Hardware Dead switch now slightly boots but can still not fully load, advice please.

[lpoolm]

So I got a faulty switch which will not turn on.
Chargers but only on the trickle charge (watched a few tronicsfix videos), would not connect to laptop to enter rcm.
Checked the usual chips and capacitors and there is no shorts.
Was at a loss until I disconnected the nand chip, plugged back in and it booted to the nintendo screen then turned off?
After this was able to connected to computer to make a nand backup.
Just out of interest decided to connect my sxos dongle to see what it did and it came up with a missing boot.dat image so decided would try giving atmosphere a go.
Installed all the files and can now boot up to the hekate v5.0.2 home screen but when I go to launch and press cfw (sysnand) or (emummc) it boots atmosphere screen then goes back to the hekate home menu.
I am at a loss now on if I can give anything else a go or if I am stuck in a constant boot loop.
Fuse count is 9 if this helps in anyway.
ANy tips or pointers would be great.
Thanks

 

[lpoolm]

*Just an update I have noticed when the atmosphere screen comes on it flashes a red error message for half a second, it says:
"pk92 decryption failed!"

Ive read a few threads which hint towards an error due to firmware not matching the fuse count.
Is there a way to boot into choidujour from the hekate home screen?
Thanks

 

[lpoolm]

I know this is an old thread but now I am on lock down digging out old broken items and looking to give this a go again.
Any ideas or input please?
I need something to pass the time!