Mainboard schematic PDF for the TongFang PF4PN2F, packed in a 670 KB RAR archive. The name gives no revision or date, so compare it against other PF4PN2F schematic releases and the board itself before relying on specific part values. TongFang builds barebone laptops sold under various brand names, making the board code on the PCB the key identifier. Technicians use such diagrams to follow power rails from the charger circuit through to the CPU regulators, check signal paths and find the parts behind a missing voltage.
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 | 10 Jun 2024 | Open file on RM Schematics |
| @cyberlanelectonik | 23 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.