Question about Samsung Av-r730 A/v Surround Receiver Receiver Only Working Perfectly

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Samsung AV-R730 receiver has no sound

No speaker response at all

Posted by William Schilling on


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Tom Chichester

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  • Samsung Master
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Receiver could be in protect mode or suffering from failure of amplifier chain component(s)

Posted on Apr 08, 2021


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  • 286 Answers

SOURCE: My Samsung HT-AS720ST (AV-R720) surround sound receiver started

The problem is caused by the PULSUS PS9829B digital audio processor. We ordered it in from a Samsung authorized service centre.
Problem is now solved. Unit works perfectly. If you have never tried working with surface-mount ICs I would skip it if I were you. This IC has over 100 pins on it. However the part is available from Samsung. Print this comment and take it to your locat service centre along with your receiver. They should be able to repair the board unless they are wussies and cannot do surface-mount work.

Posted on Oct 21, 2010



  • 6 Answers

SOURCE: No HDMI output on Samsung AV-R730 AV receiver

more info please????

Posted on Jul 13, 2011

Priyesh Vadher

  • 547 Answers

SOURCE: how do i hard reset my samsung sch-r730

Try this code *2767*3855#

Posted on Jun 21, 2012

Steve K

  • 1054 Answers

SOURCE: my pioneer av receiver vsx1020 produces same sound in front and back speakers

Try changing surround modes. You might be in 5 channel stereo mode.

Posted on Mar 14, 2013

francisco abreu

  • 7 Answers

SOURCE: TV has low sound output through right speaker of stereo receiver

SAMSUNG DLP SOLUTION. I fix a similar model Samsung HLS model. I added capacitors to each of the three dc to dc converters on the main board. You can download the data sheet for ic212 (MP1583dn). Main board is where all the external connections are made from outside). Remove the metal cover which covers one third of the main PC board. To test this fix, only one of the dc to dc converter needs a capacitor. Location IC 212 is the dc to dc converter of major interest and will fix all problems. Add a capacitor on top of capacitor presently located at location c217 as printed on the pc board. be careful with polarity of capators. Do not place this capacitor on the ic pins of MP1583dn. The voltage at location c217 should be STB 3.3 volt. You could also place the capacitor at location BD212 (+3.3) and ground, instead of on top of capacitor if you need more clearance. BD214 and ground for converter ic 213 or on top of capacitor C236. At capacitor C212 for ic211 or at BD210 to ground. The value should be 33 uf or more, anything less will have limited fix. I would not pass 60 uf. I place a 33 uf capacitor with a working voltage of 35. This fix not only work for popping noises from speaker, but it also improve the colors. Solder with caution, leave no speck of solder behind. good luck. search the web for free service manual.

Posted on Apr 30, 2013

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Surround sound unit turns off right after I turn the system on and can not get it to stay on !!! I left for vacation came back and now the unit will not come on for more than 4-6 seconds ! My friend said...

Hi Ninh,
I had a similar problem with my stereo receiver not long ago. The problem ended up being a short in one of the speakers. If your speakers are powered separately from the receiver, it might be that one of them was damaged due to the storm. The short would cause the amplifier to shut down as soon as the speakers are turned on.

The easiest way to check this is to disconnect all the speakers, turn the surround sound on and then reconnect them one at a time to find which speaker is causing the problem.

Hope that helps.

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Try a quick blast of compressed air into the headphone jack area. Worked great for me.

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