On the facia, mine reads PefectWave DirectStream DAC (shipped with Windom) so which one is it?
You have a DirectStream or DSD not a PerfectWave or PWD.
So, the analogue fuse is not connected to anything, just a spare 
Correct. Did you change it and hear a change?!
Exactly. It’s come in handy a number of times for folks.
left the analogue fuse untouched I suggested above 
Thanks again PS Audio for the excellent service and for sending a new board to me.
Slick! Glad you’re up and running with it now. Hope the install went smoothly!
Yes it went very smoothly. If anything, maybe the bottom screw (below the connector) on the display board was a little bit hard to get to 
Yay, congratulations!