Hifonics brx3016.1D Power supply driver identification.

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i could use some help with these drivers for the power supply. There may or may not be transistors missing. This is what i have.
q4_2 2sd669a
q3_2 2sd669a
q6_2 Empty
q5_2 2sb649a
q7_2 Empty
q8_2 2sb649a
q9_2 2sd669a
q10_2 2sd669a

are the empty ones i have for pnp drivers as well.?
 
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I have a problem with the same amplifier. The customer himself replaced the inverter transistors and literally burned down again. All items checked. However, the inverter does not work. Looks for IRFP064 control signal too weak. I don't see any burnt path. It is possible that it is hidden under the adhesive or trafo. According to the meter, there is power and GND on the respective legs of the control transistors. If I skip the D669 and D649 transistor driver. The inverter starts. I will attach my entries regarding the elements, they may not be correct. I am sorry for my English I am from Poland
W6FUf1.jpg

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