety

•

Operafe

the

unit

oniy

on

220V

ac.

•

Should

any

solid

object

or

liquid

fall

into

the

cabinet,

turn

the

power

off

and

have

the

unit

checked

by

qualified

personnel

before

operat¬

ing

it

any

further.

•

Unplug

the

unit

from

the

wall

outlet

if

it

is

not

to

be

used

for

an

extended

period

of

time.

•

Do

not

place

or

drop

heavy

objects

on

the

power

cord.

Use

of

a

damaged

cord

is

dangerous.

To

disconnect

the

cord,

pull

it

out

by

the

plug—never

pull

the

cord

itself.

On

installation

•

The

computer

consists

of

high-precision

electronic

parts.

Do

not

drop

it

or

bump

it

against

other

objects.

Do

not

place

it

in

a

place

subject

to

vibration

or

on

an

unstable

base.

•

Do

not

install

the

unit

near

heat

sources

such

as

a

radiator

or

an

air

•

duct,

or

in

a

place

subject

to

direct

sunlight,

excessive

dust,

and/or

moisture.

•

Do

not

place

electronic

equipment

near

the

computer.

It

may

mal¬

function

if

affected

by

an

electromagnetic

field.

•

Provide

adequate

air

circulation

to

prevent

internal

heat

build-up.

Do

not

place

the

unit

on

surfaces

(rugs,

blankets)

or

near

materials

(curtains,

draperies)

that

may

block

the

ventilation

slots.

•

Use

only

the

specified

peripheral

equipment;

otherwise,

trouble

may

result.

Before

connecting

peripheral

equipment,

be

sure

to

turn

the

power

off

or

the

internal

1C

chip

may

be

damaged.

•

Keep

the

supplied

personal

data

bank

away

from

equipments

with

magnets,

such

as

speakers

and

amplifiers,

because

their

magnets

could

cause

erasures

of

the

personal

data

bank.

On

cleaning

•

Clean

the

cabinet

and

keyboard

with

a

soft,

dry

cloth,

or

a

soft

cloth

lightly

moistened

with

a

mild

detergent

solution.

Do

not

use

any

type

of

solvent,

such

as

alcohol

or

benzine,

which

might

damage

the

finish.

If

trouble

occurs,

unplug

the

unit,

and

contact

your

designated

Sony

dealer.

LOCATION

AND

FUNCTION

OF

PARTS

AND

CONTROLS

POWER

switch

and

Indicator

RESET

button

MUTE

button

STOP/EJECT

button

FF/CUE

(fast-forward/cue)

button

REW/REVIEW

(rewind/review)

button

LOAD

button

SAVE

button

Tape

counter

and

reset

button

MONITOR

selector

Select

the

appropriate

position

to

monitor

the

data

saved

on

cassette.

OFF:

Sound

is

not

monitored.

L:

Low

volume.

H:

High

volume.

LOAD/SAVE/OPERATION

indicator

Indicates

the

operation

of

the

bit-corder.

See

page

20.

Resets

the

computer

to

the

initial

state.

When

the

button

is

pressed,

the

built-in

memory

contents

will

be

destroyed.

PAUSE

button

-

Press

this

button

to

momen¬

tarily

stop

the

program

execution.

1-2

HB-501P

«

CONNECTION

OF

PERIPHERALS

%

CONTROLLER

A

and

B

connectors

Accept

joystick

controllers.

See

page

9.

Keyboard

See

page

13.

—

Cartridge

slot

1/2

This

slot

can

be

used

to

insert

a

ROM

cartridge

or

a

RAM

cartridge.

See

page

12.

PRINTER

connector

(14-pin)

—

1

Connect

an

8

bit

parallel

transfer

printer

of

the

MSX

specifications.

VIDEO/AUDIO

(video/audio

output)

—

connector

(6-pin

DIN

connector)

Connect

to

a

6-pin

DIN

audio/video

input

of

a

monitor

TV.

RF

connecter

-

Connect

to

the

TV

antenna

terminal

of

a

normal

TV

receiver

with

a

75-ohm

coaxial

cable.

Ground

terminal

-

Ac

power

cord

-

Cursor

joystick

(supplied)

and

Cursor

joystick

holder

Make

sure

to

turn

off

the

computer

and

all

the

devices

to

be

connected.

CONNECTING

A

MONITOR

TV

Connecting

a

normal

TV

receiver

1

Connect

the

TV

antenna

terminal

to

the

supplied

antenna

selector.

2

Connect

a

TV

receiver

to

the

computer.

