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  1. MajorHavoc

    64B1T's Wishlist of Stuff (Black Widow, Space Wars, Star Rider, Phoenix and More)

    Read this thread And it turns out that John's Jukes (flippers.com) lists them for sale!
  2. MajorHavoc

    What fixed your game today / general repair log

    Offered to take a look at my buddies non-working Major Havoc boardset. Hooked it up to my scope in XY mode. No picture (dot in center). Had a SEEQ EPROM so replaced that. No joy. Pulled the EPROMs. All verified. Tested the CPUs and GAMMA tested bad. Replaced and we have picture! … but no sound...
  3. MajorHavoc

    Arcade Party: Saturday 11/22/25 - Northern VA

    Tron UR was missing some audio when I played it. 😕
  4. MajorHavoc

    Arcade Party: Saturday 11/22/25 - Northern VA

    Thanks so much @DogP & Lonnie for hosting! I set some more high scores and fastest KOs. 🙃
  5. MajorHavoc

    Arcade Party - Southern MD - Saturday Oct 4, 2025

    Wow! Has it been a month already. Thanks so much @64B1T !
  6. MajorHavoc

    Untested Meteors PCB

    An article written in 2022 (see link at bottom) seems to point to Venture Line or some other company being the originator of the hardware and software. I’ll quote the relevant paragraphs here: Holniker had procured his PCB (printed circuit board—the “guts”/”brain” of any arcade cabinet—which...
  7. MajorHavoc

    Untested Meteors PCB

  8. MajorHavoc

    Gottlieb boards for video games

    I have 5 main boards and 2 audio boards Mains: Qbert, Krull, and Curveball. All are working Audio: Qbert with working SC01a, but the boards are no longer working (I was able to test the SC01as before my working audio board failed) Thanks!
  9. MajorHavoc

    MD/DC/VA - Crabtowne meetup 8/16/2025 (Sat)

    I mixed up Crabtowne and 64b1t’s invite.
  10. MajorHavoc

    MD/DC/VA - Crabtowne meetup 8/16/2025 (Sat)

    A fun time at CrabTowne. From left to right: @tstone, Sam, @64B1T, @MajorHavoc, @mcdefjef Hope to see @vintagegamer, @CharlieG, and others at a future gathering.
  11. MajorHavoc

    MD/DC/VA - Crabtowne meetup 8/16/2025 (Sat)

    I hope everything is ok with your wife @vintagegamer.
  12. MajorHavoc

    MD/DC/VA - Crabtowne meetup 8/16/2025 (Sat)

    I’m planning to be there
  13. MajorHavoc

    GORF cabinet is stuck on test screen, replaced power supply

    Still learning new things. I just thought there were a lot of Gorfs with a common failure of washed out red in the monitor.
  14. MajorHavoc

    What fixed your game today / general repair log

    Game PCB: Major Havoc Symptoms: flaking out and resetting (eventually in a constant reset loop of the startup explosion sound) @64B1T stopped by to check out my MH in a Space Duel cabinet and after years of working mostly reliably, it decided that moment was the time to misbehave! We pulled the...
  15. MajorHavoc

    Mappy Broken Resistor please help verify

    There are capacitors that look like resistors. https://electronics.stackexchange.com/questions/202581/what-kind-of-capacitor-is-this-how-to-read-its-value-code#:~:text=The%20stripes%20on%20the%20capacitor,the%20final%20value%20in%20pF.
  16. MajorHavoc

    Super Punchout (punchout) PCB Help

    I can’t figure out a pattern in the picture. Are some of the slices transposed horizontally?
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