Atari 800 Field Service Manual

8QQ
GREY BAR
TROUBLESHOOTING
Sw«p-out
A30I and
A302 on
CPU
Board
NO
Swsp
CPU
Board
Oo«9
9er««n look
Uk8 FiguTB
3-6
NO
Swap-out
AiQ3,
Q105
and A 104
OoM
serocn look |
YES
Uke Figure
3-6
Go to
ANY
VIDEO,.
}
Page 7-18
YES
Tr»ca
color circuitry
on
CPU
Board.
Make
certain
to check
color
delar circuit
and
R309
Does screen
look
y^?
like Figure
3-6
I
Go to
ANY
VIDEO
Page
7-18
NO
Go to
next page
ATARI
Home
Computer
7-15

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