Sharp MZ-1TOl, MZ-1POl, MZ-1T01, MZ-1P01 Service Manual

MZ-700

SERVICE MANUAL

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

..

SHARP

INDEX

CODE: OOZMZ700SMI/E

PERSONAL COMPUTER

MODEL

MZ-700
MZ-1TOl
MZ-1POl

(FOR THE MZ-lPOI MECHANICAL SECTION

REFER

TO

THE DPG2306 SERVICE MANUAL)

1.

SPECIFICATIONS.

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

..

. . . . .

..

. . . . .

..

. .

..

. .

..

1

2.

NAMES OF

FUNCTIONAL

COMPONENTS. . . . . . . . . . . . . . . . . . .

..

2

3.

SYSTEM BLOCK

DIAGRAM

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

_

..

3

4.

SYSTEM

DESCRIPTION.

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

•.

. . . . .

..

4

5.

DATA

RECORDER

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

....

15

6.

COLOUR ENCODER

.......

.

........

. .........

.

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

19

7.

MICRO COLOUR GRAPHIC PRINTER

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

20

8.

POWER

SUPPLy

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

.

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

•

........

24

9.

IC

SIGNAL

POSITION

.......................•...........

. . 27

10.

CIRCUIT

DIAGRAM

& PARTS

LAyOUT

...•.

..

...

..

....

..

....

29

11.

PARTS GUIDE & LIST

SHARP

CORPORATION

~\~Z~

700

1.

SPECIFICATION

1-1.

MZ-700
CPU
Oock(ct»
Memory

Video

output

Screen structure

Color

designation

Music function

Timepiece
function

Keyboard

Editing functions

Power
requirements
Temperature

Humidity

Weight

Physical

dimensions

Sharp LH0080A (Z-80A)

3.5MHz
4KB

ROM (monitor)

4KB

ROM (character generator)
64KB RAM (program area)
4KB RAM

(VIDEO)
System: PAL
Type: RGB composite video (con-

vertible

to

B/W)

RCB

+ Syncronization

(non
composite)
RF

(UHF

36

± 3ch, conver-

tible

to

B/W)

40

character x 25 lines

(1000

chara­cters)
8

x 8

dot

matrix

(per

character)

Character: 8 colours

(per

character)
Background: 8 colours (per character)
Internally provided (audio

output,

55OmVmax.)

Internally provided

(24

hours clock,
without data retention)
ASCII compatible

69

keys
Defmable keys, cursor control keys, etc.
Screen editor (cursor control, home,
clear, insert, delete)

220/240V ± 10V, SO/60Hz

Operating temperature: 0

to

35°C

Storage temperature:

-20

to

70°C

Operating humidity: 85%RH or

below

3.6Kg

(body

only)

440

(W) x 305 (D) x

86

(H)

1-2.

CPU board specification

CPU

LH0080A (Z80A) . . . . . . . .

..

I

PlO 8255

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

I

CTC 8253

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

I

Memory controller M60719

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

I

(CRTC)

ROM

RAM

I/O bus

4KB

monitor

ROM . . . . . . . . .

..

I

4KB character generator

ROM

...

I

64K bits DRAM . . . . . . . . . . .

..

8

2KB

SRAM

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

2

Expansion

I/O bus

...........

I

Printer I/O bus . . . . . . . . . . . .

..

2

(Only one can be used, selectable

by
switching)
External cassette read/write terminals

1-3. Micro-colour graphics printer specification (option)

Printing method Ball point pen recording, four colours

rotary selection type.

Kind

of

colours I = black, 2 = blue, 3 = green, 4= red

Printing speed

10

characters/sec, average (Printing the

smallest characters.)

Printing capacity

80

digits,

40

digits, 26 digits, soft-

ware designated

Character set 115 characters

(ASCII characters and

others)

Resolution

0.2mm

1-4. Cassette recorder specification (option)

Type

IEC compatible cassette mechanism
Record/playback
method

Dual tracks, single channel, monopho-

nic
Rated speed 4.8cm/±3.5%
Operation control
method Piano key

method

Control

buttons

PLAY,

FF,

REW, STOP/EJECT, REC,

COUNTER RESET

Data transfer .
system
Baud rate
Tape

used

Sharp,

PWM

method

1200bps (nominal)

Philips standard tape,

(not

C120)

1-5.

Power supply specification
(Including colour graphics printer and cassette tape
power source)

Input:

220/24OV ± 10V, 60/50Hz, 20W

Output:

5V

2.

NAME

OF

FUNCTIONAL

COMPONENT

MZ-700 Front view

Main

kev

board

-----'

MZ-700

Aeer

view

Channel switch

RF

terminal

BrN-Colour

switch

Composi!

terminal

Dat8 recorder

!c3S$IIttll)

AGe

terminal

CantUI!

re<:order

jKk

EKt.

output

terminal

Joy

nick

ulfminal

1

plOHtr

printer

Ext.

printer

terminal

MZ-700

plolter

prioter

recorder (cassette)

INS.

DEL

key

":::d'---,----CUrSOI

control

keV$

.

socket

Reset switch

Volume

Adiust

F,.me

ground

termmal

~"q-700

3. SYSTEM BLOCK DIAGRAM

(

CRT

F.G

A.C.

sw

100V

I~

-""

t t

~PO~UP'

!II

0-

5V

MEMORY CONTRa.

Fi

p

w

R.G.B. I I

PLY CIRCUIT

llER

(CRTC)

VIDEO

RAM

a::

Cl

-..,

I I

,.--

:Ja::

00

RF I I

~

~~

...JU

oz

-uw

_J

I

eJ

Reset

RESET 1

~

~

I

CHAR

a::

VIDEO

CIRCUITJ

I GEN

....

...J

sw

c(

MAIN

~

MEMORY
64KB
DRAM

MONITOR

ROM

Z80A

i-

III

IT

CPU

A

,......

\ ADDRESS

BUS

\

I

n

I

n=

-y

en

:J

A

"

III

~dJA

\

Q.

I

-

"

ft

H

rn.

t\.0

-

t

"

a:

..

X

(ONTROl

BUS

I--

.

w

...-

>

I--

...

~I

?8m

ER!-

f--

I--

I--

'--

r

f--

~

t

!.

8253 (CTC)

r-

8255 (PlO)

EMPO

CO

C1

C2

CONTROLLER

t,;J~

"

>

0(

CASSET·

Audio

TEMPO. +

f..--

KEY I

TECONT·

11

JOY STICK 1

amp.

CURSOR

OSC.

BOARD

ROLLER

CIRCUIT

I

~

I--

t

PRINTER
CONTROL
LER

~

r "\

PRINTER BUS

J

CASSETTE

JOY STICK

TERMINAL

TERMINAL

~

U U I

CASSETTE

3

4.

SYSTEM

DESCRIPTION

4-1.

Memory map

a) At power

on

$0000

$1000
$1200

$0000

$0800

$EOoo

$FOoo

MONITOR

(ROM)

MONITOR WORK

SYSTEM

and

TEXT

AREA

(DRAM)

V·RAM<CHARACTER>

(SRAMI

V·RAM<COLORDATA>

(SRAMI

KEY

and

TIMER

PORT

FLOPPY CONTROLLER

Enable

$0000

$1000

$0000

SYSTEM

(DRAM)

and

TEXT

AREA

SYSTEM

and

TEXT

AREA

(DRAM)

Disable

• Shown above

is

the memory map at the time

of

power

on.

VRAM

contents from$DOOO to $DFFF differ from

the

MZ·80K.

• The monitor (ROM) has the same entry point

as

that

of

the MZ·80K.

b) Bootstrap (loading

of

system program)

$0000 $0000

MONITOR

Ir--

(ROfv\)

1'-

SYSTEM

$1000

LOAD

SYSTEM

$7EOD

Boot PROGRAM

~

'11

$0000

$0000

V·RAM

V·RAM

$EOoo

KEY and

TIMER

PORT

SYSTEM

Eneble

Disable

• With the input

of

the LOAD command

of

the monitor,

the

BASIC

loading program

is

transferred

to

the system

area composed

of

the

RAM

and starts

to

bootstrap.

(Only the cassette tape

is

subject

to

bootstrapping in

this case).

4

• Boot command: L

• With the entry

of

the boot command

L,

only the tape

loading program

is

transferred

to

the system area and the

system program

is

loaded

to

the system area designated
in the DRAM.
NOTE: The boot program shown in the figure

is

the

program loaded from the tape and

is

not the

program from the monitor

(ROM).

c) System initiation

$0000

$1000

MONITOR

(ROM)

.$0000

,-------,

V·RAM

V·RAM

$Eooo I--KE-Y-ond-TI-M-ER-P-OR-T-l

:$Fooo

1--------1

Disable

$0000

,-----,

SYSTEM

$1000 ----------------------

$0000

---------------------------

Enable

• The above memory map is valid upon completion

of

system program loading.

• The system program

is

programmed

to

switch the

memory depending upon what

is

accessed,

VRAM,

keyboard, or timer.

d) At

the

time

of

manual reset

$0000

$1000

MONITOR

(ROM)

$0000 I SYSTEM

$1000

~-----~

SYSTEM

$0000

$0000

,-------,

V·RAM

V-RAM

$EOoo

KEY

and

TIMER

PORT

SYSTEM

$FOoo

Enable

Disable

~1Z

-7CO

At the time

of

manual reset (with I

CTRL

I in depression)

$0000

$0000

SYSTEM

~

MONITOR

-

(ROM)

$1000

$1000

SYSTEM

$0000

$0000

V-RAM
V-RAM

$EOoo

KEY

and

TIMER

PORT

SYSTEM

$FOOO

~

MEMORY CHANGE

'--

Disable

Enable

•

When

the I C T R L I key

is

in depression, address $0000

through $OFFF and

$DOOO

through $FFFF become

the

RAM

area.

• With input

of

the command ":If' when the monitor

(ROM)

is

active, it

is

switched

to

the

RAM.

e) Floppy bootstrap

$0000

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

MONITOR

(ROM)

$1000

f----------I

SYSTEM

iI-

Iv

$DOOO~----~

V-RAM

V-RAM

$EOoo

i-

K-E

-

y

-an-d T-IM-E-R-PO-R-l

-I

$FOoo

f----------I

FLOPPYCONTRO~L-

Enable

$0000 I

SYSTEM

$1000

~----~

LOAD

$0000

,------,

SYSTEM

Disable

• Because the floppy control area

is

mapped to

$FOOO

for

compatibility with the

MZ-80K series, boot begins

from the adress

$FOOO.

•

Map

configuration after boot will

be

considered sepa-

rately.

4-2. Memory controller

(CRT

C)

Both the momory controller and the CRT controller
are

contained in a

single

chip custom

LSI

(M60719), it

has the following functions:

5

a.

8 x 8 dot characters are displayed on the CRT screen

of

40

characters (horizontal) x 25 lines (vertical). Displayed

character font

is

dependent on the

4KB

character

generator (ROM).

b.

Manages

the monitor

ROM,

DRAM, video

RAM,

and

peripherals (keyboard, timer,

ETC.) mapped to the

memory.

c.

Generates clock to the Z-80A microprocessor.

d.

Selects the printer I/O port.

1)

CRT controller

There are major variations

of

colour television systems

as

described below.

1.

NTSC

system (Japan, U.S.A., etc.)

2.

PAL system (U.K., Germany, etc.)

3.

SECAM

system (French, etc.)

Because

of

the different specification requirements above,

the

MZ-

700 may not be suitable for overseas operation.

PAL signal specification

Signal name

Signal frequency

NTPL

"L"

LPHI 17.734475

MHz

CLKN

8.8672375

MHz

COLR

4.43361875

MHz

WAD

1.108404688

MHz

PHIO 3.546875

MHz

HBLN

15.6113

kHz

VBLN 50.0363

Hz

CRT

controller

system

block

diagram

H

NTPL

CPU

WA

CPU

Blanking period

COLR

HSY

SYN

VBLK
HBLK

CLK

LOAD

TV

Oata written in

the

VAAM

from

the

CPU

is

input

to

01-08

via

the

bidirectional

buffer

5245.

To display characters on the CRT screen, the

CPU

writes

the character data ( display code) to the

2KB

VRAM-l

along with the control signal

WR

and the color data

of

that character

to

the

2KB

VRAM-

2.

In other words,

as

the address

($DOOO

,..,

$D7FF)

is

output. The character

data

is

supplied to the VRAM-l input (01-08)

via

the bidirectional buffer LS245, and the data will then

be written when

WE

is

low. The color data

is

also sent to

01-08

of

the

VRAM-2

to be written when

WE

is

low.

