I see 2 physical damaged transistors

https://flic.kr/s/aHskRjQs1P

when i type the model name + schematic/service manual i see nothing usefull.

I live in Bulgaria, this mark is greek i think and i dont understand greek language.

Thanks

 

A friend of mine told me that i will eventually find a scheme by the model of PWM.
It`s eltrend wt7514l
Can someone help ?