Sharp MZ-80SFD Service Manual

SHARP

SERVICE

MANUAL

PDSMX81014-MZ

Single Floppy Disk

MZ-80SFD

FEATURES

• High

•

• Simultaneous reading and execution

•

• Expanding up

speed

reading and

Easy

deletion and additionofprograms.

Linking

programsby"CHAIN,

to

writingofdata and programs.

four

drivesbyone

SWAP"

SHARP

of

programby"RUN" command.

I/O

card.

command.

CORPORATION

------------Contents--------~'\

Specifications 1

of

Constitution Operational principle

Inspection and replacement Trouble shooting guide Power supply Circuit diagram and printed wiring board 15

Packing method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Disassembled views ' . . . . . . . . . . . . . . . . ...21

Replacement parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

single floppy 1

of

floppy disk " 2

of

section.

disk drive main parts . . . . . . . . . . . . . . . . . . . . . . . . .

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

..

11

13

20

23

6

II

r$PE.qlf1t"iiO~$

I ·General specification.

(a

humidity

out

prior such partially

Specification

maximumoffour

(freeofmoisture condensation)

notice

cases,

items mentioned above may be

different

drives)

for

product improvement. In

from

the product.

to

change

--_.

--

---

with-

---_._-

------

--

Item

--

-----

AC

220V

AC

240V ±

DC 12V DC5V

-

± 10%, 50Hz

10%.

50Hz

Daisy-chain system

5.25-inch both-sides flexible disk Double

Soft 280K

140K AC

AC 30W

5 20

Approx. 4

or

single density

sectored

bytes/driveat16 sectors/track (double density) bytes/drive at 16 sectors/track (single density)

220V

± 10%, 50Hz

240V

± 10%, 50Hz

to

25°C in temperature

to

80% in

165 (W) x 102 (H) x 323 (D) mm

kg

* Specifications and design subject

1

>------

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

1----

• Power supply section specifications

Drive-to-drive connection Recording medium Recording Numberoftracks 70 tracks Sector Formatted capacity

Power supply

Power Consumption

----

~._-----~---_._--

Operating conditions

External dimensions Weight

Item Specification

Input

Output

{CONSTITUTION

• Constitution and Block Diagram

MZ-80SFDisconstitutedbyfloppy unit.

Its

floppy

disk driveisthe

sameasthe drives

Floppy

disk

OF

disk drive

drive

SINGLE

unit,

control

used

for

MZ-80FD/MZ-SOFDK/MZ-80FB/MZ.SOFBK.

[

r--

-

Block diagram

FLOPPY

PWB

unit,

terminal resistor

Power supply

Terminal resistor

Control

circuit

PWB

unit

and power supply

-1-

_O_P_E_R_AT_I_O_NA_L_PR_I_N_CI_P_LE_O_F_F_LO_P_P_···.·y_·.····O..:....-.'

The

floppy diskisdesignedtorotate "diskette," and write in dataathigh speeds

a magnetic disk storage unit,toread

the

by

bringing the

so-called

out

in

direct

magnetic head sector of 70 tracks formed in diskette.

contact

...........

$Kw...···

••.

>............... J

witb a specifil!d track

both

surfacesofthe

1. Fundamental block diagram

Read

Write Write gate

Write

protect

data

Head select

data

Read circuit

Drive select

Write circuit

Write la,*/'

Operation .

d'

In

Icator

/'

0'

-~~

protectr"··"

)-1

(}--:":":'..,..-----""'1'---------.

Write

./

protect

senso!",

,/

,-!lr

IndeX~-'l'--

sen_s~:JJJ'

~

Head load-

.

.,

actuator

I

--'

__

Direction •

Track

...

..,;D~r;;;;iv;.;.e;..s::.,;el;.;.e-ct--f

Head select

Motor

2. Mechanism explanation

This device consists mainly mechanisms.

1)

Read/write head The head spring. diskette easily.

Signals read through FPC (Flexible Printed Cable)tothe amp. circuit.

2) Carriage assembly 2 units of read/write head are carriage. The carriageislocated with motor

3)

Head locating mechanism This mechanism using stepping ball/V -groove system. The type.