To read the contents

of a VRAM

character, the

CPU

sends

out

the relevant address. When

RD

is forced low, the

data

is

then read

via

the bidirectional buffer LS245.

However, the address range

$0000

through $DFFF must

be addressed in order to access

all

the

VRAM.

This address

change

is

carried

out

inside the custom

LSI

with the OUT

command described later.

Accessing

of

the

VRAM

is carried

out

within the blinking

period (BLNK

= "H").

If

BLNK =

"L",

then

WAIT

is

applied to the

CPU

(WA

= "L").

The blanking period discussed here

is

the period that

BLNK

is

in high level.

High

period

of

the BLNK signal

is

so

designed that it

is

shorter than the low period

of

HBLK (horizontal blanking

period).

HBLK

versus

BLNK

HBLK~

,

BLNK--,L.

____________

~--~I

!

~

I:

L"I----

, 1

I'

-:

l--

2.165081-1S

Display period
The data written in the

VRAM

is

sent

to

the

CG

ROM,

character

by

character based on the display address counter

located inside the custom LSI, to become the

CG

address

data (VRAM-l data). Also, the data

of

VRAM-2

is

sent

to the LS174, at this point. The

CG

receives the VRAM-l

data and low order address bits (Q-Q3).

It

is

then sent to
the shift register LS165 after being converted into the
8-bit parallel character row data. The shift register converts

this signal into serial data and it

is

added to the color
matrix circuit along with the data from the LS174 to
become the R.G.B.

CVIDEO signal.

Po

- PlO: These are

VRAM

addresses

that

represent the

character position

on

the CRT screen.

Ql

- Q3: These represent the rows

of

the 8 x 8 dot

character. Row number

is

increased with

HBLK,

and it repeats 0 through 7

as

shown
below. These signals are also generated inside
the custom

LS!.

as

a2 a

1

1st row

0 0

0

2nd

row

0 0

1

3rd row

0

0

4th

row

0

1

1

5th

row

1

0 0

6th

row

1

0 1

7th

row

1

1

0

8th

row

1 1

1

6

LOAD:

CLK:

The signal that determines the function (shift
out

or data set)

of

the shift register LS165.

High state

of

this

signal

acts

as

shift and low

state

of

this signal acts

as

data set.
Shift register clock. Data shifts at the rising
edge

of

CLK

when the

LOAD

signal

is

high.

•

HBLK

versus

HSY

!------Jr---

I 1

36.0881-1S

1 1 '

1-1

-----:...----;I-!'j

9.02201-1S

I I '

1

64.05603/015

1

I·

I

I

1J

W.

-l

:--

4.567375j.1S

• VBLK versus

SYN

VBLK

____

~

~

__

~r---

: 12.8112ms

:;

I

r-I--------·~I

r--2;8825mms

1

~_~1~9=.98==5m~s~

__

~_~.:.

u

, 1

1 1

--,

r--

0.19216ms

Custom

LSI

internal CRT controUer block diagram and

description

• Ql -

Q3

are created by dividing

HBLK

by half.

• Internal signal

CSDD

is

used to make the choice

of

VRAM

addressing, which

is

carried out by address

muitiplexing through the internal display address, or

comes direct from the

CPU.

A through K are the display

addresses.

• The

LPHI

signal (l7.7MHz)

is

divided and ANDed to

derive the horizontal synchronization signal

(NTSC

or PAL)

to

make the choise

of

either

NTSC

or PAL

horizontal synchronization signal, output by means

ofNTPL.

\

,'1Z

-700

2) Memory controller
In the

MZ·

700, it needs

to

segregate the memory in order
to acheive the above mentioned memory mapping. The
memory controller

is

therefore used

to

perform address

management

of

peripherals assigned

to

the memory such

as

DRAM, monitor

ROM,

video

RAM,

and keyboard. The

bank select method

is

used to switch memory. Memory

selection

is

acheived using the OUT command.

I/O

$0000

$DOOOO

~

l

INHl INH2 INH3

port

$OFFF

$FFFF

$EO

D·RAM

-

L

-

-

$El

-

D-RAM

-

L -

$E2

MONITOR

H

ROM

-

-

-

$E3

-

V·RAM,8255

-

H

-

8253

$E4

MONITOR

V·RAM,8255

H H H

ROM

8253

$E5

-

Prohibited

- -

L

Returns

to

the

$E6

-

state before

-

-

H

prohibitied.

INHl

-

INH3

are custom

LSI

internal signals which cause

the memory map to change.

INH1
INH2
INH3

INH1
INH2
INH3

H L H H
H H L H
H H H L

I--D-_R:_:_M---I

1--:-.:-:-:---1

I---D-_:_OA_MM----j

I

:::

I

V·RAM V·RAM

D-RAM

L

L

H

D·RAM

D-RAM

D·RAM

H

L
L

ROM

D-RAM

L

H

L

D-RAM

D-RAM

L

L

L

D-RAM

D·RAM

NOTE: The command with which the memory selection

is

to

be

done should not

be

written in the memory

block to be selected.

7

• Custom LSI internal memory controller block diagram
and description

When the above mentioned

OUT command

is

executed,

address

Ao

,..,

A2

is stored in

"FF"

to

create INHl

,..,

INH3,

then

ROM,

VRAM, and

DRAM

may be accessed

against

CPU addressing

on

the basis

of

those INH signals.

•

RA~

becomes active when the DRAM

is

accessed.

•

CSO

becomes active when the monitor

ROM

is accessed.

•

CSE

becomes active when the memory mapped I/O

(8255,8253)

is accessed.

• CSDN (internal signal) becomes active when the VRAM
is

accessed.

If

in the blnk period, CSDD becomes active.

So

that, the address from the CPU

is

sent

of

Po

,..,

PlO.

•

If

the display period is

on

when accessing the

ROM

or

VRAM, W ATN becomes active.

•

line

address and row address switching signal (LS157

input) when accessing the

RAM

is derived from PHI,

WRN,

MRQN, and RDN.

As

WR

rises before the falling

edge

of

CAS

during the write cycle,

it

becomes an early

cycle.

IV?

7ce

4-4. Memory controller (CRTC) circuit description
The memory controller and

the

CRTC are contained in

the

single chip custom LSI (M60719).

Memory controller signal description

&

Pin No.

Signal name IN/OUT

Function

Circuit diagram
signal name

1

AO

CPU address Bus

AO

l

l

IN

l

16

A15

A15

17

LPH1

IN

Clock (17.7MHz)

<I>

18

PHI

IN CPU clock (3.55MHz)

cp

19

CSEN

OUT

8255, 8253, joystick enable

CSE

10 CL

IN GND

CL

21

GATE

IN GND

GATE

22

CSON OUT

Monitor ROM enable

CSO

23

VCC

-

Power supply

5V

24

RASN

OUT

D-RAM row address select

RAS

25

RFSN IN

CPU refresh

RFSH

26

PHIO

OUT

CPU

clock create signal (3.55MHz)

cpo

27

MRQN

IN

CPU memory request MREQ

28

10RN

IN CPU I/O request IORQ

29

RDN IN

CPU read

RD

20

WRN IN

CPU write

WR

31

RSTN

IN Reset

RESET

32

SEL

IN DRAM row/column address switching signal

SEL

33

VBLN

OUT

Vertical blanking signal (CRT)

VBLK

34

HBLN

OUT Horizontal blanking signal (CRT)

HBLK

35 WATN

OUT

CPU

wait

WA

36

COLR

OUT

Colour

sub-carrier wave (4,4361 875MHz: PAL)

COLR

37

PRCN OUT Printer I/O address select

PRC

38

Q1

Display: Address data

output

(Line

Count

Signals)

Ql

l

l

OUT (Display address

is

indicated

to

the

CG ROM together

l

40

Q3

with

PO

- PlO).

Q3

41

NTPL IN NTSC/PAL system switching (PAL=L)

N/P

42

BLNK

OUT Timer clock

BLNK

43

HSYN OUT

Horizontal synchronizing signal

HSY

44

ABC

OUT

ABC

45

LOAD

OUT

Character,

display start signal

LOAD

46

PO

Display address signal

PO

l

~

OUT

l

52

P6

P6

53

GND

-

GND

54

P7 Display address signal

P7

l

l

OUT l

57

PlO

PlO

58

S157 OUT V-RAM display/CPU address switching signal

S157

59

SYNN OUT Vertical synchronizing signal

SYN

60

CLKN

OUT Character

display shift register clock

CLK

8

CUSTOM

LSI

< YTl >

1.

BLOCK

DIAGRAM

CRT

Control

LPHI

0

J

I

l-{

NTPL

AO
A1

A2

A3

A4
A5

A6

A7

A8

A9

A10

0

0

('

-

9

0
0

0
0
0
0

0

Eh

H

COLR

1/2

1/2

1/4

"

/

/

/

/

/

/

/

I

J

I--

IMT

I

I.....-

AND

LOO

SCREEN
POSITION (1)

ABC

r--

SCREEN
POSITION (2)

"

I'

5

~

V.

BLNK

CIRCUIT

~

•

L---

\

11

,

0123

-

~

r--

H. SYNC. (NTSC)

r--

H. SYNC. (PAL)

f----

-

...,

A-C

3

\.

,

8

D-K

\

,

~

V. SYNC.

CIRCUIT

I

1

1/2

AND

It

I

1/2

-

Y

1/2

9

NTSC
PAL
SELECT

BLNK0

~

a:

w

X

w

..J

0..

i=

..J

::>

::i:

Cl)
Cl)

w

a:

0
0

et

f

I

-

f

I

-

I

1

r

~

-

~

~

"V

~

~

~

"U

~
~

~

~

Y

V

~

"!

"0

CLKN

COLR

HSY
BLNK
HBLN

LOAD

PO

P1
P2

P3

P4

P5

P6

P7

P8

pg

P10

S157

3

CS

DD

SYNN

-0

VBLN

"0

01

02

Q

03

Memory

Management

(1)

IORN

A1

A2

A3

A4

A5
AS
A7

AO

WRN

A15
A14
A13
A12

MRQN

RFSN

RDN

PHI

A11
A10

A9

AB

,...

"

0

~

0
0
0

."

0

"

0

-"

.....

"

"

0

0

'"

0

0

"

"

0

'\

-

0

0

0

0

-

:::.

~

~

'-

0

AND

3

\.

,

r--

4

4

\

,

4

\.

•

-0

PRCN

BLNK

2

Z

'----

0

~

LACH

<C

(f.I

~

Z

w

a..

~

0

U

INH1

•

CSDD

INH2
INH3

I-

:;

u

RASN

!!:

U

(/)

<C

a:

INH1

')

'"

CSON

AND

INH2

-

WAIT

-0

INH3

CYCLE

WATN

AND

CIRCUIT

CSDN

1

INH2
INH3

AND

CSEN

10

Memory Management

(2)

PH111

WRN

MRQN

RDN

LPH1

NTPL

CL

GATE

VCC

GND

0

0
0

0

Colour VRAM (VRAM-2)

CAS

circuit

1/4

•

MZ-

700 colour infonnation

is

managed character by

character. One byte

of

colour infonnation table is assign-

ed

to

each characters displayed on the

TV

screen.

D7
D6
D5
D4
D3
D2

D1

DO

ATB
FRONT G
FRONT R
FRONT

B

Not used

BACK

G
BACK R
BACK

B

ATB: CGROM

address switch­ingbit

....

+-_FRONT

BACK

Character iqfonnation

is

stored in address

$DOOQ.

$D7FF and colour infonnation in $D80Q.$DFFF

of

the

VRAM.

11

~------------------------------<1SEL

COLR

NTSC

PAL

select

~-------------In

PH

10

4-3. Memory

mapped

I/O

($EOOO -$EOO8)

CPU

memory Controller

Function

address

$EOOO

PA

: Output

$EOOl

Pe : Input

$E002

8255

Pc

: Input/output mode controller

by bit cell

$E003 Mode controller

$E004

Co

: Mode 3

(square wave rate ge»erator)

$E005

C,

: Mode 2

8253

(rate generator)

$E006

C

2

: Mode 0

(terminal counter)

$E007

Mode controller

$E008

LS367 and

Tempo,joystick,

HBLNK input

others

a) Signals around

the

8255
The 8255 Programmable Peripehral I/O Controller assumes
the control

of

the cassette recorder, CRT screen cursor

Port

PA

($EOOO)

PB

($EOOl)

PC·

($EOO2)

Cassette
control

Key data
input

terminal

(8P)

RDATA

MOTOR

M·ON

WDATA

Key data

strobe terminal

(lOP)

Port terminal

PA

o
PAl
PA

2

PA

3

PA

7

PB

o

PB

I

PB

2

PB

3

PB

4

PB

s
PB

6

PB

7

PC

I

PC

2

PC

3

PC

4

PC

s
PC

6

PC

7

r---

'-

VBLNK
5560UT
INTMSK

556RST

0

LS

0

\

145

-

C
B

9

A

I/O

Active state

H

OUT

H

L
L

IN

L

OUT

-

OUT

L

OUT

51..

