Question about Bose Lifestyle 28 System

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Loud humm. I have to keep the volume down when watching the TV.

I get a humm on my bose 28 system. Someone told me to install a fiberoptics cable between the cable box and the bose unit and this did not work.

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A humm may be caused by a cable TV grounding problem called a "ground loop." Basically, the grounding for the Cable TV line and the power outlet for the TV are at unequal levels. I had this same humm with both the internal TV speakers and with external speakers (headphones, etc.). The 2 solutions are (1) install a Ground Loop Isolator at the TV, or (2) call the cable company to troubleshoot the problem. I figured the time I saved dealing with the cable company was worth the $50 for the part. I installed the Jensen VRD-1FF which has worked perfectly! Ordered from eBay and saved about $12 over the Jensen Electronics web site price. Hope this helps.

Posted on Dec 27, 2008

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How can I hook up my Bose cinemate on my Philips HD tv when no there is no Audio out and I want to use it for my dvd player, cable box, and video systems?


You don't need to send audio TO a TV. I's a TV, not a source of anything. Many of us use monitors (no TV speakers). The Bose speakers are presumably superior to the TV speakers so whatever the TV is watching (cable/sat/dvd) shuld have its own audio.


Page 11.

If your TV does not have any audio output jacks, you can connect the CineMate™ speaker

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http://www.retrevo.com/support/Bose-Cinemate-Speaker-Systems-manual/id/526dj591/t/2/

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If your TV has a menu for setting the volume out its RCA connections I would recommend you set it to whatever resembles FIXED, so it's volume control won't kill the stereo analog audio going out to the Bose. Then you can turn it off at the TV and listen through the Bose.

For the best multichannel audio you should get it digitally from the original source you're watching on the TV, but NOT from the TV itself.

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You have to run an audio path with RCA cables from the TV (or the cable box, as applicable) to the Bose, then disable or turn down the TV volume.

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I am trying to figure out how to connect my blu ray and HDTV to my Bose lifestyle 28 and also have a HD cable box. The Lifestyle 28 has no HDMI inputs and was purchsed in early 2002. I believe it is a type...


Only one can be digital. TV preferably since you probably watch more tv than dvds. use the analog output from the bluray to the analog in on the lifestyle 28 and optical for TV

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You have a bad ground through the cable box or cable system. This causes AC to leak into the TV showing up as bars that roll from bottom to top and sometimes audible as well. Have the cable company replace the cable box and/or check out for proper grounding outside at the demarcation point.

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I have a loud humm in my bose lifestyle 28 system


Turn on your bose so you can hear it hum. Go to the back of your cable box and remove the co ax cable connected to "cable in". If the humming stops, the sheilding on your cable is no longer grounded. Purchase MPAV800 or similar surge protector to run cable line through it and get it grounded.

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Your Bose system doesn't lead sound trough hdmi.
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I have also have this problem with a lifestyle 28 system. Bose sent me a new cable then a software update. The problem remained, after contacting Bose and unplugging cables and powering down the system this solved the problem. However 2 days after and the problem has re-appeared. Back to square one. I should add that this is the second unit I have had the retailer exchanged the last one because of the same problem.

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Home Theater install


yes sounds about right what you are doing as long as you have 2 digital audio 'inputs' on your Bose to get the audio from the dvd player and cable box. Apart from your last part "I will then use Digital Audio from the Bose to the TV." The tv will only downrate the audio to two channel stereo, so its not worth puting audio through the tv as you only get stereo anyway, so might as well let the tvs speakers power it out themselves.

Aug 17, 2007 | Bose Lifestyle 28 System

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