Sharp MZ-3500 Manual de usuario

""'

'It

•

MZ-3500

SHARP

SERVICE

MANUAL

CODE:

OOZMZ

3500SM/E

PERSONAL

COMPUTER

MODEL

MZ-3500

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

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

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

2. Software (Memory) Configuration

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

CPU

and memory

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

4. CRT

display.

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

MFD

interface

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

6. R232C interface

......

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

7. Printer interface

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

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

..,

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

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

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

11. Self check

functions.

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

12. IPL flow chart

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

103

13. Circuit diagram & P.W.S

Parts list & Guide

SHARP

CORPORATION

\173500

SPECIFICATIONS

1-1_

Specification

the main unit (Model

35XX)

1) HIgh speed procesSing uSIng

multl-CPll

Built

minI

floppy

dIsk

Outl,ne

Built

In pronter Interface and RS232C

<eroal

Interface

4) ConnectIon

two

vIdeo d,spla\

,""ts

(separate graphIC dIsplay

overlaId dISplay possIble on

two

,nd,v,dual

color

monItor

unots)

5) PermIts the

use

standard

CP/M

Model

3530

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

minI

floppy

Model 3531 Includes a sIngle

double

sIde,

dIsk and

RAM,

double densIty

minI

floppy

dIsk and 128

Model

MZ3540

has

two

double-side,

densIty

mInI

floppy

dIsks and Model 3541

has

two

double

side, double

RAM.

densIty

minI

floppy

dIsks, and 128 KB

CPU

Itl-CPU processing

Z80A

mIcroprocessor x 2

IPL

Byte

ROM

C,G

Byte

ROM

For

main CPU

64K

BIt

DRAM

x 16 chIps

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

Bit

SRAM

x 2 chIps

LSI

Memory

mapper

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

characters x

hnes,

20,40

25,

Elements

8 x

16,8

x 8

DISPLAY

Attribute

Reverse,

blink,

hne (hOrizontal, vertIcal)

Colors

8 colors

each character and

background

color

IIF

2 channels (applicable

CRT

640

400,

640

200,

B/W

color)

One

double-side,

MZ353X

double

density

256

bytes/sector, 16 sectors/track,

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

protocol,

asynchronus mode,

110

9600

bps,

half-duplex

Other

Speaker

(500mW)

Battery

backup

clock

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

ntstruct,on

Manual

Accessoroes master

floppy

disk

power

cord

-)-

MZ3500

'-2.

MZ-1KOl (Keyboard)

specification

MZ1K02 U.S.

keyboard

(ASCII)

1K03: U.K.

keyboard

(ISO).

Outline MZ1K04 German

keyboard

MZ1K05:

French

keyboard

Keyboard

controller

8OC49

8749

LSI,IC

CMOS1C

4049

2,4514

Sculpture

key

Mechanical

contact

key,

with

life

10,000,000

operations.

Keys (98)

Alphanumeric

keys 61

Ten

key 1

Function

keys J 6 J Definable keys I

Mode

switch

Interfacing cables

For

data

transfer

with

the

CPU (serial)

and

power

supply

!transmission

under

15,000

baud)

Specification Use

coiled

cable

with

8-pin DIN plug

Repeat

function

Automatic

repeat

occurs

0.64

seconds

after

2 1

Two-key rollover

Other

continuous

depression

the

same

key_

Indicators

(4 LED's) POWER, Alphanumeric keys

Molded

Color

Office gray

Cabinet

Size

x H x

467

190

1 Weight 1

About

1_5kg (3_3 Ib)

Keyboard

layout

Refer

the

page

7IN

"CIRCUIT

DIAGRAM"

1-3. MZ-1U02

Expansion

unit

for

the

MZ-3500

series CPU, which

can

attached

the

rear side

the

main unit_ /

Outline

Optional

boards

are plugged in

the

expansion

box.

The

expansion

box

will

accomodate

four

option

boards.

Number

slots: 4 slots

Slot

connector.

60-pin

edge

connector

x 4

Specifications Area

the

slot

inserting

option

board:

140_5 x

140

Slot

for

option

and

slot

number

Slot

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

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.

includes

32KB

RAM.