IN

H

IN

-

IN

-

IN

-

blinking timing, keyboard scan strobe output, and key

return data.

8255

PBO

\

0,

PB7

\

Do

PC7
PC6

AI
PC2
PC5

Ao

PC4

PC3

RD

PCl WR

CS

PA7

RESET

PA,
PA.

PAl
PA

o

Control function

}

Keyboud

scan stwhe slgnal output

Cursor blinking timer reset

Keyboard scan data input

Cassette data write

•

Timer interrupt disable
Motor rotate control
Motor rotation check
Cassette data read

Cursor blinking timer input

Vertical blanking

0,

AI

8255

RESET

Signal name

556RST

WDATA

INTMSK

M-ON

MOTOR

RDATA

5560UT

VBLNK

•

Output

data handled in the

bit

cell mode. (Port C in control mode)

b)

Cassette controller

Data transfer with the cassette recorder is carried

out

on

PCI, PC4, and

PC5

of

the 8255. Shown next

is

the data

format (Sharp

PWM

method)

of

the cassette tape.

12

1-o1

..

_--464~-

__

...

II.oo

...

_-49

.•

4j.1S----I

..

-+oI

.....

240~-'-

264~'"

, I

"I

I I I ,

;.'

______

_

I

CASE1 LONG

-----

....

--

SHORT

U

368j.1S 368j.1S

--J

'

READ

READ READ

READ

POINT

EDGE

POINT

EDGE t

(Rising

edge

SHORT

starts sampling

(HIGH)

240lls

counter) (LOW) 264lls

LONG

(HIGH)

464lls

(LOW)

494j.1S

READ

POINT

368lls

"LONG"

is

the data written for the bit value

of"

1" and

"SHORT" for the bit value

of

"0".

Data is read

368~

after the rising edge

of

the data. The data is recorded

as

a repetition

of

LONG and SHORT, with the same data

block written twice.

I

SHORT

10

sec

22000

TAPE

1

MARK

LONG40
SHORT40

LONG

TAPE
MARK

LONG

20

SHORT

20

INFORMATION

BLOCK

128

bytes.

1

DATA

BLOCK

Check

!SHORT

INFORMA·

E

..

TION

:;,a>

SHORT

sum,

~56

.....

BLOCK

~>

1

2 bytes

~ytes

u.rJ

5

sec

128

bytes

1!N

u

LONG

11000

E

Xl

isHORT

E"

..

as:

DATA

:;,a>

.....

~.rJ

1 256

BLOCK

~>

1

Ibytes

u.rJ

1!N 1!N

U

U

LONG

LONG

The

information block consists

of

the following:

Name

Byte numbers End address Function

Note

ATRB

1

$lOF1 Attribute

NAME

17

$1102 File name (up to 16 characters)

CR (OD) at the end

SIZE

2

$1104

File byte size

In

order or low and high order bytes

DTADR 2

$1106 Loading address

EXADR 2

$1108 Executing address

COMNT

124 $1170 Comment Not used

13

I

c) Keyboard controDer
The 8255 writes strobe (key scan signals) on

PA

and

reads key data from

PB.

The table shown below

is

the

key map.

d) Signals around the 8253
The 8253 Programmable Timer generates the buzzer tone
through the counter

#(J and keeps the internal timer

function

via

the counters

#1

and #2.

The counter #(J

is

used

as

a square waveform generator

(Mode 3). The counter #1

is

used

as

a rate generator

(Mode

2)

and #2

as

an

interrupt upon terminal count

(Mode

0).

The counter #(J counts the input pulse

of

895KHz which

is

divided by a predetermined factor (musical note), and

is

then supplied to the amplifier to generate sound. The

counter

#1

receives

an input pulse

of

15.6KHz and creates

a

pulse

on OUTl every second. The counter #2 counts

those pulses

and

OUT2 turns to a high

level

12

hours

after.

As

OUT2

is

connected to the

CPU

interrupt pin,

it then goes into an interrupt processing routine.

8253

D7

Do

14

OUT2+----TO

CPU

INT

OUT1

ClK1

BlNK

05.6KHz)

OUTO

sp,

ClKO

895KHz

5.

DATA

RECORDER

5-1.

Data recorder (MZ-lT01)

Data transfer with the recorder is carried out

via

the 8255.

The

read data

is

sent out through

the

port

Cl

and the

write data

is

received through the port

C5.

The motor

on/off control

is

carried out

via

the port

C3

and that

activation

of

the motor

is

confmned through the port

C4.

The

signal

SENSE

goes

low when FF,

REW,

or PLAY

pushbutton

is

pushed on the

MZ-}

TO

I.

Block

diagram

+5V

Control
circuit

• Cassette specification

Method

PWM

recording

method

Rated power

5V

± O.25V

Wait: 2mA

Rated

current

Record:

210mA

(TEAC TEST TAPE)

Playback:

150mA

(TEAC TEST TAPE)

Transistor x 5

Semiconductors used

IC x 2
Diode

x4

Tape used

C30 - C90

Rated

tape

speed 4.75cm/sec

Tracks

2 tracks, monoral

Motor

5V

electronic governor

motor
Bias DC
Erasure

DC

Standard playback

point

lmsec -500

sec

Nominal

input

L: O.4V, max.

level

and

H: 2.0V, min.

input

impedance

R~cording

terminallOkn

min.

Nominal

input

level

L:

O.4V, max.

H:

2.0V, min.

Erase

head

------

Record/playback head TAPE

Differentiation
circuit

o-

__ ~ ______________ ~ __ ~ ____________ ~ ____

~03003

R3003
R3004

Amplifier
03003

SW3002

Mechanically

interlinked

switch

WRITE

READ

15

Amplifier

Amplifier/

circuit

+5V

Limiter

03001

-~---!

circuit(1/2),

03002

IC3001

Waveform

shaping

circuit

(2/2),

IC3001

Amplifier
circuit,
03004

I

iv1Z

700

Troubleshooting procedure

Phenomennon

CD:

Motor

and

tape

do

not rotate,

when

the

PLAY

button

is

pushed.

Check

if

M+

and

M·5V

are

in

supply.

NO

Motor

fai lure

Check

if

the SW302

interlinked

with

the

P

LAY

push

button

is

active.

Phenomenon

@:

Program

can

not

be

saved

Check

if

the

SW3OO1

interlinked

with

the R EC push

button

is

properly

operating when the

REC

pushbutton

is pushed.

Check

if

+5V

on

Cl)

.

NO

itch

fai lure

heck

if

signa

is

on

from

the

OK

terminal

!J).

OV: when

SW

is

on

+5V:

when

SW

is

off

NO

Check

+5V

on

REMOTE

terminal

@.

Check

the

+5V

input

voltage. Check

R3009.

OK

Check the

motor

lead

wire

(REM)

and

the

motor

transistor (2S0468)

Check

if

voltage is

on

to

the

base

of

the

remote

control

transistor

of

the CPU board.

Check

the

CPU

board.

Check

if

the signal

is

on

to

the

base

OK

of

03002.

Failure

of

SW3OO1.

Check R30OS.

signal

is

on

to

the recor

OK

ding

head.

OK

NO

Failure

of

the recordl

playback head.

Contact

failure

in

SW3OO1.

Check

03001

and

03002.

Check

if

voltage

is

on

to

the

erasure head.

Phenomenon

®:

Program

can

not

be

loaded

or

resulted

in

error

Check

if

a

waveform

is

on

the terminal

®.

OK

Check

the

1...----1+5V
NO

supply.

No

waveform

with

too

much

noise.

NO

16

Check

if

the erasu

re

head
should have been inactive
due

to

failure

of

SW3001 .

Check

peripheral

components

around

03003

and

for

azimuth

maladjustment

of

the record I

playback

head.

Mechanical adjustments

RECORD/FAST FORWARDjREWIND torque measure-

ments

1.

Set the torque measuring instrument on the cassette
tape recorder.

2.

Torque

value

under each mode must be

as

follows:

Position

Torque measuring

Value

cassette

PLAYBACK

TW-2111

30

'"

70gram·cm

FAST

TW-2231

60

'"

160gram·cm

FORWARD
REWIND

TW-2231

60

'"

160gram·cm

Record/playback head azimuth adjustment

1.

Set the instrument

as

shown in Fig. 4-2.

2.

Playback the test tape (Teac's

MTTlll,

recorded with

3KHz signals).

3.

Adjust the head azimuth adjusting screw

so

that the

reading on the digital voltmeter

is

at its maximum

value.

Cleaning

of

head

The

head

is

critical for a proper performance

of

the tape
recorder. Dust on the head, capstan, pinch roller, etc.
impedes proper recording and playback. Open the cassette

holder, take out the tape, push down the

PLAYBACK

pushbutton, then clean those components.

If

you can

see

any oxide deposit, clean them using a cotton bud

damped with alcohol.

RECORD

pushbutton can not be pushed in

The

RECORD pushbutton can not be pushed in,

if

the

erasure protect tab

of

the cassette tape

is

broken. Forcible

depression

of

the button may result in machine failure.

17

Tape speed adjustment

1.

Connect the wow-flutter measuring instrument to

:f#!,

pin

of

the

CNW3001

connector.

2. Playback the test tape (UKOG-0119CSZZ, MTT-1l3
recorded with 8KHz signals).

Use

the middle part

of

the

tape for the test.

3. Adjust the

semi-fix~

resistor located on the Motor

Board

so

that the playback frequency should become

8000 ± 250Hz.

Test tape,
MTT-113

Pinch

roller

Collector

of

transistor

03003

Digital

voltmeter

Figure 4-2.

Head

MZ~700

Cassette

recorder

waveforms

Primary stage amplifier

output

wavefonn

Operational amplifier

input

wavefonn

Operational amplifier

input

wavefonn

CD

®

®

/1

AWl

IJ

1.

~

6mv~

1.8V

r

vpp

pp

T

ov

Operational amplifier

input

wavefonn

Operational amplifier

output

wavefonn

Output

wavefonn

@

® ®

Tt

f1

" "

T

T

1.SVpp

4Vpp

sVpp

1

\lV""~'"

1

1

Recording

input

wavefonn

Recording signal amplified wavefonn Recording signal amplified wavefonn

(J)

®

®

T~

-

-

-

T-

r

~

T

~ ~

1.SV

O.9V

1.8Vcc

pp

pp

1

~

....

....

1

'-

'--

'- '-

....

Head

input

wavefonn

@

I\

~~

\

1\

V /

V

o Figure in a ciele represents the waveform test point on the circuit diagram.

18

~\;1Z

700

5-2.

External recorder playback circuit

When

the external recorder

is

used, connection

is

made

with the 8255

by

shorting P-12. In this condition, the

write data (8255

PC

output)

is

differentiated and sent

to the recorder.

In

the case

of

read, the signal peak

is

chopped by

DI

and D2 (about

O.6V),

amplified in the

1.2V limiter (about 1.2V), then amplified

to

5V in the

next stage amplifier. The phase

of

the read signal may

be

inverted with the tape switch after this

is

to compensate

for phase difference owing to the head

of

the recorder.

When

proper operation

is

not attained with an external
recorder, adjust the volume control and the tone control
knobs to optimum positions. Those which incorporate
treble and base for tone control should preferably be set to
a flat condition, and those with only a tone control knob,
should be set to a high condition.

6.

COLOUR ENCODER

6-1. Colour encoder

• The encoder unit should

be

replaced

as

a unit part.

• Input signals

• COLOR

•

CSYNC

•

HSYNC

•

VSYNC

• R

• G

• B

Colour sub-carrier

wave

frequency

Composite synchronizing signal

Horizontal synchronizing signal
Vertical synchronizing signal

• CVIDEO

'X.

