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  1. stj

    Multimeter recommendations?

    a quick warning about fluke, they work, they are well designed. but dont buy one expecting lifetime warranty or long reliable life. and dont buy one just to "wave a flag" fluke was recently taken over by a financial investment company (yes, fucking bankers again) and since then support has...
  2. stj

    Hakko FR-301 Desoldering Gun review

    you need to add an extra filter on the rubber hose to protect the pump from the flux vapor i use a small fuel filter designed for a small engine
  3. stj

    Track and Field board - all of a sudden not booting

    try a different ribbon cable too if you have another game with the same size ribbon i have seen the connection between the wire and plug contacts fail many times in old games - i dont think they hold up well to decades of flexing and people pulling the plugs out by the cable
  4. stj

    Outrunners Repair: cannot access Test Menu and graphical errors

    if it had rodent piss on it your in for a lot of work. but first - pull all the roms and if your programmer can check them, any socketed ram check as many chips as possible off the boards
  5. stj

    Enduro Racer Repair

    check the ribbon cables are all plugged in fully between the boards, there are 2 different versions - one is the same boards as space harrier
  6. stj

    Track and Field board - all of a sudden not booting

    the schematic ekorz posted is less messed-up than mine, that 220uf cap isnt even on mine - the scan has the edge missing! :(
  7. stj

    Track and Field board - all of a sudden not booting

    it looks on the schematics like it has 2, 47uf caps connected to a 555 timer chip there is a 3rd 47uf cap that controls some power stuff too. very strange schematic!
  8. stj

    Track and Field board - all of a sudden not booting

    replace the startup capacitor.
  9. stj

    Hakko FR-301 Desoldering Gun review

    aixun review View: https://www.youtube.com/watch?v=26KXtHZqhMg stand upgrade View: https://www.youtube.com/watch?v=vjppo4UfXS4
  10. stj

    MVS 1-Slot Cocktail (Atari Space Dual Conversion)

    whoever stripped the space dual guts out of it deserves to be hit by a truck! it's pretty rare compared to raster based coctail cabs :(
  11. stj

    Tournament Arkanoid conversion from Arkanoid

    with a very old programmer. i can do a lot of them, a number of other people here can too. *but* the blanks are hard to get and you cant erase them - so buying of ebay is risky incase they are already programmed. there is a polish supplier on ebay that may have them - i'll have to check the...
  12. stj

    Tournament Arkanoid conversion from Arkanoid

    i wanted to see if the colour proms needed to be changed. and they do.
  13. stj

    Tournament Arkanoid conversion from Arkanoid

    what romset is on your board?
  14. stj

    Tournament Arkanoid conversion from Arkanoid

    68705 may be hard to find a programmer for. i can do it for you if i have to. 6306 / 7116 etc are probably the same between games and can be left - i'll check later
  15. stj

    IREM BomberMan World no audio diagnostics help request. YM2151?

    you could scope your working board - to learn what a good chip has on it's pins :)
  16. stj

    Tournament Arkanoid conversion from Arkanoid

    ROM_START( arkatour ) // Tournament version ROM_REGION( 0x10000, "maincpu", 0 ) ROM_LOAD( "a75-27.ic17", 0x0000, 0x8000, CRC(e3b8faf5) SHA1(4c09478fa41881fa89ee6afb676aeb780f17ac2e) ) ROM_LOAD( "a75-28.ic16", 0x8000, 0x8000, CRC(326aca4d)...
  17. stj

    Tournament Arkanoid conversion from Arkanoid

    the mcu is in mame, does your original have a window to erase it?
  18. stj

    IREM BomberMan World no audio diagnostics help request. YM2151?

    do you have a working game you can test them in? btw, the 2151 is obviously fake, they milled the top down and added the print. try wiping it with acetone :D
  19. stj

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

    http://members.iinet.net.au/~lantra9jp1_nbn/gurudumps/s32convert.html
  20. stj

    Neo Geo Hyper 64 - Battery Mod

    lithium-thionyl chloride and other lithium rechargeables dont have much capacity, they never kept the clock running long in the dreamcast.
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