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Thread: MEGA CD M1 freezing when detecting disc

  1. #1
    Road Rasher
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    Mad MEGA CD M1 freezing when detecting disc

    I have tried to do some some reasearch into this, but have found zero on the issue.

    A JP MCD M1 system that I have recapped (main board only so far)and replaced the laser on has a very frustrating issue. It keeps freezing when it detects a disc. This happens on both the MCD logo screen and the cd controls screen. It DOES work, but also does this freezing thing and has crashed once or twice when it was working.

    I was hoping that it was not a major problem, or issue with a major chip. Any ideas?

  2. #2
    Hedgehog-in-Training Hedgehog-in-Training supersega's Avatar
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    Sounds like a power delivery problem to me. Check the drive itself for jams and test/replace the LM7805 at the end of the power board.

  3. #3
    Road Rasher
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    Thanks! I will check it out. I will re-cap the power/sound board today. There was a crap load of fluid around the power regulater on this board, so those 100uf caps especially need replacing. I finally got an order of about 350 caps, so I am ready to do some serious MCD repair work over the Christmas break.

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