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  • Users: DarkSide
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  1. Powersupply (520-5047-02) - To high voltages.

    Hi guys. Im trying to figure out what is wrong with my power supply from my Jurassic Park, the bridge rectifier died, and the high voltage died, bridge rectifier has been changed and +5 volt is back, found a few dead zener diodes in the high voltage D9/D10/D11, and a dead TR4 (MJE15031)...

  2. Jurassic Park Restoring.

    Hi. I had the last few years a Data East Jurassic Park machine standing in the garage in pretty "bad" shape. Put a question on RGP if i should part it out, or restore it, well the decision was to restore it, and i've got the machine moved inside, and started taking it apart to clean. As of...
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