Question about Technics SA-AX720 Receiver

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My Technics SA-GX330 A/V Receiver Stopped Working

I have Cerwin Vega VS-120's hooked up to my receiver and after playing music at about 50% volume the music stopped. The CD player is fine and so are the speakers. I checked the fuses in the receiver and they are intact. There is nothing abnormal on the display (it powers on like always), but when I turn the volume up, nothing happens. The only noticable difference is that now when I turn the volume knob up past about 1/3 of the way, I hear a fan kick on (and sounds wobbly). But no audio. I tried the Video input and the Tuner, both have nothing. Any help is appreciated. Ryan

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Technics SA-DX940

Ratnesh, I have this same receiver and the fan only comes on at certain volume levels. Unfortunately I now live in an apartment and can very rarely listen to it that loud. I had the same problem for a little while until I thought about moving the receiver to the lowest shelf with nothing on top of it. This seems to have worked so far although it does still get quite warm. Good luck!

Posted on Sep 28, 2007

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SOURCE: Technics sa 400 Receiver

Checked fuses then sprayed contact cleaner on the fuses and the fuse holders. The speakers began to work correctly.

Posted on May 29, 2009

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SOURCE: digital optical output for technics 5.1 surround sound receiver

I went to the HDTV plasma manual. It stated the only way the digital optical audio output would work (from this TV) was to go to the menu, select audio and turn off the TV speakers. Basically, it had nothing to do with the technics receiver.

Posted on Sep 17, 2009

Testimonial: "worked like a champ!"

seabelow
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SOURCE: Overload on Technics SA-AX710 Receiver

Turn it off...remove all the speakers and turn it on....If it goes into the protect mode. you have a bad power amp. That's the big black flat things attached to the cooling fins.. one or both is shutting the system down. If it doesn't trip out, plug a head set into the phono jack and see if you can hear the music there. Can you turn it up without tripping.... if it's still ok...hang one speaker on the system, if it trips thats the bad leg...check the speaker/wire

Posted on Oct 23, 2009

Sparky2012
  • 102 Answers

SOURCE: My Technics AV Control Receiver SA AX530 is in overload

An amplifier should never be turn on without speakers, it will overload internally.
make sure speakers work and try again.

Posted on Dec 04, 2009

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