Sony got you! I am guessing DVP 530. Sony had serious problems with over-heating. The best option is to trash that DVD player -- second best is to open the case and install a small cpu fan to cool DSP. I have this unit also -- put your hand on the top of the case after the unit has been used for a movie -- it has great function as a space heater. In extreme cases the player will lock-up and requires you to pull the plug to reset the unit.

Do a little search on AudioReview -- there are many upset owners of these units.

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Jeff