Found an old article from byte magazine that lists a logic diagram, perhaps it can be of some use here 
Post #24 by josefl710
| Source Forum | 68kMLA |
|---|---|
| Category | Troubleshooting |
| Post Date | Sun, 28 Jun 2015 - 22:13 |
| Original URL | https://68kmla.org/bb/threads/128k-logic-board-problem.2141/ |
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