Donkey Kong Junior issue

hasenfang

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I have a Donkey Kong Junior that I recently picked up (not working of course) and I tested the boards in another working Nintendo arcade game and the screen is white. The game does coin up but I did not hear any sound.

I have been doing some research and found a repair log @ mikes arcade where he replaced both ECL RAMS (HM10422) at 2E & 2F on the Video Board to resolve a similar issue.

Any other thought on what I can try? Any idea where I could get those ECL Ram chips? I email Bob Roberts to see if he had them.

Thanks!
 
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