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Hope everyone is well. This might be an entirely random question and not too relevant/interesting to anyone, but I got a Toaplan Hellfire board and the jamma edge was interesting. The jamma connector was silver except for a thin strip of copper coloured metal at the very edge (on both sides)...

Hello, hope everyone is well. I am new to TTX2 and have three questions that I have not found a clear answer to in my research. My use case will just be running stock, original TTX2 games (no multi) and no Nesica: (1) Is there any difference between the 208A and 215A hardware in relation to...

Hope everyone had a good Christmas and happy new year in advance. I managed to buy a SF3 2nd Impact kit that had been on the wishlist for a while! From reading other posts it seems it is safe to remove the battery from the cartridge as this game does not have encryption. This is my...

Hope everyone is well. Acquired a Primal Rage PCB in Japan and it arrived without some ROM seals (3 seals missing in total). For those with the same boards, or knowledge of this very cool game, can you tell me if this is normal (e.g. sent from the factory like this) or something that might...

Saw this on Suruga.com - was rather intriguing. A Vewlix panel modified with JVS IO, power, network cable, test buttons, speaker output etc., and a sticker mentioning Nescia Live. Does anyone know anything about this? Thanks

Hope everyone is well. Perhaps a somewhat unusual question but I was hoping someone knows something about this SF2 control panel. It is shaped differently than the SF2 ones you typically see on Aero City size panels (wider at the bottom below the centre bottom screw) and the Capcom logo is in...

Hope everyone is well. Maybe an odd question, but I received this CAVE PCB and noticed a scratch at the top edge (near the sticker) that looks a little deeper than a surface / superficial scratch. Based on its position, does anyone know if this is a concern or not (specifically, is there...

I just received a Japanese ESP RA.DE board. I noticed that there was some flux on the underside against three or four of the blue ceramic capacitors. One does not look a great job on the soldering from the top. Has anyone else had this on their ESP.RA.DE boards or knows if there is a reason...

Hello. To start testing the various devices and superguns I have, I purchased an oscilloscope (entirely the fault of everyone on this thread https://www.arcade-projects.com/threads/testing-bnc-and-vga-cable-voltage-and-resistance.16850/)! I read, however, that a 75ohm BNC input from the...

Hello. I want to test cables coming out of a couple of superguns / consolised MVS to check what RGB and sync voltage and resistance they are generating. I can find lots around general multimeter usage, but surprisingly nothing about testing output voltages and resistance for these kinds of...

Perhaps an unusual request, but here it goes: I recently bought a Σ3TB joystick (https://w.atwiki.jp/sigma-denshi/sp/pages/33.html) for use with the Sigma Σ1AV supergun. It is an amazing joystick (good size, feel, and sturdy build quality). I would like to buy another to use for a Neo Geo JNX...

With an approaching battery replacement cycle on my four CPS2 games, I am left with somewhat of an existential crisis. Do I keep them on batteries, preserving their original state, or move to a battery-free solution, like Infinikey, to safeguard against leaks? Most of the time they are being...

Hi - i took a risk buying a Ghouls n Ghosts first edition Japanese PCB. The game pretty much defined my childhood gaming memories so I was very excited. When inspecting the board today I noticed two jumper wires soldered underneath the game board. Does anyone know if this is standard on all...

Hope everyone is well. I have a question for those with an original Splatterhouse arcade PCB. Is the capacitor (resistor?) shown circled in the picture normal/factory standard? This is on the underside of one of the boards. I am considering buying the PCB, but wanted to be sure this is normal...

Hi - hoping some technical wizard can magic up som help. I got a New Net City cabinet recently and have installed the RiverService JAMMA loom, however when i turned it on for the first time today i got a horrible image on the monitor - wrong colours, over exposed, blurred etc. I read somewhere...

Hi - does anyone know the best/safest way to wire a JVS New Net City for JAMMA, specifically the sound? I have a RiverService JAMMA conversation harness (https://www.rs2006.co.jp/e/jamma_harness/index.html) but the sound goes to RCA connectors that are meant to go into the NNC amp, then to the...

Hi - my X-multiply board has always had these strange vertical jailbars on the screen (transparent, close together and running across the whole screen). I am playing on an LCD but i tried a variety of different scalers and connections and it is not happening on other boards, so i think it is...

I was trying to adjust some geometry in the Service Menu under the Deflection Block menu. This was mainly vertical and horizontal size, position, v linearity, etc. After i adjusted this red bar started to appear on the right of the screen (CMVS neo geo input) with ghosting to the left of...

Greetings from Tokyo. I signed up a number of weeks ago but rather rudely neglected to introduce myself, and so i am righting that wrong. Akin to others on here, i have been playing games since i got my first Spectrum, then graduated to a Sega Mega Drive, Super Famicom, etc. Culminating as i...

Hi - I've been reading various threads on the dangers of not attenuating RGB output from PCBs and the Neo Geo. It's not something i gave much thought to but in retrospect perhaps i should, and maybe others haven't too. I have a JNX CMVS and Raijin/Hakuryu supergun, (both of which are...