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  1. Atari ARII missing 12V - Manufacturing Fault?

    Here's a weird question for the ARII folk on here, had an ROTJ on the bench recently, and it came with it's original ARII (identical serial numbers). The board had logic faults that are now fixed, but the owner sent the ARII as he was getting 0V on the 12v rail and he took this to be a sign the...
  2. AVG Replacement IC - Flashing activity LED

    Does anyone know what the activity LED on the ArcadeShop AVG replacement chip actually signifies, other than "activity"? I've got a known good one (it works fine in my Star Wars board ), but on a faulty Vector board the activity light blinks on and off, once per second. I've tried to trace the...
  3. TL072 Op-Amps on Star Wars?

    Hi Folks, has anyone used TL072 op-amps instead of the original TL082s on a Star Wars Vector PCB? The TL072 seems to be regarded as a low-noise equivalent of the TL082. I can easily get 72s in a local electronics store but 82s would mean postage costs and they probably wouldn't arrive until...
  4. Raiden Fighters Request

    Hi folks - does anyone have a working Raiden Fighters PCB and a multimeter handy? I've got one here with object issues and a shorted address line on the SRAMs. It isn't the SRAM chip itself, so either the custom IC is shorted, or this is normal and just a very strange design decision. With A0...
  5. Please Delete

    Sorry wrong section - please delete if I havent found a way to delete it myself.
  6. Amplifone HV Board Calibration

    Hi Folks Does anyone know if an Amplifone HV board calibrated on a 25" tube would need re-calibrating if it was going to be used on a 19" tube? Both tubes are the Atari (Rauland) originals. E.g. if I repair and set the working voltage and cut off in my 25" Star Wars cockpit, how transferable...
  7. Atari System 1 / System 2 - Side wall 5v PSU

    Hi Folks Is the secondary 5V PSU bolted to the side in System 1 & 2 cabinets the same between both cabinet types? Cheers
  8. Star Wars Cockpit #2069 Restoration

    Picked this up locally 9 months ago as a bit of a beater. The only thing in good condition was the side art. Was faulty, had monitor collapse, no sound, a broken controller and an unpleasant smell. The mouse hotel in the coinbox was a nice touch, thankfully no corpses found, just a whole lot...
  9. Star Wars Cockpit Screws

    Can any kind SW cockpit owner tell me what the original screws on the electronics bay roof should be? It's the large square panel that sits between the roof vent rectangle, and the rear door. Mine had a selection of random wood screws on arrival, and I'm getting to the end of a full...
  10. Anyone have this high voltage probe? (SK-9000v)

    If you do could you unscrew the red portion and post a photo of what should be inside? I’ve got the two big resistors and the probe tip, but there is about an inch of slack. I suspect I’m missing a spacer or a spring, so the whole thing rattles and the probe tip is loose.
  11. DK PCB Timings

    Hi Folks I've got an original DK TKG-4 2-Layer board on the bench that now appears to be working fine, but the owner says the timings between when Mario's jumps is off compared to MAME, a 60-in-1 board, and the Nintendo Switch version (all emulation). On the real PCB it seems you have to wait a...
  12. Odd Star Wars PCB Mod

    Hi Folks I've got a Star Wars PCB on the bench at the moment, which works fine, but the 7815 voltage regulator on the vector board has been replaced with a 7812, with a bzy88c zener diode connected between PCB ground and the vreg ground pin. Can anyone shed light on why this was done? It looks...
  13. Atari Controller Switch Repair - Omron B3G Microswitches

    Atari Controller Switch Repair - Omron B3G Microswitches Am re-posting this as the original thread contains dead photobucket image links, and is locked due to age Hopefully this will be of use to a few people, Atari used Omron B3G switches extensively in controllers on cabinets from the late...
  14. DataIO UniPak2 Question

    Can anyone with a 29B and a Unipak2 do me a quick favor and check something? I finally got hold of one of these down here and the Pak interconnect is a bit beat up. The system works but one of the pins on the UniPak2 looks like it has either been trimmed short, or has snapped off, it hasn't been...
  15. Hard Head PCB -Bootleg Plea

    Hi Folks Am looking for a hard head bootleg PCB that I can either buy, borrow, or one that you can take some good photos of. Specifically the daughterboard as that is what I need to fix my original one. The daughterboard on the bootleg replaces a solid encryption block on the original which...
  16. Omron B3G Switch Repair - Atari Controller Switches

    Omron B3G Switch Repair - Atari Controller Switches Hopefully this will be of use to a fair few people, these switches have been causing people nightmares for many years it seems. They are found in a number of Atari machines with odd controllers from the mid 80s such as Road Blasters and...
  17. Atari Vindicators Restoration

    Picked this up a while ago and it sat in the garage for too many years before I forced myself to crack on with it 8 months ago. This would probably have been considered beyond repair in the US, but custom cabinets like this are rare in Australia and shipping is insanely expensive so they stay...
  18. Anyone near an Atari Vindicators machine?

    Could you do me a quick favour? I have a confusing collection of screws in numbers that don't make any sense that need to go back onto my cabinet. It was a wreck when I got it so I am fairly sure a few were missing or mismatched on it then, but that was 4 years ago so I am stumped now. Can you...
  19. Wanted - Weird Atari Parts

    Hi All Am approaching the end of the Vindicators restoration and am down the last few bits I need, and I am somewhat stuck. As the cabinet was made in the US everything thing on it is Imperial, and being in a metric country means I have no chance of easily finding these things here. 1) I need...
  20. Atari Over/Under Locks

    Hi folks Does anyone know what length barrel I need for the doors on an Over/Under coin door on a Vindicators? Research online has confused me majorly, the standard advice I have is that a 7/8 inch lock is standard on most coin doors. Except I have an old 7/8 lock from the rear door an that is...
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