Repair information for PowerBook G3 laptops from Apple.
J b @joaons
Rep: 1
Posted: Aug 9, 2020
What polarity is the RCA power in back?
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Dan @danj
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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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