True burn-in ( operation at elevated temperatures ) is not common in consumer grade electronics, but is common in industrial grade IC’s and some industrial electronics. I doubt if there are many ( or perhaps even any ) consumer audio manufactures who have burn-in chambers.
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Does this problem persists in case the 2nd SACD is the same one? Meaning: you open the drawer and close it again.
More in the category of, “This may help” rather than anything I can confidently say was caused by doing X or Y: The other day I had both streaming via i2s and laptop playing files off HD in through USB. Switching sources, (manually on the unit) it muted. All of that though, is by the by.
Point is, here’s what to try - I switched back to USB, and it was muted as well, confirming the OP was muted. Switched back to i2s, pressed “pause” and “play” on the streamer, and it unmuted.
This is likely closer to how it is supposed to behave - if it sees some potentially loud thing happening, you don’t want it going through your speakers, so it mutes. But it did get “stuck” until I switched back, stopped and restarted the stream.
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J_J, Have not tried that,but if I get the chance to do so today I will ( today is already getting really crazy ).
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bb, I will see if some combination of “pause” and "play’ gets the SACD going again.
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I am pretty dang pleased thus far with the sound quality… The overall aesthetics of the unit arent there but I am used to looking at McIntosh devices and this is my 1st PS Audio… Really its just the small screen… Day 4 maybe 5 listening and it is a real improvement of the DA2 module in the C53 out of the gate… Been letting the MK2 run and run too… Came into one quick issues where I couldnt get sound… Rebooted it and got it going again… When will we see the 1st update ? When I am using USB I am not seeing any DSD… Other than that I am glad to be a part of the Beta’s Thanks for having me! Cheers Brad D
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I was an electronic tech in the industrial world for the first 25 years , then a SW engineer for the remaining 20 of my career. I learned something new today! Thanks kindly
Hey all!
We wanted to give you an update on the DSD MK2 beta. We are scheduled to ship the final units by the end of the month! Thank you to all of you for your patience.
For users that already have your units, there is a possible issue that would require your unit to come back to the factory for a hardware adjustment.
Please email service@psaudio.com if your DSD MK2 unit is experiencing these issues:
- Your unit plays back audio for a certain amount of time and then the audio completely cuts out
- If your audio goes out while changing inputs
- If you do not get any audio through your unit
We should have a fix in place for all of these scenarios!
Again, thank you for being a part of the DSD MK2 beta.
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I love the automated response when sending the email to service@psaudio.com. TJ’s response is he’s out until Monday, but if you need help to contact sales@psaudio.com or service@psaudio.com.
That cracked me up. I have been guilty of doing that very thing 
. Circular emails!
It’s Thanksgiving weekend, I assume we’ll be busy with returns on Monday.
Thanks for the update @aaronm. It’s great to know you have found the issue.
Will we be getting back the same MKII or are you pre-staging units to send out to those of us returning units?
Happy Thanksgiving to you and Team PSA.
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Does this mean you have already dropped your MKII off?
No - I took it a while back and have been going through photos and mulling a new printer.
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Nice.
Printers are still such a necessary evil. I am sure we have paid 20x in ink costs over the price of the printer itself.
Vincent are you having issues where you will need to send back?
I’ve had 1 incident in 2 weeks where I had no music.
Things fine when I switch from I2S to optical.
Not sure I should send back for a single occurrence issue
Thanks
If I switch between I²S, USB, or recently when I finally tested SPDIF I have problems. I have been sticking with I²S waiting for a fix.
TJ!!! I’ll have to talk to him once he gets back… Service goes to all of us.
Yup! It should be the same unit that you sent to us. It makes sense logistically to keep the units the same. I highly doubt we would need to replace the whole unit.
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@aaronm, it sounds like a fix has potentially been identified, or has a fix been proven out?
Proving out as we speak. We have a unit that had the issue and the engineering team is working on it right now. It’s one of those…It’s not every unit and it’s not happening all the time. The engineers have a fix that is working, we are just making sure it’s 100% fixed.
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That is the model for the printer industry over these last years for sure. Stunning tech on the printer end for shockingly cheap. And arguably usurious and ecologically unsound bits of plastic with a shotglassfull of pigment for stupid money.
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I knew I should have pushed James harder to take my unit back earlier. Then I would be in line ahead of all you guys. 
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