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I did a writeup on a few things you can do to get the most out of your MS9, including Placing a negative voltage on G1 like the MS8 for improved sharpness, and Modifying the chassis to run at 31KHz for Naomi, etc. http://mikejmoffitt.com/pages/ms9-hax/ Stay sharp!

Fixed! This chassis was entirely missing the X capacitors in the primary section. Transplanted them from a dead parts chassis, and it's rock solid now. no more 60Hz ripple, no more switching power interference. Original Post: I'm stumped with this chassis. No matter what I've tried, there's...

Got this going today: https://github.com/Mikejmoffitt/bublbobl-freeplay https://github.com/Mikejmoffitt/bublbobl-freeplay/releases/download/0.1/a78-06-1.ips

It was me, I got it. I have a lot of work ahead of me. This poor wounded bird has landed: Of course, everything about the control panel is bad news. I don't want these American controls in here at all. On the bright side, the top green acrylic piece is intact and survived the trip. I am...

Did a quick patch for Batsugun Special. https://github.com/Mikejmoffitt/batsugunsp-freeplay/ DSW1.3 now enables Free Play, instead of Test Mode. The Test Switch button on the JAMMA edge now enters and exits Test Mode when pressed IPS patch available in the Releases section of the repo.

I got this Darius Extra PCB to 1) dump (it was just a normal version) and 2) use in a big California Extreme setup with an LED matrix display and all this fancy stuff. Well, CAX did not really happen this year, so now the board is not getting the use I intended. I'm not raring to let this one...

I've got a bunch of these to clear out. I'm saving up for a particular programmer that's very pricy. BK Precision 864 - $150 This thing is a champ - it has been the most reliable programmer I've used, and supports even the old weird BPROMs and ancient EPROMs with weird voltages. It has a 48-pin...

I've created a Digikey BOM for a special MS9 cap kit. Wherever possible, solid-state capacitors (Aluminum Poly, Ceramic, etc) are used in place of electrolytic caps. This covers all of the signal section, with the intent of guaranteeing more linear response curves for the RGB inputs, and...

I am looking for the Tri-sync Sanwa PFX chassis. I have several Toshiba PF chassis, and would trade one, or otherwise would pay.

This is a crosspost from Shmups. Thinning out the herd of ones I don't play as much any more. If you're local, and I can avoid shipping, then you get a nice Corstat ESD box sized for the game. Jigoku Meguri / Bonze Adventure - $275 In great shape, has my free play ROMs installed. Original...

I got a Toshiba A68KJU96X tube in pretty good shape (in terms of phosphor condition and emissions) but with the face all tagged up. The scratches cut into the glass pretty deep. Furthermore, the anti-static coating was splotchy, having been rubbed off somewhat in the past. Nasty tags...

In short, I got this A68KJU96X tube, that has wonderful emissions, nice sharp focus, and... is scratched to shit. Antistatic coating is splotchy, which I can deal with, but it has lots of tags carved in it, which is harder. I'm talking to a local glass restoration business to see about dealing...

I have a Sanwa 27Z21 monitor in good shape. Just replaced the flyback, and it's looking good. Tube is sharp and bright. The size is the same as a 29" monitor as you'd find in a Sega cabinet, with a similar frame. The curvature looks like it'd fit a Blast, but I can not make promises. I don't...

Did a little thing for running versus connections between two cabinets for head to head. Uses three Ethernet cables, as they are flexible and easy to get in varying lengths. More details later - these aren’t available until I’m done with this splitfire batch! A few bullet points: • 3...

Did a quick patch for Bonze Adventure / Jigoku Meguri. Same patch applies to all regions; only two ROMs must be changed. https://github.com/Mikejmoffitt/jigoku-meguri-freeplay/releases/tag/1.1a

Metal Black originally has a no-attract coin mode, and no free play. As always, the source is on Github, along with an IPS release.

After about five minutes of being powered on with a tube I bought recently, with Twinkle Star Sprite's attract mode, my MS-2930 chassis had the screen suddenly go black (but not collapse as during a normal power-off), with audible static sounds from the tube face (like during a normal...

My control panels are getting out of hand, I need to get rid of some. Astro City Sanwa 2L12B - Very nice condition This was NOS about a year ago, has never seen spills, cigarettes, etc. No rust. Looking for $175. Astro City 2L6B - Okay condition I have a 2L6B panel in acceptable...

tl;dr: Replace R1. It is a 10 ohm resistor. One of my Blasts had two simultaneous sound problems. One of them was that JAMMA audio was more or less inaudible, with a buzzing sound replacing it. One of my Astro power supplies, the NVS-4000, was doing the same thing. Frustratingly, both used to...

Think of all the common problems a Blast City can have. now, imagine them all in one cabinet! Permanent monitor tube damage Missing parts Speaker rot Body cracks below control panel Stripped CP and PSU screws Internal body crack near monitor mount Screaming power supply fan Pushed in speaker...