Sharp MZ-3500 Manuale utente

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l

')

-.

•

MZ-3500

SHARP

SERVICE

MANUAL

CODE:

OOZMZ

3500SM/E

PERSONAL

COMPUTER

MODEL

MZ-3500

-------------CONTENTS

-------------..,

1. Specifications . . . . . . . . . . . . . . . . . . . . . • . . . . . . . • . • . . . • • • . . • . . . • • • • • • • • • • • . . .

..

1

2. Software (Memory) Configuration

..............•....................•..........

7

3.

CPU

and memory

...........................................•..•.•........

12

4. CRT

display.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . • . . • • • . . . . . . . . . . . . • . . . .

..

25

5.

MFD

interface

..................................•.....•.....•....•.......

52

6. R232C interface

......

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . • . . . . . . . . . .

..

72

7. Printer interface

.......................................•.....•............

78

8. Other interface . . . . . . . . .

..

..,

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . .

..

81

9. Power circuit discnption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . .

..

87

10. Keyboard controller circuit discriptlOn . . . . . . . . . . . . . . . . . . . • . . . . . • . . . . • . • • . . • . . . .

..

90

11. Self check

functions.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

..

94

12. IPL flow chart

...........................................................

103

13. Circuit diagram & P.W.S

Parts list & Guide

SHARP

CORPORATION

-

\173500

1.

SPECIFICATIONS

1-1_

Specification

of

the main unit (Model

35XX)

1) HIgh speed procesSing uSIng

multl-CPll

2)

Built

,n

minI

floppy

dIsk

Outl,ne

3)

Built

In pronter Interface and RS232C

<eroal

Interface

4) ConnectIon

of

up

to

two

vIdeo d,spla\

,""ts

(separate graphIC dIsplay

or

overlaId dISplay possIble on

two

,nd,v,dual

color

monItor

unots)

5) PermIts the

use

of

standard

CP/M

Model

3530

Incluse a single double-side, c'1uble density

minI

floppy

Model 3531 Includes a sIngle

double

sIde,

dIsk and

64

KB

RAM,

double densIty

minI

floppy

dIsk and 128

KB

Model

MZ3540

has

two

double-side,

densIty

mInI

floppy

dIsks and Model 3541

has

two

double

side, double

64

KB

RAM.

densIty

minI

floppy

dIsks, and 128 KB

CPU

Mu

Itl-CPU processing

Z80A

mIcroprocessor x 2

IPL

8K

Byte

ROM

C,G

8K

Byte

ROM

For

main CPU

64K

BIt

DRAM

x 16 chIps

or

8 chIps

MEMORY

For

sub-CPU

16K

Bit

SRAM

x 4 chIps

RAM

Shared

RAM

16K

BIt

SRAM

x 1 chIp

VIDEO

16K

B't

SRAM

x 1 chIp

RAM

4K

Bit

SRAM

x 2 chIps

LSI

Memory

mapper

TH

SP6102ROOl

Custom

LSI Screen

controller

CSP·l SP6102COO2

CSP

2 SP6102COO3

GDC

CRT

controller

jJPD7220

I/O

FDC

Floppy

disk

controller

jJPD765

PlO

Parallel

I/O

port

8255

SIO

Serial

I/O

port

8251

TIMER

Counter

8253

CLOCK

Clock

jJPDI990AC

Screen

structure

80

characters x

25

hnes,

80

x

20,40

x

25,

or

40

x

20

Elements

8 x

16,8

x 8

DISPLAY

Attribute

Reverse,

blink,

hne (hOrizontal, vertIcal)

Colors

8 colors

on

each character and

background

color

IIF

2 channels (applicable

CRT

640

x

400,

640

x

200,

B/W

or

color)

One

double-side,

MZ353X

double

density

256

bytes/sector, 16 sectors/track,

80

tracks/disk

MFD

floppy

disk

Two

double-side,

MZ354X

double

density

Built-in

interface

for

optional

MFD

floppy

disks

LIght

pen

( )

Other

I/F

Keyboard

Dedicated

keyboard

--

---------~

-

-----

Pronter CentronlCS

,"terface

RS232C

No

protocol,

asynchronus mode,

110

to

9600

bps,

half-duplex

Other

Speaker

(500mW)

Battery

backup

clock

I

HALT

SW Speaker volume

control

functions

HIgh class

compatIble

wIth

PC3200

BASIC,

supplemented and graphIC

BASIC

control

commands

Expanded RS232C, GPIB, and GPIO

FDOS

Software

Utilities

BACKUP,INIT,

COPY,

DEBUG,

KILLALL

CP/M Basic

CP/M

Expanded

CP/M

I

ntstruct,on

Manual

Accessoroes master

floppy

disk

power

cord

-)-

-

MZ3500

'-2.

