Question about Bose Acoustimass 5 III System

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My older bose lifestyle system has a hissing sound coming from the speakers when there is power to the base init but not the player, Is the base unit on its way out

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6ya6ya
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Posted on Jan 02, 2017

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CLARKPINK55
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SOURCE: Bose surround sound system cuts off

Hi when you turn on check all your speakers work check connections make sure the wire has no stray strands touching the fault could be in the sub unit this is possible / or your speakers one or more could have gone short circuit due to exessive volume thats if you play loud. Had a party lately .Just joking .Regards kirk

Posted on Dec 10, 2008

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SOURCE: Bose Powered Acoustimass 30 Speaker System

The master on/off switch will usually be on the back (or maybe even the bottom) of the largest component, which contains the power and control circuits.

Posted on Dec 28, 2008

  • 1 Answer

SOURCE: Bose Lifestyle V20 Error 180

OK talked with Bose just a minute ago and they were able to correct the issue.

We disabled the power cord from the back of the media console (where the HDMI cables connect) and left it off for a minute or two.

Powered the media console back on and it is working as expected.

Was told by the Bose tech that the common reason for this issue is due to the use of the HDMI cables that have a propritary security protocol that is used between the media console and the component it is attached to (ie TV, Cable/Sat, BluRay ...ect).

I asked if there was a BIOS upgrade if it was indeed a "handshaking" issue and was told there was not one (yet).

If one becomes available, it will be shipped via mail on a CD\DVD that can be used in a CD\DVD player that is connected to the media console using the HDMI cable.

Hope this helps!

Posted on Jan 26, 2009

  • 1 Answer

SOURCE: bose acoustimass 25 subwoofer has no power

Honestly speaking you should probably not work on this unit yourself: "There are no user serviceable parts inside"

Even if you are an accomplished Electrical Engineer Bose will not provide the required schematics to troubleshoot and repair this unit.

Are you still undaunted . . . then if the case is the original LS-25 series, there is a hidden catch at the end of the cover furthest from the input connectors that needs to be rotated (until a plastic tab is sticking out), which you can do with a flat bladed screw driver, and you also need to remove a few screws from the bay where all of the connectors reside. Remove the two knobs from the side of the cover. Then hit the case with your fist at the far end (plastic tab) and the cover should then pop off. You may have to hit it hard, with an upward motion.

Note there is not going to be much you can do to fix this beyond replacing the fuse. (Note that the fuse may be soldered in.) The bass amplifier is op-amp based with discrete class G output stage and the twiddler amps are monolithics with discrete class G circuitry shared between several channels.

The power transformer has a thermal fuse in it as well which is not replaceable. If you play the unit loudly for long periods of time and it is not adequately ventilated it is possible for the thermal fuse to open - if this is the case you will definitely need to send it in for service.

When plugged in there are hazardous voltages present on the top PC board where the power connector is located, whether or not the unit is turned on.

Power switching is via a triac controlled by whichever front end you have CD-5? 12V should be present on the mini plug (tip I think, but might be ring) when the music center is on.

There is also offset detection circuitry that will latch the unit off should any output have more than a volt or so of offset.


For more information see following web site:

http://www.diyaudio.com/forums/showthread/t-106135.html

Posted on Mar 01, 2009

  • 1 Answer

SOURCE: bose companion 3

This is a common problem it seems with the electronics within the speaker set. (Companion 3 with sub and remote pod, aka, 'puck' = help desk support term)
I bought the multimedia speaker set in 2004 and had it replaced in 2005 because the 'puck' would not turn on (no orange light nor green light.) So I called help desk and they accepted the warranty exchange and I mailed the entire system (speakers and all) back to Bose in Markham, Ontario, Canada and they sent it back several weeks later. It worked 5-6 years after that as it is 2009 now, and it has the same problem again (no light on the puck). So I called help desk again and was ran through the same tests again (on/off, power plug off, various audio inputs, etc.) and the guy said to mail it in and they'd fix it as a non-warranty item. Cost: $85(Cdn) for repair + taxes, and $39 for remote pod.
So the sound that I got to enjoy from the Companion 3 system was amazing but electronic quality is very poor. For a set that cost above most other home user sets at FS and BB, it is substandard longevity.
I like Bose and have no complaints about the sound, but I will not buy another Bose multimedia package because at $350 (in 2004), I would expect it to outlast other sets. My friend bought a Logitech speaker set from another company in 2003 and is laughing at me as he realizes this is my second set and it hasn't even lasted as long as his own set.

Posted on Mar 14, 2009

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2 Answers

Where can i find a replacement audio input cable for acoustimass powered speaker system model 2683 5 pin din


See on ebay.com for used or new one of it as other trading sites sell quantities. Such as alibaba or aliexpress for chinese or amazon for better qualities

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Pin out diagram on bose lifestyle 20


The lifestyle system needs a power signal together with the audio signals, otherwise the unit/subwoofer will not come out of standby.
That system was build to run with the lifestyle player...not 100%sure you really want to go try and hack it.

