Logic gate SC-70
Component appearing in 1 repair guide(s).

Appears in 1 guide(s)

MacBook Pro A1502 / 820-3476 / 820-4924 — Level 3 Repair Guide 820-3476
ReferenceU2030
PartLogic gate SC-70 (820-4924 only)
FunctionPP3V3_S4 rail. Not required at boot under normal conditions.
RailsPP3V3_S4
⚠ Failure
Internal short → blocks S0. Test: remove U2030, if machine boots = confirmed cause.