05-09-2020, 12:46 PM
(This post was last modified: 05-09-2020, 12:47 PM by shadowlord.)
small update to my problem:
since i wanted to be able to make use of the automatic shutdown at specific times, i unsoldered the xd218 dac and used a hifime one instead.
as i wrote earlier this dac does not output any noise when the pi is powered down.
but i found another strange behaviour with this other dac during shutdown state of the pi.
this dac does have an optical digital out in addition to its analogue output.
now when the pi powers down, this optical output often stays active (which is clearly visibly by it'S red light)
the funny thing is that this does not occur every shutdown. ( id say at 6 of 10 shutdowns the digital out remains active)
to me it seems it has something to do at how the pi shuts down, that sometimes part of the usb dacs remain active.
anyone has any idea what might be wrong here.
(i'm not worried by the active digital out, but clearly something is not right with the shutdown process )
since i wanted to be able to make use of the automatic shutdown at specific times, i unsoldered the xd218 dac and used a hifime one instead.
as i wrote earlier this dac does not output any noise when the pi is powered down.
but i found another strange behaviour with this other dac during shutdown state of the pi.
this dac does have an optical digital out in addition to its analogue output.
now when the pi powers down, this optical output often stays active (which is clearly visibly by it'S red light)
the funny thing is that this does not occur every shutdown. ( id say at 6 of 10 shutdowns the digital out remains active)
to me it seems it has something to do at how the pi shuts down, that sometimes part of the usb dacs remain active.
anyone has any idea what might be wrong here.
(i'm not worried by the active digital out, but clearly something is not right with the shutdown process )
