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  1. MacMaster

    SE/30 Power issues

    I have an SE/30 that seems to not be getting the 12v it needs to the logic board. It is somewhat intermittent in that I can occasionally get it to boot and read 12v out the external floppy connector but most of the time it fails to boot and I just read around 3.6v instead of 12v (as a side note...
  2. MacMaster

    Reliability of safety filter caps: RIFA vs. WIMA

    I recently acquired an Apple IIe manufactured in 1985. Expecting to need replace the RIFA caps in the power supply as to prevent the notorious puff of smoke, I opened up the DynaComp (606-5001) power supply and found WIMA MKS-4 caps instead of RIFA caps. These capacitors are encapsulated in...
  3. MacMaster

    PowerBook G4 (15" FW800) Trackpad issues

    Has anyone ever revived a dead trackpad on an Aluminum PowerBook G4? My 15 inch trackpad is completely unresponsive with no cursor movements and the button does not work. I have to use an external mouse for everything. I have tried several times reseating and cleaning with IPA the trackpad flex...