Sharp MZ-350C Manuale utente

MZ-3500

SERVICEMANUAL

CODE:

OOZMZ

3500SM/E

PERSONALCOMPUTER

MODEL

MZ-350C

CONTENTS

Specifications

Software(Memory)

Configuration

3.CPUand

memory

4.CRT

display

5.MFD

Interface

R232CInterface

PrinterInterface

OtherInterface

Power

Circuit

discription

10.

KeyboardControllerCircuit

discription

11.

Seif

checkfunctions

12.IPL

flow

chart

103

13.

Circuit

diagram

P.W.B

Parts

list

Guide

SHARP

CORPORATION

3500

1.SPECIFICATIONS

1-1.

Specification

ofthe

main

unit

(Model35XX)

Outline

High

speed

processing

usingmulti-CPU

Built-in

mini

floppy

disk

Built-in

printer

interface

and

RS232Cserialinterface

Connection

ofuptotwo

Videodisplav

>nits

(separate

graphicdisplay

overlaid

display

possible

ontwo

individualcolor

monitor

units)

Permits

theuseof

StandardCP/M

Model3530

incluse

singledouble-side,doubledensity

mini

floppy

disk

and64KB

RAM.

Model

MZ3540

hastwo

double-side,density

mini

floppy

disks

and

64KB

RAM.

LSI

DISPLAY

MFD

Other

I/F

Other

functions

Software

Accessories

CPU

MEMORY

I/O

MZ353X

MZ354X

Light

pen

Keyboard

Printer

RS232C

Multi-CPUprocessing

ROM

RAM

Custom

LSI

GDC

FDC

RIO

SIO

TIMER

CLOCK

Screen

structure

Elements

Attribute

Colors

I/F

One

double-side.

double

density

floppy

disk

Two

double-side,

double

density

floppy

disks

IPL

C,G

For

main

CPU

For

sub-CPU

Shared

RAM

VIDEO

RAM

Memorymapper

Screen

Controller

CRT

Controller

Floppy

diskController

Parallel

I/O

port

Serial

I/O

port

Counter

Clock

Model3531includes

single

double-side,

doubledensity

mini

floppy

disk

and128KB.

Model3541

hastwo

double-side,double

density

mini

floppy

disks,

and128KB.

Z80Amicroprocessor

x 2

Byte

ROM

Byte

ROM

64KBit

DRAM

x 16

Chips

or8

Chips

16KBit

SRAM

x 4

Chips

16KBit

SRAM

x 1

Chip

16KBit

SRAM

x 1

chip

4KBit

SRAM

x 2

Chips

SP6102R001

CSP-1

SP6102C002

CSP-2

SP6102C003

MPD7220

pPD765

8255

8251

8253

/JPD1990AC

characters

x 25

lines.

80x 20,40x 25.or40x 20

16,8x8

Reverse,

blink,

line

(horizontal,

Vertical)

colors

eachCharacter

and

backgroundcolor

channels(applicableCRT:

640x

400,

640x

200,

B/Wor

color).

256

bytes/sector,

sectors/track,

tracks/disk

Built-in

interface

for

optional

MFD.

Oedicatedkeyboard

Centronicsinterface

protocol.

asynchronus

mode,

110to

9600

bps,half-duplex

Speaker

(500mW)Battery

backup

Clock

HALT

Speaker

volumecontrol

FDOS

CP/M

BASIC

Utilities

Basic

CP/M

ExpandedCP/M

High

class

compatible

with

PC3200BASIC,supplemented

and

graphic

control

commands

Expanded

RS232C,

GPIB,

and

GPIO

BACKUP,

INIT,

COPY,DEBUG.

KILLALL

Intstruction

Manual

master

floppy

disk

power

cord

3500

1-2.

MZ-1K01

(Keyboard)

specification

Outline

Specification

MZ1K02:U.S.keyboard(ASCII)

MZ1K03:

U.K.keyboard(ISO).

MZ1K04:Germankeyboard

MZ1K05:

Frenchkeyboard

LSI,

Keys

(98)

Interfacing

cables

Other

Cabinet

KeyboardController

CMOSIC

Sculpture

key

Alphanumeric

keys

Modeswitch

80C49

8749

4049x2,4514

Mechanicalcontactkey,

with

life

10,000,000

operations.

Tenkey

Function

keys

Definablekeys

For

datatransfer

with

theCPU

(serial)

and

power

supply

(transmission

under

15,000

baud)

Use

coiled

cable

with

8-pin

DIN

plug

Repeat

function

Indicators

LED's)

Molded

Size

(Wx H

Automatic

repeat

occurs

0.64secondsafter

....

