Question about Hannspree HW191D LCD Monitor

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Switches on shows screen and then goes off - Hannspree HW191D LCD Monitor

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My monitor is doing the same thing. I think it does that when its cold. I turned the monitor off, shook the screen and turned it back on and it was working.

Posted on Jan 04, 2010

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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 open 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 ! come back all is not well
mmmMMMMmmmMMMMmmmMMMMTim Berners-leeMMMMMmmmmMMMMMmmmm

Posted on Feb 04, 2010

  • paulbtorrent
    paulbtorrent Feb 09, 2010

    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 stonehttp://www.aplusperfect.com/articles/lcd... 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 ccfl and replace and going
    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/troublesho... OR MONITOR

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Make sure the resolution for the computer is ok with your monitor and also make sure you set the right Hertz for the monitor. Try switching them around a little bit and see if that helps and makes it stay on.

Posted on Jan 04, 2010

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