audio

Picked up another MV1B, thought it was working fine however noticed some games didn't have audio, but some did and then with some experimentation found some games had slightly broken audio. For example, Xeno Crisis seemed to have all sounds, whereas not a peep out of Metal Slug and Garou was...

I got a pxlmod Seibu HB-45A reproduction for a Raiden II board with the classic squeaky audio issue, however because I'm a colossal dumbass I accidentally followed images from a different maker's reproduction for install orientation which ended up being backwards for the pxlmod one and I think...

Hi, I have in mind to add the headphone connectors + volume knob + stickers to my Aero City panel. I've seen a couple of pictures here from @Ziggy Cheetos Dust Aero CIty restoration project, that was very well executed, but the repro board by JNX for the headphones isn't connected. From what...

This issue is resolved. The problem was my capture card, the El Gato HD60X, and not my game. The Issue: Donkey Kong Jr. seems to be suffering from frequent, intermittent audio drop-outs, making it sound scratchy/crackly/static-y. Example: I have uploaded a clip of the intro (with sound) that...

Hello folks! I could use your help with Donkey Kong Jr., please! Details up to date as of: 04FEB2026. The Issue: Donkey Kong Jr. seems to be suffering from frequent, intermittent audio drop-outs, making it sound scratchy/crackly/static-y. Example: I have uploaded a clip of the intro (with...

Hi, I have a Hydro thunder that have no sound at all. the audio cable is working the amp is working the speaker are working there's no sound coming out of the computer I tested all the part in another hydro thunder so I was wondering if it's possible to install a sound card or something...

Hi all. I recently got a Tekken3 PCB and when testing it, i got no sound, being from JAMMA or from RCA jacks. The audio / JVS part had some of its parts corroded : as an example, this was what the JVS connnector looked like. But it's not the issue. The SPEAKER potentiometer was in pretty bad...

I have a Chewlix that I'm just using with an external PC. I removed all the stock electronics, wired up my own speakers with an audio amp, and connected it to my PC monitor with a 3.5mm audio cable. I have the amp and monitor powered off the same power strip I stuck inside the cabinet. When the...

Hi everyone, I just got myself an Atomic Punk Global Quest and when I connect it to my Blast City, there is some radio broadcast being picked up. Has anyone seen this issue before? Any solutions to this? Here is a video of the issue: https://photos.app.goo.gl/rrrKQ1Y39yivP3tq9 It seems to...

I've got an System 24 (currently with Quiz Ghost Hunter ROMs) that has broken audio, it just pops, sort of in time to the music if I compare how it runs on MAME. I'm trying to work out where/what the fault is. I've got the System 24 schematics, here's the audio section: There is a YM2151 OPM...

I decided to spice up my neglected little one slot MV-1C with some long over due work while I watched a movie. I decided to re-do my old full recap job since it was one of my first attempts, long before I had nice soldering and desoldering stations and quality caps. I also cleaned up my old...