Rear

view

,~

B/W-Colour

sw

I + +

6+

? I

RF

CH1-

VIDEO

8pin

OUT

CH2

OUT

Din

SW

19

• 8-Pin DIN connector

I VIDEO

2 GND

'5'

VSYNC

4

HSYNC

'3'

CSYNC

6 R

7 G

8 B

7~~

3 •

S'

8 4

2

• Whenever there

is

any problem with the display check

if

all

signals are supplied to the colour encoder. Check

the waveform

of

VIDEO OUT.

* Problems may arise

if

the colour TV

is

improperly

adjusted.
Signal waveform

of

VIDEO OUT (figures in the drawing

represents nominal values)

0-

--

64

7. MICRO

COlOR

GRAPHIC PRINTER

7-1

Micro color graphic printer

1) Block diagram

H

H

Con-

Buffer

nectar

~

rr-

(1) At power on

/

I'

\

,

Intelligent

J

interfacing

LSI

~

I"'-

Control switches

{paper feed

Reset
Pen exchange

At power on, more than

SV

of

pen up current

is

applied

for a period

of

IOms,

plus 5 and minus

Oms,

to move the

carriage 556 steps backward on the

X-axis

in order to

initialize the colour position.

As

the carriage

is

held at the

left margin after disengagement

of

the motor, it

is

then

moved 30 steps forward on the

X-axis,

then stepped back

30 steps

again

to check

if

the colour position detector

has been made.

If

not, it continues to move the carriage

30 steps forward on the

X-axis,

then return 30 steps to

ensure the made condition.

(2) Colour change operation

To change colour, the slider makes three reciprocating
movements

of

6mm (30 steps) at the left end

of

the

X-axis

to move the pen position one step.

When

the desired pen

position

is

attained,

it

then returns to the home position.

Since the pen rotor makes a unidirectional rotation at

the left end

of

the

X-axis,

and

is

locked within printable

range, care must be exerted not to touch the rotor and

the slider.

20

MZ-700

.....--

-

\

I--

~

V-axis

,

I--

stepping
motor

J

Drive array I

l-l.

I--

X-axis

~

stepping

I--

motor'

I

~

Pen

up/

"

Magnet

down

drive circuit

"7

magnet

I

L_

I

_J

Printer mechan

ism

(3) Pen exchange operation

A pen needs to be exchanged with a fresh one when

it

runs out

of

ink. In such

an

event, the pen

is

moved 485

steps forward on the

X-axis

from the home position with

the used pen located on the top

of

the rotor, then take

out the used pen, by pressing the pen release

lever

and

exchange it with a fresh one.

(4) Motor phase and rotating direction

The arrow head indicates the forward direction for both the
X-axis

and

Y-axis.

~

~

5.

~ci,.a..L.-t

b

~

L"L.

(A

"'5~

hL

'::"$'~

~

kot

......

.-J

2) Pen exchange method
To remove pen, press the pen exchange button, when the

slider

is

at the right handside, push the pen release lever.

Motor

Push

the

pen release lever

To install the pen, push the tip

of

the pen through the

ring

of

the return spring in the nrst place, then push into

the holder. Upon completion, ensure

that

the tip

of

the

pen

is

engaged with the hole

of

the pen return spring.

If

colour change

is

done when the pen

is

disengaged from

the hole, it may cause improper rotation

of

the rotary

holder

as

the slider makes contact with the pen. Do

not

try to rotate the rotary holder

by

hand when installing

the pen during replacement

of

the pens.

• The X-axis stepping motor and the Y-axis stepping
motor are driven

by

the two-phase magnet.

Stepping

motor

driving signal

Basic

drive pulse

n

n n

t---

Phase

A

Phase

B

Phase

C

Phase

0

Motor

clock

Hold

period

~

tMH

21

It

is

more effective to

save

power

to

shut

off

current

while the X and

Y axis motors are

at

a halt. But, there

may be a possible malfuction because

of

unsuppressed

vibration,

if

the current

is

turned

off

with a normal

pulse width.

In

order

to

prevent this, current

is

applied

excessively for more than the given hold time (tMH

=

1 ms

or

more).

• Colour position detector
The colour position detector consists

of

a reed switch

and a permanent magnet and

it

may cause malfunction

owing

to

external vibration, and magnetic influence.

Especially, when deposit

of

alien matter

or

paper

frag-

ments is between the left end

of

the carriage and the

frame this may result in a failure

of

the colour detect

performance.

• Character set
Input

of

an undefmed code

up

to

$20

is

ignored. Other
undefmed codes are represented in hexadecimal notation
using the pen in a

next

color pOsition.

Pin configuration

(top

view)

TO

Vcc

XTAL1

T1

XTAL2

P27

RESET

P26

SS

P25

INT

P24

EA

P17

RD

P16

PSEN

P15

WR

P14

ALE

P13

DBo

P12

DBI

P11

DB2

P10

DB,

VDD

DB4

PROG

DBs

P23

DB,

P22

DB,

P21

Vss

P20

Pin Configuration

,

MZ--700

[COLOUR PLOTTER PRINTER CONTROL LSI]
Pin

assignment

Symbol

Name

In/out

Function

Vss

Ground

Connected

to

QV.

Vcc

Main power Connected

to

SV.

VDD

Power

Connected

to

SV.

PROG Program

Out

Not used.

Plo -PI

7

Port I

Used

as

printer control signals.

P20 -P27

Port 2

Used for data input port from

CPU.

Do

-D

7

Data bus

Used for stepper motor control signals.

To

Test pin Q

In

Input from pen change switch.

Tl

Test pin I

In

Input

from paper feed switch.

.

INT Interrupt

input

In Data transfer strobe

MZ·

700 -+ MZlPOl.

RD

Read signal

In Not used.

"

WR

Write signal

Out

Not used.

RESET

Reset

In Used

to

initialize the processor.

ALE

Address latch enable

Out Not used.

PSEN

Program store enable

Out

Not used.

SS

Single step

In Not used.

EA

External access

In Active when EA

=

QV.

Pins used

to

attach the crystal oscillator or

RC

network

to

Xl,

X

2

Crystal inputs

In generate internal clock. However, external clock signal may be

inpu tted through these pins.

,

22

,Q

700

7-2. Interfacing with the MZ-700

Fig.

1 shows the block diagram for connection with the

printer.

Fig.

2 shows its circuit description. Fig. 3 shows

the timing chart.

Table

of

character set

Figure 1. Block diagram

00---1

00---1

AROP---t

ROA---;

Buffer

~

LSD

0

I

2

3

4

5

6

7

8

9

A

B

c

D

E

F

0 I

W

[1]

B

0

[8J

[g

2 3 4

5

sp

0

@

p

0

1 A

Q

""

11

2

B

R

#

3

C

S

$

4

0 T

%

5

E

U

8x

6

F U

/

7 G

W

C

8

H

><

,

9 I

'I

j

*

c

J

~

c

+

c

K

[

5

5

<

L

""

-

-

M

]

-

c

>

N

t

/

?

0

~

MPU

The

CPU

sends data to the printer after confirming that

RDA

is

in low state. Five micro seconds later, the strobe

signal ARDP goes high. The

CPU

confirms that RDA

is

in high state, ARDP

is

returned to a low state 14.5 micro

seconds later.

6

7

c

i

I

8

>

A

9 A B C

q

n

0

-

e

z

U

"