To

UHF

input

f

©

Antenna

selector

(supplied)

To

COMPUTER

To

RF

Normal

TV

receiver

To

a

wall

outlet

3

Select

the

channel

UHF

36

for

the

computer.

The

RF

output

of

the

computer

is

set

to

the

channel

UHF

36

at

factory.

Note

on

the

channel

adjustment

knob

If

the

channel

UHF

36

is

occupied,

or

if

the

display

distorts

on

the

channel

UHF

36,

turn

the

knob

at

the

rear

of

the

computer

with

a

small

screwdriver

to

change

the

UHF

channel.

When

you

turn

the

knob

clockwise,

the

channel

changes

to

35,

and

if

the

knob

is

turned

counterclockwise,

the

channel

changes

to

37.

The

channel

can

be

set

from

35

to

37

with

the

knob.

Note

Set

the

switch

of

the

antenna

selector

to

the

COMPUTER

position

when

using

the

computer.

To

watch

TV,

set

it

to

the

AERIAL

position.

HB-501P

1-3

Connecting

a

monitor

TV

with

RF

AUX

connector

in

front

CONNECTING

A

PRINTER

PRN-C41

etc.

To

PRINTER

To

the

parallel

connector

7-

@

o

a

Printer

cable

supplied

with

the

PRN-C41

CONNECTING

A

JOYSTICK

CONTROLLER

If

your

monitor

TV

has

a

composite

vi

DIN

type)

signal

input

(BNC-type

or

6-pin

To

VIDEO/AUDIO

Note

The

VMC-262M

connecting

cable

with

the

EAC-57

adaptor

can

be

used

instead

of

the

RK-140.

To

VIDEO/AUDIO

JS-55

Joystick

Controller

JS-75

Wireless

Joystick.Receiver

etc.

1-4

HB-501P

HOW

TO

STARTUP

The

computer

itself

consists

of

many

electronic

parts

such

as

LSIs

and

ICs,

and

other

electrical

and

mechanical

parts.

These

are

called

“hardware”.

The

computer

can

perform

various

kinds

of

jobs

using

programs

that

determine

the

sequence

the

computer

should

follow

to

do

the

job.

(These

programs

are

also

called

“software”.)

For

the

HB-501P,

there

are

mainly

four

types

of

program:

•

Program

built

in

the

HB-501P

Personal

Data

Bank

MSX-BASIC

interpreter

•

Program

stored

in

the

cassette

supplied

with

the

HB-501P

Personal

data

bank

•

Commercially

available

programs

in

MSX-cartridge

form

Games

and

other

useful

programs

are

available.

•

User

designed

programs

in

MSX-BASIC

You

can

make

your

own

programs

using

the

built-in

MSX-BASIC

interpreter.

A

knowledge

of

BASIC

programming

is

required.

When

all

the

necessary

connections

have

been

made,

select

the

program

and

follow

the

appropriate

steps

to

get

started.

TO

START

UP

THE

PERSONAL

DATA

BANK

Insert

the

supplied

cassette

tape

into

the

bit-corder

and

make

necessary

adjustments

for

loading.

For

details,

refer

to

“How

to

use

the

Personal

Data

Bank”.

Data

created

by

the

Personal

Data

Bank

can

be

saved

to

a

cassette

using

the

built-in

bit-corder,

to

an

optional

HBI-55

data

cartridge

or

to

a

microfloppy

disk

using

the

HBD-50

micro

floppydisk

unit.

To

use

the

data

cartridge

or

micro

floppydisk

unit,

first

insert

the

data

cartridge

or

the

interface

cartridge

of

the

micro

floppydisk

unit

into

the

cartridge

slot

LU

or

[

2

],

then

turn

on

the

power.

Refer

to

“How

to

use

the

Personal

Data

Bank”

for

details.

Note

on

MSX-DOS

When

MSX-DOS

commands

(except

DIR,

FORMAT

and

BASIC)

are

used,

data

created

by

the

Personal

Data

Bank

are

not

maintained.

Therefore,

be

sure

to

save

data

before

transferring

control

from

the

Personal

Data

Bank

to

MSX-DOS.

Once

the

above

MSX-DOS

commands

are

used,

the

following

MSX-

BASIC

commands

cannot

be

used:

SAVE

“CAT:”,

LOAD

“CAT:”,

CALL

HITBIT

TO

START

UP

MSX-BASIC

1

Turn

on

the

monitor

TV

and

the

computer.

The

computer

enters

the

MSX-BASIC

command

wait

state.