Feb 08, 2014 | Bose Acoustimass 10 III System

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I have a Bose lifestyle 38 and whenever I watch a show with a lot of background sound - ie music in a movie or crowds cheering for sports, it overwhelms the voices of the actors or the sports casters. How...


What makes background sound comes out from Bose lifestyle 38 system is because there is jack cable or a cable that has a jack mouth that brings out a mono sound is being inserted..

Mono cables, when inserted inside a wrong input,it's makes the sound comes out with a background noise just like the one you can hear from it now..it seems as if you are not using the right cable for connection..

To resolve these issue, you will need to use the right cable for connection, by doing these,you will get a clearer sound from you Bose lifestyle 38..

Also it can be from the settings inside the Bose lifestyle 38...So you will need to check both sides to resolve this issue..

You will need to use the manual to know the right cable and the right setting for clear volume..

You can download the user's guide from the below link..



http://www.retrevo.com/support/Bose-Lifestyle-38-Series-III-Home-Theater-Systems-manual/id/524dj979/t/2/


Hope it helped.

Thanks for using fixya..

Aug 15, 2011 | Bose Audio Players & Recorders

1 Answer

My base module doesn't work anymore , can i replace it with another brand or amplifier


There's a base unit on eBay for bid, currently around $90, expiring tonight at 15:45 PST

http://cgi.ebay.com/Bose-Lifestyle-12-control-system-new-box-w-o-cord-/170595656943?pt=LH_DefaultDomain_0&hash=item27b84b24ef

another $210 Buy-It-Now
http://cgi.ebay.com/BOSE-LIFESTYLE-5-8-12-EXCELLENT-EXTRAS-AND-REMOTE-/260731188231?pt=LH_DefaultDomain_0&hash=item3cb4ca3407

$204 BIN...
http://cgi.ebay.com/Bose-Lifestyle-5-8-12-Music-Center-Near-Mint-/180620466103?pt=Receivers_Tuners&hash=item2a0dd197b7


Bose products are highly proprietary. If they have non-standard connectors from the amp or in the speakers I'd take that as a clue they're NOT compatible with other manufacturers' products.

Feb 02, 2011 | Bose Lifestyle 12 System

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Not good surround sound Is the bose lifestyle 5 support 5.1 surround sound?


The Bose Lifestyle 5 is not a 5.1 surround sound system. It is a 2.1 sound system, meaning it is stereo with a subwoofer/bass unit. Having two speakers that can be angled in different directions, the Bose Lifestyle 5 employs Bose direct/reflecting technology,providing greater audio presence. Still, it is definitely not a surround sound system.

Jan 24, 2010 | Bose LifeStyle 5 Series-III CD Shelf...

2 Answers

Problem with Airport express to BOSE Lifestyle


When i play the radio on my bose lifestyle , my radio sounds good. but when i send music with from my apple computer to . airport, and then to my bose lifestyle, the sound just come out from on 1 speaker. not the toher ones, but when i play radio all 5 works....

anybody got a solution??

Alex, Sthlm

Jan 20, 2010 | Apple AirPort Express with Air Tunes

1 Answer

No sound coming from speakers , I have a bose LS-12, i could hear the cd spinning but no sound even in FM Mode. HELP! !


To troubleshoot:
- check connection of player to speakers
- check if the volume is at minimum level or mute
- check if player is in CD player mode

Jan 03, 2010 | Bose Lifestyle 12 System

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We want to hook up an HDMI dvd player to the tv and have the sound come thru the Bose Lifestyle 38 (older model, did not come w/the HDMI converter that the 48 has or newer systems come with). We are not...


The best way to do this is to take your OPTICAL AUDIO OUT from your TV - (if it's a newer TV) - plug it in to the OPTICAL AUDIO IN on your BOSE system, then use the 'TV' source on your Lifestyle 38 to get the sound from. I have sound for X-Box, DVD player, Blue-Ray Player and Wii being pushed through the TV back to the BOSE and it sounds great. I don't have to change the source on the BOSE very much either - except when I listen to stored music!

Sep 27, 2009 | Bose Lifestyle 38 System

1 Answer

No Sound


I cleaned the main speaker lead contacts, and IT WORKS.

Aug 28, 2008 | Bose Lifestyle 30 System

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No output from Bose Lifestyle 12 system


Sounds like you have a problem in the circuits, which of course would take an experience technician to find and repair. But a 1994 electronic item has pretty much reached the end of its expected life cycle (sadly, compared to older equipment which is still working great). Basically, it sounds like the power amp circuit is shutting down a few seconds after startup. Might check to make sure no speakers or cables have shorts, which could activate a protection shutdown circuit. If any of the cubes don't hiss when you turn it on, that would be the first place to look for a problem.

Jul 01, 2008 | Bose Acoustimass 15 System

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