Service Manual:
https://drive.google.com/open?id=16s3LZTwBPvsWqGlCRJZg_2gOeRV-WOga

Cross Reference Information
Part Number DA92-00384B (AP5620310) replaces PS4168056, 3188304.
Cross Reference and Model Information

Assy Pcb MAIN;13V,5V,LED
Part Number: AP5620310
Manufacturer's Part Number: DA92-00384B
Manufacturer Model Number Description
Samsung RF263BEAEBC/AA-0001 REFRIGERATOR
Samsung RF263BEAESP/AA-0001 REFRIGERATOR
Samsung RF263BEAESR/AA-0000 REFRIGERATOR
Samsung RF263TEAEWW/AA (0002) REFRIGERATOR