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Repair information for PowerBook G3 laptops from Apple.

79 Questions View all

What polarity is the RCA. Power in 24volt?

What polarity is the RCA power in back?

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1 Answer

The pin is positive and the shell is negative (ground)

You’ll need to find a 45 W AC (M4402) power brick and likely need a new battery if you can find a fresh one: PowerBook G3 Battery Apple P/N 922-3380

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