Power board schematic for Samsung part number BN44-00552A, provided as a 200 KB PDF. The name carries no further revision or model detail, so the board label is the reference to check against. BN44 numbers designate Samsung TV power supply units, and a diagram like this helps when tracing standby voltage, locating the PWM controllers and fuses and working out why a set stays dead or cycles. Any PDF viewer will open it, though small files may contain only partial sheets.
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.