One pulse of by

15

L..-

track.

is

The

and lead screw.

is

a high-precision, reliable head locating

stepping

0

, thus pushing forward

1.-..--..----,...-'

Head select Head load • •

s_t_e;..p

__

--.1,.......L--L--L..,I-

Index

00

ON

attachedtothe

head can follow

out

motorisof

step

Control

of

the

signal causes a 2-step

circuit

of

arm

head are

mounted

motor

and screw-driven

7.5°/pulse, steel

the

through

the

transmitted

the

head

Index

I~

Motor

1-

__

following

a leaf

motion

read

on

stepping

plate

rotation by

one

ON

-,

of

the

,I

. .

~.

Rea1/write~"""

~d

Diskette

Motor control

circuit

41

Diskette driving mechanism A small-sized employed. The through

hub, thereby causing spindle pulley check

5) Head load mechanism This

into

the

._~

•

..".

~:I:

\t==:INIJ.-1IlrJ

'.

DC

motor

the

drive belt, spindle pulley and spindle

is

provided with a stroboscope

rotation interval.

is

a mechanism in which

contact

head load actuator.

with

.

the

with tacho-generator

rotation

rotationofthe

diskette. Itisoperated

is

transmitted

diskette. This

the

headisbrought

~

__

~

to

by

is

_

-2-

6)

Write protect detection section A luminous diode and a photo-transistor are used to detect write jacket. (Writing

protect

is

notchofthe diskette and

not

possible when

the

notch

covered with labeL)

Center

hole

Label area

Write protect

notch

3. Interface

1) Interface signal

All

lines areofTTL (transistor-transistor logic).

is

(1) Input signals

of

For input signals there are 10 kinds

input lines,

allofwhich are validatlow levels. These signal

lines are terminated resistor fittedinthe signal voltage levels are

High

level

Low level

Invalid 2.4to5.25V

I

Valid o

I

Input impedance

a 150-ohm

IC

socketofdrive1.The

as

follows.

to

OAV

Pull-up

to5Vat

int~rated

150-ohm

at

resistor

Head

window

Description

7)

Index detection section

This section consists

phototransistor. An index hole

Index

hole

of

diskette parts

of

a luminous diode and a

of

the

diskette

detected by this sectiontodetermine the starting

point

of

a track.

8) Track00 detection section

is

A carriage position

the

When track

9)

Control electronics section

carriage has reached the track00point,

00

signalisemitted.

The electric circuit composed of 2 sheetsofPWB.

DC

the control

motor

other functions with respect load, and

other

detected with a limit switch.

to

control each mechanism

Oneisto

control circuit. The

otheristo

circuits, say, detection and other

to

read/write, step, head

signals.

10) Diskette protect mechanism the

Shutting pletely set in, can give damage

shortening its life-time. back, this mechanism has been adopted so front door

front door, with the diskette incom-

to

the

diskette, thus

To

prevent such a draw-

that

connot

be closed if

the

diskette

improperly in.

control

the

CD

Drive select signals (0

MZ-80SFDisconnectable up

is

These signals are used the

four drive units.

At low levels of drive select signal,

to

3)

to

4 units.

to

select a desired one of

RIW

head

is

loadedtocause the operation indicatortolight up.

Note) The drive requires

to

switch

is

thru 4).

@ Motor

meet the position of use (Drive No. 1

ON

signal The drive motor starts when comes low. This signal

2 seconds after completion

to

be set with a drive select

the

signal level be-

level

becomes high about

of

all operations,

if

no operationiscommanded next. It thus inter-

the

rupts

motor, extending the service life

of

motor.

@ Direction select signal

The signal direction

is

input.

High

Low

@Step

signal This signal direction designated by the direction select signal. The operation from low levels

is

given

to

of

RIWhead, when the

level- - .

Out

direction (to diskette

designate

the

step

portion)

level

- - -INdirection (to diskette center)

is

giventomove the

is

doneinthe

to

high levels.

RNoJ

courseofchanging

shifting

pulse

outer

headinthe

is

-3-

®Write data signal

is

This signal

Each time changing high levels

current flowing in writeindata This write-in performance gate signal

@Write gate signal

This signal being

on

the

sequential

(j) Side 1 select signal

This signal

double-face headofside 0 and high levels and low levels, respectively.

usedtowriteindataonthe

the

RIW

bit.

is

isatlow levels.

at

low levels,

diskette.

operation

is

diskettetoreadorwrite. The

At

high levels, read-out

may be made.

given

to

decide which sideofa

thatofside 1 are selected

diskette.

to

low levels,

headisreversed

available when write

data

can be written

the

RIW

to

or

at

(2)

Output

There are

CD

Index signal

By can disketteisdetected fed from

Usually, this signal level becomes low each time

the hole

leading edge

of

@Track00signal

The low-level state the

outermost trackJ.

