Commodore 1084S sync issue

mdeslaur

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I've got a Commodore 1084S on my test bench, but I can't seem to get it to sync with MCR boards.

Has anyone gotten an MCR board to sync with one?
 
I've got a Commodore 1084S on my test bench, but I can't seem to get it to sync with MCR boards.

Has anyone gotten an MCR board to sync with one?

How are you combining the sync ? I'm using a 1084S with a Tapper right now.

I've used a 74LS08 (AND) to combine H&V but also diodes on /Hsync & /Vsync output with a 1k pull-up to 5v also works. It was sensitive to H-width and H-position and I did have to dial it in.
 
Oh, I didn't think combining syncs would be required since the 1084 has separate HSYNC and VSYNC pins.

I'll try that, thanks!
 
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