manuais Apple LC520

Apple LC520 Especificações (74 páginas)

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Índice

Macintosh LC 520 Computer

1

Chapter 5

5

Appendix

5

Figures and Tables

7

About This Note

9

PREFACE

10

Typographical Conventions 0

11

Standard Abbreviations 0

11

Introduction 1

13

Summary of Features 1

14

Integrated Design 1

15

Built-in Color Display 1

16

Screen Control Pushbuttons 1

17

Power On and Off 1

18

Power Saver 1

19

RAM Expansion 1

20

Introduction

21

RAM Expansion 9

21

PDS Expansion Slot 1

22

SCSI Bus 1

22

CHAPTER 1

23

Serial I/O Ports 1

25

Keyboard 1

28

Architecture 2

31

Block Diagram 2

32

Architecture

33

Block Diagram 21

33

Figure 2-1 Block diagram

33

Combo Custom IC 2

34

Cuda ADB Controller 2

34

Sound Circuits 2

34

Address Map 2

35

24 Address Map

36

Video Display Timing 2

37

26 Video Display Timing

38

Video Display Timing 27

39

Parameter Value

39

28 Video Display Timing

40

Expansion 3

41

Expansion Slot 3

42

Expansion

43

Expansion Slot 31

43

Descriptions of the Signals 3

44

CHAPTER 3

45

Expansion Card Connectors 3

47

The PDS Expansion Card

48

Voltage Current

48

Software 4

49

ROM Software 4

50

One-Second Interrupt 4

51

Pushbutton Interrupts 4

51

Power Saver Software 4

51

Video Software 4

51

System Software 4

52

Sound Control Panel 4

53

The Screen Driver 4

54

Control 4

55

Status 4

56

Internal Storage Devices 5

57

Internal Storage Devices

58

Storage Device Slide-In Bays

58

Front Drive Bezel 5

59

Internal CD-ROM Drive 5

60

Internal CD-ROM Drive 49

61

Power for the CD-ROM Drive 5

62

Internal CD-ROM Integration 5

63

AppleCD 300i Speciﬁcations A

65

AppleCD 300i Speciﬁcations

66

Speciﬁcations

66

V, W, X, Y, Z

68

Foldouts 6

70

062-0487-B

72

Apple LC520 Especificações (64 páginas)

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Índice

Getting Started

1

Contents

2

Important

3

K Apple Computer, Inc

5

Setting Up

6

Plugging in the computer

7

ADB port

8

This icon is on both

8

Power key

9

Main power

9

Problems starting up?

11

Safety instructions

12

Musculoskeletal discomfort

13

Eye fatigue

14

Arranging your office

15

What’s next?

16

Learning the Basics

17

Turning on the computer

22

Your Computer at a Glance

23

≤ Power plug

24

Using Your Macintosh LC 520

25

Using the Sound control panel

26

Built-in

27

Saving energy

28

Click here to

29

Installing an expansion card

30

Macintosh LC 520

35

Starting up your computer

35

The AppleCD 300i drive

36

Types of discs you can use

37

Care and handling

38

Press here

41

Ejecting a disc

43

Play/Pause

45

Next and Previous Track

45

Working with Photo CD images

46

Obtaining Photo CD discs

47

Viewing one image at a time

50

Copying and pasting an image

57

Problems starting up

58

Problems using CD-ROM discs

60

Problems playing audio CDs

61

Problems using Photo CD discs

62

The Apple Publishing System

63

Apple Computer, Inc

64

Apple LC520 Especificações (176 páginas)

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Índice

Macintosh LC 520/550/575

1

Service Source

2

Macintosh LC 520, 550, 575

2

Product Information

4

Compatibility Notes

5

Disk Storage

10

I/O Interfaces

11

Communications

12

Slot (LC 575)

12

I/O Devices

13

Sound and Video

14

Electrical

15

Environmental

17

Troubleshooting

18

Symptom Charts

20

Floppy Drive

26

Hard Drive

29

CD-ROM Drive

30

Peripheral

31

Miscellaneous

34

Take Apart

37

Rear Housing

38

Take Apart Fan - 5

42

Push out the two latches and

42

Analog Board

43

Take Apart Analog Board - 8

45

2 Disconnect the internal

45

Retainer

46

I/O Door

49

Take Apart Logic Board - 15

52

Pull out the logic board

52

Drive Bezel

53

Take Apart Floppy Drive - 20

57

Push down the latch and pull

57

Macintosh LC 520

58

Auto-inject Floppy

58

Auto-inject

59

Drive Carrier

59

CD Connector

64

CD Audio Adapter

64

Adapter

64

Take Apart Hard Drive - 31

68

1 Push down the latch and

68

Chassis Harness

71

Assembly

71

±Warning: Never use a

72

Background

73

922-0557

75

922-0117 Screw

76

EMI Shields

77

Speaker Assembly

78

Speaker Wires

79

Front Panel Control Board

81

Logic Board Connector

87

±Warning: This product

92

Take Apart CRT - 56

93

2 Lift off the CRT

93

Replacement Note: Be sure

93

Internal

94

Microphone

94

Front Bezel

96

Upgrades

98

Macintosh

99

Processor Upgrade

99

Installation Procedure

105

Overview

105

Remove the 68LC040

107

Processor from the

107

Logic Board

107

Logic Board Socket

108

Processor

108

Removal Tool

108

Install the 68LC040

110

Processor on the

110

Upgrade Board

110

Processor

111

Prepare the Upgrade

114

Installation

114

Antistatic Foam

115

Bottom Side

115

EMI Clips

115

Hook-and-Loop

117

Fastener

117

Logic Board and

122

Additional Procedures

123

Negative

125

Positive

125

Battery

131

Replacement, LC

131

Connector

132

Geometry

134

Vertical Center

136

Horizontal Center

137

Vertical Size

138

Horizontal Size

139

WARNING:

141

High Voltage Areas

141

Gray Bars

144

Contrast Up Button

144

Convergence

155

Crosshatch I

156

Geometric

158

Distortion

158

Horizontal Bow

160

Pin Phase

160

Vertical Angle

160

Yoke Clamp

163

Plastic Yoke Collar

163

Light Meter Setup

169

Model L-248

173

Model 246

174

Exploded View

175

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