In high levels. When at signal however, By adding still motor phaseisreturnedtocause track00signal to

signals

the

following four kindsofoutput

this signal the. starting positionofeach track

be detected. Each time

with

the

drive unit.

is

detectedathigh levels. Therefore, the

of

the

signal indicates

a track.

of

RIW

headislocatedattrack00position (the

any position

the RIW headisat

the position by

to

become low.

other

than

the

step

outside

the

track00signal level becomes high.

another

signaltostep outside,

the

index hole

the

detector,

this signal signifies

track

00,

stopper evenifanother

is

given. At this time,

the

beginning

DO,

the

signalisat

the headisheld

signal.

track

that

the

of

@ Write protect signal

is

This signal protect for the diskette diskette with write becomes low.

In

is

usual operation, a diskette with write protect enables to protect write statement within drive.

.~

Read data signal

The signal diskette. Usually it

detection it comes

usedtodetect

protectisin,

is

giventotransfer

isathigh levels, while during

downtolow levels.

whetherornot

is

provided. When a

the

signal level

data

read from the

write

the

-4-

3) Timing

~\

DC

POWER

MOTOR

ON

DRIVE SELECT

VALID AND WRT

OUTPUT

SIDE ONE

WRITE

TR

VALID

INDEX

DIRECTIO

SELECT

STEP

SELECT

WRITE GATE

DATA

-

KOO

PRT

N

-

--

....

1s

I-

-100ms

I--Soons

I

MAX--j

1J,Ls

MI~

1J,LS

-MIN

-

\

~

....

t:::j

MIN

MAX

~soons

~

4

1--1J,LS

-

MAX

--

MIN

'---

~~

20ms

MIN

10ms

MIN

--

-

..

SOms

MIN

1sec

MIN

~1tlsMIN

1:=35m.

100J,LS

-aJ,Ls

--

'd

~~

((

II

1/

II

u

II

{{

I}

MIN

({

II

MAX

"

II

1000J,Ls

1000tlsMIN

I

MIN-

-

1

[

-

100J,Ls

-~

if-

--1

VALID

READ DATA

2) Power supply unit interface

Specified supply voltageofDCSV/DC 12Visfed from the power supply control

PWB.

50ms

1sec

MIN

~

\

~

VALID

Control and data timing

-S-

MIN

3Sms

MIN~

100J,Ls

!--1000tlSMIN

VALID

I

unittothe J2 connectorofdrive

1

MIN-I--

I

VALID

1. Belt

1) Inspeetion to

see if

the

Check Also make sure

beltisstained with

that

scratch and thinned part.

2)

Replacement

1)

Take

the

belt

off

the

pulley graduallybyhand.

2) For applying the belt, motor rotating

pulley and

the

thenonthe spindle pulley while

spindle pulley.

Note)

1.Inputtingonand be

not

caughtbythe

2. Note

that

off

motor

thereisno

sidesofa new belt.

~

dustordirt.

there·isno

unevenness,

spindle pulley while rotating

put

the

belt, be careful so

belt first on

the

that

pulley flange.

difference between

Motor

pullev

Keep

belt

off

the flange.

both

2.

PWB

unit

1)

Replacement

1) Take connectors

2) Remove 3

3) Detach

PWB

4) For reassembly, take

Note)

In

replacing

which short pins

J3

andJ4off

PWB

unit fixing screws (3 mm).

unit.

the

reverse order.

PWB

unit, itisnecessarytocheck

to

cut

and

PWB.

whether

or

not

terminal resistorisrequired, depending on which

to

drive unit

Short

•

it

use (DRIVE No.).

pin: Detach

PWB

unit·

the

short pins from

and apply

them

to

the

a new

old

PWB.

• Terminal resistor:

If

the

old

PWB

unit

has no

terminal resistor, remove terminal

PWB.

fixing

3 pes.

,...--'0-----=--1

unit

J2

connector

(power)

J3

connector

J1

signa'

connector

J4

connector

resistor from a new

PWB

unit

screw(3mm):

PWB

Socket

-6-

3. Index lamp assembly

1) Inspeetion

CD

Connect power sockettoconnector J2ofPWB unit. Turn power on.

®

Make

sure

that

thereisa voltage rangeofDC1to

1.7V between pin from power socket) and the 11th pin from power socket), both belonging to

connector J3.

