got a MV-1fz...trying hard to make it work

[SignOfZeta]

You have so many potential problems there. I don't envy you.

My first suggestion would be to do this testing with an SD CRT. Then at least you can be %100 positive as to what's going on with the video. With all that modern junk in there you could have a perfect picture and not even know it if the set is being picky for whatever reason.

Does this board have any kind of audio out other than the JAMMA edge? That too is a valuable help. If you can hear the game running and not see video (something most SD CRTs will let you do, many HDTVs don't) then that's valuable info.

Is there a power LED on this board? It seems like it would.

As others have said, the board should made a test pattern even without a cart.

Most people who are into arcade stuff have enough junk laying around to swap things out for diagnostic aid. It's usually much easier. You're probably headed this way too, so my advice is to get another MVS mainboard and see how that goes.

[escarioth]

You have so many potential problems there. I don't envy you.

haha 2 online friend told me the exact same thing. 

My first suggestion would be to do this testing with an SD CRT. Then at least you can be %100 positive as to what's going on with the video. With all that modern junk in there you could have a perfect picture and not even know it if the set is being picky for whatever reason.

yeah i dont have a single thing here for testing.
i do have 2 sony trinitron but vogatek IV only have a scart output...and i only have a scart/hdmi box....and well those tvs dont have hdmi input so testing with it is pretty much useless right now...so first thing first.. i got to find someone with better tools.. else i'm gonna throw money a bit everywhere without much more then crossing my fingers...

Does this board have any kind of audio out other than the JAMMA edge? That too is a valuable help. If you can hear the game running and not see video (something most SD CRTs will let you do, many HDTVs don't) then that's valuable info.

nope.. only way to get sound is with Jamma with this sucker.....
i would have prefered a real audio out onboard 

Is there a power LED on this board? It seems like it would.

As others have said, the board should made a test pattern even without a cart.

Most people who are into arcade stuff have enough junk laying around to swap things out for diagnostic aid. It's usually much easier. You're probably headed this way too, so my advice is to get another MVS mainboard and see how that goes.

yeah the led lights up when i power the board.
i checked, 12v and 5v reach the board too.

ill try to find someone around here

[BigusSchmuck]

You know it might even be the power supply. You probably want to stick to the switching variety. 600 watts is a little over kill, try to shoot for 200-300 watts. http://www.ebay.com/itm/ISO-Switching-Power-Supply-ISO-400-300-watt-p1-20-4-pin-/171855188584?pt=LH_DefaultDomain_0&hash=item28035e1268

[escarioth]

ok i still have one in my old pc.
ill try it tomorrow

thank for the infos everybody

[SignOfZeta]

You know it might even be the power supply. You probably want to stick to the switching variety. 600 watts is a little over kill, try to shoot for 200-300 watts. http://www.ebay.com/itm/ISO-Switching-Power-Supply-ISO-400-300-watt-p1-20-4-pin-/171855188584?pt=LH_DefaultDomain_0&hash=item28035e1268

600W? Is that...50A at 12V? f*ck, does this thing power a two player Scud Race?

Having more wattage than you need is never a bad thing, but I can't imagine any arcade board needing 50 amps.

[escarioth]

haha yeah well i know its way too much... 
some people online said that it needed a minimum of 400w...

lately i found that some other people were using less then 400w.
without problem. so i started to wonder if PSU was the issue...

anyway ill try this tonight