Circuit diagram for the Apple iPhone 3G in a small 612 KB PDF. A technician can use it to locate the power management stage, battery and dock connector lines, audio, display and radio sections, and to measure expected voltages along a rail when hunting for a short or a broken trace. It opens in any standard PDF reader. Make sure the handset really is the 3G rather than the visually similar 3GS, whose logic board differs, before comparing component values or test points against this drawing.
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 @mobileschematicshub. 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 | |
|---|---|---|
| @mobileschematicshub | 14 Oct 2019 | Open file on RM Schematics |
| @abgm_manutencao_esquemas | 17 Sept 2021 | Open file on RM Schematics |
| @canalesquematicos | 21 Feb 2026 | Open file on RM Schematics |
| @canalesquematicos | 24 Feb 2026 | Open file on RM Schematics |
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.