B-11

(lower white lead of the 11th

A-11

(black lead

of

2) Replacement

CD

Remove

® Disconnect 2 lead wires

from the housingofconnector J3.

@

Cut

lamp assembly (be careful

wires), and open

@)

Take lead wires off the guide groove of carrier, and draw and fingers.

®

To

® Carry

left.

Index

lamp

PWB

unit (refertopage 6).

of

index lamp assembly

off the tie band fixing lead wiresofindex

nottodamage lead

the

front door.

out

the index lamp assembly with tweezers

attach, take

out

assembly

the

reverse order.

inspection, referringtodescription at

Note)

When

attaching carrier, fit the housing and time.

the

index lamp assemblytothe

LEDinat

the same

-0

-7-

4.

Media guide l assembly (with write

1) Inspection

ill

Connect power sockettoconnectorJ2of unit. Turn power on.

@ Before inserting a diskette, check

items.

a)

Write protect lamp Make sure to

1.7V between 13th pin from power socket) and A-13 (black leadofthe belongingtoconnector J3.

b) Write protect sensor

Make

to

O.5V

14th pin from power socket) and A-14 (black

leadofthe belongingtoconnector J3.

that

thereisa voltage rangeofDC

B-13

(lower yellow leadofthe

13th pin from power socket), both

sure

that

thereisa voltage rangeofDC

between

B-14

(orange lead below the

14th pin from power socket), both

the

@ Put a write protect diskette (with write

seal being applied at the write protect notch of diskette)inplace, and shut the check

the

following item.

• Write protect sensor Make

sure

that

thereisa voltage rangeofDC

2.5

to

5.25V between 8-14 and A-14

connector J3.

front

door. Then

protect

PWB

following

protect

of

sensor lamp)

1

0

2) Replacement

CD

Remove

PWB

unit (refertopage 6).

@ Open the front door.

@ Detach 4 lead wires

from the housing of connector J3.

of

media guide L assembly

@ Remove 2 media guide L assembly fixing screws

(3

mm) and take

out

the assembly.

@ To attach, take the reverse order.

® Carry

Note)

1. Attach the media guide L assembly by pushing it

2.

out

inspection, referring

left.

to

main frame stopper side and front bezel side.

Lamp and sensor cannot be individually replaced, because they are built assembly.

to

description at

in

the

media guide L

Push

Media

guide

L assembly fixing screw

Media

guideLassembly

Main

frame

stopper

Write

protect

Front

lamp

bezel

-8-

5. Operation indicator

1) Inspection

CD

Connect power sockettoconnectorJ2of

PWB

unit and turn power on.

(Z;

Let drive select 0ofinterface signals beatlow levels (make a short between J1·B terminal

and

PWB

Ground). and make short pin circuit shorted. (Do Note

that

the voltage range between connector

J3·B10 (red lead of socket) and J

pin from power socektl will be

the lamp

2)

Replacement

CD

Remove

is

PWB

lit.

not

prolong this test.)

the

10th pin from power

3-A

10 (upper black leadofthe 10th

DC1to

unit (refertopage 14).

of

PWB DSO

2V when

@ Datach 2 lead wires of operation indicator from

the

housingofconnector J3, and take lead wires

outofthe

CID

Open

@)

Remove 2 front bezel fixing screws (3 mm) and

the front bezel itself by pulling it forward.

@)

Draw

direction. Take

right.)

@ Draw

take the reverse order. .

(j) Carry

instruction.

wire holder.

the

front door.

out

the

holder 2 with tweezersinthe

out

LED

outofthe

out

inspection, referring

LED

holder. (See the sketch

LED

holder. To assemble,

to

the above

arrow

Front

bezel

LED

holder

Pull-out

direction

at

Note:

1.

Attach the

front

bezel assembly, by pushing it

to main frame side and main frame stopper. (See the sketch below.)

2.

Do not pull up the carrier with fingers, otherwise

excessive force

is

appliedtothe

head arm.

Main frame side

Front

bezel

Front

door

-9-

Main frame stopper

1)'

Push

Main frame side

Front

bezel

fixing

screw

6.

Drive

11

Inspection

<!>

Connect _

"";t.

(%ll.ed

lmab

_

motor

T

....

in,

..

.01'>

PW8

assembly

__

face

mol..ON .i!lnols be

...

bel',,""

Groundl

>ocr..,

Oft.

