Fixeight problem

PCB problems and fixes
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senna555
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Fixeight problem

Post by senna555 » July 2nd, 2012, 7:06 pm

Hello i have a problem with fixeight i use a supergun and a vga converter on a lcd screen .
here are some pictures.
Image
Image
as you can see i have on the left side some blurring i dont see player 1
the person where i buy the pcb from says it works fine in a cab.
and that the problem is the vga converter with the lcd screen.
i have a lot pcb,s and this is the first with a problem,
so what are you guys thinking is the pcb broke and if so is there someone that can fix it?
someone has a idea.

thanks :D

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Re: Fixeight problem

Post by Korszca » July 2nd, 2012, 7:17 pm

Is there a cab where you can test it out?

For my test bench - I have some PCBs that absolutely require a sync cleaner in order to display properly, while others absolutely cannot use the sync cleaner because they won't display with it! So I'd definitely say try it somewhere else. A real arcade monitor is always best when testing.
Last edited by Korszca on July 2nd, 2012, 7:20 pm, edited 1 time in total.

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senna555
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Re: Fixeight problem

Post by senna555 » July 2nd, 2012, 7:20 pm

oke i gonna look for some one with a cab
thank you for your help :thumbup:

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Re: Fixeight problem

Post by SuperDeadite » July 3rd, 2012, 3:53 am

It's your scaler/lcd setup. Spend a little and get a setup that doesn't suck. :awe:
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senna555
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Re: Fixeight problem

Post by senna555 » July 3rd, 2012, 5:21 am

never had problems before only with this pcb,butt good to now.
and i have the same when i connect the pcb direct on a supergun
3 different ones with out the converter.

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Re: Fixeight problem

Post by Korszca » July 3rd, 2012, 5:36 am

All superguns have a converter of some sort. I'd still say try to get it plugged into an actual cab.

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senna555
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Re: Fixeight problem

Post by senna555 » July 3rd, 2012, 5:43 am

yeah i just wanna now if it works with out any problems and then i gonna sell fixeight.
i got no room here for a cab so thats why i play in this setup .

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davewellington
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Re: Fixeight problem

Post by davewellington » July 3rd, 2012, 6:40 am

SuperDeadite wrote:It's your scaler/lcd setup. Spend a little and get a setup that doesn't suck. :awe:
This is really the issue. You have a cheap scaler that doesn't handle non-standard frequencies very well, and then you plug it into an LCD, which also doesn't handle non-standard frequencies very well. Combine that with a board that I guess doesn't use a standard frequency and you have issues.
SCART TV's are everywhere in Europe aren't they? More accurate display, no LCD lag and will most likely eradicate this issue, what's to go wrong :D
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senna555
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Re: Fixeight problem

Post by senna555 » July 3rd, 2012, 7:19 am

Thanks for the help

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Re: Fixeight problem

Post by cools » July 3rd, 2012, 8:28 am

Korszca wrote:All superguns have a converter of some sort.
Nope.
Image

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Re: Fixeight problem

Post by Korszca » July 3rd, 2012, 6:33 pm

Which ones don't? The SCART-out ones?
Shows my Amero-centric bias :awe:

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Re: Fixeight problem

Post by AeroCityMayor » July 3rd, 2012, 7:18 pm

Superguns aren't my particular area of expertise but I'm given to believe that many of them take the RGB signals directly from the pcb and display without conversion.

Someone more enlightened or informed may wish to correct that though. :awe:

Cheers,

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Re: Fixeight problem

Post by crunchywasp » July 3rd, 2012, 7:40 pm

Absolutely spot on. If your TV supports RGB scart then you can take the video red, green, blue & sync signals directly from the JAMMA edge without using any form of convertor. I usually hook up R,G,B, sync, +5v, mono audio & GND to an 8 pin din socket with a Neo Geo AES pinout so it's compatible with a Neo Geo RGB scart lead, although I usually build my own leads to go with the SG. I run the R,G & B lines via 1k pots for adjustment and audio via an attenuation circuit but other than that everything runs directly from the JAMMA edge to the scart socket/tv
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Re: Fixeight problem

Post by Korszca » July 4th, 2012, 1:39 am

Again, SCART TVs being generally unavailable on my continent, so I never think about them :awe:

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Re: Fixeight problem

Post by kernow » July 4th, 2012, 1:48 am

Korszca wrote:All superguns have a converter of some sort. I'd still say try to get it plugged into an actual cab.
What? no they don't. A vast majority of them output plain RGB, svideo at a push, and if you want to add an RGB to component converter that's up to you.

Ok this has already been explained, but :palm:
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Re: Fixeight problem

Post by Korszca » July 4th, 2012, 2:31 am

The "plugging the board into a cab" was the important part here.

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Re: Fixeight problem

Post by kernow » July 4th, 2012, 9:58 am

I think the 'giving totally wrong information for the 16th time' part was equally as important :awe:
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