MZ-1KOl (Keyboard)

specification

MZ1K02 U.S.

keyboard

(ASCII)

MZ

1K03: U.K.

keyboard

(ISO).

Outline MZ1K04 German

keyboard

MZ1K05:

French

keyboard

Keyboard

controller

8OC49

or

8749

LSI,IC

CMOS1C

4049

x

2,4514

Sculpture

key

Mechanical

contact

key,

with

life

of

10,000,000

operations.

Keys (98)

Alphanumeric

keys 61

Ten

key 1

15

J

Function

keys J 6 J Definable keys I

10

Mode

switch

1

Interfacing cables

For

data

transfer

with

the

CPU (serial)

and

power

supply

!transmission

under

15,000

baud)

Specification Use

of

coiled

cable

with

8-pin DIN plug

Repeat

function

Automatic

repeat

occurs

0.64

seconds

after

1

2 1

Two-key rollover

Other

continuous

depression

of

the

same

key_

Indicators

(4 LED's) POWER, Alphanumeric keys

Molded

I

Color

Office gray

Cabinet

Size

(W

x H x

LI

467

x

35

x

190

1 Weight 1

About

1_5kg (3_3 Ib)

Keyboard

layout

Refer

to

the

page

7IN

"CIRCUIT

DIAGRAM"

1-3. MZ-1U02

Expansion

unit

for

the

MZ-3500

series CPU, which

can

be

attached

to

the

rear side

of

the

main unit_ /

Outline

Optional

boards

are plugged in

to

the

expansion

box.

The

expansion

box

will

accomodate

up

to

four

option

boards.

Number

of

slots: 4 slots

Slot

connector.

60-pin

edge

connector

x 4

Specifications Area

of

the

slot

inserting

option

board:

140_5 x

140

Slot

for

option

and

slot

number

Slot

1

Slot

2

Slot

3

Slot

4

MZ-1R06

0 0

(expansion

RAM)

SFD

IIF 0 0

Expansion

RS232C 0 0 0 0

GPIO 0 0 0 0

GPIB 0 0 0 0

(I

EEE I/F)

-2-

-

MZ3~O

Expansion

unit

-----

-

-----

--~

Screw (2)

Screw (1)

\ \ ,

Screw (2)

,

\~

Screw (1)

1-4. MZ-IR03

Optional

board used graphic display

functions

with

the

Model-3500

series CPU.

It

includes

32KB

of

RAM.

Outline

It

is

inserted

through

the

slot

on

the

front

panel

of

the

PU.

The

MZ-1U02

expansion

box

is

not

required.

GDC

1

Graphic

controller

"PD7220

LSI Basic

(buit-in)

16KDRAM

x

16

(32KB)

VIDEO

RAM

Expansion

16KDRAM

x

32

(64KB)

(optional)

Specifications

~M

32KB

96KB

(basic)

(maximum

e)(pansion)

Graphic

functions

640

x

200

640

x

200

dots

640

x

200

dots

(Col

or

must be green

monitor

Two

screens

Six

screens

specified

for

each

640

x

200

-------

640

x

200

dots

dot.

when the

color color

monitor

Two

screens

video

unit

is

in use)

640

x

400

640

x

400

dots

640

x

400

dots

green

monitor

One

screen

Three

screens

(

640

x

400

-----

640

x

400

dots

color

monitor

One screen

SDISP Screen designation

for

two

video

units.

BASIC

graphic

control

statements

ODISP

Designation

of

output

screen.

Software

CHANGE

DISP

Mode

designation

GCOLOR

Graphic

pattern

designation

CLS

Cleared

by

the

color

specified.

PSET

Dot

set

PRESET

Dot

reset

LINE

Line

creation

GTABLE

Table

creation

CIRCLE

Circle

creation

PAINT

Paint

over

GINPUT

Input

of

graphic

pattern

GDISP Display

of

graphic

pattern

GPRINT

Output

of

graphic

pattern

on

printer

GREAD

Read

of

coordinates

GENTER

Input

of

pattern

within

the

specified

area

GCURSOR

Graphic

cursor

position

designation

GSCROL

Graphic

screen

scrolling

SYMBOL

Graphic

symbol

displaying

SCALE

Scren scle-down designation

-3-

-

MZ3500

[J

I I I I I I I I

11

~

1-6. MZ-1R06

Optional

board

for

memory

e)(pantion

of

the

MZ-3500

sries CPU.

with

thIS

option

the

main

memory

(RAM)

can

be

e)(panded

Outline

up

to

a

ma)(imum

of

256

KB.

