Recent content by stj

  1. stj

    MV1FS question (UPDATE - actually no sound!)

    put the new chip in a socket
  2. stj

    Revolution x wont boot up need a board repair

    cat piss caps :D
  3. stj

    MV1FS question (UPDATE - actually no sound!)

    you can get free kynar wire from inside disposable vapes! a free 500-1000mAh lithium ion battery too!!
  4. stj

    Replacement CPS1 Dip Switch?

    look on ali-express you can get the "piano style" or side switch type if you look
  5. stj

    Help w/99% working A board. Minor Graphical issue.

    i'm amazed there arent replacement chips yet, given the number of dofferent bootlegs that got around it using everything from shitloads of ttl to old pld's
  6. stj

    MV1FS question (UPDATE - actually no sound!)

    you can jump the trace from 2 endpoints
  7. stj

    System 32 desuicide and conversions: all games patched and released!

    that will do it! so if cleared levels divided by 2 =0 then change it to 7 1 cleared level divided by 2 and rounded to a decimal is 0
  8. stj

    Hakko FR-206 reconditioning and restoration - project log

    check if the transformer has multiple primary windings interesting how the pump is gated by a pair of solenoid-valves. i wonder if it runs the pump a second ahead of the valve to build vac before routing it to the handpiece? btw, clean that fan! :D
  9. stj

    Lindbergh yellow hotd4 HELP please

    does anybody have a faulty jvs card or 2 for sale/trade? what is one worth? i want to see what fails :) (and dump any memory devices on it)
  10. stj

    Two Namco System 11 motherboards with different problem.

    one probe on ground, then check each input/output to see if there is a shortcircuit. meter set to resistance setting then repeat with 5v instead of ground.
  11. stj

    Two Namco System 11 motherboards with different problem.

    you can check the filters with a multimeter
  12. stj

    Naomi Zero key?

    how much would you pay? just asking because you could just get a cheap programmer and make one
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