w

m

"v

S

u

t

,

---1

1

9

0

h 0

I

k

A

b' f

- -

0

- -

X

V

01

d

i

r

uiyl

PI,B i {

C J

=

TranSistor
array

Solenoid

driver

D

=

Functional

Switches

PAPER FEED
PEN CHANGE

ROA

-----,

E F

1

[

\~

\

[

Color

position

detector

X.axls

stepping

motor

Y.axls
stepping

motor

PEN

UP/Down

SOlenoid

DATA

______

~~~------~------

I

I

I

A

ROP

------r-----I,

L

1

I

-I

Figure 2. Interfacing

timing

-+---i-: --5,us

1

14.5 1

I

,

,us

23

8.

POWER SUPPLY

Power supply circuit description
(1)

AC

source power

is

rectified through the diode bridge

(RB-156).

(2) Current flowing through the primary coil

of

T1

is

switched by means

of

Q 1

so

as

to induce electromotive
force in the secondary coil. To protect voltage fluctua­tion on the primary side,

Q2

is

implemented, which

will

become active to deactivate

Ql

by dropping the

base

of

Q1

to

GND

when voltage increase occurs on

Q2.

(3) The electromotive force induced

in

the secondary

coil

is

rectified through D21, and DC5V

is

derived

from the network consisting

of

C22, C23, and L21.

TROUBLESHOOTING

1.

Trouble kind

a:

w

I-

..J

u:::

w

en

(5

z

a:

!!!

u..

~

U

w

a:

Because different location has to

be

repaired depending

on a kind

of

trouble, you have to check, the output voltage

in the first place. (Apply source voltage

of

220 to 240V

with a 3.75A load connected

on

the output.)

There are following four cases:

1)

No output

(OV)

2) Low output

(1

to 4V)

3)

High

output (7 to 10V)

4) Abnormal increase

of

output ripple (several hundreds

millivolts)

021

in

failure

(!)

~

J:

U

I-

~

en

..J

o

a:

I-

z

o

U

MZ-700

(4) For circuit stabilization against load fluctuation,

we

use

IC21

(shunt regulator),

PC1

(photocoupler),

and

Q3

(transistor).

When

the gate

of

IC21

is

above

2.5V after sensing the

5V

output by means

of

R22,

VR21, and R23, it makes

IC21

active and then

PC1

active.

As

the

base

voltage

of

Q3

increases with activation

of

PC1

photo-transistor,

it

makes

Q3

active

and drops

the base

ofQ1

to

GND

so

as

to turn offQ1.

Although it

is

possible to adjust the

DC

5V

voltage by

means

of

VR21, it needs to

put

the

CPU

PWB

into

connection.

a:

w

~

a:

0

u..

en

Z

~

a:

I-

a:

W

u..a:

-w

1-1-

U..J

w_

a:u..

w

U

Z

w

en

2. Finding where

is

in

trouble

2-1. In the case

of

"No output

(OV)"

N

Observe waveform
between

the

collector

and

emitter

of

01

(*1 )

01

or

01

in

failure

24

01,

R1

in

failure

R5,

02, 03,

R3,

03

in

failure

(*1):

If

the output voltage

were

to

be

still

OV

without

blowing the fuse after replacement

of

Q1,

proceed to

steps described to the left

of

the troubleshooting

flowchart.

,

Waveform

CD

Waveform

CID

Waveform@

"1

320V

-------ov

_____

""'lov

2·2. When extremely

low

output

voltage is

encountered

I

If

Waveform @

I

R5,

RS

in

failure

Waveform@

Several volts
or

more

..LI

----~--~----ov

(

Start

I

Observe waveform

between

the

collector

and

emitter

of

Q1

I
I

If

Waveform@

I

R9, C12,

C",

Q3

in

failure

Waveform@

Unstable waveform

-

~

\

2·3. When extremely high

output

voltage is

encountered

(7 -

tOy)

PC1,Q3,R7,RS,C11
in

failure

N

25

1

If

Waveform(§)

I

PC1, IC21, C25
in

failure

Waveform(§)

R21, PC1, IC21, R22,
R23

in

failure

2-4.

Abnonnal increase

of

output

ripple

In

case

irregular increase is seen for the output ripple like

the one below, it needs to replace C22 and

C23

with new

ones because they have been fatigued.

-

t

t

1

00m V or

less

(Normal rippla)

Several

hundreds

millivolts

(Abnormal

ripple)

26

Input:

AC220 -240V

Output:

5V,3.75A

Usa

oscilloscope

~v1Z

-70C

9.

le

SIGNAL POSITION

74LSOO

74LS02

74LS14

7417

5A 5Y

IY

2A

2Y 3A

3Y

GND

lA IY

2A

2Y

3A

3Y

GND

74LS42

7472

VCC

PR

K3

K2

NC

CLR

JI

J2 J3

GND

74LS125A

74LS145

INPUTS

£

VCC

4C

4A

4Y

3C

IC

lA

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2C

2A

2Y

GND

27

74LS04

74LS32

74LS86

\ICe

48

4A

4Y

38

3A

lA IY

2Y

GND

74S157

SELECT

~

IV

~

2V

GND

INPUTS OUTPUT INPUTS OUTPUT

74LS166

74LS246

74LS367A

VCC

G2

5A 5Y

4A

lA

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2Y 3A 3Y

GND

74LS174

I

CLEAR

IQ

ID

I

I

CLEAR

IQ

74LS273

BD

70

74LS176

OUTPUT

IQ

ID

2Q

3Q

28

2Q

GNO

MZ-700

.

10.

CIRCUIT DIAGRAM & PARTS LAYOUT

29

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MZ-700

PARTS LIST & GUIDE

Parts marked

with"

L1I"

is

important for maintaining

the

safety

of

the

set.

Be

sure

to

replace these parts

with specified ones for maintaining

the

safety and .performance

of

the

set.

MZ·700

rn

CPU Unit Exteriors

NO.

PARTS

CODE

PRICE

NEW

PART

DESCRIPTION

RANK

MARK

RANK

1

DUNTKl152ACZZ

**

N E

CPU

PWB

2

DUNT-1150ACZZ

BM

N

E

Power

supply

unit

3

DUNT-1151ACZZ

BN

N E

RF

modulator

4

GCDVH1002ACZZ

AB

N 0

Aclyric

cover

5

GFTAR1019ACZZ

AB

N

0

Lid

for

26P

connector

6

GFTAR1020ACZZ

AB

N

0

Lid

for

50P

connector

7

LCHSMI018ACZZ

AY

N

C

Main

chassis

8

PCUSSIOO2ACZZ

AA

C

Speaker

cushion

9 Q S W-K 1 0 1 3 A C Z Z

BH

N

E

Key

board

unit

TSPC-I055ACZZ

AC

N

0

S~fication

label

(MZ

731)

10

TSPC-I056ACZZ

AC

N D

~fication

label

(MZ

721)

TSPC

1059ACZZ

AC

N D

Soecification

label

(MZ

711)

11

XBBSC30PIOOOO

AA

C

Screw

12

XBPSM30P06KSO

AA

C

Screw

13

XBPSM30P08KOO

AA

C

Screw

14

XUPSD30P08000

AA

C

Screw

15

GFTAR1012ACZZ

AB

N D

Lid

for

connector

16

PGUMS1266CCZZ

AA

N

C

Cushion

for

PWB

fixing

angle

17

VSPOO80P-608N

AN

C

Speaker

18

HBDGBIOO2ACZZ

AD

C

Sharp

badge

19

GCABA1006ACZZ

AV

N

D

Bottom

cabinet

20

GLEGG1020CCZZ

AD

D

Rubber

foot

21

HBDGDIOOIACZZ

AB

N D

Model

badge

22

QTANSIOO2ACZZ

AD

N

C

Ground

terminal

23

TLABZ1009ACZZ

AA

N D

Model

label

24

XUPSD26P06000

AA

C

Screw

25

CCABB1005ACZZ

AY

N D

Top

cabinet

26

GFTAT1007ACZZ

AP

N D

Printer

dummy

cover

(MZ

711

721)

27

GFTAT1008ACZZ

AP

N D Cassette

dummy

cover

(MZ

711)

.

28

QTANS1001ACZZ

AB

C

Frame

ground

terminal

29

TLABZ1010ACZZ

AD

N

D

Function

label

-1-

---

-------------

MZ·700

rn

CPU

U~~t

Exteriors

I

28

,

7

I

20

P

~

2

If

)

/

19

I

I

I

)

I2J

Printer Unit Exteriors

NO.

1
2
3
4

5
6
8

9

10

11

12
13
14
15
16
17
18
19
20
21
22

23

24
25

PARTS

CODE

CCABB1006ACZZ
CFTAT1001ACZZ
CSFTZ1001ACZZ
NSFTZ1001ACZA
NSFTZ1001ACZB
XRESJ40

o 6 0 0 0

DUNTM1051ACZZ

J K N B Z 1 0 0 5

AC

01
LCHSM1004ACZZ
L H L 0 Z 1 0 0 2

AC

L 1
L H L 0 Z 1 0 0 2

AC

RI

PGiDWI001ACZZ
XBPSD30P04KOO
XBPSM30P06KSO
XBPSM30P08KOO
XUBSD26PIOOOO
XUPSD26P08000
XUPSD30P08000
TLABZI027ACZZ
PSPAB1003ACZZ
PZETE1005ACZZ
SPAKA1064ACZZ

SPAKA1065ACZZ

SPAKC1224ACZZ

<

./

'-

'-

PRICE

RANK

AR
AM
AH

AC

AG
AA
BW
AG
AL
AC
AC
AB
AA
AA
AA
AA
AA
AA
AB
AA
AA
AH
AC
AK

5

22

NEW

MARK

N
N
N
N
N

N
N
N
N
N
N

N
N
N
N

N

N

MZ·700

PART

DESCRIPTION

RANK

0

Top

cabinet

0

Printer

cover

E

Pa

cer

shaft

unit

C

Pacer

holder
C Pacer shaft
C

E

type

ring

E

Printer

mechanism

unit

C

Paper

feed

key

top

C

Bottom

cover

C

Pacer holder-L

C

Paper holder-R

0

Pa

cer

lluide

C

Screw

C

Screw

C

Screw

C

Screw

C

Screw

C

Screw

0

Caution

label

C

Collar

for

printer

C

Insulator

sheet

0

Packing

cushion

0

Packirui

cushion

0

Packinll

case

....-1

I I

j }

~18

10

-3-

MZ·700

IlJ

CPU

Unit

Electronic

Components

NO.

PARTS

CODE

PRICE

NEW

PART

DESCRIPTION

RANK

MARK

RANK

1

QCNCMI009ACZB

AA

C

Connector to Soeaker (2oin)

2

QCNCMI009ACZD

AB

C

Connector to Printer (4l)in)

3

QCNCMI009ACZL

AC

C

Connector to Colour encoder

4

QCNCMI009ACZO

AC

C

Connector to Printer

5

QCNCM1010ACZZ

AF

C

Connector to Power suoolv

6

QCNCMI0IIACZZ

AE

C

Connector Jov stick

7

QCNCWI013ACZZ

AC

C

Connector to Recorder

8

QCNCWIO~YACi!U

AF

C

Connector to

Key

9

QJAKC1013CCZZ

AC

C

Input jack

Ext

Record/Play back

ID

QSOCZ6424ACZZ

AE

C

IC

socket (24pin)

11

QSW

P1009ACZZ

AF

N

B Push switch

12

QSW

S1012ACZZ

AF

N

B

Slide

switch

13

QSW

S6683RCZZ

AF

N

B

Slide

switch

14

RCRS

1007ACZZ

AV

N

B

X

TAL

(l7.7344MHz)

15

RMPTC8103QCKB

AD

C

Block resistor

(lOKOX8

1/8W

±10%)

16

RVR-B1450QCZZ

AE

B Variable resistor

17

VC

C 5 P U 1 H L

391

J

AA

C CapacitorJ:50WV

39O-,>D

18

VCCSPUIHL471J

AA

C

Capacitor (50WV 470oF)

19

VCEAAUIAWI07Q

AB

C

Capacitor (lOWV 100uF)

20

VCEAAUIHWI05Q

AB

C

Capacitor (50WV 1.0uF)

21

VH

LH0080A/-1

AX

B

LSI

(Z80A CPU)

22

VH

MZ60719GSO

