recapped 4900 has a 'roll'

tron guy

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I had some issues all of a sudden with my bump n jump(screen fold/tracers)

so I pulled the monitor and recapped it.
I put her back in and there are a couple of problems.
1. it is difficult to get the picture to hold. I did, but it was difficult. It wants to roll.
2. there is what I would describe as a constant rolling/scrolling to the screen. Now the game play isn't rolling, it looks similar to when you see someone shooting video of a videogame being played, the black line that scrolls through.

this is much lighter but very annoying and unacceptable. constant "under scrolling" I would call it.

what should I be messing with?
 
go back thru and look for broken/cold solder joints. this board has a lot of them usually.

I gave it a look and it didn't appear to have any.

I suppose it's easy enough to spend an hour removing and replacing all of the solder and at least eliminating that as an option.

thanks I will get that done and report back
 
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