, 2

Two-keyrollover

contmuousdepression

ofthe

same

key.

POWER,

Alphanumeric

keys

Color

xL)

Office

gray

467x 35x 190

Weight

About

.5kg

(3.3

Ib)

Keyboard

layout

Refer

tothe

page

7 IN

"CIRCUIT

DIAGRAM"

1-3.

MZ-1U02

Outline

Specifications

Expansion

unit

forthe

MZ-3500

series

CPU,

which

canbe

attached

tothe

rearside

ofthe

main

unit.

Optional

boards

are

plugged

intothe

expansion

box.

The

expansion

box

will

accomodate

upto

four

Option

boards.

Number

slots:

slots

Slot

connector:

60-pin

edge

connector

x 4

Area

ofthe

slotinserting

option

board:

140.5

x 140

Slot

for

Option

and

slot

number

MZ-1R06

(expansionRAM)

SFDI/F

ExpansionRS232C

GPIO

GPIB

(IEEE

I/F)

Slot

Slot2

Slot

-2-

MZ3500

Expansion

unit

Screw

(2)

Screw

(1)

1-4.MZ-IR03

Outline

Specifications

Optionalboard

used

graphicdisplay

functions

with

the

Model-3500

series

CPU.

includes32KB

RAM.

Itis

inserted

through

the

slot

onthe

front

panel

ofthePU.

The

MZ-1U02expansion

boxisnot

required.

LSI

Graphic

functions

(Color

must

specified

for

each

dot.when

the

color

video

unit

isin

use)

Software

GDC

Graphic

Controller

Basic

(buit-in)

vinrn

RAM

Expansion

(optional)

-~-___WDEO

RAM

640x 200

green

monitor

640x 200

color

monitor

640

x 400

green

monitor

640x 400

color

monitor

BASIC

graphic

control

Statements

MPD7220

16KDRAM

x 16

(32KB)

16KDRAM

x 32

(64KB)

32KB

(basic)

640x 200

dots

Two

screens

______

—

- ~

640x 400

dots

One

screen

___—

SDISP

ODISP

CHANCEDISP

GCOLOR

CLS

PSET

PRESET

LINE

GTABLE

CIRCLE

PAINT

GINPUT

GDISP

GPRINT

GREAD

GENTER

GCURSOR

GSCROL

SYMBOL

SCALE

96KB

(maximumexpansion)

640x 200

dots

Six

screens

640x 200

dots

Two

screens

640x 400

dots

Three

screens

640x 400

dots

One

screen

Screen

designation

fortwo

videounits.

Oesignation

Output

screen.

Modedesignation

Graphic

pattern

designation

Cleared

bythe

colorspecified.

Dotset

Oot

reset

Line

creation

Tablecreation

Circlecreation

Paintover

Input

graphicpattern

Display

graphicpattern

Output

graphicpattern

printer

Read

coordinates

Input

pattern

within

the

specified

area

Graphic

Cursor

Positiondesignation

Graphic

screen

scrolling

Graphic

symboldisplaying

Seren

scle-down

designation

(

-3-

3500

1-6.

MZ-1R06

Outline

Specifications

Optionalboard

for

memoryexpantion

ofthe

MZ-3500

sries

CPU.withthis

Option

the

mainmemory(RAM)

canbe

expanded

uptoa

maximum

of256KB.

This

Optionplug

into

the

expantion

boxin

slot

1or3.

LSI

Memory

and

user

area

Basic

Expansion

64KDRAM

x 8

(64KB)

64KDRAM

(128KB)

Total

capacity

the

main

CPURAM

BASIC

(RAM

BASE)

SYSTEM

AREA

USER

AREA

Main

CPU

only

128KB

•57KB

80KB

Useof

MZ-1R06

192KB

128KB

Using

eight

64K

RAM's

theMZ-1R06

256KB

208KB

MZ3500

1-7.

MZ-1D07

Outline

Specifications

High

resolution

MZ-3500

series

12"

green

monitor

Videotube

Displaycapacity

Display

size

Input

Signals

Powersupply

Cabinet

Adjusting

knobs

Accessories

Type

Non-glaregreenSize12".

