Question about Optimus STAV-3770 Receiver

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Optimus Stav-3770-Turns on then off

I turn my reciever on then it says "powering off" right away everytime i turn it off. I hope you can help. thanks

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  • steelrazor Mar 01, 2008

    My STAV-3770 does the same thing. You turn it on then several seconds later the display says powering off and it shutsdown.

  • Anonymous Nov 29, 2008

    my stav 3780 receiver keeps powering off. It gives the message powering off and then turns itself off.

  • Anonymous Jan 25, 2009

    I have this problem too, any solutions??


  • quest22 Feb 13, 2009

    I have the same problem. they told me it was the fuse I need to change. Need a solution.

  • carolc_84 Apr 05, 2009

    I have the same problem I'm bummed...but I've had the receiver (Stav 3770) for almost 9 years if i'm correct...what kind of fuse does it need...i hate to have to buy a new recevier is it worth changing the fuse...??? It out of nowhere shut itself off...sometimes it would do that if like the volume was way too loud...so my speakers wont blow...but usually it'll turn right back on...When i turn it on...the light flashes then says "powering off" and turns off....Has anyone figured out what to do??? Thanks!

  • Anonymous Apr 13, 2009

    SAME PROBLEM ! MY STAV-3770 RECEIVER DISPLAYS "POWEROFF" A FEW SECONDS AFTER TURNING IT ON, THEN SHUTS ITSELF OFF. I WOULD LIKE TO KNOW WHAT CIRCUITS THE PROTECTION SYSTEM MONITORS. HELP ----

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SOURCE: how to hook up TV so it can be heard on Optimus STAV 3770 system

how to hook up on my hd tv

Posted on Oct 28, 2008

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SOURCE: Can I connect a stav 3770 optimus to a directv dvr

sure...red and white out of the dvr into any input on the 3770 and it should work if its setup and working properly. good luck

Posted on Feb 11, 2010

adamncc1701
  • 158 Answers

SOURCE: When I turn my optimus

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

  • 2 Answers

SOURCE: i need a new remote

Buy a universal remote, program it manually and try the Yamaha codes first.

Posted on Sep 29, 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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When I turn my optimus STAV-3770 on it reads poweroff and then cuts itself off..please help me


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

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Buy a universal remote, program it manually and try the Yamaha codes first.

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Can I connect a stav 3770 optimus to a directv dvr


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