Schematic in PDF form, 6.36 MB, for the Samsung BN44-00520F power supply board, revision F. BN44 is the Samsung number range for TV power units, and revisions of the same base number can differ, so check the letter on the board label. The diagram supports tracing the standby supply, PFC boost stage and main outputs, measuring rail voltages and isolating failed switching transistors or capacitors. It opens in any standard PDF reader.
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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