K4600 vertical adjustment?

taylormadelv

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The K4600 in my Stargate shows the picture about an inch too low vertically. I can see vertical blanking "garbage" at the top of the screen, I have tried another board and I know that it's an issue with the monitor. The manual only offers a 3 pin jumper which is basically useless for my situation. Like I said, the picture is nearly a full inch too low. Is there a cap I can replace to move the picture up? Vertical scaling will just make the bottom of the picture unviewable.
Thanks!
 
I can't answer your specific questions, but have a suggestion: check the grounding from the monitor chasis to the earth ground. Either remove it if properly grounded, or add/fix if missing.

I mention this because when trying to get rid of some interference on my K49xx, i removed the ground to the chasis and saw what you are describing.
 
An old back issue of Star Tech Journal magazine had a modification shown for the 4600 series to allow more range of those adjustment tabs.
 
I can't answer your specific questions, but have a suggestion: check the grounding from the monitor chasis to the earth ground. Either remove it if properly grounded, or add/fix if missing.

I mention this because when trying to get rid of some interference on my K49xx, i removed the ground to the chasis and saw what you are describing.
In the Stargate cab, you mean that flat, silver grounding strip? I think it's connected right now but I will take a closer look...
 
The grounding strip was connected properly in the cab. I tried disconnecting but it made no difference.:001_ssad:
The picture quailtyof the k4600 is awesome, I just wish I could move the picture vertically...
 
Well, if you were really adventurous, you could mess with the centering tabs on the neck. Just be sure to only move the centering tabs and not the convergence rings.

You could always adjust your vertical height a bit. You might lose a little of the bottom, but then it would be gone...
 
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