Power supply works when logic board is disconnected.
iMac is dead.
I tested the power supply separately from the logic board and all the pins match the expected amounts. When I attach it to the logic board, all the pins are dead, zero volts everywhere.
Q: Does this mean there’s a short on the logic board? Wouldn’t the pins still show a voltage since the short is drawing power?
Q: Do I need to supply voltage to the board to find the short?
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