KPW66's latest activity

  • KPW66
    KPW66 replied to the thread PP2 CPU board (Atari) boot issue.
    you can see the object are there and look correct, they are just super narrow until it flips to the larger object. So, something is off...
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  • KPW66
    KPW66 replied to the thread PP2 CPU board (Atari) boot issue.
    Here are some examples of issues with the small items (first pic) that then render good (mostly) once they become large (second pic)...
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  • KPW66
    KPW66 replied to the thread PP2 CPU board (Atari) boot issue.
    Yes, thanks, been all through that. It's less an issue of the actual object (like the car or sign) and more an issue with the width...
  • KPW66
    KPW66 replied to the thread PP2 CPU board (Atari) boot issue.
    UPDATE: Actually both comments above have helped immensely, let me explain. First, I installed a PP1 Video board and it booted fine...
  • KPW66
    KPW66 reacted to TimePiloteer's post in the thread PP2 CPU board (Atari) boot issue with Like Like.
    Yes, it’s z80 then B then A. What you can do is replace your video pcb with a PP1 video pcb, which can sometimes get a ram or rom error...
  • KPW66
    Looking for some help on a CPU board repair. I've spent some time over the past few days repairing 3 PP2 sets, and 2 PP1 video boards...
  • KPW66
    KPW66 reacted to pacray's post in the thread Need help with Gorf with Like Like.
    That did it. I cut the line for the test switch and all is now working. Thank you!
  • KPW66
    KPW66 replied to the thread Williams Defender Arcade Prototype.
    Interesting….. here are mine
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  • KPW66
    KPW66 reacted to mecha's post in the thread Williams Defender Arcade Prototype with Like Like.
    I've been working on Williams early solid state games and was like "ok they replaced all the plugs", but that's just how they were made...
  • KPW66
    KPW66 replied to the thread Williams Defender Arcade Prototype.
    This would be (at least) the 7th "pilot" Defender found, with three of those being in the UK. Not sure if the one that is/was in Utah...
  • KPW66
    KPW66 replied to the thread Toei CM-F20U No Picture.
    Thee flybacks are notorious for giving up the ghost. Mine had a bad heater winding too. Find a new monitor
  • KPW66
    KPW66 replied to the thread Need help with Gorf.
    There is only one chip on the RGB board (the TBA530), so when I called out “bad chip on RGB board” that’s what I was referring to. I...
  • KPW66
    KPW66 replied to the thread Need help with Gorf.
    and yes.... you're missing Green so that's likely: bad chip on RGB board (small board between cage and monitor) bad connector or wire...
  • KPW66
    KPW66 replied to the thread Need help with Gorf.
    Ok, that was step 1 and it does confirm that it is not the boards, as disconnecting that connector severed the test switch from the...
  • KPW66
    KPW66 replied to the thread Who works on Super Cobra PCBs.
    With the Scramble/Super Cobra boards the sound issues are often just the amp. Save yourself a bunch of shipping and repair fees and...
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