BF

B

IC

23

VH

M2732/ACll

BF

B

IC

(M5L2732K) Monitor

24

VH

TMM2016P

1

AX

B

IC

25

VH

UPD8255/

1

AV

B

IC

26

VH

4 1

64

1 5 0 H

AZ

B

LSI

DRAM

27

VH

8253////-1

BA

B

IC

28

VS

SC458KC/-l

AD

B Transistor (2SC458KC)

29

VS2SD788

C/EC

AC

N

B Transistor

3D

VCCCPAIHHI0IJ

AA

N

C

Capacitor (50WV 100oF)

31

VCCCPAIHH221J

AB

N

C

Capacitor 50WV 220oF)

32

VCEAAA1CWI06Q

AB

N

C

Capacitor 16WV 10uF)

33

VCEAAAICW226Q

AB

C

Capacitor 16WV

22uF)

34

VCEAAAIHWI05Q

AB

N

C

Capacitor 50WV 1.0uF)

35

VCKYPU1HBI02K

AA

C

Capacitor (50WV 1000pF)

36

VCKYPUIHB222K

AA

C

Capacitor (50WV 2200pF)

37

VCSATAICE226M

AB

N

C

Capacitor

(l6WV

22uF)

38

VCSATAICE336M

AB

N C Capacitor (16WV 33pF)

39

VCTYPUIEXI03M

AB

C

Capacitor (25WV 0.010uF)

40

VCTYPAINX104M

AB

C

Capacitor

(l2V

O.luF)

41

VHDDS1588Ll-l

AB

N B Diode (151588)

42

VHiCD4069B/

1

AE

B

IC

43

VHiM74LSOO/

1

AE

B

IC

44

VHiM74LS02/

1

AE

B

IC

45

VH'M74LS04/-1

AE

B

le

46

VH

M74LS08/-1

AE

B

IC

47

VH

M74LS09/-1

AE

N B

IC

48

VH

M74LS10/-1

AE

B

IC

49

VH

M74LS125-1

AH

B

IC

50

VH

M74LS14/-1

AM

B

IC

51

VH

M74LS145-1

AH

N

B

IC

52

VH

M74LS174

1

AK

B

IC

53

VH

M74LS175

1

AG

B

IC

54

VH

M74LS245-1

AM

B

IC

55

VH

M74LS273-1

AP

B

IC

56

VH

M74LS32/

1

AF

B

IC

57

VH

M74LS367

1

AH

B

IC

58

VH

M74LS42/

1

AF

B

IC

59

VH

M74LS74/-1

AG

B

IC

60

VH

M74LS86/-1

AF

B

IC

61

VH

NE556N//-l

AH

B

IC

62

VH

5 N 7 4 L 5 1 6 5 N

AM

B

IC

63

VH

SN74LS221N

AM

B

IC

64

VH

SN74S04N

1

AG

B

IC

(74504)

65

VH

SN74S157

1

'AQ

B

IC

(SN74S157N)

66

VH

SN7417N/

1

AG

B

IC

(SN7417N)

67

VRD-RV2EYOOOJ

AA

B

Resistor

(1/4W

+5%)

68

VRD-ST2EYI02J

AA

C

Resistor

(1/4W 1 KO)

69

VRD-ST2EYI03J

AA

C Resistor{1/4W 1 KOl

70

VRD

5 T 2 E

YID

4 J

AA

C

Resistor

1/4W

100KO

+5%)

71

VRD

ST2EY121J

AA

C Resistor

1/4W

1200

+5%~

72

VRD-ST2EY152J

AA

C

Resistor

1/4W

1.5KO

+5%)

73

VRD-ST2EY153J

AA

C

Resistor

1/4W

15KO

+5%:

74

VRD-ST2EY182J

AA

C

Resistor

1/4W

1.8KO

±5%)

75

VRD-ST2EY183J

AA

C

Resistor

1/4W

18KO

±5%:

76

VRD-ST2EY221J

AA

C Resistor

1/4W

2200

±5%:

77

VRD-ST2EY222J

AA

C

Resistor

(1/4W

2.2KO

±5%)

78

VRD-ST2EY330J

AA

C

Resistor

(1/4W

330

+5%)

79

VRD-ST2EY331J

AA

C

Resistor

(l/4W

3300

J)

80

VRD

ST2EY332J

AA

C

Resistor

(l/4W

3.3KO

±5%)

-4-

MZ·700

[3J

CPU Unit Electronic Components

NO.

PARTS CODE

PRICE

NEW

PART

DESCRIPTION

RANK

MARK RANK

81

VRD-5T2EY391J

AA

C

Resistor

(l/4W

3900

+5%)

82

VRD

5 T 2 E Y 4 3 1 J

AA

C

Resistor

(l/4W

4300

+5%)

83

VRD

5 T 2 E Y 4 7 1 J

AA

B Resistor

(l/4W

4700

+5%)

84

VRD-5T2EY473J

AA

C

Resistor

(l/4W

47KO

+5%)

85

VRD-5T2EY560J

AA

C

Resistor

(l/4W

560

+5%)

86

VRD-5T2EY561J

AA

C

Resistor

(l/4W

5600

+5%)

87

QACCZ3321QCNI

Al

N

C

AC

cord

for

Eurooe

;I.,IA(;(;B3620QCZZ

Al

N C

AC

cord

for

U.K.

88

QCNCWI012ACZZ

AE

N C

Connector

89

QCNCWI008AC03

AC

C

Connector

90

QCNW

1049ACZZ

AN

N

C

Cable

for

TV

91

RTPEKI004ACI3

BF

N C Basic taoe

92

V

HiM

2 7 3

2/

A C 1 2

B F N

B

CG

ROM

93

IQCNCWI012ACZL

AE

N

C

Dummy connector for cassette

(MZ711

only)

[!]

Printer Control PWB Elecronic Components

NO.

PARTS CODE

PRICE

NEW

PART

DESCRIPTION

RANK

MARK

RANK

I

lBNDJ2003SCZZ

AA

C

Cable

clamp

2

QCNCWI008AC04

AD

C

Connector

3

QCNCMIOl4ACZZ

AD

C Connector

4

QCNW

10

I 2

AC

Z Z

Al

C

Connector wire

5

QCNW

1013

AC

Z Z

AD

N

C

Ground wire

6

QCNW

1048ACZZ

AN

N C

Connector wire 15Din

7

QCNW

1051ACZZ

AF

N C

Connector wire

4Din

9

Q5OCZ6440ACZZ

AG

C

IC

socket (40pin)

10

Q5W-PI010ACZZ

AC

N

C

Push

switch (Paper feed)

11

Q5W

PlO

I 1

AC

Z Z

AD

N

C

Push

switch (Pen Chanlle.Reset)

12

RC

R 5 Z I 0 0 6

AC

Z Z

AD

N

C X

TAl6MHZ

13

RMPTC4332QCKB

AC

C

Block

resistor

(3.3KOX4

1/8W

+10%)

14

TPAPRIOOIACZZ

AH

N 5

Roll paper

15

U

PEN

PlO

0 2 C C Z Z

AR

N 5

Pen

set of 4

16

VCCCPUIHHI00D

AA

C

Capacitor (50WV IOpF)

17

VCEAAUIAW476Q

AC

C

Capacitor (lOWV

4711F)

18

VCEAAUIHW225Q

AB

C

Capacitor (50WV

2.211F)

19

VHDD5I588l2

1

AB

B Diode

(051

588l2)

20

VHEWZIOO///

1

AG

B

Diode

21

VHilBI257//

1

AM

B

IC

22

VHiM5M8050HOl

AZ

N

B

l5l

23

VRD-5T2EYI03J

AA

C

Resistor

(l/4W 1 KO)

24

VRD

5 T 2 E Y I 0 4 J

AA

C

Resistor

1/4W

100KO

+5°;)

25

VRD

5 T 2 E Y 2 2 I J

AA

C Resistor

1/4W

2200

+5%

26

VRD

5T2EY332J

AA

C Resistor

1/4W

3.3KO

+5%)

27

VRD

5T2EY471J

AA

B Resistor

1/4W

4700

+5%'

28

VRD

5 T 2 E Y 5 6 I J

AA

C

Resistor

1/4W

5600

+5%)

29

VRD

5 T 2 E Y 5 6 2 J

AA

C

Resistor

(l/4W

5.6KO

+5%)

30

V525A673

C/

1

AE

B Transistor (25A673

C)

31

V 5 2 5 B 7 3 9

C/

1

AD

B Transistor

32

V525C458KC/

I

AD

B

Transistor (25C458KC)

33

V525D788

C/EC

AC

N B Transistor

[[]

Other

NO.

PARTS CODE

PRICE

NEW

PART

DESCRIPTION

RANK

MARK RANK

1

55AKA0231QCZZ

AA

0

Poly ball

(80X220

30U)

2

5PAKA1229ACZZ

AK

N 0 Packinll cushion R

3

5PAKA1230ACZZ

AK

N

0

Packinll cushion

l

4

5PAKAI232ACZZ

AD

N 0 Packinll sleeve

5

55AKA5004CCZZ

AA

D

Poly

baR:

(100 X 300)

6

5PAKCI218ACZZ

AQ

N

D

Packing case

(MZ-731)

7

5PAKCI222ACZZ

AQ

N

0

Packinll case (MZ

721)

8

5PAKC1237ACZZ

AQ

N

D

Packinll case (MZ

711)

9

55AKHOO14HCZZ

AB

D

Poly ball

10

TCAU5I002ACZZ

AB

N

D

Caution

label (U.K. only)

11

TCAU5I003ACZZ

AB

N

0 Caution

label (U.K. only)

12

TiN5EI066ACZZ

BD

N

0

Instruction book

13

TlABJI083CCZZ

AA

0

label

(U.K. only)

-5-

MZ-700

[ID

Power

Supply

Unit

NO.

PARTS

CODE

PRICE

NEW

PART

DESCRIPTION

RANK MARK

RANK

1

XBPSE30P08KSO

AB

N

C Screw

2

PCOVS0181VAZZ

AG

N

C Case (B)

3

TLABN0066PAZZ

AA

N

C

Label

4

DSOCN0344PAZZ

AF

N C Connector (out put) W.Wire

5

L B N

0 K 0 0 1 8 J B E 0

AA

C

Tie wrap

6

PRDAR0106PAZZ

AE

N

C Radiator (B)

7

PRDAR0105PAZZ

AE

N

C

Radiator (A)

8

RTRNZ0074PAZZ

AS

N B Transformer

[Tl]

9

X B

BSC

3 0 P 0 8 0 0 0

AA

C

Screw

10

QFS

COO02PAZZ

AD

A

Fuse

[Fl

]

11

QFSHAOOOIPAZZ

AA

C

Fuse

holder

12

DTiP-0098PAZZ

AB

N

C

Tip

for

AC

wire(Brawnl

13

DTiP-0099PAZZ

AB

N

C

Tip

for

AC

wi~B'uel

14

X B

BSC

3 0 P 0 6

000

AA

C

Screw

(plastic)

15

P Z E T i 0 0 I 5 P A Z Z

AG

N

C

Insulator

16

PCOVSOl80VAZZ

AG

N C Case (A)

17

QSW-COO03PAZZ

AK

B

Seesaw

switch

18

Q S

QC

A 0 0 0 3 P A Z Z

AF

C

AC

inlet

19

QTANNOO04PAZZ

AD

N

C

Ground terminal

20

L B S H

COO

I 8 P A Z Z

AA

N

C

Nylon rivet

21

X B P S E 3 0 P 0 6 K 0 0

AA

N

C Screw

22

VRD

S T 3 A F 2 2 4 J

AA

N

C

Resistor (1 W 220KO

±5%)

[R3]

23

RR-XZOO08PAZZ

AB

N

C

Resistor

[R4]

24

VRS

P T 3 A B I R 0 J

AA

N

C

Resistor

(IW

1.00

±5%)

[R5]

25

VRD-ST2EYI5IJ

AA

N

C

Resistor

(l/4W

1500

+5%)

[R6]

26

VRD-ST2EYI5IJ

AA

C Resistor

(l/4W

1500

+5%}

[Rl]

27

VRD-ST2EY101J

AA

C

Resistor

(l/4W

1000

+5%)

[R8,R21 ]

28

VRD-RU2EE332J

AA

C Resistor

(l/4W

3.3KO

±5%)

[R9]

29

VRW

KT3DCIOOK

AC

N

C

Resistor (2W

100

±10%)

[RI]

.

30

VRD-SC2EF332J

AA

C

Resistor

(l/4W

3.3KO

+5%)

[R22]

31

VRD-RU2EE272J

AA

C

Resistorll/4W

2.7KO

+5%)

[R23]

32

RVR-MOOlOPAZZ

AC

C Variable resistor

[VR2l]

33

VRS-PT3DB683J

AA

N

C Resistor (2W

68KO

+5%)

[R2]

34

R T R N

ZOO

8 I P A Z Z

AH

N

C

Filter

[Ll

]

35

RTRNZ0075PAZZ

AG

N

C Filter

[L2l]

36

VS2SC3150//-1

AK

N

B

Transistor

(Ql]

37

VS2SC1213-DIA

AC

N B

Transistor

[02.03]

38

VHDRBI56///

I

AG

B

Diode

[01]

39

VHDES1F////

1

AC

N B

Diode

[02]

40

VHD1S2076A/-1

AB

B Diode

(lS2076A-FEC)

[03]

41

VHDESAC8204-2

AN

N

B

Diode

[021]

42

RH-iX0368PAZZ

AH

N B

IC

[ICl]

43

RH-PX0075PAZZ

AK

N B

Photo transistor

[PCI]

44

RC-CZ0180PAZZ

AH

C

Ca~citor

(AC250V

0.047~F)

[C2]

45

VCQYKU1HM333K

AB

C

Capacitor

(500V 3330F)

[C25]

46

VCEAAU2GM336M

AH

N

C

Capacitor 400WV 33uF) [C3,C4]

47

RC-QZ0023PAZZ

AD

N

C Capacitor

AC400V 3300pF)

[Cl

C5

C6]

48

VCEAAU2GMI05M

AD

N

C Capacitor

400WV 1.0uF)

[Cl]

49

VCEAAUIAM108M

AD

C Capacitor 10WV

1000uF)

[C23]

50

VCQYKU1HMl02K

AA

N

C

Capacitor 50WV 1000pF)

[C8

C21]

51

VCKYPUlNB204Z

AB

N

C Capacitor

l2WV

0.2011F)

[C9]

52

VCKYPU3DR22lK

AB

N

C Capacitor

(2000WV 220pF)

[CIO]

53

VCKYPUINB104Z

AB

C

Ca~citor

(12WV

0.10~l

[C11

C26]

54

VCKYPU1HB682K

AA

C

Capacitor

(50WV 6800pF)

[C12]

55

VCEAAU1AM478M

AB

N

C

Capacitor (lOWV

470011F)

[C22]

-6-

[ID

Power

Supply

Unit

18

2

13------"~-

_

