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Monitor Geometry (Trapazoid/Keystone) issue/adjustment
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powerofthejam
Hi guys,
Wondering if anyone is able to steer me in the right direction on this one. Just looking for a bit of advise on what I should try next or what I should be looking for as I'm mostly a novice when it comes to CRT's.
Bit of background, I have a lowboy cab that I acquired sometime back around 2007. I used it briefly and the monitor had no issues. Fantastic picture. I transported it interstate (VIC to NSW) and stored it for a decade. I've now transported it back to VIC and hooked a CPS2 up to it but the monitor now displays some very obvious geometry issues. Troubleshooting monitors is not something I've done before, outside of tweaking the pots on the chassis. The image now appears a lot thinner at the bottom and the colours not only are not converging, but they appear to be at completely seperate angles, like so.
The chassis is a Nanao KB24033ID.
I've tried changing game boards, degaussing, adjusting the chassis pots, flyback pots and adjusting the convergence rings, all to no effect. There's no keystone knob i can see that I could adjust. I assume something has been knocked in transport or degraded over time but I'm unsure what to attempt next.
I've attached some pictures. If someone can steer me in the right direction that would be much appreciated. If any additional pictures will help diagnose, please let me know.
Cheers
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