Super Neo 29 - (very little) pincushion issue

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Moteuchi_Yota
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Super Neo 29 - (very little) pincushion issue

Post by Moteuchi_Yota »

My Super Neo 29 has a little pincushion issue on the left side of the screen. Not terrible but a little annoying. Searched for the pincushion trimmer under the cp but nothing.

http://forum.arcadecontrols.com/index.p ... c=105766.0

Here the author talks about a "saido pin" on the chassis.

Can anyone help me to locate that pot?

Thanks! :o
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Moteuchi_Yota
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Re: Super Neo 29 - (very little) pincushion issue

Post by Moteuchi_Yota »

Image

Found this image on arcadecontrols. I have the same "misterious" pot on my chassis, naturally. Is it the "saido pin"? Anyone with minimum japanese skills?

My actual test grid. As you can see, the issue is very visible on the left side. I don't take care of that: with a little overscan the problem is masked but, if possible, i would like to solve it.

Image
fagin
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Re: Super Neo 29 - (very little) pincushion issue

Post by fagin »

That's not a pincushion issue imo.

It looks more like you need to rotate the picture clockwise.
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Moteuchi_Yota
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Re: Super Neo 29 - (very little) pincushion issue

Post by Moteuchi_Yota »

Can i have any tip about the clockwise rotation, please? :?:
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antron
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Re: Super Neo 29 - (very little) pincushion issue

Post by antron »

turn the yoke if you can. sometimes they are glued on.
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Moteuchi_Yota
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Re: Super Neo 29 - (very little) pincushion issue

Post by Moteuchi_Yota »

Yes, they are glued... :|

I think that i will leave the monitor at this state. :?
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Moteuchi_Yota
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Re: Super Neo 29 - (very little) pincushion issue

Post by Moteuchi_Yota »

Yeah, checked the screen again. The image is (a little) rotate. I'll try to live with it (and with a minor underscan, lol). :mrgreen:
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ThEmperorIsDead
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Re: Super Neo 29 - (very little) pincushion issue

Post by ThEmperorIsDead »

Are you sure it's glued?... sometimes there's a clamp that needs loosening. I've had success with really tough yokes by finding a flat edge on the appropriate side you need to adjust and gently tapping down on a large flat screwdriver with a hammer....extreme care must be taken obviously.
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geekmiki
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Re: Super Neo 29 - (very little) pincushion issue

Post by geekmiki »

The test grid you posted is more than acceptable.

I would never recommend to mess with the yoke if you don't know what you're doing. Very often it'll end up worse than it was.

If you don't have this:
Image

Just leave it how it is.
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Moteuchi_Yota
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Re: Super Neo 29 - (very little) pincushion issue

Post by Moteuchi_Yota »

Yes, decided to leave the screen how it is... i don't have the skills for this type of work. And, after all, the image quality is acceptable. Thanks, guys. :)
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ChuChu Flamingo
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Re: Super Neo 29 - (very little) pincushion issue

Post by ChuChu Flamingo »

My egret 2 has a slightly rotated yoke as well, pretty common to see. To adjust you have to take the crt out of the cabinet (which means take it out with the rotate mech, a pain in the ass).

It doesn't matter for most games unless the huds are at very edge of the screen border (shame on the developers who did this). It is always good to have just a ity bit of overscan for
blooming.
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Moteuchi_Yota
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Re: Super Neo 29 - (very little) pincushion issue

Post by Moteuchi_Yota »

Fortunately, my egret II has a perfect cross hatch! Taking the screen out of the cabinet with the rotate mech? No, thanks! :shock:
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