PDF circuit diagram for Samsung power supply BN44-00168B, revision suffix B, file size 378 KB. The name lists no TV model, so identify the board by the sticker on the PCB. Samsung uses the BN44 prefix for power modules, and a schematic like this is used to trace the mains input path, check the standby regulator and PWM IC pins, and look for failed diodes, capacitors or MOSFETs on the outputs. Revisions of the same base number can differ, so confirm the suffix before ordering parts. Opens in any PDF viewer.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @gunvantrathore. Enginerys does not host this file.
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