_"'____tI

12----t--~~_~

14

15~

19

20

-7-

MZ

..

700

4

6

16

MZ·700

[1J

Key

Board Unit

NO.

1

2
3
4
5
6
7
8
9

10

11

12
13
14
15
16
17
18
19
20
21

·22
23
24
25
26
27

PARTS

CODE

PRICE

NEW

PART

RANK

MARK

RANK

OCFD5799D////

AF N

C

Soace

key

OCF3362A/////

AB

N

C

Crank

guide

F

OCF3363A/////

AD

N

C

Crank

shaft A

OCF6303A/////

AC

N

C

Key

contact

OCF3357A/////

AA

N

C

Guide

tiD

OCF4906A/////

AX

N

C

Frame

(NSH

1)

OCF3361A/////

AB

N

C

Crank

holder

F

OCF3364A/////

AA

N

C

Return

spring

OCF3364B/////

AA

N

C

Return

spring

OCF3364C/////

AA

N

C

Return

spring

OCF0711C/////

AA

N

C

Return

spring

OCF3876A/////

BE N

C

Key

top set A

OCF387B//////

BB

N

E

PWB

W.

Parts

OCF1731A/////

AF N B

LED

OCF4988A/////

AN

N

C

Flat

cable

OCF4976A/////

AC

N

C

Protector

XBTSD20P06000

AA

C

Screw

OCF3876B/////

AT

N

C

Key

top

set B

OCF3876C/////

AT N

C

Key

top

set C

OCF3876D/////

AD

N

C

Key

tOD

set 0

OCF3876E/////

AT

N

C

Key

top set E

OCF3876F/////

AP N

C

Key

top set F

OCF3876G/////

AH

N

C

Key

top set G

OCF3876H/////

AG

N

C

Key

top set H

OCF3876J/////

AH

N

C

Key

top set J

OCF3876K/////

AF N

C

Key

top set K

OCFD5000D////

AG

N

C

Blank

key

top

• Key

top

unit

B

UNIT

(1-9,0,

*,

t,

-,

t,

\,

Q,

W,

E)

C

UNIT (M, N, V, C,

X,

Z, L,

K,

J,

H,

F,

S, I, U,

Y,

T)
D UNIT (?)
E UNIT

(R,

0,

P, A, D, G,

B,

@,

(,

;,

: ,

],

" "

/,

n

F UNIT (GRAPH,

,BREAK,

CR, SHIFT, SHIFT)

G UNIT (F1,

F2,

F3, F4,

F5)

H UNIT (INST, DEL)

J UNIT

(t,

-,

j"

+-)

K UNIT (ALPHA, CTRL)

r--------,

t-<

~7~

I

-------~

17

for

60

key)

for

shift

key)

for

space

key)

for

harf

key)

-8-

DESCRIPTION

13

MZ·700

[ID

Ca

ssette

Unit

NO.

PARTS

CODE

PRICE

NEW

PART

DESCRIPTION

RANK

MARK RANK

1

JKNBR0204AFSA

AB

N

C

Stop/Eject/Play/Rewind/F.Foward botton

2

JKNBR0204AFSB

AB

N

C

Record botton

3

KCOUB0138AFZZ

AM

N B Taoe counter

4

LANGF0744AFZZ

AC

N

C

Lock lever holding metal

5

LANGG0099AFFW

AA

N

C

Wire holding metal (A)

6

LANGG0100AFFW

AB

N

C

Wire holding metal (B)

7

LANGTl169AFFW

AB

N

C

Taoe

counter anlzle

8

LANGTl170AFFW

AC

N

C

Anllle

for

botton

L

9

LA

NG

T 1

171

A F Z Z

AE

N

C

AnS/1e

for

botton - R

10

LBSHZOOB2AFZZ

AC

N

C

Cushion

for

motor

11

LCHSM0424AFZZ

AN

N

C

Main chassis assembly

12

LCHSS0183AFZZ

AF

N

C

Sub chassis assembly

13

PSPAZOl17AFZZ

AA

N

C

Base

for

erase head

.

14

LSLVM0144AFFW

AC

N

C

Stopper sleeve

for

cassette eject lever

15

LSLVM0150AFFW

AA

N

C

Stoooer

sleeve

for

write orotect

16

PSPAZ0127AFZZ

AA

N

C

Sleeve

for

botton

17

LX-BZ0436AFFD

AA

N

C

Screw

1B

LX-BZ0447AFFD

AB

N

C

Screw

19

LX-BZ0449AFFD

AB

N

C Screw

20

LX

WZr064AFZZ

AB

N

C

Washer (<61.2x3.2XO.25mrn)

21

LX

WZ1065AFZZ

AB

N

C

Washer (<61.6X 3.2

XO.25mrn)

22

LX-WZ1066AFZZ

AB

N

C

Washer

23

MLEVF140BAFFW

AD

N

C

Lever

for

switch

24

MLEVF1414AFFW

AC

N

C

Lever

for

write protect

25

MLEVF1419AFFW

AC

N

C

Combination lever

for

cassette eject

26

MLEVF1434AFFW

AC

N

C

Lever

for

F.Foward botton

27

MLEVF1435AFFW

AC

N

C

Lever

for

rewind botton

2B

MLEVF1436AFFW

AB

N

C

Lever

for

play back botton

29

MLEVF1437AFFW

AC

N

C

Lever

for

record botton

30

MLEVF143BAFZZ

AC

N

C

Cassette eject lever assy

31

MLEVF1439AFFW

AB

N

C

Ca

ssette eject lever

32

MLEVF1440AFZZ

AE

N

C

Lock lever assembly

33

MLEVF1441AFFW

AB

N

C

Erase protect lever

34

M L E V F 1 4 4 2 A F Z Z

AD

N

C

Roller

lever

for

F.Foward

35

MLEVP0417AFFW

AA

N

C

Sensor lever

tio

36

MLEVP0418AFFW

AB

N

C

Botton

lwide

37

MSPRC0350AFFJ

AA

N

C

Back tencion sprinll

38

MSPRC0351AFFJ

AA

N

C

Lock lever spring

39

MSPRC0355AFFJ

AA

N

C

Head

azimus adjust spring

40

MSPRD0453AFFJ

AB

N

C

Pinch roller spring

41

MSPRD0457AFFJ

AB

N

C

W rite protect lever spring

42

MSPRD0466AFFJ

AB

N

C

Erase protect lever

sorinS/

43

MSPRD0467AFFJ

AA

N

C

Cassette eject lever sprinll

44

MSPRP0331AFFJ

AD

N

C

Rewind lever spring

45

MSPRP0342AFFJ

AA

N

C

Cassette holding spring

46

MSPRT0935AFFJ

AB

N

C

Switch lever spring

47

MSPRT0936AFFJ

AC

N

C

F.Foward lever spring

48

MSPRT0937AFFJ

AB

N

C

F.Foward idler spring

49

MSPRT093BAFFJ

AB

N

C

Rewind botton lever spring

50

MSPRT0939AFFJ

AC

N

C

Play back botton lever sorinll

51

MSPRT0940AFFJ

AB

N

C

Over

stroke spring

52

MSPRT0941AFFJ

AB

N

C

Record botton lever

sorinS/

53

MSPRT0944AFFJ

AB

N

C

Cassette eject combination lever

sprinS/

54

MSPRT0947AFFJ

AB

N

C

Play back idler spring

55

MSPRT094BAFFJ

AB

N

C

F.Foward/rewind idler spring

56

MSPRT0949AFFJ

AB

N

C

Lock lever release spring

57

NBLTK0245AFZZ

AC

N

B

Belt

58

NBLTK0246AFZZ

AD

N B Belt

for

counter

59

NDAiR0171AFSA

AE

N

C

Reel

holder assembly

60 N FLY

COl

0 6 A F Z Z

AH

N

C

Fly

wheel

61

NiDR-00B2AFZZ

AC

N B

F.Foward

Idler

62

NPLYM0072AFZZ

AB

N

C

Motor pully

63

N

PLY

ROD

9 9 A F Z Z

AB

N

C

Intermidate pully

64

NROLV0101AFZZ

AG

N

C

F.Foward/rewind idler assembly

65

NROLW0022AFZZ

AG

N

C

Play back Idler

66

NROLY0051AFZZ

AD

N

C

Pinch roller assembly

67

N S F T T 0 2 0 2 A F F D

AB

N

C

Shaft

for

botton

68

N S F T T 0 2 0 3 A F Z Z

AB

N

C

Stopper shaft

for

botton

69

p

SPA

Z 0 1 1 6 A F Z Z

AA

N

C

Metal

spacer

for

capstan

70

RH E DA

0105

A F Z Z

AF

N B Erase

head

71

RHEDG0063AFZZ

AK

N B Read/write head

72

RMOTV0127AFZZ

AX

N

B Motor

73

LSLVM0158AFFW

AA

N

C

Sleeve

74

MLEVF1494AFFW

AB

N

C

Lever

75

NSFTT0215AFFW

AB

N

C Shaft

76

C P N L C 1 4

lOA

F 0 1

AW

N D Cabinet complete

77

C F T

AC 1 248

A F

01

AP

N

D

Cassette cover assembly

78

GCOVA1364AFSA

AK

N

D Cassette cover (clear cover)

79

GFTAC1248AFSA

AM

N

D Cassette cover

80

MSPRP0345AFFJ

AG

N

C

Cassette holdinll: sorinll:

-9-

MZ·700

[ID

Cassette Unit

NO.

PARTS

CODE

PRICE

NEW

PART

DESCRIPTION

RANK

MARK RANK

81

P C U S F 0 0 1 8 A F 0 0

AB

N

C Cushion

82

HDECZ0063AFSA

AA

N D

Miller

plate

83

HPNLC1410AFSA

AV

N

D Front cabinet

84

MSPRP0327AFFJ

AC

N

C

Cassette take

out

spring

85

PCUSG0204AFOO

AA

N

C

Cushion

86

GiTAU0020AFZZ

AG

N

C

Bottom plate

87

LX

BZ0443AFZZ

AE

N

C

Screw

(L)

88

LX-BZ0444AFZZ

AE

N

C

Screw

(M)

89

LX-BZ0445AFZZ

AE

N

C

•

Screw

(S)

90

PGUMM0157AFOO

AB

N

C

Rubber cushion

91

P

SHE

Z 0 1 2 0 A F Z Z

AE

N

C

Insulator

92

PSHEZ0121AFZZ

AB

N

C

Insulator

93

LHLDW1075AFZZ

AA

N

C

Tie wrap

94 P SHE

Z 0 1 2 3 A F Z Z

AD

N

C

Insulator

100

VHiUPC358C/

1

AF

N

B

IC

lIC3001]

101

VS2SC1652-Q-1

AC

N

B Transistor [

3001]

102

VS2SC2021-R-1

AE

N B Transistor

[

3002]

103

V S 2 S C 2 0 2 1 R 1

AE

N B Transistor

[

3003]

104

V S 2 S C 2 0 2 1

R 1

AE

N B Transistor

[

3004]

105

VHD1S1555V/1G

AD

N B Diode

[D3001

]

106

VHD1S1555V/1G

AD

N B

Diode

[D3002]

107

VHD1S1555V/1G

AD

N B

Diode

[D3003]

108

VHD1S1555V/1G

AD

N B Diode

[D3004]

109

RC-EZB104AF1H

AE

N

C

Capacitor

(O.lIlF

50V

+20%)

[C3003]

110

RC-EZB104AF1H

AE

N

C

Capacitor

(O.lIlF

50V

±20%)

[C3004]

111

RC-EZB104AF1H

AE

N

C

Capacitor

(O.lIlF

50V

±20%)

[C3005]

112

RC

E Z B 2 2 6 A F 0 J

AC

N

C

Capacitor (22JlF 6.3V

±20%)

[C3008]

113

RC

E Z B 1 0 5 A F 1 H

AC

N

C

Capacitor

11lF

50V

+20%)

[C3009]

114

RC-EZT476AFOJ

AC

N

C

Capacitor 471lF 6.3V

+20%)

[C3012]

115

RC-EZB106AFOJ

AD

N

C

Capacitor

10llF

6.3V

+20%)

[C3013]

116

VCKZPU1HF403Z

AA

N

C

Capacitor

0.04JlF 50V

+80

20%)

[C3001 ]

117

V C T Y P U 1 E X 1 0 2 J

AC

N

C

Capacitor (1000pF 25V

±5%)

[C3006]

118

V C T Y P U 1 E X 1 0 2 J

AC

N

C

Capacitor (1000pF 25V

±5%)

[C3007]

119

VRD-PT3AB470J

AA

N

C Resistor1470 1W

±5%)

[R3004]

120

VRD-ST2CD564J

AA

N

C

Resistor (560KO

1/6W

+5%)

[R3007]

121

VRD

S T 2 E E 2 0 5 J

AA

N

C

Resister (2MO

1/4W

+5%)

[R3023]

122

QCNW-1733AFZZ

AK

N

C

Connector 9pin

[CNW3001]

123

QSW-S0303AFZZ

AG

N B Switch [SW3001 ]

124

Q

SW

F

01

7_6 A F

01

AE

N B Switch

[SW3002]

(Unit)

901

KMECAOO45AFZZ

BP

N B Mechanism unit

-10-

[[]

CASSETTE

UNIT

~3

4~

~

1

..

I

.-16

i/'

I

33

11

11

MZ·700

-12-

MZ-700

•

Index

PARTS

CODE

NO.

PRICE

NEW

PART

RANK

MARK

RANK

PARTS

CODE

NO.

PRICE

NEW

PART

RANK

MARK

RANK

[C]

MLEVFI441AFFW

8-

33

AB

N

C

CCABBI005ACZZ

1-

25

AY

N D

MLEVF1442AFZZ

8-

34

AD

N

C

CCABBI006ACZZ

2-

I

AR

N

D

MLEVF1494AFFW

8-

74

AB

N

