Question about Envision E20E221 20 in. EDTV-Ready LCD Television

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LCD Monitor w/TV Tuner now flickering on and off when using w/PC

I've had an Envision E20E221 for a couple of years and haven't had any problems until recently when the power started flickering on and off with the PC connection. I do not have this problem when using the TV Tuner, though. I'm perplexed. Any suggestons?

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The television connection and the computer connection may run through different parts of the power board, but I the same problem with my LCD Monitor as your having... I pulled it apart, and learned that CapXon Capacitors are garbage... I went to Digi-key.com and ordered 6 capacitors for less than $10... or you can call 1-800 DIGIKEY and thier tech support will walk you through the order. Replacement was simple and clear with a hot soldering iron... And a lot cheaper than $95.00 for a new power board. I had 3 bad 470 25v CapXon capacitors.
Hope this helps!

Posted on Dec 23, 2009

  • hman1169 Jan 18, 2014

    years have passes since the repair and that monitor is still working great. The whole job only took about 30 minutes, the only thing you have to pay attention to is what side of the capacitor is negative. i recommend taking some pictures before you start and change one capacitor at a time.

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What could be wrong for my l42w761 to have no picture, and the yellow standby light blinks 20 times?


If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
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If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.

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Basic LCD monitor and LCD 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

Failed TV, Monitors, Caps : http://s807.photobucket.com/home/budm/allalbums

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