Outline

inserted

through

the

slot

the

front

panel

the

PU.

The

MZ-1U02

expansion

box

not

required.

GDC

Graphic

controller

"PD7220

LSI Basic

(buit-in)

16KDRAM

(32KB)

VIDEO

RAM

Expansion

16KDRAM

(64KB)

(optional)

Specifications

32KB

96KB

(basic)

(maximum

e)(pansion)

Graphic

functions

640

200

640

200

dots

640

200

dots

(Col

must be green

monitor

Two

screens

Six

screens

specified

for

each

640

200

-------

640

200

dots

dot.

when the

color color

monitor

Two

screens

video

unit

in use)

640

400

640

400

dots

640

400

dots

green

monitor

One

screen

Three

screens

(

640

400

-----

640

400

dots

color

monitor

One screen

SDISP Screen designation

for

two

video

units.

BASIC

graphic

control

statements

ODISP

Designation

output

screen.

Software

CHANGE

DISP

Mode

designation

GCOLOR

Graphic

pattern

designation

CLS

Cleared

the

color

specified.

PSET

Dot

set

PRESET

Dot

reset

LINE

Line

creation

GTABLE

Table

creation

CIRCLE

Circle

creation

PAINT

Paint

over

GINPUT

Input

graphic

pattern

GDISP Display

graphic

pattern

GPRINT

Output

graphic

pattern

printer

GREAD

Read

coordinates

GENTER

Input

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

I I I I I I I I

1-6. MZ-1R06

Optional

board

for

memory

e)(pantion

the

MZ-3500

sries CPU.

with

thIS

option

the

main

memory

(RAM)

can

e)(panded

Outline

ma)(imum

256

KB.

This

option

plug

into

the

e)(pantion bo)(

slot 1

Basic I

64KDRAM

x 8

(64KBI

LSI I

64KDRAM

x 8

(128KB)

Specifications

E)(pansion

Memory

and user

Main

CPU

only

Use

MZ-1R06

Using

eight

64K

RAM's

area

the

MZ-1R06

Total

capacity

128

192

256

the

main

CPU

RAM

SYSTEM

•

BASIC

AREA

(RAM

USER

BASE)

AREA

128

208

, \ ,

" , \ \

" "

