552 Locked

Tried powering the whole system down for 90 min.  On reboot, the 552 is muted and set to Aux1.  Mute is supposed to clear after 30 seconds, but does not .   Button pannel does not respond.  Anything I should try before shipping it for repairs?

Thank you.

Nick

Original Post

Still experiencing NAC source lock-ups occasionally, along with irritation that System Automation has stopped working with the NAC, but continues to work perfectly with Naim DAC and CD555.  Finally got around to easy test, swapping the RC cable between the NAC and CD -- now the NAC can be controlled, but not the CD.  Tested the suspect Y-cable with headphones and confirmed one leg has become intermittent.  $5 replacement is on its way from Amazon.  

Nick

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lowdean
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