Schematic for the Jetway HA18 motherboard, supplied as a PDF inside a 634 KB RAR archive. A circuit diagram like this lets a technician follow power rails, check the voltage regulator stages, trace signals between chipset and connectors, and identify component values when hunting a short or a missing voltage. Any PDF reader opens it after extraction, and searching by reference designator speeds things up. Confirm that the board model and revision printed on the PCB match the drawing, since component placement can change between revisions.
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 | 20 Dec 2022 | Open file on RM Schematics |
| @cyberlanelectonik | 16 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.