JI·16

and

IDe

'0

cannectot

l......

run

mOlor

iNf

tIM

mol

and

n

of

a,

low ....e/s

0'

PW8

...

100

mOlor

PWB

uni,

....

,

cortl.al

PV/e

21

<D

<2>

<:p

unill

Rtplocemonl

R

....

Put

Cu.

_

d

.....

.-

off

1M

olf

tIM

mol<><

lead

PWB

""il.

bfoIl.

,iI

bind

eont.....

.....

CR.'

...

to

lR,I..10 _

I

..

fi

.....

fIWB

pogo

unit.

6,1

Iud

lk

6.1

wi

...

_,lui

of

......t

nol

..

to

prolong

<])

Pul.

@

amy

(8)

Make

•

pindl.

Note)

The

oIIiftiflll

to 1.5 pc;..M.

,his

dish".

on

hod

.ur.

pulley

,-.1

'11"

,ata

I"'"

In

p1_

load.

III.

.ppo

olwol>oplale

and

moboplate

...

10

V.._-",_

__

clme

be

.tationary.

is

...

1M I<on,

attaclled

allowflj to

_01

......

<100<.

on

be

_'

.........6.....

IIII'

""

<!>

A_

<:on1r01

ing

tID

R.m"".

13

Ootacll 'rom

@}

For

CV

Catty cu,

"".

P\W

of

""""oct

2

mml

ar>d

the

Ih.

mlin

auernbly.

3

Iud

u

J3.

met

2

DC

meto,

frame.

tak.

insI>ection.

.ir........,..,.'"

10

conntlC<Of

tontrol

motor

tho

and

,,,,,er.

PWB

fixing

molD'

,.,.ttinll

t......

JJ_lrom

Unil

fixing ocrew.

OC'I'WO13mml

oontrel

ord.,.

to

....."iption

tM

1M

PWB

motor

I>ooJs.

.

unit

al

No•• l

In

.pl""I.

be

mOlJnlI~

pull.y

73

.iOA

'III'

mm"'III<Iwn

DC

mOlD'.

and mOtor pulley

abo

til.

••.

dl.tl~

.hould

be kept to

bet,veon

_10_

3f

Adju.'mon,

Q)

Alto,

Idiu"

unit

p1llely

,h.

cOmpletion

the

...

'"

,hal

Ilatio"",y

ilbl.,••

'1>0

ltroboplat.

of

i"",

th.

lbo

••

0'

molD! controf

appe_l

chock ilom

PWB

10 be

tom·

•.

[

TROUBLE

SHOOTING

Startofdisk system

GUIDE

Yes

~--------'~

Yes

No

End

• Check by replacing several sheetsofdiskettetosee if errors occur duetofaulty diskette (data deterioration caused by foreign matters, deformation, wear-out, damage, magnetism, etc.).

• Troubles

• Replace suspected parts

• The signal circuits of floppy disk and I/O card operate at TTL levels of micro-computer peripheral devices for MZ-80 series

+5.25V).

• The disk drive needs a it must be expanded.

in

disk system often cause error messages. Trace the cause from the contents of error message.

in

the disk system with normal ones. Check again the trouble section.

1)

Personal computer

2) Interface unit or expansion port

3) I/O card

4) Diskette

5)

Signal cable

6) Disk drive

RAM

areaofmore 36K bytes.Ifthe

Check repair procedure for power supply section. (See pages

Trace

of

to

seeifsignal levels are

13 and

14.1

the

cause from

error

message. (See page

OV,

+5V. Connect any system other than

RAM

areaofyour machineisless than 36K bytes,

the

contents

12.1

out

of the range of 0

to

+5V (max.

-11-

• Error

chart

for disk system

Error code

[Error message]

1)

50

[NO READY] a Diskette

Drive fails

to

is

a Motor does not normally run. a Index detection circuit a Flat cable a

No

is

select signal comesatdrive.

a Drive unit door (front door)

closed.

a Diskette

is

a Write operation

protect state.

1)

54

[UNFORMAT] a Head position

Drive

(off-track state)

a Head and amp. circuit are defective.

2) Diskette

a Diskette not formatted

41

[DISK DATA

ERROR]

a CRC error

a 10 field

1)

Drive

a SEEK error a Head shift

in10field.

is

broken down.

is

Contents

be ready.

wrongly inserted.

