Date: Thu, 25 Sep 1997 08:13:31 +0800 From: Doug Lo <jwlo@ms11.hinet.net> To: freebsd-hardware@FreeBSD.ORG Cc: Chuck Robey <chuckr@glue.umd.edu>, Mark Mayo <mark@quickweb.com> Subject: Re: My monitor's got the Shakes... Message-ID: <3429ACAA.AECB4487@ms11.hinet.net> References: <Pine.BSF.3.91.970922173344.8910B-100000@bmccane.uit.net>
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Mark, I got the same problem with you. My monitor is 17" MAG, type is DJ707. Is it the same type with you? Have you got any solutions? If you have, please let me know, Thanks in advance, Doug. Wm Brian McCane wrote: > On Sun, 21 Sep 1997, Chuck Robey wrote: > > > On Sun, 21 Sep 1997, Mark Mayo wrote: > > > > > Hi all... well a bad couple of weeks on my hardware seems to be > > > getting worse. Suddently, my monitor is "shaking". Basically, every > > > 10 minutes or so (not regular) a small, rapid shaking happens. A > > > slight brightness fade-in, fade-out sort of happens at the same time. > > > The picture would appear to be moving straight up and down (by a > > > really small amount, but enough to be REALLY damned annoying). > > > > > > Any idea what the cause could be?? > > > > > > This monitor has already developed a pretty serious case of ghosting, > > > so I fear that this fit of shaking is my signal that "she's gonna blow!". > > > > > > It's a 17" MAG, about 3.5 years old I believe. Been a faithful monitor, > > > but it's been going downhill at a break-neck speed the last 6 monhts or > > > so. > > > > Oh, lovely. I'm reading this on a 3.5 year old 17" MAG. > > > > It sounds like arcing somewhere in the HV section. Can you literally hear > > it? > > > > As the capacitors get older, sometimes they go bad. If you're lucky, > > that's it. If you're not, it could be something expensive, like a > > transformer arcing. Affecting multiple sections also makes it sound like > > the power. > > > > One other thing to watch for ... MAGs can't stand overheating. You don't > > have some printouts laying on the top of the monitor, do you? > > I have seen this in the past on some "magitronic" and Mitsubishi diamond > monitors. In both cases it was a transistor (Power-FET?) on the board. > I looked for the burned out tranny and replaced it on the 'magitronics'. > A similar problem also caused them to get darker and darker..... > >
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