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K Service Source
Macintosh TV
K Service Source
Basics
Macintosh TV
Basics Overview - 1
Overview
This manual contains
complete repair procedures
for the Macintosh TV shown
at left.
Figure: Macintosh TV
K Service Source
Specifications
Macintosh TV
Specifications Processor - 1
Processor
CPU Motorola 68030 microprocessor
32 MHz
Built-in memory management unit (MMU)
Coprocessor
Socket for optional math coprocessor
Specifications Memory - 2
Memory
RAM 4 MB of dynamic RAM on board
Expandable to 8 MB (100 ns or faster SIMMs)
72-pin DRAM SIMM connector
ROM 1 MB of ROM, expandable to 2 MB
PRAM 256 bytes of clock/calendar/parameter memory
Long-life lithium battery
VRAM 512K of VRAM on board (displays up to 256 colors or 8-bit
color)
Specifications Disk Storage - 3
Disk Storage
Floppy Drive Internal 1.4 MB Apple SuperDrive
Hard Drive 3.5-inch, internal 160 MB SCSI hard drive
CD-ROM Drive Internal AppleCD 300i, double-speed CD-ROM drive
Specifications I/O Interfaces - 4
I/O Interfaces
Serial Two RS-232/RS-422 serial ports; mini DIN-8 connectors
SCSI One SCSI parallel port; DB-25 connector
Connects up to six external SCSI devices
Apple Desktop Bus Two Apple Desktop Bus (ADB) ports; mini DIN-4 connectors
Maximum of three ADB devices recommended
Maximum current draw: 500 mA
(Mouse draws 10 mA, keyboard draws 25 mA)
Specifications I/O Interfaces - 5
Infrared Receiver For remote control
Sound Sound-output port capable of delivering stereo sound
Sound-input port for monaural sound input
Front headphone jack capable of delivering stereo sound
Specifications I/O Devices - 6
I/O Devices
Keyboard Supports all Apple Desktop Bus keyboards
Mouse Apple Desktop Bus Mouse II
New, ergonomic design
Speaker Adjustable sound control on front of bezel
Specifications Sound and Video - 7
Sound and Video
Sound Generator Records at 11 kHz or 22 kHz sample rate
Plays back at 11 kHz or 22 kHz sample rate
Two speakers with enhanced stereo sound
Allows playback and recording of ordinary audio compact discs
Video Display 14-in. diagonal, 13-in. viewable screen
Trinitron CRT with high-contrast glass
.26-mm aperture grille pitch
640 pixels by 480 lines; 70 dpi
Specifications Electrical - 8
Electrical
Line Voltage 100