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Question about Optimus STAV-3770 Receiver

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When I turn my optimus STAV-3770 on it reads poweroff and then cuts itself off..please help me

Posted by aljovanns on

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adam dombrosky

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Unfortunately most stereo mfgs. install a protect (shutdown) citcuit if it detects an internal short (bad amplifier )or a external short( bad speaker)....disconnectl speakers see if it still shuts down if so there is a genuine component failure inside..however if it stays on then in all likliehood its a bad speaker

Posted on Sep 07, 2010

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When I turn on the STAV-3770, after the five seconds for the inital click that is ready to go, the unit turns off and back on and keeps repeating this process.

Most of these units come with a replaceable fuse in the back (about the diameter of a penny). I believe that the unit will shut itself off if the fuse is blown. Excessive use, moisture or a power surge will blow the fuse. Radio shack may have a replacement for you to buy. I would try this first, as it is a fairly inexpensive solution. If it turns out that you have a more serious electrical problem with the unit, I would consider replacing it. The new 5.1 systems are cheaper than ever, more energy efficient and sound better to boot.
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