Question about Envision H190L Monitor

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We have an Envision H190L Wide screen LCD monitor. We always shut down the screen after each use. The screen just went black and will ot turn on. I've disconnected the cable and plug and reconnected with no luck. The screen is only -3- years old. Any comments or useful suggestions would be appreciated.

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3 years old is about the right time for the caps in the power supply to fail, that will be the first place to look, it can also be the backlight inverter circuits or worst case will be the lamp assmblies.
Read an see the pictures here:
If you are going to DIY 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/home/budm/allalbums
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 troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Posted on Sep 29, 2010

Testimonial: "Very useful information. Unfortunately, I don't have the necessary tools to DIY. I wouldn't even want to attempt it......so I may just replace it. TY"

  • chandramukhi Sep 29, 2010

    yes budmrtn is correct pls check the powersupply capacitors

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