A Mac 128k that starts up and displays the Sad Mac with vertical lines has what- capacitor failure? A friend has asked, and I have never even seen one of these before, so any help …
The Mac II and IIx used one version of the PSU; the "real" IIfx used a revised version (with variable speed fans?). Part numbers are:661-0375 Power Supply Mac II, IIx 120watt
661-…