No Battery Mod for Y-Unit, T-Unit, IT32 and other Arcade Boards

A while back I worked out a drop in RAM replacement on the Midway Y-Unit Arcade hardware.

Continue reading ‘No Battery Mod for Y-Unit, T-Unit, IT32 and other Arcade Boards’

All Known Official Sega Panels for Astro through New Net City

When Sega launched the Astro City Candy cabinet they gave it a modular control panel to make swapping the panel as easy as swapping the the game board. They continued using this control panel Design up through the New Net City and many cabinets in between.

Continue reading ‘All Known Official Sega Panels for Astro through New Net City’

All the officially released Flavors of the Net City/NAOMI Universal Cab

A while back I was having a discussion around the many variants of the Net City and NAOMI Universal cabs and it got me thinking about how many “official” variants of these cabs there were.

Continue reading ‘All the officially released Flavors of the Net City/NAOMI Universal Cab’

Monitor Rotation for Vertical Games

A lot of arcade games run with the monitor rotated 90 degrees from the “normal” format that we’re used to with our TV’s. If you’ve ever tried to install one of these games in an arcade cabinet you might be scratching your head as to which way to rotate the monitor. The Truth is it depends on the game…

Continue reading ‘Monitor Rotation for Vertical Games’

Killer Instinct PCB Troubleshooting Guide

I recently bought a non-working Killer Instinct PCB and found it hard to find information on appropriate troubleshooting. So I pieced this information from all over the place and my own testing, hopefully it will help people determine what’s wrong with their PCB just from looking at what happens when it attempts to boot up.

Continue reading ‘Killer Instinct PCB Troubleshooting Guide’

Super Contra Repair and Single Board Conversion

I’ve been looking to add more Konami PCBs to my collection it’s one of the few areas I’m lacking and a few weeks ago I saw a Super Contra for sale on eBay, the board looked dirty but ok, and there were pictures of the game running. I didn’t really pay close enough attention and I think I was distracted at the buy it now or best offer price about $100 below what I normally see them listed at. I made an offer for another $25 lower and it was accepted.



Only later did I realize that the ad was tagged as having “Graphics issues”.

Continue reading ‘Super Contra Repair and Single Board Conversion’

VOOT Control Panel Dimensions

My friend Dave is looking to have some reproduction Virtual On OT panels made and since I have a few original panels he asked me to take some measurements for him.

Continue reading ‘VOOT Control Panel Dimensions’

Konami M2 Troubleshooting

I recently picked up 2 “non-working” Konami M2 boards. I’ve since managed to get both of them working. This hardware is actually fairly robust and it took minimal effort to get mine working but a long the way I learned a lot about how the hardware works and some common problems you might run into.

Continue reading ‘Konami M2 Troubleshooting’

What does solid-orange mean? And what’s with the couch?

I’ve been asked this question a few times now and, well, there’s a story behind it…

Continue reading ‘What does solid-orange mean? And what’s with the couch?’

Everything you’d want to know about Sega Type II IR Light Guns. Part 4: The Gun Sense Board

In Part 2 I broke down the details of the LED board, in Part 3 I broke down the details of the Sega/IR Sensor Board. Here in Part 4 I’m going to cover the Gun Sense Board and Protection Board

Continue reading ‘Everything you’d want to know about Sega Type II IR Light Guns. Part 4: The Gun Sense Board’