Home▸ Forums▸ Repairing SE/30 battery acid damage... what's on D1 and D2, and crystal speed? — #25▸ Repairing SE/30 battery acid damage... what's on D1 and D2, and crystal speed? —
Post #25 by Elfen
Source ForumRepairing SE/30 battery acid damage... what's on D1 and D2, and crystal speed? — #25
CategoryTroubleshooting
Post DateWed, 10 Dec 2014 - 17:18
Original URLhttps://68kmla.org/bb/threads/repairing-se-30-battery-acid-damage-whats-on-d1-and-d2-and-crystal-speed.741/
Post
Its a diode, part of the startup/battery/PRAM circuitry. The third pad goes nowhere.

oldPigeon - hope this helps:

d1-fixed.png.e27afb907416ec2c11c88b27ed4ba2df.png


I verified it with my SE/30 board.

What worries me is all that corrosion on the chip and other areas. They can be part of the problem.

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