Atari 800

400
ANY VIDEO
TROUBLESHOOTING
TAH:
Swsp-^ut A301 and
A302. oa
CPU Boarti
YES
Ooma
scre«n look
Uka
Figure
3-5
Go to
KEYBOARD.
Page
5-22
YES
NO
Swap
CPU
Board
Do«a aervan look
Uka
Figure
3-6
Trace
color circuitry
oa CPU Board.
Make
cetain to cheek
color
delay circuit
and a309
YES
NO
Swap-out
Alll. Q107
on Motherboard
Oo«9 screan
look
Go to KEYBOARD,
Page
5-22
Uka F gure
3-5
NO
Co to
next page
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