Hi, new to the forum. I did search so don't taze me if this has been discussed.
Switched to DirecTV last March and got the Genie 34/31. Love the products, but it hasn't been without its glitches. One of the C31's is in my bedroom where I also have a Boston Acoustic Soundbar TVee30 which only has optical as its digital input. I got a coax to optical converter, plugged it up, and it worked fine...until I changed channels. I got a high pitch screech ever time. Thought my converter was a piece of junk, so for 15 bucks, I bought another brand. Same thing. So my thinking is that this is just a problem I'll have to live with (or get a soundbar with coax digital).
Fast forward to yesterday (for the superbowl). I have a dedicated HT in the basement, but didn't get a third C31 for it because I only watch TV there for big occasions. I have a "smart room" in the basement, so all it's a 10 minute job to switch the RG6s. Plugged the C31 into my Onkyo receiver via HDMI. Video and sound were great until........I changed channels and got the same screech when I changed channels!!! So all of this time, I'm thinking it's all a conflict between the C31 coax/optical/soundbar, and it turns out I get the same issue over HDMI. My other C31 is in the kitchen, but it is just an HDMI to TV connection.
So, any experiment or fix to try? I have the protection plan, so should I try to procure a 41? Don't know the firmware versions yet, but can report back later on those if needed.