Hi,
we have a 2021 330rsts with an insignia tv and jbl speakers. i have been trying to figure out the sound configuration for the last year. every time i think i have it right, we pack up and it doesn't work on the following trip. i had the dealer rip it apart last year when it was in for warranty repair. when we got it back it would not play through the tv at all. i wanted that option.
i just replaced the hdmi cable today because the fitting was loose and i thought that could be contributing to the problems, but i was still experiencing the same issues.
however, while troubleshooting it this summer, what i found for my system was that if i watch tv using the antenna, not cable or streaming, the sound only come through the tv speakers. if i use cable or setup the network to stream, i have to have the sound system set to ARC for the tv to play through the speakers. unfortunately, I have had a lot of quirky things happen, and this doesn't always work. you probably have to dig into your tv's settings for the sound settings to activate ARC.
if you haven't already tried the ARC setting, give it a shot.
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2021 Jayco Eagle 330rsts (late season model w/2022 upgrades)
2022 Ram 3500 Laramie HO / 4x4 / srw / 8'
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