Is there a chance that it was the 561 causing issue?

Maybe the wrong output coax on the 561? 🤣 I’ve done that when working over a unit previously 🤦🏻‍♂️

Glad to hear all is working again!

Regards
David

G65, 210, HD621, DSP5200.2, DSP3300C, DSP3200,

NUC 7i5 Roon Core, Apple TV 4K, Blustream SW41AB-V2, Panasonic TX55fx802, EE8 switch

Multiroom - Ms200, Nile’s ZR4
Bedroom - 251