3A / 32V fuse
Component appearing in 3 repair guide(s).

Appears in 3 guide(s)

MacBook Air A1466 / 820-00165 — Level 3 Repair Guide 820-0016
ReferenceF7700
Part3A / 32V fuse (0603-HF)
FunctionBacklight circuit protection
RailsU7701 input
⚠ Failure
Often blown after an LCD cable short. Measurement: continuity between the two terminals.
820-3115
ReferenceF7140
Part3A / 32V fuse
FunctionDCIN input protection
RailsPPDCIN_G3H
⚠ Failure
Open after overvoltage or input short circuit. Check before any other diagnosis.