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…

Apple iPhone 3GS schematic, provided as an 8.92 MB PDF. The circuit drawings let repair staff follow the supply rails, check charging and backlight sections, and trace…

Schematic diagram of the Apple iPhone 3GS, in PDF format, and no board number or revision is given in the name.

Apple iPhone 3GS schematic carrying the N88 internal code, provided as a 787 KB PDF. N88 is the project identifier named in the file for this model.

Schematic for the Apple iPhone 3G, supplied as a compact PDF of about 612 KB. The small size suggests it may be a partial set, so check which pages and sections are…

Schematic for the Apple iPhone 3GS, provided as a 6.54 MB RAR. No board or schematic number is given in the name, so check the document and compare it with the markings…

Apple iPhone 3GS schematic in PDF form, roughly 8.92 MB. Board-level diagrams like this let a technician follow power rails from the PMU, trace signal lines between the…

Schematic PDF for the Apple iPhone 3GS, logic board 820-2762, in a 789 KB RAR. 820-xxxx is Apple's own numbering for logic boards, which lets you confirm the exact board…

Schematic for the Apple iPhone 3GS, packaged as a 787 KB PDF. The file name does not state a board number or revision, so verify the title block against the board you…

iPhone 3GS schematic in a 2.20 MB RAR archive. The name gives no logic board number or revision, so compare the drawings against the board in hand.