Have a concern/question about My JVC TH-M505 Home Theater System. No matter how long and hard I've played my system I've never seen nor heard the fan on the subwoofer/amp unit come on. At times I've put my hand by the openeing and felt the warm air coming out of the unit. My suspicion was aroused because every once in a while I will loose audio, though neither unit shuts off. Simply cycling through the "source" button and coming back to the source we're using restores it. I've been very happy with this unit and of course, don't want it to go "up in smoke" because a $5 fan didn't turn on. Would appreciate any info you have on this. Dave Boyer

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