For

further

operation,

refer

to

“Introduction

to

MSX-BASIC”

and

“MSX-BASIC

Programming

Reference

Manual”.

f

HB-501P

1-5

KEYBOARD

OPERATION

TO

START

UP

A

GAME

OR

OTHER

PROGRAMS

IN

AN

MSX

CARTRIDGE

Insert

the

cartridge

into

cartridge

slot

i

or

2

with

the

illustration

side

toward

you.

Then,

turn

on

the

monitor

TV

and

the

computer.

For

details,

refer

to

the

instruction

manual

of

the

program

cartridge.

Caution

|

Do

not

insert

or

remove

the

cartridge

while

the

computer’s

power

is

on.

Using

the

PAUSE

button

To

momentarily

stop

the

action

of

games,

etc.,

press

the

PAUSE

button

located

above

the

Q

keys.

To

resume

the

game,

press

the

PAUSE

button

again.

This

does

not

affect

the

game

score,

etc.

Caution

j

With

some

software,

use

of

the

PAUSE

button

may

distort

the

display.

Using

the

curstick

(cursor

joystick)

Insert

the

supplied

curstick

into

the

center

hole

of

the

cursor

keys.

This

allows

you

to

use

the

cursor

keys

as

an

8-direction

joystick.

KEY

ARRANGEMENT

Alphanumeric

characters

are

arranged

in

the

standard

QWERTY

type¬

writer

keyboard,

as

shown

below.

Edit

keys

Control

keys

The

keyboard

has

character

input,

control,

edit

and

function

keys.

When

a

character

input

key

is

pressed,

the

corresponding

character

is

entered

into

the

computer.

When

a

control

key

is

pressed,

the

corre¬

sponding

operation

is

performed.

Character

input

keys:

A

to

Z,

0

to

9,

+,

?,

”,

and

so

forth.

The

space

bar

generates

a

blank

space.

.[inland

cursor

move

keys

(Q)

.

□

]>

Edit

keys:

IhomeI,

Control

keys:IT],

m

©

CODE],

CTRL],

ESC

I

STOP

I

,

and

I

SELE

CT

EKES)

to

ire]-

A

graphic

pattern

sheet

is

supplied

on

page

27.

Use

this

sheet

to

see

at

a

glance

what

keys

to

press

to

enter

a

desired

symbol

or

a

graphic

pattern.

i.

!

«%

Al

pr

idol

ps

—*1

In

'IK

I

*

*11

3l)

zte

-6

m

W

cor*

4*«1rT

GRAPH

OHIrl

imm

j*

a:

r

X

#£

V

CODE

vJRAPM

To

enter

these

patterns

or

characters,

see

page

15.

1-6

HB-501P

CHARACTER

INPUT

To

enter

characters

When

a

character

input

key

is

pressed,

the

small

letter

or

symbol

printed

on

the

lower

part

on

the

key

top

is

entered.

When

a

character

input

key

is

pressed

with

the

[v]

key,

the

capital

letter

or

symbol

printed

on

the

upper

part

of

the

key

top

is

entered.

To

enter

only

capital

letters

Depress

the

igg

key.

When

this

key

is

pressed,

it

will

lock;

when

pressed

again,

it

will

unlock.

While

this

key

locks,

the

indicator

on

the

key

lights

up,

and

the

26

alphabet

letters

are

entered

in

caps

(just

as

when

the

[TH

key

is

pressed

in

the

normal

mode),

but

numbers

and

symbols

are

entered

in

the

normal

mode.

To

put

an

accent

mark

on

a

character

Key

0

is

used

to

put

an

accent

mark

on

a

character.

To

put

the

accent

mark

printed

on

the

lower-left

of

the

key

(')

on

a

character,

first,

press

key

0

(in

this

step,

no

symbol

is

displayed

on

the

screen).

Then,

press

the

character

input

key

needing

an

accent

mark.

The

character

with

an

accent

mark

is

displayed.

In

the

same

way,

to

put

the

accent

mark

on

the

upper-left

of

the

key

0

(

),

press

the

key

while

pressing

the

.

key.

Then,

press

the

character

input

key

needing

an

accent

mark.

To

put

the

accent

mark

on

the

lower-right

of

the

key

0

(“),

press

the

key

together

with

the

[CODE

1

key.

To

put

the

accent

mark

on

the

upper-right

of

the

key

0

("),

press

the

key

while

pressing

the(T]key

and

the

CODE'

key.

This

key

-

CODEI

+

This

key

-

T^ODEj

To

enter

a

character

or

symbol

printed

on

the

graphic

pattern

sheet

The

procedure

to

enter

a

character

or

symbol

printed

on

the

supplied

graphic

pattern

sheet

is

as

follows:

To

enter

graphic

patterns

To

enter

the

graphic

pattern

printed

on

the

lower-right

part

of

the

key

on

the

graphic

pattern

sheet,

press

the

corresponding

keyboard

char¬

acter

input

key

while

pressing

the

GRAPH

key.

