Author: Oguz

Hello everyone, this time I have a SNK Neo-Geo MVS game cartridge on my desk. It has glitches with some of the graphics. MVS cartridges consist of 2 boards – the PROG board and the CHA Board. This particular PROG Board holds 16-bit P ROMs and V ROMs. P ROMs are Program ROMs. Some other…

Today, I have a Raiden 2 PCB purchased “with Graphics Glitches”: This PCB uses the -5v power rail for audio. Make sure that your PSU is also providing -5V. I’ll power up the PCB and look for the graphical glitches mentioned by the seller. As you can see, there are a lot of nonsense numbers…

Hello everyone, this time I have Moonwalker – perhaps my favorite game – on my desk. I bought this board “as working” but when powering up, I found out that the board doesn’t boot – it shows no activity at all.. And an IC fell out of the shipping box. But the funny thing is…

Hello everyone, today I have another board on my desk which I purchased as “working” but while my board boots up, it has issues. Irem produced several models of motherboards, and this motherboard is M92. It is a 2-stack board, consisting of a motherboard and a ROM board. M92 does not have any schematics.BUT wickerwacka…

Hello everyone, this won’t be much of a repair article but stay with me. This game is Konami’s Boot Camp. Actually this name is the name published in America – in Europe we know this game as Combat School. It is one of my favorite games. I thought it was the same between regions and…

Hello everyone, this time I have a Konami Asterix board that I got from the Arcade Museum forums.I bought it as non-working “error with 2 chips” at an affordable price. This is the board: I immediately attached it to my JAMMA Test Rig and powered it up. Indeed, we see 2 defective chips on the…