Apple Macintosh LC 575 Specifications download pdf (Page 11)

Specifications I/O Interfaces - 4

I/O Interfaces

Serial

Two RS-232/RS-422 serial ports for external modem and

printer

Modem port uses a 9-pin mini-DIN connector

Printer port uses an 8-pin mini-DIN connector

SCSI

One SCSI port for expansion

Accommodates up to six external SCSI devices

Apple Desktop Bus

One AppleDesktop (ADB) port for keyboard and mouse

Maximum of three ADB devices recommended

Maximum current draw: 500 mA(Mouse draws 10 mA; keyboard

draws 25 mA.)

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 150 151

Macintosh LC 580/ 1
Performa 580CD 1
General Information 3
Rear View Diagram 5
Logic Board Diagram 6
Speciﬁcations 7
Processor 8
Disk Storage 10
I/O Interfaces 11
I/O Devices 13
Sound and Video 14
Video Display 15
Video Timings 16
External Video 17
Connector 17
(Optional) 17
Physical and Electrical 18
Audio Ampliﬁer 19
Environmental 20
Troubleshooting 21
First Checklist 23
Symptom Charts 25
Floppy Drive 33
Hard Drive 35
CD-ROM Drive 36
Peripheral 39
Miscellaneous 45
Take Apart 47
Drive Bezel 48
Take Apart Floppy Drive - 5 52
1 Push up the latch and 52
Take Apart Floppy Drive - 6 53
2 Disconnect the floppy 53
I/O Door 59
Rear Housing 61
Analog Board 66
Ribbon Cable 73
Logic Board 75
Logic Board Handle 76
Chassis Harness 78
Assembly 78
Logic Board Rail 78
Take Apart Hard Drive - 34 81
3 Disconnect the ribbon 81
±Warning: This product 85
±Warning: Never use a 85
Top Opening 86
Chassis Guide 86
Chassis Opening 88
for Interior Tab 88
and Interior Tab 89
Analog Board Guide 90
Speakers 91
Take Apart Speakers - 46 93
2 Disconnect the speaker 93
Front Panel 94
Control Board 94
Mounting Screw 100
Assembly 100
Front Bezel 102
Internal 103
Microphone 103
±Warning: Never use a 104
±Warning: This product 104
Internal Microphone Board 105
Additional Procedures 108
Battery 109
Verification 109
Replacement 111
Adjustments 113
Light Meter Setup 114
Model L-248 118
Model 246 119
Geometry 120
Vertical Shift 122
Horizontal Shift 123
Vertical Height 124
Horizontal Width 125
Adjustment 127
Controls High Voltage Areas 127
Brightness Button 130
Gray Bars 130
Controls 131
White Balance 133
All-White Screen 137
Convergence 140
One Control 142
Two Controls 143
Crosshatch I 144
Geometric 145
Distortion 145
Keystone 146
Trapezoid 146
Horizontal 146
Exploded View 150

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Apple Macintosh LC 575 Specifications Page 11

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