Trinitron KV-36XBR250 Last Try

[YamahaFreak]

I really do not want to trash this set, but I am about out of options/ideas. The set's mainboard is physically cracked in two places, likely from mishandling, and likely why it was dumped. When plugged in and turned on, I get everything but high voltage and a picture. (Have not checked for CRT filament.) I have degauss, sound, controls for volume/channel/input, etc., just no HV or picture. Standby LED flashes unendingly.

I am looking for a replacement mainboard as a last ditch effort at restoring this set. Would anyone here happen to have one? Again, this is the KV-36XBR250; it has the controls for volume, channel, and power on the top of the set.