Just found the -5V rail on my IIci on the RS-422 driver chips. There's a 47 uF capacitor near them (C5) with the negative edge hooked to -5V and the positive edge hooked to GND. So they did it correctly on the IIci for example. Yep...must just be a mistake on the LC III.
Post #17 by dougg3
| Source Forum | 68kMLA |
|---|---|
| Category | Hardware |
| Post Date | Sat, 13 Apr 2013 - 02:30 |
| Original URL | https://68kmla.org/bb/threads/lciii-recap-apple-design-fault-47uf-reversed.27834/ |
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