Question about Onkyo TX-SR502 Receiver

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Speaker jack not working

The right front speaker jack is not working properly. It sounds muffled and "staticky". Tried different speakers and speaker wires in this jack and all sounded the same.

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Re: speaker jack not working

Sounds like your right front output transistors/IC may have a problem, not the jacks. Time for a trip to the shop I fear.

Posted on Jan 14, 2007

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Rear speakers do not sound right they are working but sound muffled or something help??

Rear speakers in 5.1 are no more than sound reinforcement. The brunt of the work is done by the front left and right with most of the burden falling on the center channel.

Feb 11, 2010 | JVC RX-552V Receiver

1 Answer

Sound coming from speakers is very quite. must

check your manual for a quiet mode, or reset factory defaults. it might be stuck in "attenuator" mode, where sound is muffled, in case you're answering a phone.
Good luck!

Jan 23, 2010 | Onkyo Tx-sr507 A/V Receiver

1 Answer

Sony HT 6500 speaker jack crackles as soon as speaker wire is connected to it. Tried new wire, new speakers...same thing. Tried to reset to factory settings...ONly L and R front speakers...

try to spray contact cleaner into the speaker port itself.. Powered off of course.. let it dry and try again.. this will clean any connectivity issues due to bad contacts.. as far as replacing jacks.. try the suspected "bad" speaker and wiring in another port.. if it works then the speaker and wiring is good and you have to check actual jack in which you were asking and back to auto amplifier circuit or transistors.

Dec 16, 2009 | Sony Audio & Video Receivers

2 Answers

7.1 speaker setup: no sound coming from right front/surr speakers

Solution to having no sound coming from certain speakers in a 7.1 speaker setup for TX-SR606 receiver when playing a DVD.

Review the cable setup for the DVD player since it was identified as the source of the problem. Best to unplug and plug in the cables to ensure they contact the back of the receiver's RCA jacks. Redo the microphone setup for Audyssey 2EQ calibration. A good chance that it is the cable that may have caused the malfunction and loss of sound from the speakers. The cables can come loose during setup and not plugged all the way to the back of the RCA jacks or a defective cable causing signal loss.

Apr 15, 2009 | Onkyo TX-SR606 Receiver

1 Answer


If I understand you right, you have 7 speakers on 7 different channels.
When you have just 1 speaker connected it sounds fine, but any time you add more speakers it shuts down, or does it sound fine until you have all 7 of the speakers connected.

Bare with me, and we will figure this out. It is a very diificult job trying to troubleshoot something that is not in front of you.

After this post, it will be about an hour or so before you will hear from me again, I will be on my way home from work.

Is this a 5.1 surround system or is it listed as 7.1?

Do have have any speaker outputs with more than 1 speaker connected to it.

If this is a 5.1 system, do you have speakers connected to the "A and "B" speaker jacks?

What kind of speakers are they, and do they say on the back where you connect the speaker wire what ohm rating they are. Most speakers for your home are 8 ohms.

in case you were wondering what a 5.1 and a 7.1 system is:

the 5.1 system has front right, front left, center, rear right, rear left and the .1 is for the sub-woofer that is normally a RCA jack output on the back of the receiver

The 7.1 has all those same speaker outputs plus it has a surround back with right and left channel.

I will get back to you in about an hour or so.

Jun 23, 2008 | Audio & Video Receivers

2 Answers

Can get either 1 or 2 speakers working at the same time.

u can't do use a 5 with a cox only with fiberoptic than it will work

Jan 12, 2008 | KLH R5100 Receiver

1 Answer


check to see if the radio is clear. If it is it may be the signal going into the amplifier. if it is muffled as well, depending if you have an Equalizer hooked to the unit. This also could cause the problem. Finally check the bass, treble balance and volume knob but turn them back and forth while unit is on and see if signal clears up momentarily. if this is the case the control knobs need to be cleaned. Also spin the connection jacks {RCAs} in the rear and see if this clears it up. If not you may have to have the unit serviced by a professional.

Jul 13, 2006 | JVC RX-618V Receiver

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