Question about LG Flatron Computers & Internet

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E1941 flatron Screen has very light lightly flickering 'waves' on the screen.

Posted by Anonymous on

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4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 62 Answers

SOURCE: screen flickers

1. main capacitor 220mf / 420v .

2. drypoints on monitor kit.

3. electrical distabence.

Posted on Nov 26, 2008

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  • 16 Answers

SOURCE: my LG 2234 flatron widesccreen

You have a power supply problem - 99% certainty here, as I am using a flatron monitor which had the same problem when I got it. There have been many solutions posted here regarding flat screen monitor power supply repair, which is a problem common to the monitor class, not just the brand (I also use an HP and an Acer which I repaired for the same problem). I refer you to a recent solution posted by FixYa guru budmrtn: http://www.fixya.com/support/t7497516-delayed_startup_lg227wtg_progressed.
His solution provides links to a wealth of photos and knowledge. I have reviewed his documentation and can find no fault in it.

Posted on Jan 06, 2011

budmrtn
  • 11361 Answers

SOURCE: my LG FLATRON L1770HQ screen

Look for bad caps with domed tops in the powersupply/inverter board. See LG and other failed monitors albums.
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Posted on Apr 12, 2011

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When it flickers, can you still see the text when the screen goes dark?
May have to use a bright flashlight set right on the display to see
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You can also look at a grazing angle into one of the edges to see if the
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When it's cold, does it start with a slight pinkish color? That can be
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I'm not saying it's impossible, but I've never seen software cause
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If you bet the odds, you'd bet on a bad display cable.
Won't hurt to try replugging it.

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