Ultrashort projector for a 4:3 50" arcade monitor.

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Update: Hi folks, since making this, I've realised you can get the UM330x and UM361X, which are pretty-much the exact same projector but with more brightness (30% more in the case of the UM361x), so if you can, go for those as you want as bright as you can for an arcade machine. At some point I'll do a side-by-side with the UM280x to show the improvement.
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Experimenting with an ultra-short projector (NEC UM280X) to see if it can work inside a 4:3 50" rear-projection arcade monitor, which too often have their guts ripped out and ill-proportioned widescreen LCDs stuck in there.
Admittedly, I've just taken the screen front and taken measurements, but let me know if this works for you and I can stick up a link here.
No CRTs were harmed in the making of this video.

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6 окт 2024

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Комментарии : 42

@gameglitcher4 3 года назад

Nothing ever beats the projector monitor.

@USSCrazybat 3 года назад

flicked through the ukvac thread on this, an ingenious fix. hopefully more collectors see this!

@araujofi Год назад

You're my savior, you just saved my Brave Firefighters cabinet, I even put an upscaling board between the video signal and the projector, the result was incredible.

@beaumotplage Год назад

Oh, wow, superb. I'd love to see pictures of that one day!

@araujofi Год назад

@@beaumotplage ofc, I'll sub to your channel, and when I have time, I'll send you a link to the video!

@NiGHTSaturn 19 дней назад

I will get a Naomi based cab that has one of these screens config and i'm excited to try the NEC projector I got for it. I'd still love to see the comparison between Projection Tubes vs the Ultra Short Throw configuration.

@HurrayBanana 3 года назад

Great video and nice walkthrough of the issues

@beaumotplage 7 месяцев назад

Hi folks, since making this, I've realised you can get the UM330x and UM361X, which are pretty-much the exact same projector but with more brightness (30% more in the case of the UM361x), so if you can, go for those as you want as bright as you can for an arcade machine. At some point I'll do a side-by-side with the UM280x to show the improvement.

@JaGomez0285 4 месяца назад

What are you using to connect to the projector?

@beaumotplage 2 месяца назад

@@JaGomez0285 It takes most inputs via the VGA connector, where the composite sync out of the arcade boards can go to the H-sync wire. It's a supergun type setup I use (homemade), but you'd probably get away with resistors (470R on RGB) for a test (not as nice to the arcade boards as an opamp circuit).

@DouchyMcBag Год назад

This is rad I'm trying to restore my HOTD2 Dx right now. Good to know I have another option if I can't get the old projector to work.

@andrzejpoetek1209 2 года назад

This is incredible. I've been meaning to do this for a while but now I'm extra inspired. I have the locks virtual cop 3. That needs that. Also a environmental ocean hunter that needs that as well. And lastly, my brave firefighters needs it too. Just need to figure out which projector I can use here in America. They seem to be cheap enough.

@sma7530 Год назад

The Ninja Warriors demo sold it too me 🤩

@PhilBennett3D 3 года назад

Thank you so much for sharing! This changed my life.

@beaumotplage 3 года назад

Amen brother. It made you famous too...

@JaGomez0285 Год назад

Awesome video, just got my self a super megalo 2, this is going to help a lot, thanks

@beaumotplage Год назад

Why thank you. Interestingly, the Megalo 2 and Megalo 410 seem to have 24kHz monitors and need to use an upscaler PCB to handle 15kHz JAMMA games, so they never had the best display for older games anyway. You shouldn't need the upscaler PCB with this projector/

@JaGomez0285 Год назад

@@beaumotplage have you tried anything with this projector like a mistercade or raspberry pi set up?

@beaumotplage Год назад

@@JaGomez0285 I haven't, just the stuff in the video and one or two JAMMA boards (like Elevator Action Returns). Mister or PI should work though, I think (although you'll have to wire them into the VGA input and check they're ok with 70 ohm signal levels).

@JaGomez0285 Год назад

Any diferences with the um330x or um361x models, see they are cheaper, Im in the us, the um280x only see them in the UK

@beaumotplage Год назад

@@JaGomez0285 I think it's the brightness - those are both better than mine. I think the throw ratios and everything else is the same, but worth double-checking. I'll have to make some notes on how you wire an arcade PCB into this - ideally you want a de-amplifier circuit, but resistors on the RGB would work as a temporary solution (the 15-way VGA d-sub is the analog RGB input). I'm on the UKVAC website if that's easier than communicating on here 🙂

@banks3388 Год назад

Projectors are better than LCD monitors and much cheaper than CRTs at the moment (especially for pixel art games) when it comes to 4:3 retro titles (it's also easy to setup if you just want to run emulators)...

@Dhebbduennebeb 3 года назад

Looks good. Makes me want to pull out the burned rgb guns and put a projector in Daytona instead!

@beaumotplage 3 года назад

Over my dead body (which is likely if I stick my hands in that RP monitor without an insulated screwdriver again). We can get that CRT looking much better one day, I'm sure

@ManuTheDeath 2 года назад

Thanks for the video, i was hoping this might work for a silent hill arcade. My tubes all got bad burn in... but i am afraid that guns wont work anymore with this solution, all tho i want it badly

@chrispatterson1402 7 месяцев назад

Wow the internet wins again thanks for this information

@beaumotplage 7 месяцев назад

My pleasure. I'm just updating the description now to mention that there's also the UM330X and UM361X, which are almost the same projector, but up to 30% brighter (3300 and 3600 lumens vs 2800), which is really what you want in an arcade machine.

@maxfactoy2047 2 года назад

This is good idea ！

@SP95 2 года назад

smart idea

@pheonixman22 2 месяца назад

Hi m8 Great video, are you just running normal air compressor through that Daytona rear cabi?

@beaumotplage 2 месяца назад

Thanks. Yeah just a normal compressor, even a small unit seemed alright for just one cabinet, although bloody noisy when it sporadically had to repressure.

@pheonixman22 2 месяца назад

@beaumotplage That's good I'm trying to get mine going so will have to buy one, do you have anymore videos of your daytona special running I would be very interested to see them? I'm also looking at trying to get the RPTV's going but missing glass and fresnel at the moment :(

@beaumotplage 2 месяца назад

@@pheonixman22 you're actually the second person who's said exactly that to me today regarding restoring RP monitors and Daytona special DLX! Heart of Gaming were throwing some Fresnel/Lenticulars out the other week on the UKVAC facebook - they might still have them. There's usually someone trashing a 50" arcade monitor somehere that'll have them spare :-/.

@beaumotplage 2 месяца назад

@@pheonixman22 Oh and sorry, it's not my machine - it was a local guy who had it and since sold it on to someone else (who I know but lives half the country away)

@pheonixman22 2 месяца назад

@beaumotplage ahh I see probably me speaking to the same person on ukvac about it :)

@guyonthedock 3 года назад

Any chance this would work with a Time Crisis 3 DLX? Not sure if it would work with gun games.

@beaumotplage 3 года назад

Sorry . It WON'T work in TC1,2 or 3. You need a CRT for those with 480i and no upscaling, unfortunately. (and apologies if you briefly saw a different reply from me - I mistakenly thought you were posting on my CRT RPTV video - that will work in TC3)

@beaumotplage 3 года назад

Time Crisis 4 should work, I would think though as that is LED sensor based (same as the later Sega games)

@NaokisRC 3 года назад

@@beaumotplage Will add to this, TC1 and TC2 deffo won't work. TC3 *might* if you have a MIU/RAYS PCB. But you might need an IR filter over the screen too. Not sure on this last bit