Power board schematic for Samsung BN44-00438A, provided as a 637 KB PDF. BN44 numbers mark Samsung TV power supply units, and revision A should match the sticker on the PCB. This larger file may contain more sheets than the shared document covering the 00438A and 00468A boards. A technician can use it to trace the PFC, standby and main outputs, find test points and diagnose no-power or cycling faults. Open it 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.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)