Desperado
Veteran Member
- Joined
- Nov 25, 2017
- Messages
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And a Merry Christmas to you too ilpaninaro.
Is the dark brown screen actually coming from the Atari 800XL or not? What do you get on the screen if you turn off the Atari in this mode?
The 800 XL has a self test mode (see section 2 of http://classiccomputers.info/down/Atari/Atari_800XL_Field_Service_Manual.pdf). Will it even go into self test mode at all?
Dave
If your 800XL has it's main chips socketed, you should try re-seating all of them. If you are using the original Atari power supply it would be wise to check it as well.
I will have another look at the weekend if that is OK.
Dave
When looking at U2, did you see anything with a pulse?
Dwight