Total PFC flash.
Mistake of circuit soldering, -
absent FB of current control SG6961SZ).
Replacing all SMD components of PFC side + SG6961SZ.
Replacing power mosfet and shunt resistor.
Meking new print.
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Project of electronics circuit is not correct.
C14: 2u2 50V => 220uF 50V
C15: 2u2 50V => 10uF 50V.