LG LFXC22596S/01 Product Code: GR-X228NSSM.ASTCNAO refrigerator needs new control board and cannot get definite answer on part number

Refrigerator & Freezer Repair
1

Brand: LG refrigerator
Model Number: LFXC22596S/01
Main Symptom: No Power from Main Control Bd to heating element when in forced defrost test mode.
What happens & when: Heating element assembly tests within spec and wiring from control board plug to heating element checked out fine.

Error Code (if any): dH F
Parts or tests already tried: Already replace heating element assembly.
Photos / video link:

LG Refrigerator Model
LG Refrigerator Model1920×2560 424 KB

LG Refrigerator control board
LG Refrigerator control board1920×2560 1.17 MB

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The board is this part ( LG ABQ76121029 Bottom-Mount Refrigerator Pcb Power Control Board Assembly | Genuine OEM Part ) but it has been discontinued