Question about Envision 19" Widescreen Flat Panel LCD Monitor

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Envision Series / AOC 22 hdtv monitor

HI Fixya ,
First post ever.
I have a 22 inch monitor
AOC Envision Series L22W765, I believe its the model for Latin America.
Yes I went to the AOC pages here at fixya , but I couldn't find the envision model.

Here 's the problem.
When I turn on the monitor, it searches for a signal,the power light flashes orange , displays the computer or tv image and after 5-10 seconds it turns it self back off agian. The power light stays orange.
The problem started yesterday but after two tries it stayed on.I turned it off and in the evening it worked again. But today it just turns it self back off again.
Three days ago I Installed a soundcard , but after a few hours it was giving me feedback through the speakers which are on the floor. The mic was turned off by the way ,pc mic level and the mic itself .The monitor worked fine no distortion.Could this be the problem. How can I fix this ? I bought it 4 months ago ,it worked perfectly ,and I dont believe this models is that old. Or did some fuse get blown Im not a technician but I can ask a few people here to help me ?
Im really disaspointed right now
Thanks for your help


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  • 9 Answers

Probably blown capacitors, the 19" widescreen uses 6 16V 1000uF
Do you have a soldering gun? Its not that hard to fix, get the capacitors on ebay for $6-$8 with shipping.


Posted on Mar 21, 2009

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Posted on Jan 02, 2017

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I have an AOC 42 inch hdtv , my problem was it on by it self as well as the volume goes ups and down,I can't even control it by doing it manually or by the remote..


it seem like capacitor is gone, as it is obvious that you do have limited knowledge of the tv, i would suggest sending it to the workshop, most aoc tv have two or three year warranty, you can check they warranty on this site:
http://us.aoc.com/support/warranty

select product and then model number and follow instructions, if it is still under warranty - your problem is solved, fill online form and that will be that, in most countries they even organise pick-up.

if it is out of warranty, on this same site you can find recommended repairer.

hope this will help you solve the problem, do not forget to vote...

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http://s807.photobucket.com/albums/yy352/budm/AOC%2019MWK/

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.

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You may have power supply/inverter board problem due to bad caps, or worst case will be bad lamp assembly, the one shown here has broken lamps, you can hear arcing sound if you listen real close.
http://s807.photobucket.com/albums/yy352/budm/Envision%20G22LWK/

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

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