In my car I have ditched my ICE double din thingy and installed an ifi zen sig dac which I feed via usb from iPhone- this to a power amp etc.
Always wondered about a Hi-Res player instead
Ill watch with interest

Yep that’s bad luck
Best get it back to Nva for assessment if u are in the uk

If not diy is possible- TIP147/142, thermal paste, selection of resistors a multi meter and soldering iron-

Hmmm
Never seen a board with damage that ‘far up’ - what did u do- be honest you are among friends

Pics

In the good old days I bought quite a few Nva amps that were on eBay spares/repairs and have restored a few for diy purposes, changing to power supply etc- not an easy task- getting into the amp is usually the hardest part.
But I’ve always kept a working original which is currently an A30

Best return to Nva for diagnosis

I’m fortunate to have a pair of A40 mono blocks mk2 that I picked up second hand on eBay and have been using them for over a year now even though I have an A30 & an S80 (old A20). These A40s were in poor state when received and were ‘for parts/spares- not working’ They tested good with my multi ...

Harsh
Vintage Goodmans, Wharfedale, Epos , Royd even diy/ open baffle work very well with Nva in my experience

If u could what would u like to diy as the cost new is probably more than you want to pay
For me I would love to build a version of the ifi neo stream with optical lan but a bigger screen.
What’s your current dream

https://ifi-audio.com/products/neo-stream/