macintosh lc

Good afternoon folks! Does anyone have... 1. An LC family Macintosh like the LC 475 or older... 2. An Apple II LC PDS card 3. An oscilloscope 4. Some spare time! I'm curious to find out about the electrical characteristics of the audio output from the card. It comes out of the card on Pin A1...

Hello all, I am new to this forum and also to vintage Mac ownership. I purchased a "re-capped" LC for a song but upon opening it I discovered that capacitor C7 had already blown up (it was soldered in upside down). I had a look at the schematics for the LC and I think I have narrowed it down to...

Hi everyone! I have an LCII connected to a Stylewriter 1200 but there's a problem. If the cable is plugged in to the LCII when I power the machine on, I get a question mark and the OS doesn't load. If the cable is only plugged into the LCII and not into the printer, same deal. If I allow the...