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Home▸ Forums▸ 68kMLA▸ Broken Mac Classic Logic board — #7
Post #7 by falen5
Source Forum68kMLA
CategoryHardware
Post DateWed, 15 Apr 2015 - 18:16
Original URLhttps://68kmla.org/bb/threads/broken-mac-classic-logic-board.1759/
Post
take a few pictures and post them.

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has the white lettering on the board turned green around the acid spill area...........that's what happened to mine.

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On mine ive metered out the rom to cpu and reconnected every broken trace - meters out fine...........but still no chime

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what else has to happen for chime?

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is this the startup sequence - 1 cpu asks 'anyone out there' . 2 rom says yep, im here. 3 start initializing video, ram etc etc

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has anybody ever got an se30 back to life after an acid leak...........without osiloscope and schematics? - if so ............tell me HOW YOU DID IT !!!!!!!!

mp.ls