90°

deflection

Fluorescent

color

P39

(green,

long

PERSISTANCE)

Total

number

displaycharacters

2,000

characters

(80

characters

x 25

lines)

Display

capacity

640

horizontal

dots,

400

Verticallines

220x 145

Method

Horizontal

Separate

input,

TTL

level

20.86kHz

Vertical

47.8

29W

power

consumption

Molded

Color

Size

(Wx H x L)

Officegray

324x310x356

Weight

7.2kg

Vertical

synchronization,

contrast,

brightness

CPU

connection

cable

and

power

cord

andTut

stand

MZ3500

1-8.

System

configuration

Model3500

Keyboard

M2-1K02

MZ-1K03

MZ-1K04

MZ-1K05

Printer

I02824E

OptionMFDl

CE-331M

*Model-3541

Model-3531

MZ-1F03

-6-

3500

SOFTWARE(MEMORY)CONFIGURATION

Memory

will

operatedunder

four

states

SDO

SD3,

depending

onthe

hardware

and

Software

configurations.

Inthe

paragraphs

follow,

description

will

made

for

those

four

states.

2-1.

SDOUNITIALIZESTATE)

SDO

can

only

exist

immediatelyafterpower

on,andthe

System

executes

IPL

underthis

condition

and

that

the

system

thusloaded

will

automatically

assign

memory

area

for

SD1,

SD2,

and

SD3.

MAIN

CPU

SUB

CPU

MAS

MA2

MAI

MAO

171?

r r r

cooo

BFFF

]

8000

FFF

4000

3FFF

RAMA

ROMB

]

—

FFFF

|RAM(COM)f

:nAn

1 i

tiOO

RAMA

MSI

=0(L)

MSO

= 0 (L)

2000

OFFF

0000

ROM

(SPÄHE)

ROM

IPL

ROM

IPL

4000

27 FF

FFF

0000

3500

Operational

description

(1)

Upon

reset

after

power

on,the

main

CPU

loads

the

contents

ofthe

initial

programloader(IPL)

into

RAM

starting

address

4000H,

during

which

time

reset

applied

tothe

sub-CPU.

TIMING

RESET

SIGNAL

Vcc-

SYSRES-

SRES-

•*

pnwFRISUB

CPU

P°*E*<

START

POWER

OFF

(2)The

main

CPU

then

terminates

resetting

the

sub-CPU

and

Starts

the

sub-CPU.

Atthe

same

time,

the

ROM-

IPLis

assigned

tothe

sub-CPU.

(3)The

main

CPU

thensend

the

memoryallocation

(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

START

Main

CPU

reset

time

Main

CPUIPL

load

time

Memory

Map

Data:

ROM-B

tested

determine

ROM's

are

present.

2.The

ROM-IPL

functions

under

control

ofthe

main

CPU

first,

but

later

functions

under

the

sub-CPU

after

theIPL

program

has

been

loaded

RAM.

RAM-COM

shared

both

the

main

CPUandthe

sub-

CPU.

INITIALIZE

FLOW

Memories

other

than

describedabove

cannot

accessed

under

theSDO

state.

Bankselect,

MAO~MA3,

used

within

the

address

ränge

ofCOOOH-FFFFH.

ROMIPL

1.An8KBROM

(2764

mask

ROM

equivalent)

used

forthe

ROM-IPL.

When

the

system

reset

signalturns

from

Iowto

high

state

after

power

on,the

main

CPU

Starts

operate.

thisstage,

the

ROM-IPL

addressed.

3.TheCPU

Starts

from

address

0000(ROM

address

10000).

4.The

main

CPU

sets

the

sub-CPU

reset

signal

from

Iowto

high

state

äs

itgoes

outofits

initial

state

viathe

memory

mapper

andthe

sub-CPU

Starts

operate.

this

point,

the

ROM-IPL

addressed

bythe

sub-CPU.

Address

0000

ofthe

sub-CPU

isROM

address

(0000).

The

memory

areaabove

ROM

address

(1000)

cannot

used

bythe

sub-CPUbecause

the

main

CPU

initial

program

has

beenloaded

there.

2-2.

SD1

(SYSTEM

CP/M)

SD1

determines

which

operating

system

isin

use.

The

system

loaded

inthe

CP/M

(Control

Program

for

Micro-

processors)

mode.

MZ3500

Main

CPU

logical

address

(during

IPL

Operation)

Logical

address

ofthe

sub-CPU

ROM

physical

address

OFFF

0800

0000

FFF

800

000

OFFF

0800

07FF

0000

FFF

800

17FF

000

OFFF

0800

07FF

0000

ROMIPL

MS1=0(L)

WSO=1(H)

SUB

CPU

rr r r

(

;'if i ( i

RAM

(KM

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