Recent content by Onji

  1. Onji

    How to un-turbo my Ms Pac-man machine

    Our resident @Charles Kline could probably burn and ship you a replacement 6F normal speed rom.
  2. Onji

    I need help understanding the operation of the video processing circuits on a pacman upright arcade board

    What is all that white junk on the IC pins? Hopefully not corrosion.
  3. Onji

    Dragon's Lair Restoration

    That's interesting. Mine show to be "ARKAY 31-8003" made in Taiwan:
  4. Onji

    Matsushita TM-202G Horizontal Sync Repair Log

    @CharlieG Worked on my first Matsushita 202g this week. Did full capkit and filtercap. Powered on and had display, but it was very bloomy. B+ was 118v and would not adjust. All resistors in that circuit were good. I was using my bench ISO from apar. I did notice it humming louder than normal. I...
  5. Onji

    FB - 3rd Party Robotron and Nibbler both for $750 - Irondale, AL

    Nice deal for someone: https://www.facebook.com/marketplace/item/1973757050183996/?ref=search&referral_code=null&referral_story_type=post&tracking=browse_serp%3Acd242c1e-aae4-4e4a-9603-b27cd72ebc0f
  6. Onji

    Sinistar cockpit stencils

    I did the same on a Robotron a couple of years ago. Tedious, but I was happy with the results. Album for those interested: https://photos.app.goo.gl/oGy4AYuLfSuQxXpv8
  7. Onji

    Price Check - Radikal Bikers

  8. Onji

    Low Force Joystick Grommets

    fwiw @jlpmauldin 's grommets are top notch as well. Still rocking them in my Robotron
  9. Onji

    Hello from Kansas

    Welcome! and good on your OP guy for actually repairing CRT's and not replacing with LCDs! Respect.
  10. Onji

    Williams Defender restoration help

    Lights 1 and 4 during initial boot indicate you have may still have one or more bad ram (or sockets) Do you happen to have any other williams boards you can swap ram around with? I know its a new set, but you never know. It could always be a false positive ram error. Meaning there's other...
  11. Onji

    New Project: Tetris Cabaret

    Ok for fun I asked AI to re-order the cabinets so they're visually appealing and this was the result lmao
  12. Onji

    Seeking help on rebooting Galaga PCB - see video

    Try upping your 5v a bit. to like 5.10v or 5.15v
  13. Onji

    Carnevil wont boot

    Interessante, chiederò al proprietario della scheda di provarlo, grazie!
  14. Onji

    Coin Controls Decal Repro

    Attached. This one is thanks to @DonPanetta and @kcorcoran I only found a PDF which is accurately sized for printing. This thread from @DonPanetta contains a lot of good stuff as well: https://forums.arcade-museum.com/threads/accurate-coin-reject-buttons.532879/
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