Benutzerhandbuch für Apple lc 520.550.575

Inhaltsverzeichnis

• Macintosh LC 520/550/575

  1
• Basics

  2
  • Overview

    3
  • Product Information

    4
  • Identifying Features

    4
  • Compatibility Notes

    5
• Specifications

  6
  • Processor

    7
    • LC 520

      7
    • LC 550

      7
    • LC 575

      7
    • Coprocessor

      7
  • Memory

    8
    • RAM

      8
    • ROM

      8
    • PRAM

      8
    • VRAM

      9
  • Disk Storage

    10
    • Floppy Drive

      10
    • Hard Drive

      10
    • CD-ROM Drive

      10
  • I/O Interfaces

    11
    • Serial

      11
    • SCSI

      11
    • Apple Desktop Bus

      11
    • Processor-Direct Slot

      11
    • Communications Slot (LC 575)

      12
    • Sound

      12
  • I/O Devices

    13
    • Keyboard

      13
    • Mouse

      13
    • Microphone

      13
    • Speaker

      13
  • Sound and Video

    14
    • Sound Generator

      14
    • Video Display

      14
  • Electrical

    15
    • Line Voltage

      15
    • Frequency

      15
    • Maximum Power

      15
  • Physical

    16
    • Dimensions

      16
    • Weight

      16
  • Environmental

    17
    • Operating Temperature

      17
    • Storage Temperature

      17
    • Relative Humidity

      17
    • Altitude

      17
• Troubleshooting

  18
  • General

    19
  • Symptom Charts

    20
    • Video

      20
    • Video (Continued)

      21
    • Video (Continued)

      22
    • Video (Continued)

      23
    • Video (Continued)

      24
    • Video (Continued)

      25
    • Floppy Drive

      26
    • Floppy Drive (Continued)

      27
    • Floppy Drive (Continued)

      28
    • Hard Drive

      29
    • CD-ROM Drive

      30
    • Peripheral

      31
    • Peripheral (Continued)

      32
    • Peripheral (Continued)

      33
    • Miscellaneous

      34
    • Miscellaneous (Continued)

      35
    • Miscellaneous (Continued)

      36
• Take Apart

  37
  • Rear Housing

    38
  • Fan

    41
  • Analog Board

    43
  • I/O Door

    49
  • Logic Board

    51
  • Drive Bezel

    53
  • Floppy Drive

    55
    • Macintosh LC 520 Auto-inject Floppy Drive

      58
    • Macintosh LC 550 and 575 Manual-inject Floppy Driv...

      61
  • CD-ROM Drive

    62
  • Hard Drive

    67
  • Chassis Harness Assembly

    71
    • Chassis Harness Take Apart Strategy

      73
      • Background

        73
      • Identifying the Chassis Harness Assembly

        73
      • Service Parts Now Available for Chassis 922-1824 a...

        75
      • Service Parts Now Available for Chassis 661-1094

        76
    • Chassis Harness Take Apart Procedures

      77
      • EMI Shields

        77
      • Speaker Assembly

        78
      • Speaker Wires

        79
      • Front Panel Control Board

        81
      • Logic Board Connector and Cable Assembly

        82
      • Logic Board Connector and Cable Assembly

        87
  • CRT

    91
  • Internal Microphone

    94
  • Front Bezel

    96
• Upgrades

  98
  • Macintosh Processor Upgrade

    99
    • Installation Procedure Overview

      105
    • Remove the 68LC040 Processor from the Logic Board

      107
    • Install the 68LC040 Processor on the Upgrade Board...

      110
    • Prepare the Upgrade and Logic Boards for Installat...

      114
    • Install the Upgrade Board on the Logic Board

      118
    • Logic Board and Upgrade Board Returns

      122
• Additional Procedures

  123
  • Battery Verification, LC 520

    124
  • Battery Verification, LC 575

    126
  • Battery Replacement, LC 520

    128
  • Battery Replacement, LC 575

    131
• Adjustments

  133
  • Geometry

    134
    • Vertical Center

      136
    • Horizontal Center

      137
    • Vertical Size

      138
    • Horizontal Size

      139
    • Focus

      141
  • Video

    142
    • Cutoff

      144
    • White Balance

      148
  • Convergence

    155
  • Geometric Distortion

    158
  • Yoke

    163
  • Light Meter Setup

    169
    • Model R77

      169
    • Model L-248

      173
    • Model 246

      174
• Exploded View

  176