Commodore 1541-II Guida Utente Scaricare il pdf (Pagina 16)

2-5-2.

Equipment

Required

1.

Alignment

standard-use

a

factory

recorded

disk

which

has

not

been

written

to

since

purchase,

or

a

disk

which

has

been

formatted

on

a

VIC-1541

which

is

known

to

be

in

proper

alignment.

2.

Digital

Voltmeter

3.

Video

detector-see

Appendix

A

2-5-3.

Preparation

for

Mechanical

Alignment

(Detailed

disassembly/assembly

instructions

can

be

found

in

the

1541

Maintenance

Manual.)

1.

Remove

all

external

cables

from

VIC-1541

2.

Remove

upper

cover.

3.

Remove

RFI

Shield.

4.

Remove

Disk

Controller

PC

Board.

5.

Remove

Drive

Unit.

6.

Reconnect

Jl

to

PI,

J2

to

P2, J5

to

P5,

J6

to

P6

and

J7

to P7

in

such

a

manner

that

access

is

still

allowed

to

the

stepping

motor

mount

screws

(See

Figure

2-2).

[caution

(

DO

NOT

ALLOW

PATHWORK

ON

DISK

CONTROLLER

PC

BOARD

TO

CONTACT

THE

FRAME

OR

DRIVE

UNIT

ASSEMBLIES.

USE

AN

INSULATING

RUBBER

MAT,

IF

NECESSARY,

TO

INSULATE

THE

DISK

CONTROLLER

PC

BOARD

FROM

THESE

ASSEMBLIES.

7.

Connect

video

detector

between

DVM

and

pins

7

and

8

of

UH7.

8.

Remove

any

Glyptol

or

other

substance

from

stepping

motor

mount

screws

(See

Figure

2-2).

2-5-4.

Head

Alignment

1.

Connect

VIC-20/COMMODORE

64

to

video

monitor

or

TV.

(Refer

to

computer

User's

Guide

for

proper

connection.)

2.

Connect

serial

bus

cable

between

P3

on

VIC-1541

and

serial

bus

connector

on

VIC-20/COMMODORE

64.

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