C

CFTACI248AFOl

8-

77

AP

N

D

MLEVP0417AFFW

8-

35

AA

N

C

CFTATIOOIACZZ

2-

2

AM

N D

MLEVP0418AFFW

8-

36

AB

N

C

CPNLCI410AFOI

8-

76

AW

N

D

MSPRC0350AFFJ

8-

37

AA

N

C

CSFTZI00lACZZ

2-

3

AH

N

E

MSPRC0351AFFJ

8-

38

AA

N

C

[D]

MSPRC0355AFFJ

8-

39

AA

N

C

DSOCN0344PAZZ

6-

4

AF

N

C

MSPRD0453AFFJ

8-

40

AB

N

C

DTiP-0098PAZZ

6-

12

AB

N

C

MSPRD0457AFFJ

8-

41

AB

N

C

DTiP-0099PAZZ

6-

13

AB

N

C

MSPRD0466AFFJ

8-

42

AB

N

C

DUNT-1150ACZZ

1-

2

BM

N

E

MSPRD0467AFFJ

8-

43

AA

N

C

DUNT-1151

ACZZ

1-

3

BN

N E

MSPRP0327AFFJ

8-

84

AC

N

C

DUNTKI152ACZZ

1-

I

**

N

E

MSPRP0331AFFJ

8-

44

AD

N

C

DUNTMI051ACZZ

2-

8

BW

N

E

MSPRP0342AFFJ

8-

45

AA

N

C

[G]

MSPRP0345AFFJ

8-

80

AG

N

C

GCABAI006ACZZ

1-

19

AV

N

D

MSPRT0935AFFJ

8-

46

AB

N

C

GCOVAI364AFSA

8-

78

AK

N D

MSPRT0936AFFJ

8-

47

AC

N

C

GCOVHI002ACZZ

1-

4

AB

N

D

MSPRT0937AFFJ

8-

48

AB

N

C

GFTACI248AFSA

8-

79

AM

N

D

MSPRT0938AFFJ

8-

49

AB

N C

GFTARIOl2ACZZ

l-

IS

AB

N D

MSPRT0939AFFJ

8-

50

AC

N

C

GFTARIOl9ACZZ

I-

S

AB

N D

MSPRT0940AFFJ

8-

51

AB

N

C

GFTARI020ACZZ

1-

6

AB

N D

MSPRT0941AFFJ

8-

52

AB

N

C

GFTATI007ACZZ

1-

26

AP

N D

MSPRT0944AFFJ

8-

53

AB

N

C

GFTATI008ACZZ

1-

27

AP

N

D

MSPRT0947AFFJ

8-

54

AB

N

C

GiTAU0020AFZZ

8-

86

AG

N

C

MSPRT0948AFFJ

8-

55

AB

N

C

GLEGGI020CCZZ

1-

20

AD

D

MSPRT0949AFFJ

8-

56

AB

N

C

[H]

[ N ]

HBDGBI002ACZZ

1-

18

AD

C

NBL

TK0245AFZZ

8-

57

AC

N B

HBDGDIOOIACZZ

1-

21

AB

N

D

NBL

TK0246AFZZ

8-

58

AD

N B

HDECZ0063AFSA

8-

82

AA

N

D

NDAiR0171AFSA

8-

59

AE

N

C

HPNLCI410AFSA

8-

83

AV

N D

NFL

YCO

1 06AFZZ

8-

60

AH

N C

[ ~ ]

NiDR

0082AFZZ

8-

61

AC

N B

JKNBR0204AFSA

8-

I

AB

N

C

NPLYM0072AFZZ

8-

62

AB

N

C

JKNBR0204AFSB

8-

2

AB

N

C

NPLYR0099AFZZ

8-

63

AB

N

C

JKNBZI005ACOI

2-

9

AG

N

C

NROLVOI0IAFZZ

8-

64

AG

N

C

[K]

NROLW0022AFZZ

8-

65

AG

N

C

KCOUBOl38AFZZ

8-

3

AM

N

B

NROLY0051AFZZ

8-

66

AD

N

C

KMECA0045AFZZ

8-

901

BP

N

B

NSFTT0202AFFD

8-

67

AB

N

C

[ L ]

NSFTT0203AFZZ

8-

68

AB

N

C

LANGF0744AFZZ

8-

4

AC

N

C

NSFTT0215AFFW

8-

75

AB

N

C

LANGG0099AFFW

8-

5

AA

N

C

NSFTZI00lACZA

2-

4

AC

N

C

LANGGOIOOAFFW

8-

6

AB

N

C

NSFTZI00lACZB

2-

5

AG

N

C

LANGTI169AFFW

8-

7

AB

N

C

[P]

LANGTI170AFFW

8-

8

AC

N

C

PCOVS0180VAZZ

6-

16

AG

N

C

LANGTII71AFZZ

8-

9

AE

N C PCOVSOl81VAZZ

6-

2

AG

N

C

LBNDJ2003SCZZ

4-

I

AA

C

PCUSFOO18AFOO

8-

81

AB

N C

LBNDKOOl8JBEO

6-

5

AA

C

PCUSG0204AFOO

8-

85

AA

N

C

LBSHCOOl8PAZZ

6-

20

AA

N

C

PCUSSI002ACZZ

1-

8

AA

C

LBSHZ0082AFZZ

8-

10

AC

N

C

PG i DW

1 0 0 1 A C

ZZ

2-

13

AB

N D

LCHSM0424AFZZ

8-

11

AN

N

C

PGUMMOl57AFOO

8-

90

AB

N

C

LCHSMl

0 18ACZZ

1-

7

AY

N C

PGUMS1266CCZZ

1-

16

AA

N

C

LCHSMI

0 04ACZZ

2-

10

AL

N C

PRDAROI05PAZZ

6-

7

AE

N

C

LCHSSOl83AFZZ

8-

12

A F N

C

PRDAROI06PAZZ

6-

6

AE

N

C

LHLDWI075AFZZ

8-

93

AA

N

C

PSHEZ0120AFZZ

8-

91

AE

N C

LHLDZ

I 0 0 2ACLI

2-

11

AC

N

C

PSHEZO

121AFZZ

8-

92

AB

N

C

LHLDZI002ACRI

2-

12

AC

N

C

PSHEZOl23AFZZ

8-

94

AD

N

C

LSLVMOl44AFFW

8-

14

AC

N

C

PSPABI003ACZZ

2-

21

AA

N

C

LSLVM0150AFFW

8-

IS

AA

N

C

PSPAZOl16AFZZ

8-

69

AA

N

C

LSLVMOl58AFFW

8-

73

AA

N

C

PSPAZO

117

AF

ZZ

8-

13

AA

N

C

LX-BZ0436AFFD

8-

17

AA

N

C

PSPAZ0127AFZZ

8-

16

AA

N

C

LX-BZ 0 4 4 3

AF

ZZ

8-

87

AE

N

C

PZETEI005ACZZ

2-

22

AA

N

C

LX-BZ0444AFZZ

8-

88

AE

N

C

PZETiOO15PAZZ

6-

IS

AG

N

C

LX-BZ0445AFZZ

8-

89

AE

N

C

[Q]

LX-BZ0447AFFD

8-

18

AB

N C

QACCB3620QCZZ

3-

87

AL

N C

LX-BZ0449AFFD

8-

19

AB

N C

QACCZ3321QCNl

3-

87

AL

N

C

LX-WZI064AFZZ

8-

20

AB

N C QCNCMI009ACZB

3-

I

AA

C

LX-WZI065AFZZ

8-

21

AB

N

C

QCNCMI009ACZD

3-

2

AB

C

LX-WZI066AFZZ

8-

22

AB

N

C

QCNCMI009ACZL

3-

3

AC

C

[M]

QCNCMI009ACZO

3-

4

AC

C

MLEVFI408AFFW

8-

23

AD

N

C

QCNCMIOI0ACZZ

3-

5

AF

C

MLEVFI414AFFW

8-

24

AC

N C

QCNCMI0I1ACZZ

3-

6

AE

C

MLEVFI419AFFW

8-

25

AC

N C

QCNCMI014ACZZ

4-

3

AD

C

MLEVFI434AFFW

8-

26

AC

N

C

QCNCWI008AC03

3-

89

AC

C

MLEVFI43SAFFW

8-

27

AC

N

C

QCNCWI008AC04

4-

2

AD

C

MLEVFI436AFFW

8-

28

AB

N C QCNCWI012ACZZ

3-

88

AE

N

C

MLEVFI437AFFW

8-

29

AC

N C QCNCWI013ACZZ

3-

7

AC

C

MLEVF1438AFZZ

8-

30

AC

N C

QCNCWI059AC20

3-

8

AF

C

MLEVF1439AFFW

8-

31

AB

N

C

QCNW

1012ACZZ

4-

4

AL

C

MLEVFI440AFZZ

8-

32

AE

N

C

QCNW-I0

13

ACZZ

4-

5

AD

N C

-13-

MZ·700

PARTS

CODE

NO.

PRICE

NEW

PART

RANK

MARK

RANK

PARTS

CODE

NO.

PRICE

NEW

PART

RANK

MARK

RANK

QCNW-1048ACZZ

4-

6

AN

N

C

VCCSPU1HL391J

3-

17

AA

C

QCNW

1049ACZZ

3-

90

AN

N

C

VCCSPU1HL471J

3-

18

AA

C

QCNW

1051ACZZ

4-

7

AF

N

C VCEAAA1CW106Q

3-

32

AB

N

C

QCNW-1733AFZZ

8-

122

AK

N

C

VCEAAA1CW22.6Q

3-

33

AB

C

QFS-COO02PAZZ

6-

10

AD

A

VCEAAA1HW105Q

3-

34

AB

N

C

QFSHAOO01PAZZ

6-

11

AA

C

VCEAAU1AM108M

6-

49

AD

C

QJAKC1013CCZZ

3-

9

AC

C

VCEAAU1AM478M

6-

55

AB

N

C

QSOCAOO03PAZZ

6-

18

AF

C VCEAAU1AW107Q

3-

19

AB

C

QSOCZ6424ACZZ

3-

10

AE

C VCEAAU1AW476Q

4-

17

AC

C

QSOCZ6440ACZZ

4-

9

AG

C VCEAAU1HW105Q

3-

20

AB

C

QSW-COO03PAZZ

6-

17

AK

B

VCEAAU1HW225Q

4-

18

AB

C

QSW-F0176AFOl

8-

124

AE

N B

VCEAAU2GM105M

6-

48

AD

N

C

QSW-K1013ACZZ

1-

9

BH

N

E

VCEAAU2GM336M

6-

46

AH

N

C

QSW-P1009ACZZ

3-

11

AF

N B

VCKYPU1HB102K

3-

35

AA

C

QSW-P1010ACZZ

4-

10

AC

N

C VCKYPU1HB222K

3-

36

AA

C

QSW-P1011ACZZ

4-

11

AD

N

C

VCKYPU1HB682K

6-

54

AA

C

QSW

S0303AFZZ

8-

123

AG

N

B

VCKYPU1NB104Z

6-

53

AB

C

QSW-S1012ACZZ

3-

12

AF

N

B

VCKYPU1NB204Z

6-

51

AB

N

C

QSW-S6683RCZZ

3-

13

AF

N B

VCKYPU30R221K

6-

52

AB

N

C

QTANNOO04PAZZ

6-

19

AD

N

C VCKZPU1HF403Z

8-

116

AA

N

C

QTANS1001ACZZ

1-

28

AB

C

VCQYKU1HM102K

6-

50

AA

N

C

QTANS1002ACZZ

1-

22

AD

N

C

VCQYKU1HM333K

6-

45

AB

C

[ R ]

VCSATA1CE226M

3-

37

AB

N

C

RC-CZ0180PAZZ

6-

44

AH

C VCSATA1CE336M

3-

38

AB

N

C

RC-EZB104AF1H

8-

109

AE

N

C

VCTYPA1NX104M

3-

40

AB

C

1/

8-

110

AE.

N

C VCTYPU1EX102J

8-

117

AC

N

C

1/

8-

111

AE

N

C

1/

8-

118

AC

N

C

RC-EZB105AF1H

8-

113

AC

N

C

VCTYPU1EX103M

3-

39

AB

C

R C-EZ B

106

A F 0 J

8-

115

AD

N

C

VHOOS1588L1

1

3-

41

AB

N

B

.

RC-EZB226AFOJ

8-

112

AC

N

C

VHDDS1588L2

1

4-

19

AB

B

RC

EZT476AFOJ

8-

114

AC

N

C

VHDESAC8204-2

6-

41

AN

N B

RC

QZ0023PAZZ

6-

47

AD

N

C

VHDES1F////-1

6-

39

AC

N

B

RCRS-1007ACZZ

3-

14

AV

N

B

VHDRB156///

1

6-

38

AG

B

RCRSZ1006ACZZ

4-

12

AD

N

C

VH01S1555V/1G

8-

105

AD

N

B

RH-iX0368PAZZ

6-

42

AH

N B

1/

8-

106

AD

N

B

RH-PX0075PAZZ

6-

43

AK

N

B

1/

8-

107

AD

N

B

RHEDA0105AFZZ

8-

70

AF

N

B

1/

8-

108

AD

N

B

RHEDG0063AFZZ

8-

71

AK

N

B

VH01S2076A/

1

6-

40

AB

B

RMOTV0127AFZZ

8-

72

AX

N

B

VHEWZ

1 0

0///-1

4-

20

AG

B

RMPTC4332QCKB

4-

13

AC

C

VHiCD4069B/-1

3-

42

AE

B

RMPTC8103QCKB

3-

15

AD

C

VHiLB1257//-1

4-

21

AM

B

RR-XZOO08PAZZ

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MZ·700

PARTS

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[

0 ]

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N

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7-

11

AA

N

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7-

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N

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7-

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7-

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AB

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7-

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AB

N

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7-

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7-

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7-

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7-

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E

OCF3876A/////

7-

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N

C

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7-

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AT

N

C

-15-

MZ-700

SHARP

* 1

11-185121\0

71931-100

S!MMZ700!lT&1POl

203

-

250887!720g0700Q

SHARP

CORPORATION

Industrial Instrument Group
Reliability & Quality Control Center

Yamatokoriyama.

Nara

639-11. Japan

March 1985

Printed in Japan @