Check item and corrective action

a Fit diskette in correctly. a Check belt and/or drive

is

improper.

improperly fitinor

broken.

a Check index lamp, drive a Check flat cable. a Check floppy disk I/O card.

is

not

faulty. a Replace diskette.

is

attemptedinwrite

is

not

aligned. a

isinuse.

a Close front door.

Replace drive unit.

Replace drive unit and/or drive

a

o Initialize again, or replace diskette

a Check drive unit and diskette

Replace,ifrequired.

improper.

a Replace drive unit.

motor

PWB,

assembly. index sensor.

PWB

unit.

2) Diskette

a CRC error a Data field a 10 field

in

data field.

is

broken down.

is

defective.

a Data mark detection error.

iO

Initialize again,orreplace diskette.

-12-

!

POWER

Block DiagramofPower Supply Section

supplv

SEcnON

.---

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AC

INPUT

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..

~

c

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t--

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IC301.

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of

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1

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1

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+12

...-<>

+5

v

G

~

v

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IC301.

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0302

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I

22V

24~s

4(j~s

-13-

•

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Shooting Chart

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~

Is

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220V

(240V

V~

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Is

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present across

red lead

20V

the

of

n01

7

Nrl

I.-

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developed.

n01.

output

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socket,

AC

switch

N~

terminal.

AC

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COrdi

F101,

F102

and

C101.

n01

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0201

~

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appear

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r---

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does

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11ofIC201.

output

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and

parts.

switching

its

V~

present across

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Is

there AC present across yellow leadofT101 7

14V

the

n

L-

Is

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V~

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not

developed.

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n01.

thereDC14V

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C302?

.--

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chart

appear

collectorofQ2027

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chart

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03027

in

0301.

of

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the

t---

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~

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r-

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does

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11ofIC301.

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and

C309, C310.

and

~

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a.

2SC2901

1 2

1-5

1....-...J

MB'430'

'8

20

11

~

7K

PIN.

CP

DLIRD

7

"'--.+------'

cc

GND

RM

121

b________

8

(INDEX

..

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8

18T+

9T_

7l1r-

2~OO'

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{AOY)

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C15

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9 I

10

R10 18K

2 10

1

.Jr.

1/11

Rll

820

15 14

LS123

-r_

10

3

-

-+5V

:*Cl0

T 1QOp

22

;;:

1;'3:.2.....

0

1-_~L...:R~~U2~A:J)--{-J

nir

'-------------------------'

9

+12V..,-L_--;=

---=-'I;C

2

R13

9.1K

7

(IDS)

(RD)

452

"l

6

LS123

'D

11

C16

22Op.

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HEAD

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FR

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GROUND

LOAD

DATA

E

11

+5V

RET

..:::J2,,3e-

b

I

T_"______

-17-

a.olp

x 4

.------"l

+SV

niT

41K

-18-

A

B c D

E F

G

H

1 • Disk Drive

2

3

J4

PWB

(Reference diagram)

4

5

6

7

B

",~,i,~,~",.~.~;

I

, "

Il>,•••

"c'

:

C'

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ill

to

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9

10

11

Penpective View

[::=I

c=J

Parts·fitted face

Opposite side

-19-

I

rPACKING

METHOO---------

Packing

Add.

(SPAKA0078PAZZ)

(TiNSE0040PAZZ) Instruction (SSAKH0021PAZZ)

l

lnstruction

AC. Cord (OACCKOO50AFZZ) (OACCBOOO1

Manual (English) Manual Sack

PAZZ

.

l

Label-O------~~""-

(TLBH0002PAZZ)

Sack (SSAKH0016PAZZ)

.....

)

for

U.K., SESA

Drive

Number

(TLABZOO29PAZZ) (TLABZ0033PAZZ) (TLABZ0034PAZZ)

(TLABZOO35PAZr~

Terminal Resistor / J

(RR-KZ0056PAZZ)

Label\

8)

B

Packing

Add.

(SPAKAOO79PAZZ)

Packing (SPAKA0035PAZZ)

~

Sack

I

(SSAKH0013PAZZ)

Add.

Packing

(SPAKC0212PAZZ)

Case

Packing

Add.

(SPAKA0035PAZZ)

-20-

REPLACEMENT PARTS LIST

To

have

NOTES:

Be

suretouse

portant and performance

for

MODEL

PART

REF. NO.

NO.

