Should I open up and monitor and try to "fix" it ?

if u decide to open it up, get a good net. i mean when u get shocked and fly back 15 feet, it would be there to catch ya https://www.sharkyforums.com/images/.../2005/06/5.gif

either that or buy something to discharge the monitor. But as for fixing it, if you understand modern electronics and can use a multi-meter, u can fix most dead monitors. Though, yours is just popping in and out of place. I'd suggest, just getting some compressed air and cleaning it out. if you have smokers in the house, they take a toll on monitors, plus someone might have spilled something at one time... or it just may be dying. But in the end you have to weigh it. Is it worth possible injury? I mean a new monitor can run what.. $150?

its ur call.

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Well true, but a good 19" monitor like this one runs for about $400 bones, so there's no way I'm getting a new one. https://www.sharkyforums.com/images/.../2001/11/1.gif I do have an air compressor at home, do you think if I cracked the case open a bit and blew a ton of air in there to flush out all the dust that has collected over the years that could help? That's probably the most I would do if I we're to try and fix it at this point. It *has* been acting a little better lately...been happening alot less often, so we'll hafta see.

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Originally posted by Cougar:
Dunno, but here in Australia we have heaps of places that advertise $70 for any monitor repair, or $0 if they can't fix it. That's about $35 U.S.

It sounds like it is a simple problem, for an electronics professional, so it probably wouldn't cost much t fix, take it to your local TV repair store.

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don't you hate how expensive everything to do with computers is over here........i have to buy al my stuff off the net


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'From now on I'm thinking only of me.'

Major Danby replied indugently with a superior smile: 'But, Yossarian, suppose everyone felt that way.'
'Then,' said Yossarian, 'I'd certainly be a damned fool to feel any othe way wouldn't I?'

Well, lets start off with me abusing some others for having some wrong info....
1) 30kJ does not necessarily kill you. What kills you is the current not the voltage. 30,000 volts at 100mA probably won't do THAT much damage....yet 120volts at 15amps may fry your brain.

2) If its NOT the cable, and you checked...There is no harm in OPENING the monitor. Don't poke it with anything metal though https://www.sharkyforums.com/images/.../2005/06/5.gif. Open it up..i'd even wear rubber gloves if ya got em...and look. If you see something OBVIOUSLY out of place, or loose....FIX IT...but make sure you're doing it right. Me being a "hands on" guy, ever since birth (in russia, where we dont have your little sissy 120volts, we got tha whole shabang of 220), ive gotten shocked more than once....YES it IS why i am this way. Nevertheless, my OOOLD monitor was getting discolorations, and my dad being an engineer for quite some years back in the day b4 we moved, we opened it up took a look. No we didn't fix it, but we are both still alive and well.

Just my two cents. No harm in opening it, just be careful, as always.

Well said Russian, at least someone here still has some balls! https://www.sharkyforums.com/images/.../2005/08/2.gif Strangly enough my monitor problem has seemingly "disappeared" as strange as that may sound. But...if it ever comes back...I just may open it up and look for the obvious. Who knows..."curiosity killed the cat."

I have taken apart 3 monitors before (1 while it was on) and have never gotten electrocuted. After reading how dangerous it is I am very thankful nothing happened to me. Well 1 was able to fix. There are these circle things that have an X in the center you an adjust them with your screw driver. They are like plasic screws. The problem with my monitor was it kept flickering between a shades of green and it's normal colors. I opened it up and adjusted it while it was on. There were adjustments for brightness, red, blue, green, and v-hold. I figured out which one was green and I adjusted the green just a little bit and it went away. Something was making contact that wasn't supposed to. The same thing is probably happening with the v-hold on your monitor. That's why when you hit it, it goes back to normal. The monitor still works today. It is 13 years old now. I don't use it though because it only goes to 640x480.

Shawn

Shawn

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--"640K ought to be enough for anybody." - Bill Gates, 1981

Wow that was just the kind of answer I was looking for! hehe, thanks alot! If my monitor ever starts acting up again I'll remember yuor words...that is if I'm so bold to attempt opening up this 50 pounds of screaming death in a candy coated shell.

Are you running any kind of UPS on you're comp? If the wiring in the electrical outlet isn't clean you could be seeing a spike of some sort. Get a can of air duster and blow the vents clean, nothing keeps the heat in like dust.

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A Winner Is You

I have an old air compressor in the garage...usually use it to blow up truck tires, inner-tubes, stuff like that. It's *really* powerful, would it be alright to take it to the vents in my monitor?

And no, I don't have a UPS of any sort. I don't think it's a power fluctuation, I have my system, monitor included all on one power strip, so I would imagine it would catch fluctuations, or if not, than the entire system would see the problem.

