Imperial Kortek KTN-2001 Monitor Problem

dyrwolf

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I posted a video on youtube on this monitor once I plugged it into missle command.

I can't stop the rolling.

I've spent a lot of time twisting the knobs on the remote controller, to no avail.

I bought this from Arcadeshop.com.

Have I been ripped off, or is there a way to get this working?

Here is the URL

http://www.youtube.com/watch?v=HxtoJ1pYQUs

Thanks in advance
 
Be sure you're supplying composite sync to the proper pins. at the oppostite end from RG&B are 2 pins labeled H and V - put composite sync on both and see what happens.

I don't know details about MC, so can't be more specific.
 
I have a Hsync and a V sync, that are going to H and V on the monitor board. There is no composite out of board.

I managed to stop the up/down rolling with an adjustment knob on the board (not on the remote board).

Now, however, it rolls left to right, and I can't get it centered on screen (missile bases are at middle of screen, top of screen at the bottom of screen. Once in a while I slow the rolling down, but I have no idea how.

I put up the test screen, and I see duplicates of the image, left to right, meaning, I guess, it is rolling left to right (or right to left) really fast. Looks like it might be in or near the right place on the screen.

It seems like maybe the various knobs will stabilze the picture, but I have no idea if there is a certain order for adjusting them.
 
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I can't recall if this chassis has a white button on it or not. If so, push it.

And you MIGHT want to try disconnecting the vsync to see if it helps any. Some of these new monitors only use the hsync to lock, even if the game provides separate sync inputs...
 
if none of the above helps, see if you have a working ground between the monitor chassis and the board. I had one that would not hold steady until i used alligator clips to ground the two together. Turned out the black next to the RGB on the chassis was not properly connected to the harness
 
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