* * * POWER SUPPLY

OBOXOO039PAZZ

INTEGRATED CIRCUITS

IC201 } IC301

TRANSISTORS

0201 } 0301

0202 0302

0201 } 0301

0202

0203 0302 0303

RH·iX0275PAZZ

VS2SA770·Y/·l

}

VS2SA673·C/l

VHOS2VBlO//·1

VHOERB81·004/

1

AND

DIODES

E

"HOW

your order filled promptly

1.

MODEL NAME

3.

PART NO.

regular Darts

maintilining

of

the set.

for

the

safetyofthe

securing the safety and

MZ-80SFD

DESCRIPTION

UNIT

SECTION * * *

Assembled Power Supply

(for

220V,

(Not

TL494CN

2SA770Y

2SA673C

S2VS10

ERB81-004

(or

240V)

replacement item)

VHORK14////·1l

TO

ORDER REPLACEMENT PARTS"

and

correctly.

set.Besuretoreplace these parts

CODE

please

furnish the following information.

2.

REF. NO.

4.

DESCRIPTION

reliabilityofthe set. Parts marked

REF. NO.

PART

with

NO.

CAPACITORS

Unit

AP

AH

AC

AG

""'Cl0l &Cl02

C201 C301

C202 } C203

C204 C304

C205 C206 }

C306 C207 }

C307 C208}

C209 C308

C302 } C303 C305

C309 } C310

}

RC·CZOl80PAZZ

}

RC·OZOO03PAZZ

VCEAAU1VM108M

}

VCOYKU1HM102K VCEAAU

VCEAAU1VM336M

VCKYPU1NB104Z

VCOYKU1HM183K

VCEAAU1EM108M VCEAAUOJM338M

VCOYKU1HM103K

1CM228M 2,200MFO,

specified ones

0.047MFD,

O.lMFO.

l,OOOMFO,35V,

O.OOlMFO,

33MFO,

O.lMFO,

0.018MFO,

l,OOOMFO,

3,300MFO, O.OlMFO,

with"

"'"..( ) are im·

for

maintaining the safety

DESCRIPTION

260V,

100V,

50V, 16V,

35V,

12V, Ceramic

50V,

25V,

6.3V,

50V,

Film

Aluminum

Film Aluminum

Aluminum

Film

Aluminum

Film

CODE

AH

AB

AE

AA AE

AS

AD AF

AB

RESISTORS

R201 } R301

R202

R203

R209 R302 R303 R309

R204

R205} R305

R206 }

R306 R207 }

R307 R208}

R308 R210 }

R310 R211

R212 }

R312 R304 R311

VR201} VR301

VRO·RU2EE101J

VRO·RU2EE272J

1

VRO·ST2EF222J VRO·RU2EE473J

VRO·ST2EF472J

VRO·RU2EE472J

VRO·RU2EE474J

VRO·RU2EE332J VRO·RU2EE

VRW·KT300Rl0K VRO·RU2EE222J

VRO·RU2EE392J RVR·M0010PAZZ

153J

100

ohm,

1/4W

2.7K

ohm,

1/4W

2.2K

ohm,

1/4W

47K

ohm,

1/4W

4.7K

ohm,

1/4W

4.7K

ohm,

1/4W

470K

ohm,

1/4W

3.3K

ohm,

1/4W

15K

ohm,

1/4W

0..1

ohm,

2W

2.2K

ohm, ohm,

1/4W 1/4W

3.9K Variable Resistor 1K

ohm

TRANSFORMER

&T101

AA

&llOl

L201} L301

AA

MISCEllANEOUS

S0101

AA

iliSW101

AA

41"101 &Fl02

AA

AA AA

AC

MISCELLANEOUS

AA AA

CNl

AC

AND

COILS

RTRNP0069PAZl

RTRNZOOO51'AlZ RTRNZOO07PAZZ

OS~AOOO3PAtZ

OSW-COOO3PAZZ

}

OFS.cOOOl OFSHAOOOl

1

OSOCN0165PAZZ

2

LANGOO037PAZZ

3

PROAR0059PAZZ

* *

...

OPWB·0254PAZZ

OSOCN0166PAZZ

PAll

PAZZ

CONTROL

Power Supply Transformer

(for

220V,

240VJ

Line

COil

Choke Coil

Appliance AC,

Fuse,T315mA Fuse

4·Pin Socket AC, Switch, Radiator

PWB

Assembled

(Not

37·Pin Connecter

Flat

Inlet

Switch

Holder

with

Inlet

UNIT

SECTION

Control

replacement item)

Cable

Lead Wire

Fixing

* * *

PWB

with