Home Arcade System

Some of my games don't seem to play at 5v. It seems like some need more juice so I was wondering how much can I give them before it's just to much.
My recommendation is to use a voltmeter and spot check ICs on the PCBs to see if one or more are not seeing full voltage on the power rails. Assuming you find a voltage drop trace back along the schematic looking for damage.
 
Some of my games don't seem to play at 5v. It seems like some need more juice so I was wondering how much can I give them before it's just to much.
if your boards are not running to spec, then there’s no real way of gauging what too much is. Generally I run my boards with a .02 tolerance to be “safe”, so I don’t let it go higher that 5.02.
But for your boards, who knows. The fact that they’re running out of spec could mean there’s something failing on your boards.

What is “more juice”? Like, give us the actual number you’re running them at.
 
I will update this for sure after I test my more boards. I can say right off hand boards with more eproms seem to need more voltage then ones with less. Here is a for instance- marvel superheroes cps2 runs great on a cabinet then put in a street fighter anniversary conversion and voltages must be turned up. I can literally convert it back to a marvel vs capcom and it will play no problem, voltages at original settings. I haven't done this for years and I never wrote anything down at the time so I couldn't tell you till I get home and do testing. I was setting up my HAS yesterday and trying to figure out exactly what voltages people thought were best for games like cps2 although I will be putting on other fighting games that seem to need a certain number of voltages ( street fighter the movie being one) I just don't want to get crazy and start ruining pcbs.
 
I will update this for sure after I test my more boards. I can say right off hand boards with more eproms seem to need more voltage then ones with less. Here is a for instance- marvel superheroes cps2 runs great on a cabinet then put in a street fighter anniversary conversion and voltages must be turned up. I can literally convert it back to a marvel vs capcom and it will play no problem, voltages at original settings. I haven't done this for years and I never wrote anything down at the time so I couldn't tell you till I get home and do testing. I was setting up my HAS yesterday and trying to figure out exactly what voltages people thought were best for games like cps2 although I will be putting on other fighting games that seem to need a certain number of voltages ( street fighter the movie being one) I just don't want to get crazy and start ruining pcbs.
I run nearly everything I own through my HAS at 5.0 and they all run fine from CPS2 boards to older Toaplan stuff. Here's a dumb question, have you checked your power supply/wiring? Might help to investigate that/try a different one.
 
yes, exactly what I was saying. if your boards aren't running on the standard specs, there is definitely something failing in either your set-up or on the boards themselves. I would check EVERYTHING. Check the PSU without load, then with load. Check the voltages on your PCB's that are not running on a proper 5v. Look at the PCB's for bad caps, cold solder joints, loose connectors, etc. Even trace the power wires connected through the JAMMA harness and see if they're not degraded or damaged.

At this point you gotta be diligent and go everything with a "fine-tooth comb". The fact you need to run the boards higher than 5v, which you haven't even told us how high you're running them on, to get them to work is very bad. There are a lot of various components on those boards that should not be taking in more than a 4% variance on the power rails. You are putting them in danger by pumping more juice into them, which will greatly reduce their lifespan. AND there are a handful of custom IC's that once they're gone, you cannot find a replacement unless taking ones off another board.
 
You really need to measure the voltage on a few spots within the actual game PCB with an accurate multimeter. Start with the jamma pin then measure an IC near the rear of the board and on a top layer PCB if present.

5.1V at the source is perfectly safe and normal given the voltage drop that occurs from wiring and connectors. 5.1V at the source (your power supply) does not mean the game PCB is seeing 5.1, it will drop down by the time it reaches the components of the game PCB.
 
Awsome! Thank you Frank_fjs. I'll do these steps when I get the chance. I got home went in my garage, looked at my cabinets pushed up against the walls, realized how hot it is in Cali right now, and said I'll check the voltages later and went back in the house. I'll just concentrate on setting up the HAS for now in my house with the AC keeping me cool.
 
I just got my order confirmation email yesterday and you have no idea how excited I am to finally play my CPS2 games =O =O =O
Congrats! Curious, when did you put your get on the waitlist or put your order in? I'm not even on a pre-order list so I think I'm months/years behind everyone else.
Around June I think...? I remember at the time that batch was expected to ship around October. Anyway you're probably fine since RGB is working on a webstore to start soon - no more old pre-order system.
Do we know which month preorders are shipping for? I placed my order mid July with the Google Docs form and have yet to get an order update email. Wasn't sure what the status was with things currently.

Much appreciated.
 
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I’d love to buy one of these when they become available. I’ve heard great things!
 
I’d love to buy one of these when they become available. I’ve heard great things!
Be prepared to wake up with white hair the day you can order one lol
I don't know where you're coming from with this. You realize I only work on this stuff in my free time? Have you paid money upfront to post such things? It's not the first time.
 
I’d love to buy one of these when they become available. I’ve heard great things!
Be prepared to wake up with white hair the day you can order one lol
I don't know where you're coming from with this. You realize I only work on this stuff in my free time? Have you paid money upfront to post such things? It's not the first time.
He’s the same guy on shmups.com that told me to die from Covid 19 and mocked what we are going through here in NYC because he was reminded not to price police the sales forum. He’s “that” guy.
 
I’d love to buy one of these when they become available. I’ve heard great things!
Be prepared to wake up with white hair the day you can order one lol
Still alive bro congrats.. @RGB i doubt you will release new batch this year, i am waiting over a year now beginning this year you posted you will release soon, then excused twice for delay for example because of your operations etc.
@St4rwalker This is not how we talk to each other here. Consider this a warning.

@brizzo @Mitsurugi-w
 
I had no problem obtaining my HAS Supergun, he is a super friendly person and above all professional with his products, I received mine last week and I am very happy with the purchase, I assure you that the product is worth every penny and is worth the wait. Here in my country there is a phrase that says so. In the way of asking is giving. Which means that if we do not know how to ask or do not do it in a respectful way, we will never get things and I think it is a lack of respect that they are doing to my friend @RGB
 
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