Atari 800 Field Service Manual

COLOR BARS
Preaa C and
RETURN
Oo*a screen
look
like
Figure
3-4
NO
Can you
adjust R309
to
the
proper color
YES
Adjust
R3Q9
Does
screen look
like Figure
3-4
NO
Go
to COLOR
BAR
TROUBLESHOOTING,
Page
5-lQ
Does MENU
appear NO
i
(Refer
Figure
3-3)
j
@
YES
YES
NO
YES
Repeat
POWER-UP,
Page 5-2
Go to
TIA,
Page5-10
Go to
COLOR
BAR
TROUBLESHOOTING
.
Page
5
-10
Go
to
TIA.
Page
5-10
ATARI
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Computer 5-9

Atari 800 Specifications

General

Processor	MOS Technology 6502
Processor Speed	1.79 MHz
ROM	10 KB
Graphics	ANTIC and GTIA chips
Release Year	1979
Display Resolution	up to 320 x 192
Colors	128 colors
Sound	4 channels
Storage	Cartridge, cassette, floppy disk
Ports	Cartridge, serial, monitor
Operating System	Atari OS