How can the monitor fail?
[Courtesy of Rob Stampfli:] I have witnessed the loss of more than a few Unix-PC monitors to a phenomenon where the right side of the screen becomes increasingly compressed (nonlinear), at an exponentially increasing rate, until the monitor fails completely. Usually, this occurs over a period of months, and it usually is observed after the monitor has been removed from service, stored, then placed back into service. [Rob notes a particular case which was diagnosed by his colleague, Harry Maddox, BEFORE the monitor failed completely. He writes, “We believe that an actual failed monitor would take out an associated transistor and the flyback transformer, unless the monitor is fused, presenting a much more difficult problem to fix.” The particulars:] A 4.7 uF 25V non-polarizing electrolytic capacitor (C411) is bad. C411 develops a high internal resistance and gets quite hot, which further causes it to deteriorate. It may explode — use caution. C411 is located between L402 and T401 inside
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