This

option

plug

into

the

e)(pantion bo)(

in

slot 1

or

3.

Basic I

64KDRAM

x 8

(64KBI

LSI I

64KDRAM

x 8

(128KB)

Specifications

E)(pansion

Memory

and user

Main

CPU

only

Use

of

MZ-1R06

Using

eight

64K

RAM's

area

on

the

MZ-1R06

Total

capacity

of

128

KB

192

KB

256

KB

the

main

CPU

RAM

SYSTEM

•

57

KB

--

BASIC

AREA

(RAM

USER

BASE)

AREA

80

KB

128

KB

208

KB

, \ ,

" , \ \

" "

"

\,

,.('\

,

',~.~Y

'~~~

~~~?

-4-

(

1-7_

MZ-1007

Outline

High resolution

MZ

3500

series

12

green

monItor

Video

tube

Display capacity

Specifications

--

DISplay

sIZe

I

nput

Signals

Power

supply

Cabmet

AdJusting

knobs

Accessories

~

Type

Non

glarp green ISize

Fluorescent

cOl

or

P39

(green, long

PERSISTANCE)

Total

number

01 I

2,000

characters

1~

Display

capacity

dISplay

characters

(80

characters

x

25

Imes)

-

220

x

145

Method

Separate

mput,

TTL

level

-HOrizontal

2086kHz

!

Vertical

"}<;JW

power

consumption

Molded

Color

IOffice gray

Size

{W

x H x Ll

!324x310x356

! Weight

3 Vertical

synchronization,

contrast,

brightness

CPU

connection

cable

and

power

cord

and

Tilt

stand

-!)-

N

..

MZ3500

I

12",

90

0

deflection

1

640

hOrizontal

dots,

400

vertlcallmes

I

478Hz

! 7_2 kg

--

-

MZ

3500

1-8. System configuration

of

Model

3500

12"

green

monitor

MZ·1007

12"

color

'---

monitor

MZ-1008

Keyboard

MZ·1K02

MZ·1K03

MZ·1K04

G-RAM

MZ·1K05

MZ-1R04

LIght

pen

I

MZ·1X02

Pronter

r-

MZ·1P02

GRAM

Board

MZ-1R03

Cable

;--

MZ-1C16

t---

~

Color

,nkjet

'---

printer

MZ·1P04

r-

,--

-

--,

I

p.

r---I ronter I

..-

I CE-332P I

r--l

Cable 1

_____

J

~

r-

MZ-1C03

r--

,-

--

-

-,

1

Printer

I

1

102824E

I

_____

J

Model-3531·

Cable

Option

MFO

MZ-1C07

MZ-1F02

~

Option

MFO

,..-----,

MZ-1F03

Cable I

OptIon

MFOI

'---

MZ-1COO

CE·331M

I

L

____

...J

RS-232C RS232C

I/F

r-

-Cable

MZ-1EOl

MZ-1C05

I--

GP

I/O

Cable

MZ-1E02

MZ-1C19

Expansion

f}

'--

unit

MZ-1U02

r-

SFO

IF

OptIon

SFO

Option

SFO

MZ-1E03

MZ-1F05

MZ·1F05

Option

RAM

'---

PWB

Option

RAM

·Model·3541

~

Model·3531

+

MZ·1F03

MZ-1ROO

MZ·1R07

-6-

,

I

l~

-(

..

MZ

3500

2.

SOFTWARE (MEMORY) CONFIGURATION

Memory will be

operated

under

four

states

of

SOO

~

S03,

depending on

the

hardware

and

software configurations.

In

the

paragraphs

to

follow, description will be

made

for

those

four

states.

MA3

MA2

MAl

MAO

MAIN

CPU

o

~

FFFF

1

jRAM<COM)

~.

t,

COOO

BFFF

8000

7FFF

RAMA

4

RAMA

3

----

RAMA

2

4000

3FFF

I

) :

ROMB

I I

2000

L

____

J

RAMA

1

-

--

OFFF

EJ-

ROM

~

IPL

_

--

0000

---

"

\\

,\

\'

,\

"

---

--

\

,\

'\

2-1.

SOO

(INITIALIZE

STATE)

SOO

can

only

exist immediately

after

power

on,

and

the

system executes IPL under this

condition

and

that

the

system thus loaded will automatically assign

memory

area

for

SOl,

S02,

and

S03.

SUB

CPU

MSl=O(L)

MSO=O(L)

--

--,

\,

\\

\ \

\\

\ \

\,

\ \

\

L

____

,

I I

I ROM I

'(SPAPE)

I I

I

RAM

so

RAM

SC

RAM

SB

RAM

SA

5F

,

FF

5800

57PF

5000

4FFF

HM

4000

\

27

FF

RAI,I(CQM)

20

1

00

1

FFF

---

ROM

IPL

---

--

L-

__

....J

0000