Well first make sure it's blowing clean air, you don't want to blow more crap into it than you are cleaning out.

Secondly, keep the hose back a good distance from the monitor, if it's really powerful could damage something.

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A Winner Is You

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Originally posted by shawnmos:
I have taken apart 3 monitors before (1 while it was on) and have never gotten electrocuted. After reading how dangerous it is I am very thankful nothing happened to me. Well 1 was able to fix. There are these circle things that have an X in the center you an adjust them with your screw driver. They are like plasic screws. The problem with my monitor was it kept flickering between a shades of green and it's normal colors. I opened it up and adjusted it while it was on. There were adjustments for brightness, red, blue, green, and v-hold. I figured out which one was green and I adjusted the green just a little bit and it went away. Something was making contact that wasn't supposed to. The same thing is probably happening with the v-hold on your monitor. That's why when you hit it, it goes back to normal. The monitor still works today. It is 13 years old now. I don't use it though because it only goes to 640x480.

Shawn

Shawn

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OK. On that note, I will say yes. To an extent.

I have had several old Mitsubishi monitors go fuzzy at the office.

I took the back case off and Lo and Behold, there were four plastic screws hidden.

They were all vaguely labled, and one was, of all things, Focus. https://www.sharkyforums.com/images/.../2005/08/2.gif

Adjusted it and the pic was fine. So I measured where the screws were in relation to the outer case. Marked the holes, and drilled openings for them.

Now when these dinosaurs go bad, I can stick a screwdriver in the hole, instead of taking the whole thing apart.

Aside from that though, I wouldn't touch the rest. https://www.sharkyforums.com/images/.../2005/06/5.gif Not worth it my friends.


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Happy Halloween, Ladies!

DO NOT...I repeat DO NOT use an air compressor to blow out your monitor or any other electronic device. Even a well maintained professional air compressor system contains SOME water in the lines, even with filters. Water + electronics = BAD! Use only pure compressed air to do any type of cleaning. Its actually 100% tetrafluoroethane in a pressurized liquid state that when released transfers no liquid out. Plus, there is no way to keep the air from a compressor perfectly clean from debris. Trust me from experience, a minute spec of dust or debris blown from a compressor at 35psi can be very painful and certainly damaging to components. Eat the 4$ and do the right thing. Good luck!

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Originally posted by jaywallen:
The insides of monitors are not places I would recommend that anyone go poking around in with a screwdriver. For one thing, electron guns aren't something that you can physically fix in place with a screwdriver. They don't flop around because they are built into a glass envelope that comprises the CRT. Anyway, if you have to ask this question, then inside the monitor is a place you don't belong until you get a chance to study and / or observe.

I'm not a hardware guy, and I'm not ashamed of it. If I had a monitor behaving the way yours is behaving, and if I wanted to see how to get it fixed, I'd take it to someone who knew what s/he was doing and ask if I could watch -- at least the first time. If, in the course of the ensuing repairs you detect the stench of charred human flesh and observe convulsive behavior on the part of this expert, you know that you will need to observe at least one other person performing the task before you attempt it yourself.

Seriously, besides the possibility of running across a big, bad capacitor inside the monitor, there is a risk, however slight, from CRT implosion, too. If you don't wish to pay a tech to look inside the monitor, at least get ahold of some documentation on the proper way to proceed with this job before you even think of attempting it.

Regards,
Jim

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jay,
Sounds like your flyback transformer is going. There's not much you can do to fix it. It MIGHT be that you've not de-gaussed the monitor often enough. Try de-gaussing the monirot several times in a row and see if that helps after a cold reboot

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Originally posted by jaywallen:
The insides of monitors are not places I would recommend that anyone go poking around in with a screwdriver. For one thing, electron guns aren't something that you can physically fix in place with a screwdriver. They don't flop around because they are built into a glass envelope that comprises the CRT. Anyway, if you have to ask this question, then inside the monitor is a place you don't belong until you get a chance to study and / or observe.

I'm not a hardware guy, and I'm not ashamed of it. If I had a monitor behaving the way yours is behaving, and if I wanted to see how to get it fixed, I'd take it to someone who knew what s/he was doing and ask if I could watch -- at least the first time. If, in the course of the ensuing repairs you detect the stench of charred human flesh and observe convulsive behavior on the part of this expert, you know that you will need to observe at least one other person performing the task before you attempt it yourself.

Seriously, besides the possibility of running across a big, bad capacitor inside the monitor, there is a risk, however slight, from CRT implosion, too. If you don't wish to pay a tech to look inside the monitor, at least get ahold of some documentation on the proper way to proceed with this job before you even think of attempting it.

Regards,
Jim

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