To

enter

the

graphic

pattern

printed

on

the

upper-right

part

of

the

key

on

the

graphic

pattern

sheet,

press

the

corresponding

keyboard

char¬

acter

input

key

while

pressing

the

[GRA

PH

key

and

the[T]key.

14

15

HB-501P

1-7

To

enter

special

characters

To

enter

the

character

or

symbol

printed

on

the

lower-left

part

of

the

key

on

the

graphic

pattern

sheet,

press

the

corresponding

keyboard

character

input

key

while

pressing

the

[CODE

key.

Pressed

key

CODE

+

o-

Character

or

symbol

to

be

entered

w

O

CODE]

+

m

To

enter

the

character

or

symbol

printed

on

the

upper-left

part

of

the

key

on

the

graphic

pattern

sheet,

press

the

corresponding

keyboard

character

input

key

while

pressing

the

[CODE]

key

and

the

..

key.

Pressed

key

Character

or

symbol

to

be

entered

[CODE]

+!{>!+

i'\

I

[CODE]

+['}]+

n-

N

Note

When

using

the

[code]

k

ey,

release

the

@

key.

EDIT

KEY

FUNCTIONS

Keys

NSl.

f

PEQ

.Inland

cursor

move

keys

(@)

are

mainly

used

for

editing

a

line

or

screen.

Each

function

is

determined

by

the

soft¬

ware

used,

so

read

the

relevant

Software

Guide

for

details.

Under

MSX-BASIC,

the

edit

keys

function

as

follows:

[home]

key

When

this

key

is

pressed,

the

cursor

moves

to

the

upper-left

corner

of

the

display

screen.

The

characters

displayed

on

the

screen

remain.

When

pressing

this

key

together

with

the[T]key,

the

cursor

moves

to

the

upper-left

corner

of

the

screen,

while

any

character

displayed

on

the

screen

is

erased.

[Ins]

(insert)

key

Once

this

key

is

pressed,

the

computer

is

set

to

the

insert

mode.

In

this

mode,

the

cursor

becomes

smaller

and

the

character

at

the

cursor

position

and

the

followings

are

moved

one

space

to

the

right

when

a

key

is

pressed,

and

you

can

insert

as

many

characters

as

you

want.

When

pressing

this

key

again

or

moving

the

cursor

with

cursor

move

keys,

the

insert

mode

will

be

released.

[del!

(delete)

key

The

character

at

the

cursor

position

is

deleted.

All

characters

after

the

deleted

character

are

moved

one

space

to

the

left.

(back

space)

key

When

this

key

is

pressed,

the

cursor

moves

one

space

to

the

left

and

the

character

in

that

position

is

deleted.

Si

(cursor

move)

keys

These

keys

are

used

to

move

the

cursor

one

space

in

the

direction

of

the

triangle:

to

the

right,

to

the

left,

up

or

down.

When

the

keys

next

to

each

other

are

pressed

at

the

same

time,

the

cursor

moves

diagonally.

Any

character

which

the

cursor

moves

over

does

not

change.

CONTROL

KEY

FUNCTIONS

[B

key

When

this

key

is

pressed

together

with

a

character

input

key,

the

cor¬

responding

symbol

in

the

shift

position

(upper-left

symbol

on

the

key)

or

corresponding

capital

letter

is

entered.

®

key

When

this

key

is

pressed,

it

will

lock

so

that

all

letters

are

entered

in

capitals.

Numbers

and

symbols

will

be

entered

normally

even

if

this

key

locks.

When

the

key

is

pressed

again,

it

will

unlock.

While

this

key

is

locked,

the

indicator

on

the

key

lights

up.

[CODE]

key

When

this

key

is

pressed

together

with

a

character

input

key,

the

lower-left

character

or

symbol

printed

on

the

graphic

pattern

sheet

(supplied

at

the

end

of

this

manual)

is

entered.

When

this

key

is

pressed

together

with

a

character

input

key

and

the

key,

the

upper-left

character

or

symbol

on

the

graphic

pattern

sheet

is

entered.

[G

RAPH]

key

When

this

key

is

pressed

together

with

a

character

input

key,

the

lower-right

graphic

pattern

printed

on

the

key

is

entered.

When

this

key

is

pressed

together

with

a

character

input

key

and

the

□□

k

ey,

the

upper-right

graphic

pattern

printed

on

the

key

is

entered.

1-8

HB-501P