Schematic for the Dell Inspiron 15-3537 laptop, built on Compal board LA-9981P; the name gives no revision. Opened in a PDF viewer, it shows the whole board circuit, including the power supply, charger, EC, memory and I/O sections. Repair technicians use it to track down a shorted rail, check missing voltages during start-up and identify the parts around a damaged area. Because no revision is stated, compare the LA number and revision printed on the PCB, along with key parts, against the document before relying on it.
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 @ITHINKHS. 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.