-7-

-

MZ3500

Operattonal

description

(1)

Upon

reset

after

power

on,

the

main CPU loads

the

contents

of

the

initial

program

loader

(IPL)

into

RAM

starting

at

address

4000H,

during

which

time

reset

is

applied

to

the

sub·CPU.

TIMING OF RESET SIGNAL

Vee

SYSRES·l.j

.,

I

1-

I I

.....

-----/

SRES

I I I

I I +

~

I I I

I

of

POWER'SUB CPU

I START POWER

OFF

I

MAIN

CPU

START

Memory

Map

Data:

1.

ROM·B

is

tested

to

determine

if ROM's

are

present.

2.

The

ROM·IPL

functions

under

control

of

the

main

CPU

at

first,

but

later

it

functions

under

the

sub-CPU

after

the

IPL

program

has

been

loaded

in RAM.

3.

RAM·COM

is

shared

by

both

the

main

CPU

and

the

sub-

CPU.

INITIALIZE

FLOW

START

Lwd

...

800TSTRAP

""'-

~"A~ll

~TART

ll'

\4

....

JAf< I

T....wf.r

control

to

the BOOTSTRAP

Tf1II'\'Ifef'SUB-CPU

sv.-..rr

Pf"ograt'n

to

lh~

sus-CPU

}-

'11.)

........ ,

,I<"

-8-

(2)

The

main

CPU

then

terminates

resetting

the

sub

CPU

and

starts

the

sub·CPU.

At

the

same

time,

the

ROM

IPL

is

assigned

to

the

sub·CPU.

(3)

The

main

CPU

then

send

the

memory

allocation

(state)

to

SD1,

and

starts

to

load DOS

from

the

system

floppy

disk.

Signal

generated

from

the

CR

network

and

power

supply

Output

Signal

from

the

main

CPu

port

8.

Main

CPU

reset

time

b.

Main

CPU

IPL

load

tIme

4. Memories

other

than

described

above

cannot

be

accessed

under

the

SDO

state.

5. Bank

select,

MAD-MA3,

is

used

Within

the

address

range

of

COOOH-FFFFH.

EAROR

"iliA!

III

"NlI

....

1-/1(

,........ ,

\k

J

(

ROM-IPL

1.

An

8KB

ROM

(2764

or

mask

ROM

equivalent)

IS

used

for

the

ROM-IPL

2_

When

the

system

reset signal

turns

from

low

to

high

state

after

power

on,

the

main CPU

starts

to

operate

At

this stage,

the

ROM-IPl

is

addressed_

3_

The

CPU

starts

from

address

OOOO(ROM

address

10000)

4_

The

main CPU sets

the

sub-CPU reset signal

from

low

to

high

state

as

It

goes

out

of

its initial

state

via

the

memory

mapper

and

the

sub-CPU

starts

to

operate_

At

this pOint,

the

ROM-IPl

is

addressed

by

the

sub-CPU_

5_

Address

0000

of

the

sub-CPU

is

ROM

address

(0000)

The

memory

area

above

ROM address

(1000)

cannot

be

used by

the

sub-CPU because

the

main CPU initial

program

has

been

loaded

there_

2-2.

SOl

(SYSTEM LOADING & CP/M)

SOl

determines

which

operating

system

IS

in

use_

The

system

is

loaded

in

the

CP/M (Control

Program

for

Micro-

processors) mode_

NAIf>,

(I'll

FFFF

,-----,.

I

RJ\M'(l(»-I

fH~I---'-~

, \

\\

"

\ \

,\

"

-

MZ

3500

Main CPU logical

address

(during

IPL

operation)

ILogical

address

of

the

sub-CPU

O~H

0800

--

OHF

0000

N~I~O(

L)

10150= I

(HJ

\'

\\

\

,,

\ \

,,

-9-

,,

,\

\ \

\ ,

\ \

"

\

SUB

CPU

--

--,

RAM

so

RAM

se

RAM

'8

RAM

"

J<.A\f<

(OM)

kOM

Il'l

1

IFH

1800

171'1'

1000

01'1'1'

0800

071'1'

0000

5FFF

5800

S7Ff

m~

-4800

41

FF

..

000

27H·

2000

'T

(,000

ROM

physical

address

~

1FFF

4

~

171'1'

ROM 1PL

1000

8KB

OFFF

0800

071'1'

0000

!

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