I would just like to confirm to be sure, can an ASTEC AA16870 PSU be used as a test PSU in my IIci?
Current IIci PSU ASTEC AA 15831 is not working.
Thanks :)
Hello,
I recently received an old Macintosh LC in pretty bad shape from a gentleman with a Macintosh hoard. I recapped the PSU and got it working and then recapped the board. I was pretty pumped to try it out so I booted it up only to find that it must have belonged to a school and therefore...
I just finished removing all the old caps from my IIci and cleaned the board. I was happy that after the cleaning all the chips on the board looked good, even the ones in the areas with the caps that tend to leak and damage them. But then I noticed the CPU chip. Darn it, one broken pin and two...
Hello all,
There are some symbols on the Mac IIci Bomarc schematics that I need help with. In the image, this is part of the UD11 chip on the IIci Bomarc schematics. I have looked online for the answers but have not have luck finding the answers yet.
1. What does the line over ARST mean?
2...
Really basic question. What would the voltage be for these capacitors with the red arrows? For example, why don't the 0.01 uF capacitors show voltage when the other capacitors to the left show both capacitance and voltage? Thanks.
Hello,
I have been looking for the datasheet for an obsolete part, the UK14 RTC 344S0042 chip from my IIci. Lots of Googling but no luck at all.
Thanks :)