Sharp MZ-80SFD Bedienungsanleitung PDF herunterladen (Seite 14)

• Error

chart

for disk system

Error code

[Error message]

Contents

Check item and corrective action

50

1)

Drive fails

to

be ready.

[NO READY] a Diskette

is

wrongly inserted.

a Fit diskette in correctly.

a Motor does not normally run.

a Check belt and/or drive

motor

assembly.

a Index detection circuit

is

improper.

a Check index lamp, drive

PWB,

index sensor.

a Flat cable

is

improperly fit

in

or

broken.

a Check flat cable.

a

No

select signal comes

at

drive.

a Check floppy disk I/O card.

a Drive unit door (front door)

is

not

a Close front door.

closed.

a Diskette

is

faulty. a Replace diskette.

a Write operation

is

attempted

in

write

protect state.

54

1)

Drive

[UNFORMAT] a Head position

is

not

aligned. a

Replace drive unit.

(off-track state)

a Head and amp. circuit are defective.

a

Replace drive unit and/or drive

PWB

unit.

2) Diskette

a Diskette not formatted

is

in

use.

o Initialize again, or replace diskette

a CRC error

in

10

field.

a 10 field

is

broken down.

41

1)

Drive

[DISK DATA

a SEEK error

a Check drive unit and diskette

ERROR]

Replace,

if

required.

a Head shift

is

improper.

a Replace drive unit.

2) Diskette

a CRC error

in

data field.

a Data field

is

broken down.

iO

Initialize again,

or

replace diskette.

a 10 field

is

defective.

a Data mark detection error.

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