sync problem using port (or connect)

Just to be very clear, you’re starting Pandora in the Sonos controller, and not on the Yamaha?

The reason I ask is that there would be a delay on anything played on the Yamaha, and sent to the Sonos via the CONNECT or Port. There’s a small delay to process the incoming signal so it can be played across all the Sonos ‘rooms’ at the same time. But since that delay has been already ‘paid’ when streaming from the a Sonos system to the Yamaha and its connected speakers, all of them would be in sync. 

Yes . Starting pandora in the Sonos app , streaming to the port (connected to the Yamaha ) and the play 3 . Not in sync .

Huh. Doesn’t make sense, but I guess if it did, you wouldn’t be posting here. So, I’d suggest a couple of things. First, I’d recommend that you reboot all of your Sonos devices, by powering them down and waiting a minute before plugging them back in. As a guess, there’s some sort of failure in the process Sonos is using to sync the ‘rooms’, and a reboot/reload of the software might fix that. 

However, if that doesn’t work, I would recommend that you submit a system diagnostic within 10 minutes of experiencing this issue, and contact Sonos Support to discuss it.

I usually suggest the phone folks, they have more tools available, but are available Monday through Friday during business hours. Twitter support folks are available 24/7.

There may be information included in the diagnostic that will help Sonos pinpoint the issue and help you find a solution   

Is this an AV receiver?  If so, then the cause might be sound processing in the receiver.  Does the receiver have something like a ‘direct’ mode to cut out any such processing?

Sending sound to an AV receiver and a sonos speaker from the port - the AV receiver can add processing delay

You want to put the dSP mode of the AV receiver in direct mode - I think Yamaha calls it straight mode.

It will then add as little delay as possible and therefore be more in sync with the Sonos speaker which is not delayed.

Tied that . It’s a little better , but not really useable . 

The delay is being introduced by the receiver - the sonos Port and sonos speakers are playing in sync.

Are you sure you got the straight mode on and all other processing turned off.

what is your model #

Receiver is Yamaha Rx-a3030

So you have a pure direct button right on the front of the receiver….. pressing that should alleviate the issue.