Schematic for the PH317-53 laptop board code-named COVINI, dated 20190213-2, provided as a PDF inside a 3.3 MB RAR archive. The model code matches the Acer Predator Helios 300 line, though the brand is not stated here. Technicians use these pages to follow the power-on sequence, check rail voltages, identify components on a shorted net and read connector pinouts. Match the board number and revision on the PCB to the drawing before trusting component values, as boards for one model can come in several builds.
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 @schematicslaptop. Enginerys does not host this file.
All sources (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 26 Apr 2023 | Open file on RM Schematics |
| @cyberlanelectonik | 22 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 14 Aug 2026 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.