Repairing a musicson p-802 - needs pcb layout

Hi! Im repairing a burned pcb from a musicson p-802

I have the scheeme and another working module.


As the damage is soo deep....im thinking in cut the burned part of pcb and do another with my new laser engraver

If its posible....someone have the pcb layout of this amp? Or think is better refill holes with epoxi and try to make conexions again?

Pd: burned by a broken electric generator, around 300 volts 🙁
Pd2: i tested isolation with polimeter in 2mohms and dont have continuity between burned areas WhatsApp Image 2020-12-27 at 19.03.24.jpegWhatsApp Image 2020-12-27 at 19.03.23.jpeg
 
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