Gigabyte GA-Z77-D3H schematic labelled R102, provided as PDF in a 930 KB rar file. It covers the Intel Z77 based desktop board, including CPU and memory power regulators, chipset rails, USB and SATA routing and the front panel header logic. Repair work typically uses it to check expected voltages, identify the controller driving a failed phase or follow the power-good chain when the board stalls. Revision details matter on this model, so confirm the PCB marking matches the revision named here 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 @schematicslaptop. Enginerys does not host this file.
All sources (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 24 Sept 2023 | Open file on RM Schematics |
| @generalbios | 6 Oct 2023 | Open file on RM Schematics |
| @cyberlanelectonik | 15 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.