Circuit diagram in PDF form for the Compal-made LA-8671P mainboard at revision 1A, archived as RAR at 2.23 MB, with a 1004A code that probably marks the drawing date. Being a later revision than R1.0, it can differ in parts placement and values, so match the revision on your PCB first. Any PDF viewer opens it. Use it to trace rails, locate the PWM controllers, and follow enable and power-good signals while hunting for a short or 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 (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 18 Oct 2022 | 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.