Question about Onkyo TX-SR603X Receiver

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Noise ...hum Hi, I have STR-AV970X sony receiver 1991. Buzz on main speakers . I connect only 2 speakers. What happen ? Thanks Rej

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Open up the receiver. Check the fuse. The fuse protects the circut board from overload.

Posted on Aug 11, 2008

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How do I set up receiver


HI YES YOURE GOING TO NEED A FEW RCA CABLES u. can use video 1 to plug youre tv in and use video 2 to plug in youre vcr ::::::::::connect youre speakers up to the red and black speaker terminals marked L & R..good luck

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Str-de985 humming noise only when using FM tuner. Everything else works fine with no humming noise


Have you got a FM Antena hook up to it for the FM ,Sations, If not that could be causeing it to hum.

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I have a Sony STR-DG520 5.1 receiver. My problem is that I can hear a high pitched background whine from all the speakers, even if the volume is set to zero or muted! If I switch the audio source off, the...


do u have the unit earth grounded? sounds like AC hum, most amps have a ground lug, make sure that is grouned and the power plug to o the amp has a good ground.

Jun 15, 2010 | Sony STR-DG520 Receiver

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Ive got a str-dg520 reciever and have a loud hum coming from all speakers have tryed removing all wires then putting back in but still happens


Try replacing the big Electrolytic Capacitors in the power supply section. When they go the let the 50/60HZ hum into the audio from the mains supply.

Mar 02, 2010 | Sony STR-DG520 Receiver

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I have the sony str-da4400es iv had it since november 08 and all of a sudden my speakers started making a fuzzy noise all the time even during movies


Many things can be happening to cause this noise: loose connections; ground loops; speaker cables smashed, etc. Disconnect all sources and speakers, clean plugs and connectors, make firm connections, be sure of the energy quality at your home. Most sound noises come from fluctuations on voltage and energy. Consider to invest on a power conditioner. Good Luck.
Flavio/BRAZIL

Oct 15, 2009 | Sony STR-DA5000ES Receiver

1 Answer

Sound only some out of 2 speakers at a time. I need all 4.


Here you go buddy:
http://www.docs.sony.com/release/STRDE685.pdf

May 19, 2009 | Sony STR-DE685 Receiver

1 Answer

The sound on the 2 front speakers and the sub woofer on my Sony STR-DE597 turned off and I can't figure out to turn them back on. I've lost my manuel. When I use the test tone on the remote, only the rear...


First, you can find your manual here:
http://esupport.sony.com/US/perl/model-documents.pl?mdl=STRDE597

You may have accidentally pressed the speaker select button and disabled speaker A (main) and enabled Speaker B or disabled both A and B. Start with page 40 in the manual to select Speaker A.

On the remote, press the "Speakers" button (Off/A/B/A+B) repeatedly until you hear some noise.





May 02, 2009 | Sony STR-DE597 Receiver

2 Answers

I have a hum or buzz on AM and FM bands only.


I had the same problem, but it is not the tuner module! An exchange of capacitor C899(100μF/35V) on the standby board has resolved the problem. Under a dollar from an electrical store and you are all sorted. 10 minute fix for those with a soldering iron.

Feb 18, 2009 | Sony STR-DE685 Receiver

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