TVs & Home Theaters forum


No audio Bose Solo & Sharp LCD TV optical output connection

by max43well / September 21, 2012 5:52 AM PDT

Hello. I am trying to get the new Bose Solo soundbar to work on the Sharp Aquos LCD TV model LC40D78UN.

The Sharp LCD TV has an optical audio output that is supposed to work with audio devices like amplifiers or similar.

The audio signal is provided to the Sharp TV via HDMI input from either a Blu-Ray player or a satellite receiver.

I have reviewed all the settings on the Sharp TV. The digital signal is somehow not being processed through the tv from the HDMI input to the optical output.

The Bose Solo will work when connected to analog RCA output jacks on the Sharp TV.

Need help understanding why the soundbar will not work when connected directly to the optical output on the TV.

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All Answers

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It's a type of restriction
by Pepe7 / September 21, 2012 5:59 AM PDT

You can blame it on the quest to enforce copyright law, etc. It's a known limitation where the HDTV is unable to pass along DD5.1 (etc.) via the digital optical output. Analog connctions, if available (infrequent on newer HDTVs), usually still work- they just can't pass along anything except mono or stereo audio signals.

This is why it is imperative if your goal is to pass along surround sound/digital sound from various components such as blu ray, etc. that you utilize a real AV receiver. The price now is so low for an entry level system that's it's hard to pass up IMO.

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Does the tv have a coax audio connection?
by ahtoi / September 21, 2012 2:51 PM PDT

If it does, then give that a try. Maybe the Bose have a audio selection switch (just thinking out loud)?

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No Audio-Bose Solo optical connection to Sharp Aquos HDTV
by max43well / September 21, 2012 9:29 PM PDT

Thanks for the reply Pepe7, I was wondering about that. Also, on the same theme, apparently if I had a digital antennae on the roof for over the air digital broadcasts, I would be able to get a digital audio signal out of the optical output on the rear of the Sharp TV. I will heed your advice about a real AV receiver.

I saw the Bose Solo demonstated on a Sharp Aquos HDTV so I thought it would work on mine.

Thank you ahtoi for your reply also. Currently I have the Bose Solo connected directly to two devices, the optical connection (I think it is called Toslink cable) on the rear of the Solo is connected to a blu-ray player, and the coax audio on the rear of the Solo is connected to a DTV receiver. This is the only way I can think of to get digital audio to the Bose Solo. Both the blu-ray and Dtv are connected to the hdtv via HDMI. By the way, Bose tech's told me that they did not think I could connect two devices to the Solo but to go ahead and try. It works, but, the bose solo must be turned off, then the device that was inputing signal turned off; then to get audio from the other device that can then be turned on, then after powering up, the bose solo can be turned on. Following this process the Solo will handle two devices connected to it. If both devices are on at the same time, it will not output any audio. The electronic handshake thing must take place. (It won't shake two hands at the same time. Happy

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Let me be blunt about this Bose Solo & soundbars in general
by Pepe7 / September 22, 2012 12:14 AM PDT

The main issue is lack of physical separation of the individual speakers. Without such speaker placement capability, you still wont' be getting anywhere close to surround sound or much of a wider sound field. For a tiny room (small Den or TV room) it might be somewhat better since you will be seated much closer to the sound source. Otherwise, buying an AV receiver is still really only a starting point. Ideally you would obtain an entry level 5.1 system that, IMO and E, will generally blow the pants off the Bose, or any soundbar for that matter.

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I maybe wrong here but...
by ahtoi / September 22, 2012 12:20 PM PDT

from what I see in the spec. it's nothing more than a very good sounding stereo. It's not even a virtual 5.1

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(NT) Nodding!
by R. Proffitt Forum moderator / September 22, 2012 2:17 PM PDT
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I am not too clear on this...
by ahtoi / September 22, 2012 12:31 PM PDT

why would you have more than one device connected to the Bose. I thought tv is the only device and only the toshlink is all is needed. Where am I wrong here?

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by Pepe7 / September 22, 2012 3:31 PM PDT

The OP is connecting multiple inputs to an HDTV, without any AV receiver involved. Audio outputs from the HDTV to the Bose is the issue. Not recommended.

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Select the audio source
by mjd420nova / September 22, 2012 2:37 AM PDT

The optical output is the prefered source for the newer AV units. The Bose input from the TV is preferable, that way you have audio for whatever you watch from whatever source. I think the set up of the TV would have an audio option to FORCE PCM OUTPUT. That source may or may not have the surround element due to those same copyright restrictions. Composite or analog outputs are seldom an option on the HDTV units so they may have to be selected from the source instead of the TV. This would return the Dolby media back to the amplifier for surround processing. Sometimes there may be an inherent problem with the lipsync of video to audio and different sources may represent a different delay for each. Not all TVs exhibit this but is due to the lag of processing the picture in its digital form before actually sending it to the screen.

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Give it a try
by Pepe7 / September 22, 2012 11:45 AM PDT

This Sharp may actually do it though. Some of the recent Panasonic HDTVs I've worked with though don't give you this option to force PDM, nor do they even include the analog outputs.

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