,.('\

',~.~Y

'~~~

~~~?

-4-

(

1-7_

MZ-1007

Outline

High resolution

3500

series

green

monItor

Video

tube

Display capacity

Specifications

DISplay

sIZe

nput

Signals

Power

supply

Cabmet

AdJusting

knobs

Accessories

Type

Non

glarp green ISize

Fluorescent

cOl

P39

(green, long

PERSISTANCE)

Total

number

01 I

2,000

characters

Display

capacity

dISplay

characters

(80

characters

Imes)

220

145

Method

Separate

mput,

TTL

level

-HOrizontal

2086kHz

Vertical

"}<;JW

power

consumption

Molded

Color

IOffice gray

Size

x H x Ll

!324x310x356

! Weight

3 Vertical

synchronization,

contrast,

brightness

CPU

connection

cable

and

power

cord

and

Tilt

stand

-!)-

MZ3500

12",

deflection

640

hOrizontal

dots,

400

vertlcallmes

478Hz

! 7_2 kg

3500

1-8. System configuration

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

MZ·1X02

Pronter

MZ·1P02

GRAM

Board

MZ-1R03

Cable

;--

MZ-1C16

t---

Color

,nkjet

'---

printer

MZ·1P04

,--

--,

r---I ronter I

..-

I CE-332P I

r--l

Cable 1

_____

MZ-1C03

r--

Printer

102824E

_____

Model-3531·

Cable

Option

MFO

MZ-1C07

MZ-1F02

Option

MFO

,..-----,

MZ-1F03

Cable I

OptIon

MFOI

'---

MZ-1COO

CE·331M

____

...J

RS-232C RS232C

I/F

-Cable

MZ-1EOl

MZ-1C05

I--

I/O

Cable

MZ-1E02

MZ-1C19

Expansion

'--

unit

MZ-1U02

SFO

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-

3500

SOFTWARE (MEMORY) CONFIGURATION

Memory will be

operated

under

four

states

SOO

S03,

depending on

the

hardware

and

software configurations.

the

paragraphs

follow, description will be

made

for

those

four

states.

MA3

MA2

MAl

MAO

MAIN

CPU

FFFF

jRAM<COM)

COOO

BFFF

8000

7FFF

RAMA

----

RAMA

4000

3FFF

) :

ROMB

I I

2000

____

RAMA

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)

--,

\ \

____

I I

I ROM I

'(SPAPE)

I I

RAM

5800

57PF

5000

4FFF

4000

RAI,I(CQM)

FFF

---

ROM

IPL

---

L-

....J

0000

-7-

MZ3500

Operattonal

description

(1)

Upon

reset

after

power

on,

the

main CPU loads

the

contents

the

initial

program

loader

(IPL)

into

RAM

starting

address

4000H,

during

which

time

reset

applied

the

sub·CPU.

TIMING OF RESET SIGNAL

Vee

SYSRES·l.j

I I

.....

-----/

SRES

I I I

I I +

I I I

POWER'SUB CPU

I START POWER

OFF

MAIN

CPU

START

Memory

Map

Data:

ROM·B

tested

determine

if ROM's

are

present.

The

ROM·IPL

functions

under

control

the

main

CPU

first,

but

later

functions

under

the

sub-CPU

after

the

IPL

program

has

been

loaded

in RAM.

RAM·COM

shared

both

the

main

CPU

and

the

sub-

CPU.

INITIALIZE

FLOW

START

Lwd

...

800TSTRAP

""'-

~"A~ll

~TART

ll'

....

JAf< I

T....wf.r

control

the BOOTSTRAP

Tf1II'\'Ifef'SUB-CPU

sv.-..rr

Pf"ograt'n

lh~

sus-CPU

'11.)

........ ,

,I<"

-8-

(2)

The

main

CPU

then

terminates

resetting

the

sub

CPU

and

starts

the

sub·CPU.

the

same

time,

the

ROM

IPL

assigned

the

sub·CPU.

(3)

The

main

CPU

then

send

the

memory

allocation

(state)

SD1,

and

starts

load DOS

from

the

system

floppy

disk.

Signal

generated

from

the

network

and

power

supply

Output

Signal

from

the

main

CPu

port

Main

CPU

reset

time

Main

CPU

IPL

load

tIme

4. Memories

other

than

described

above

cannot

accessed

under

the

SDO

state.

5. Bank

select,

MAD-MA3,

used

Within

the

address

range

COOOH-FFFFH.

EAROR

"iliA!

III

"NlI

....

1-/1(

,........ ,

(

ROM-IPL

8KB

ROM

(2764

mask

ROM

equivalent)

used

for

the

ROM-IPL

When

the

system

reset signal

turns

from

low

high

state

after

power

on,

the

main CPU

starts

operate

this stage,

the

ROM-IPl

addressed_

The

CPU

starts

from

address

OOOO(ROM

address

10000)

The

main CPU sets

the

sub-CPU reset signal

from

low

high

state

goes

out

its initial

state

via

the

memory

mapper

and

the

sub-CPU

starts

operate_

this pOint,

the

ROM-IPl

addressed

the

sub-CPU_

Address

0000

the

sub-CPU

ROM

address

(0000)

The

memory

area

above

ROM address

(1000)

cannot

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

use_

The

system

loaded

the

CP/M (Control

Program

for

Micro-

processors) mode_

NAIf>,

(I'll

FFFF

,-----,.

RJ\M'(l(»-I

fH~I---'-~

, \

\ \

3500

Main CPU logical

address

(during

IPL

operation)

ILogical

address

the

sub-CPU

O~H

0800

OHF

0000

N~I~O(

10150= I

(HJ

\ \

-9-

\ \

\ ,

\ \

SUB

CPU

--,

RAM

J<.A\f<

(OM)

kOM

Il'l

IFH

1800

171'1'

1000

01'1'1'

0800

071'1'

0000

5FFF

5800

S7Ff

-4800

000

27H·

2000

(,000

ROM

physical

address

1FFF

171'1'

ROM 1PL

1000

8KB

OFFF

0800

071'1'

0000

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