What are these burnt element pcb hifonics goliath gx5000d

[pawel99]

It is a board that controls the output transistors, the symbols are worn and it tries to find what it is, if someone knew I would be grateful for any suggestions. It is a 14-knife smd integrated circuit

 

[pawel99]

Could be...
U1, U5, U7, U2: IR21844s or IRS21844s
U3:TL072
U4:LM211
U6:?
Anyone can confirm this?

 

[Mark Tillotson]

Since nothing is legible in those photos, it'll be unlikely anyone can help that doesn't have the same device with silk-screen printing intact...