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Re: Bose 321 lost sound
Check wiring from DVR to TV and surround system...TV may now be getting audio signal from DVR via HDMI/DVI cable. If so, the Bose needs to be connected to either optical/audio out on DVR, or on the TV's audio out jacks. If there is only one cable from DVR to TV, that is probably the case. This is just a general solution, if it doesn't help, reply with make & model #'s of all devices involved, I might be able to help more.
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If you still have the receipt in the box that it came with I recommend you take it back to the store since like there's too many dust in it and it wasn't properly taken care of during shipping I would suggest you return it if you got it from the store or ship it back that you got it online and complain
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I am about to go through the same process. I have a Bose 321, and am on the verge of getting a HDTV. From what I can figure, the Bose can play a dvd and input it to the HDTV via video and audio output plugs off the back of the Bose to the audio/video input jacks on the back of the new HDTV. I think individual cables will have to be run for each. They usually are red or white, sometimes green or blue. I am sure everyone has seen these in their life. The Bose 321 technology only had what was called an S-Video cable output for the best picture, which is how my current tv gets it's Bose signal, but now HDMI seems to have superceded S-Video. Therein lies an obstacle to be overcome.
I had the same problem listed; send an email to BOSE tech support - they sent me a DVD with a bios upgrade and it fixed the problem. They should put the BIOS upgrade on their website so you could burn your own DVD rather than waiting for the mail. But it did fix the problem. Netflix disks were the worst; they must do something when they burn them to get that forced Ad to play that Bose doesn't like.
I had the same problem with my 321 system. The fix is in the cable box settings. You want to change the Digital Out on the cable box..my choices were HDMI....Dolby Digital..and None. Choose Dolby Digital and it will show up on your Bose 321 display. I also have my cable box connected to my bose system via optical digital cable...and a digital coaxel cable from my dvr to my bose. Change that output setting on my cable box took care of the PCM 2.0 problem for me.