Question about RCA Audio Players & Recorders
Can't find post reading powering bose lifestyle 50 (no remote)via RCA 3 wire cable / subwoofer Sound via subwfr
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Posted on Jan 02, 2017
The 2 system are completely different your is low level input and its is having only 2 input L and R when those signal they get inside your sub it process through an DSP ( Digital Signal Processor ) and become 5 output to yours satellite cube speakers
The AM6 or 10 are high level input connected direct to any output of any AMP from those signal they convert down to low frequency for sub woofer
Posted on Dec 16, 2008
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:
Posted on Mar 01, 2009
Press the system button on the Lifestyle remote control. Move right to see a preview of the remote control. Press the down button to move into the submenus. Go down to IR Control. Select "on" System receives IR commands from another remote that has been taught to operate this system. Press exit and take a breath and try your Harmony remote. It should work. I had the same problem and this fixed it after hours of screwing around. Good Luck
Posted on Dec 23, 2009
SOURCE: Bose Lifestyle 28 Sound Problem
I also get this problem sometimes with mine. Usually when you call Bose they suggest that you do a "hard" reset meaning you unplug the power cord from the wall and wait about one min. Then plug the unit back in and it should work.
The other thing that you can try if the system still isn't working is to check that all the wires running into and out of the sub-woofer are all plugged in and aren't loose.
If either of these two solutions don't work you can alway call Bose tech support @ 1-877-210-3782 (they are open Monday – Friday: 8:30 AM – 8:00 PM ET)
Posted on Apr 08, 2010
Testimonial: "Thanks for your support. Unfortunately i had to send the system to Bose for repairs. Thanks anyways. "
Tips for a great answer:
Use only a BOSE cable. I used to have one and it was a pain when it came to the cables. Only worked with original equipment replacements. You can get your users manual from Bose in Adobe PDF format for free.
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