Question about Proview PL913B 19" Flat Panel LCD Monitor

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Proview monitor won't keep the screen on

When I turn my monitor on it comes on for a few seconds and then the screen goes black but the on green light stays steady and lit..what would be the problem here? If I turn it off then turn it on again I get a picture for about two seconds..then does what I just said.

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  • 152 Answers

Bzinbby1, Hi, I think I know what's wrong. In fact I already know what's wrong! But I want you to do one test to let me know how bad it really is! Here is the test. I want you to reconnect your Proview to an already fully booted "KNOWN GOOD" pc with WIN DESKTOP showing. Then and only then power up the Proview and hold a good, bright flashlight 2 inches from the lcd screen after the screen goes to BLACK! Even though the screen appears BLACK, can you still see the WIN Desktop if you hold the flashlight at different angles???? Get back to me with results of test. I will then tell you what options are open to you as a consumer whose screen is now dark and lifeless. I'm louie12fix on fixya or lmistyrel@ aol.com

Posted on Apr 16, 2009

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If you can see the pixels like he says, the backlight's gone - which is pretty easy to fix. Look at the capacitors first, if any of them look oddly bulgy, chances are that's done it. You can also try finding fuses and testing them for resistance - if it stays at 1 then the fuse is bad. Check for dry joints (where the solder hasn't quite melted on to the components properly) and burnt marks in case something's overheated.
If you have any other monitors, it's worth piggy-backing them, so that the monitor you're fixing is powering the screen and a different monitor is powering the backlights. They will be connected to the board by pink cables, most likely, and there'll be two or four of them - there's two long fluorescent tubes going along the top and bottom of the monitor. If the tubes are ok, then the board they're connected to is bad, whether by capacitors, burnt bits, or a popped fuse.

Posted on Jul 08, 2009

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Posted on Jan 02, 2017

budmrtn
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SOURCE: Proview Monitor Blank display after 3 seconds issue

First place to look will be the power supply section, look for bad caps (bulging tops or bottom seals), the post back what you see so we can guide you further for direction such as voltage checking, see example of failed monitors due to bead caps: http://s807.photobucket.com/home/budm/allalbums

Posted on Jan 28, 2010

paulbtorrent
  • 34 Answers

SOURCE: ACER AL1914 LCD Monitor goes black but green light stays on

The monitor is doing a self test a finding an error.
The lcd has three parts, the screen plate(windows)/the logic(vga)/the inverter(power plug). Parts that go are the backlight ccfl's, behind the plate, and parts of the inverter, ie capacitors, all three take a bit of power from the inverter. The self test check that all the lights are ok and the inverter is ok, else it switchs off, ie if 3/4 light work it will switch off(my own case), hence the on chech error then off, However sometime there are stages of on/off ie on/ but no screen display, if that is the case the following may be of help...if you put bright light at an angle close to lcd can you see a windows shadow, text icons etc, ie still logic power passing,then .... (from a.n. other) after two weeks searching I finally find doctor living stone http://www.aplusperfect.com/articles/lcd_capacitor_repair more fun with paulbtorrent
the takening the case bit off is like opening your wallet a second time after buying a new LCD, but you must! smallest two screw driver's flat headed, practice using two pennies stuck together()with your fingers after, one little () move and inch and {} again, with the case , it does not break, just need to lever open
[once open you realize they somehow put that old briefcase clip inside!] also note the bright light test to do first to see if can see a windows screen , and that capacitors are one for a number of things that a make a inverter work! there a transistors as well, given that however, to replace all the capacitors on my inverter, was 11 capacitors, cost me $11 (uk ebay) and already had the iron and solder. So only cost me me $11 to try and see but no luck , still fun and I still can see the screen for 2 sec' at a time plus I have a spare set of caps now in the event that the new one do go burst! you have to laugh really, what next , a new on/off button, as you work though the whole inverter mmmMMMMmmmMMMMmmmMMMMTim Berners-leeMMMMMmmmmMMMMMmmmmcome back all is not wellMMMMMMMMMMnnnnnnweek later land sight mmmmmMMMMMMMMMmmmmgggggggg(from
another a.n other)Generally, if the screen went out quickly, it was the inverter. If it went out over a slow period of time (flickering etc..) I would bet it is the lamp.replaceing the lamp should be pretty challenging. as that requires complete breakdown of your LCD, extraction of your dead lamp, and soldering in your new lamp... but I would like to say that I it did this after realizing it's 2 x kitchen strips inside [========] with wires that can connect back to the inverter with out any desoldering(ie kit assembly/dis) with the outter case remove (glass plate safe away) I could reconnect and see that 3/4 were working (i!i hardcard ) cause the inverter to switch off after a secound ! order bult and replace and going
to cheap and see if I can get away with fitting a 15" in my 19' as it a 1/3 of the price ! the market as drop out there, hope the inverter does not miss the length, or the screen out put.http://www.lcdparts.net/howto/troubleshooting/LaptopCCFL1.aspx OR MONITOR

Posted on Feb 08, 2010

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