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:
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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The entire 5.1 amplification system, in the Bose Lifestyle 35, is actually part of the Bose Acoustimass (subwoofer) module. The RJ-45 (network type) connector passes a low-voltage signal from the console to the Acoustimass module. If you were to hack the connection, and plug the speaker outputs of a 5.1 receiver to the RJ-45 socket on the Acoustimass module, you would blow the amplifier.
If you are really itching to replace the Bose Lifestyle 35 console with a regular 5.1 receiver, I strongly suggest you sell your Bose system, and purchase a Bose speaker system, such as the Acoustimass 10 Home Theater Speaker System, which is made for use with a standard 5.1 surround sound receiver.
Bose Lifestyle (and all Bose-amplified speaker) products and their speakers are SYSTEMS and should not be split up or intermixed with other brands or models. Damage will probably result. Proprietary connectors provides a clue.
The digital audio out should work with the Bose. You could still use your Denon to drive a conventional sub in your scheme, but you would have to manually match volume with the Bose. Or go Full Monty and buy a full complement of speakers for the Denon, retask the Bose and slave its sources to the Denon.
this is possible, however not a very good idea. Bose speakers are designed a little different than other brand speakers, the Equalizer built into the bose system will probably not sound amazing when you hook up your other speakers. Are you looking for more bass? cleaner highs?
if you want more bass, you could try doubling up your subs, if you want cleaner highs you could buy Bose Jewel Cube Speakers (purchased from a Bose Built-Invisible Dealer
What you describe, sounds like a speaker short. Are you using the Bose wiring with their ends and no cuts in the wire? (splices) It's not too uncommon to extend or shorten a wire. The fastest way to find a short is to disconnect your speakers at the speaker. Be careful to keep the wires separate if they are not on plugs and turn on. If it cuts off (power) or says (protection) on the display that lets you know your speakers are ok and you have a short in the system or a wire. Next, disconnect wires at the sub one by one and test until it causes the system to cut off or short. Leave that speaker disconnected from the sub and test with all others connected. Now you've located the channel that has the problem. First just connect the wire again to the sub. if it cuts out, run a new wire from the sub to the spkr, for testing purposes make it a short wire if possible and test. If you need to use a Bose plug at the sub to test spkrs go buy one at Bose, don't cut your factory wire just yet. If a new plug works then cut and replace. Make sure you use electrical tape not scotch tape or duct tape. If it works fine, test the new plug on the old wire and see if it works. If it does your done, if it doesn't, run a new wire to the speaker with the new plug on it. If after all this and it still doesn't work. Sounds confusing I know, It's just process of elimination, that's how we do it in the field. If all your speakers are disconnected and it still cuts out, it could be the sub or the receiver. Take it to a Bose store and they can check each piece for functionality. If it needs repaired let Bose do it. Hope this helps.
Better is a subjective term. Simpler vs complex is more accurate. I'd go for the separate components if conspicuity is NOT required and to allow unlimited future growth. Sub/sats have their place but nothing beats having full-range speakers alll around the room with some real horsepower to push them.
Hi, I have just had the same problem and the advice from BOSE was to turn everything off and disconnect the sub from the main unit, wait 10 mins and turn everything back on, making sure to turn the sub on first.
As it happens i then noticed I had connected the sub via the BOSE link speakers plug to the main unit rather than the correct "MAIN" socket. - so if you are reading this you know I am a fool! But the sound now works.
Basically BOSE confirmed the reason for error 10 is that the main unit is not detecting the sub and speakers.
Anyway, I hope my foolish mistake, helps save time and blushes for anyone reading this link.