Anyvideo Screen; Gray Bar Screen - Atari CX 5200 Field Service Manual

Diagnostic Flowchart Entry Point: Pg. 4-1 6.

ANYVIDEO SCREEN

Purpose :
•
For mat:
•
bar s. Half of the vertical bars should be narrow, and the other half much
wider. A hor izontal bar should appear across the top of the screen. Fro m
left to r ight, the shade of color on the hor izontal bar should change. On
the right of the bar, two Vs should be disp layed, right side up.
CX5200 Field Service Manual
F igure 3-2 . Gray Bar Screen
To test the video generation o f the GTIA and ANTIC chips.
The screen should have a b lack background with eight vertical
3-6