Line Out Problem with Pro-Ject T1 SB

The Sonos Support Staff most probably asked you to submit a system diagnostic report and presumably that report showed a fault with your Sonos device. So that device needs replacement.

It could well be the case that the turntable ‘may’ have a fault too (such coincidences can happen, I guess) but you will need to ensure that the receiver device that the TT is connecting to is working perfectly first of all. Then move forward from there.

Was the turntable supplied directly by Sonos too? - Also what were the other speakers/receiver that you tried with your Turntable and was this during your call to support?

Thanks for the reply,

I tried my Bose revolve… plugged the 3.5 into it to see if it would transmit and music from the turntable.  It worked when I first got the turntable, but didn’t work this time. 
I guess I understand the diagnostic theory, but if the turntable isn’t working in other speakers, it’s hard to blame the five. Obviously the line out is the problem and not the speaker. Just frustrated as I bought this turntable 2 weeks ago. 

Also, yea. The turntable was bought through sonos with the Five. (Pro-Ject T1 Phono SB)

Where did you purchase the TT from?
Have you tried any other audio line-in source, like an MP3 player (just as an example) on either the Sonos, or Bose, device etc?

It’s not really clear from your posts here so far, what was tested, or mentioned, during the hour+ chat you had with Sonos Support.

Ah our posts crossed, I now see you purchased the TT from Sonos too… but it’s still not clear what occurred during your support call.

We went through the list of everything to try and resolve the issue. Swapped out RCA cables, adjusted the audio delay, compression form app, tried switching from phono out to online out, everything. One weird thing thr rep did mention is that he has me plug my headphones into thr back of the five. He said thr music shouud play from the headphones and not the speaker—that it would automatically detect the headphones… which I’m not really sure about. 
I didn’t test any other source because I really don’t have any other source to play through my five. 
They did say on their end it looked like the line in was working… but no music was coming through. 
Again, being that the turntable didn’t play through another device, I just don’t understand why they would conclude it was my speaker? Lol. 

I would keep the matter simple and just test with a different audio line-in source and then take things from there. If you do get it working then give them a call back to save everyone’s time/trouble.

There you go then, I was going to suggest using a line-out from your mobile or tablet or borrow a device from a friend, but now you have it working with a CD player, you can perhaps give Support a call and give them your update and let them take it from there.

With your turntable, I assume there is a switch to change between phono/line audio out - have you checked that it is set to ‘line’ to enable the pre-amp. Perhaps just try toggling that switch too.