I have an OLD bose lifestyle 25 (bought in 1999) which is still in excellent condition. I just bought a panasonic 58" and was advised that because my bose doesnt have an hdmi hookup i would not be able to use it in conjunction. I also bought a blue ray player and will be hooking hdtv (cable) to it and might want to hook up my sons wii to it as well. I am getting the tv delivered on the 17th so cant really try different options at this time. i was hoping someone could tell me if there is some kind of converter, or if I can get the sound to work another way? btw, the amplifier has 2-video inputs, 1-aux input, serial data, and an input that looks like the one that connects it to the sub.

PDF]TV SOUND SYSTEM - Bose

worldwide.bose.com/axa/assets/.../owg_en_solo.pdf
Bose CorporationTo reduce the risk of fire or electrical shock, do not expose the product to rain or ... be determined by turning the equipment off and on, you are encouraged to try.

Bose Lifestyle Problem - ecoustics.com

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May 27, 2006 - My Bose lifestyle 38 will not switch-off completely and the "Saving your music ... On the phone they said power down and check cables and ... Here we goagain with more Lifestyle 38 problems . We are now unable to watch DVDs or listen to CDs without ... Recently bought a TV and Lifestyle 48 system. Archive through April 10, 2009 - How to DIY Repair a Bose ...
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Bose has excellent support.
Talk to them about Lifestyle 25 on
http://worldwide.bose.com/productsupport/en_us/web/ls25_series1/page.html#tab=manuals_tab

Do the easy troubleshooting first! Get a source of clean, dry compressed air and blow out the inside works. Next, get some contact spray and spray into the volume control potentiometer and work it down and up.

... According to their manuals. The TV is new so it should cover that end. Bose.com covers the other.

There's nothing special about the original power cord, so I'd go to Radio Shack or any electrical supply store and get it for $8.

http://www.radioshack.com/product/index.jsp?productId=3875429

Or you may have an unused one from other device lying around the house.

eBay has several of the unique connections you want.

Search "Bose lifestyle 25 cable".

Check on e-bay to see if you can score you one for cheap.  See if Bose factory will fix this thing for you.

This can be repaired of it's later than a series 1. (not sure if the 1997 model was a series 1) Repair cost will be $225 plus tax (flat rate). Shipping is split between you and Bose. They give you a new 1 year warranty.
Otherwise, Bose can have you trade this in for about 25% off a new, current system.
-If this still powers up, make sure the small 1/8" portion of the input cable (plugged into "system control 1") is in good condition, because you may just need to replace that input cable for a no audio situation. If it's a different series, it will say "zone 1" I think.
In either case, you should call Bose tech support about this. (800-367-4008) Make sure you're with your system so they know what series of LS5 this is.

It is a very strange case that you have.
I think that bose is correct, there is definetly an electromagnetic interference with the system, but the strabge part is that panasonic plasma tvs are not supposed to emit such EMI and they should be shielded.
one advice is that to verify this try putting on the tv, and bring a portable radio close to it and see is there is a change in the sound, if there is one, then definetly your tv is emitting EM fields. this could be due to a factory defect in the tv, have it checked by the retailer where you got your tv.
a second solution is to place the receiver of the bose system further away from the tv and try using both of them.

I posted the message as Tet Tet before. I can now tell you that I have resolved the problem. The issue is with the Panasonic 50Inch TV. Some people reported the same problem but only when the TV was up on the wall. It turns out that the problem lies with the metal discs which screw on at the back of the TV to enable you to hand the TV on the wall bracket. In my case I had excessive interference caused at the back of the TV (could be the fan). When I put the TV on the wall bracket the metal discs would be in contact with the wall bracket which in turn was acting as an antenna causing the iterference to the bose remote which operates at a frequency of 27.45MHz. You can solve the issue by adding some insulating tape around all the metal discs avoiding them to make contact with the wall bracket. If that fails Panasonic will swap your TV for another one like they did with me. I can now enjoy my Bose System with the 50 inch Panasonic TV. It took me three months but managed to get a solution. I hope this helps. For further info you can mail me at [email protected]. These discs should be made of metal because they are perforating the metal screen at the back of the TV. Panasonic please change this design.