Atari 800

TIA TEST
Press
I and
RETURN
Does NOT
GTIA
appear
on
screen
NO
Is
there
a color
rainbow
on the
screen
^
—
^ NO
Replace GTIA
(A30I)
on
CPU
Board
YES
Go
to GRAY
'BAR
Test.
Page
7-1
YES
Go to
CRAY
BAR
Test,
Pa8e7-14i
ATARI
Home
Computer
7-13