Question about Optimus STAV-3770 Receiver

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Optimus STAV 3770 muting problem

Only the remote includes muting control. I have lost the remote. How can I turn off muting on my receiver?

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5 Suggested Answers

  • 1 Answer

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


  • 336 Answers

SOURCE: i need a replacement remote for a optimus

Optimus was sold only by Radio Shack. It would be a special order. Get the catalog # from the rear of the receiver (31-XXXX)

Posted on Dec 11, 2009

  • 118 Answers

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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1 Answer

We have a Optimus STAV-3770 that is stuck on 'Muting'. Have tried everything we can think of to no avail. Even purchased a new remote.Is there a solution.


Switch off the mains supply before connecting/disconnecting any cables.

Disconnect all the speaker cables and switch on. If the fault clears carefully check the speaker wiring for shorts before reconnecting.

If the fault is not in the speaker wiring or speakers the amplifier will need expert attention. Faulty speaker wiring can easily damage solid state amplifiers.

Aug 03, 2014 | Optimus Audio Players & Recorders

1 Answer

Mi receptor optimus cuando enciende aparece power off y se apaga en pocos segundos


tengo un problema con mi stav-3770 y cuando lo enciendo me dice power off que debo hacer en ese caso ??

Jan 08, 2013 | Optimus STAV-3770 Receiver

1 Answer

Alright for some reason my receiver is muted but i don't have the remote to fix it and there isn't even a muting button. So i've been wondering how to fix it.


It's muting out because you have a problem with one or both output transistors. Somehow they got shorted out. My speaker wires came loose and crossed blowing the outputs. I'm sure it's repairable but with an amp this old you never know what else burned up down the line. It was a great amp but because of its' age I thew it away.

Dec 22, 2010 | Optimus STAV-3770 Receiver

1 Answer

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

Sep 07, 2010 | Optimus STAV-3770 Receiver

1 Answer

I need a new remote to replace the old one for a optimus stav 3770


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

Sep 06, 2010 | Optimus STAV-3770 Receiver

1 Answer

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

Feb 10, 2010 | Optimus STAV-3770 Receiver

1 Answer

Muting engaged on power up


This not muting, but protect mode. This means that a problem was detected internally and the unit has shutdown to prevent further damage. The most common cause of this is a failure of the output transistors. Expect a parts cost inthe $20-40 range for this repair.

Dan

Feb 04, 2010 | Optimus STAV-3770 Receiver

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