Remove the nut from the front SMA. Remove the sticky trim label from the rear panel (you may have to remove the nuts from the BNC’s) and you will see four cross-head screws. Remove these and then you can slide the pcb backwards out of the case. I found mine was stuck and needed a bit of brute force to free it.
I think the above is correct, but I’m working from memory. I bet Justin or one of the guys will put me right.
In case you’re wondering why I took mine to bits, I had blown up the mixer (still don’t know how…) and wanted a look inside.
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