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Hi,

I have an Arkanoid Revenge of Doh Graphics issue.

I have an Arkanoid Revenge of Doh PCB that has graphics banding issues. The test screen shows RAM and ROM OK. Game plays fine.
I Have:

Checked for correct +5v
Reseated all socketed chips
Verified the ROMS at positions B08-11 and B08-12. I do not have an eprom programmer that can read the other ROMS.

Does anyone have the schematics, or any idea where to start trouble shooting?

Thanks
Robert
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