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Recent content by squoril

  1. S

    I got some compact macs and they both dont work :(

    Oh would look at the time 🤣 One of the large caps is bulging so im ordering a recap kit as well
  2. S

    I got some compact macs and they both dont work :(

    Down by the FDC plug it looks like the electrolyte has gone down a via and delaminated internal layers. I had read some apple specific ICs could only come from harvested boards. Would a power on in a badly corroded state kill those rare chips (if they exist on a Classic II the RTC i think one...
  3. S

    I got some compact macs and they both dont work :(

    First up is a IIc rom255 pre serial fix, very early. Board looks good but going to recap preventatively before powering up. (not a compact i know) Second is a mac plus with 4MB of RAM, chime but no screen, going to look into the common reflow on the connectors and maybe recap the AB Lastly is...
  4. S

    PowerBook Duo battery replacement

    The DS2400/1 has a ~1nF capacitor inside to power itself, at idle the data line is pulled HIGH so the DS can charge up. An appropriate diode and capacitor should suffice to power an ATTINY while the data line is LOW for signaling. (should... IANAEE!) DS2400 series ESN emulation Here is a...
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