No sound on TV from Roku when Tablo & Roku set to surround sound

#1

I have 3 TVs and a PC in the house that I use to view programs recorded on my Tablo. When I enable surround sound on the Tablo it works with my LG OLED TV Webos app, a Roku stick on an older Samsung LCD TV and on the PC using the Win10 app. I cannot get it to work on a 2009 Toshiba LCD TV using either a Roku 2 or the same Roku stick I use on the other TV. The Roku are set to output Dolby Digital and the TV does have a setting to enable Digital audio but I cannot get any sound when it is set to Digital.

Any advice or do I need a new TV? Sucks that this one TV is holding up enjoying surround on my LG big screen setup.

Thanks!

#2

What is the exact make and model of your Toshiba HDTV? Older HDTVs do not support Dolby audio (5.1 AC3) audio over the HDMI input.

Yes, I know all these HDTVs can decode 5.1 AC3 audio from the ATSC OTA tuner, but that is different than decoding it over an HDMI.

#3

It’s a 37RV525RZ. I think I’m out of luck, found in the specs that the HDMI input supports “2-channel Linear-PCM”. Doesn’t mention 5.1 AC3 at all.

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#4

I’m thinking of picking up a used TV to replace my Toshiba. Any idea if an Insignia NS-39L240A13 circa 2012 would work with the Tablo/Roku surround sound?