land@hpccc.HP.COM (David M. Land) (07/27/88)
The Sony Trinitron monitors always degauss on power-up. Sometimes you can hear it, sometimes not. Actually, if you turn it off and back on again, it won't degauss -- there's a "positor" in the circuit that gets hot and cuts the coil current. It has too cool down for the coils to energize on power-up. So don't worry, your monitor's probably fine.
viking@iuvax.cs.indiana.edu (07/28/88)
> I have a Mac II with the standard Apple color monitor (8-bits). After > moving the system, the monitor has acquired a rather odd power-up > sound. It sounds like the degausser is firing off every time I > power-up. Is this normal? I don't remember it doing this before the > move. I have experienced the same thing, but it seems to be individual to specific Mac II's. It's sort of a dull hum upon power up. I thought it was a poorly supported monitor that had a vibration buzz, but now I think you might be right...it *is* the same sound as the degausser. On Sony's own color monitor, the degausser activates with each power- up. Maybe this happens after time as an added 'feature' of the Sony's version of the monitor for Apple. :-) Jon Backstrom "Yah sure...we gonna have fun, you bet!" Computer Science Department Indiana University ARPA: viking@iuvax.cs.indiana.edu Bloomington, IN 47405 UUCP: {pyramid,inuxc,pur-ee,rutgers}!iuvax!viking
viking@iuvax.cs.indiana.edu (07/28/88)
> I have a Mac II with the standard Apple color monitor (8-bits). After > moving the system, the monitor has acquired a rather odd power-up > sound. It sounds like the degausser is firing off every time I > power-up. Is this normal? I don't remember it doing this before the > move. I have experienced the same thing, but it seems to be specific to individual Mac II's. It's sort of a dull hum upon power up. I thought it was a poorly supported monitor that had a vibration buzz, but now I think you might be right...it *is* the same sound as the degausser. On Sony's own color monitor, the degausser activates with each power- up. Maybe this happens after time as an added 'feature' of the Sony's version of the monitor for Apple. :-) Jon Backstrom "Yah sure...we gonna have fun, you bet!" Computer Science Department Indiana University ARPA: viking@iuvax.cs.indiana.edu Bloomington, IN 47405 UUCP: {pyramid,inuxc,pur-ee,rutgers}!iuvax!viking