Tag: irem

  • Repair Log: Irem M92 arcade PCB

    Status: Unsuccessful Repair due to failed Nanao custom. Diagnosed from 11/28/2022 – 12/7/2022 I got a good deal on a Gun Hohki Irem M92 PCB because it booted up with errors. On M92, the main CPU, graphics rendering hardware, sound synth, sound amp, system RAM are all on the top board. The bottom board holds […]

  • Repair Log: Irem M72 arcade PCB

    Status: Repaired Successfully Between 4/26/2021 – 6/22/2021 Received for repair this Irem M72 board stack labeled as Legend of Hero Tonma. It would boot to a corrupted screen. Checking around the EPROMs, I noticed two things immediately:1) The ROMs and MCU are labeled for Image Fight, not Tonma.2) Some of the ROMs were installed in […]