Question about MegaVision MV220 Monitor

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Monitor goes black/blank

I have a hyvision MV220 monitor and it goes black/blank with in a split second after boot-up, I tried turning on and off and even hooking it to other PC's same results. I tried to contac megavision systems .com and thier phone numbers have been disconected and no reply by email

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  • 3 more comments 
  • blackbear166 Sep 11, 2009

    yes it woked great for the last .3 years then it just started all of a sudden

  • blackbear166 Sep 11, 2009

    all pin are good

  • blackbear166 Sep 11, 2009

    I also tried it on DVI same thing even with a different RGP cord

  • blackbear166 Sep 11, 2009

    yes

  • blackbear166 Sep 11, 2009

    so do I still get charged for getting no resolve

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  • Master
  • 574 Answers

Has it ever worked? Does it show the connection to the pcu or never connects?

Posted on Sep 11, 2009

  • 3 more comments 
  • roberta3fan Sep 11, 2009

    Is it a 15 pin connection and if so do any of the pins look damaged

  • roberta3fan Sep 11, 2009

    Have you tried a new cable

  • roberta3fan Sep 11, 2009

    Sorry really dont have a clue now.

  • roberta3fan Sep 11, 2009

    No, I,ll unlock the question for someone else to try.

  • roberta3fan Sep 11, 2009

    Sorry, I think you have to do it. I can't

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2 Answers

I try to power up the hyvision mv220 monitor and my display shows dim for a second then goes to blank.


Look for bad DC filter caps first, then the backlight inverter circuits.
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.
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Aug 22, 2010 | MegaVision MV220 Monitor

1 Answer

I have had the Hyvision MV220 monitor for 2 years now. I powered it off last night and it will not power back on this morning. There's a clear dot on the power supply and I'm not sure if it should be lit...


The light should be lit on the power supply when its plugged into the wall. Sounds to me like the power supply might be bad. Plug it into another working outlet and if it still doesn't light up then the power supply is bad.

If it lights up then you know the outlet is bad.

Dec 10, 2009 | MegaVision MV220 Monitor

1 Answer

My monitor goes black/blang in a split second of start up I tried turning on/off ,and even putting it on other PC's same problem (hyvision MV220)


There maybe a short somewhere in the circuitry..
it could be in the power cord. the video cable.. or the power supply is failing..
cheaper to replace rather than trying to fix it.

Sep 11, 2009 | MegaVision MV220 Monitor

1 Answer

Benq FP92G Display couple of seconds then blank. LED still green.


budged electrolytic capacitor nearby high voltage transformer. 220microcarad/25Volts. apply fresh solder and re-connect lamps.

Jun 01, 2009 | BenQ FP92G+S (Black,Sylver) (Silver,...

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Lg flatron blank screen


t certainly seems like the monitor is not getting a signal. Did this happen after you changed something, or just on normal boot up?
It could be the video card that has failed.
Also, check the pins on the connector; sometimes they can get pushed in.
If you can, try swapping out the video card or use the monitor on another computer.
Good luck,

May 09, 2009 | LG Flatron L1951S 19" LCD Flat Panel...

1 Answer

Monitor flashes image for split second then goes blank but green LED flashes as well


have you checked the capasitors?,if they,re ok then the proublem is one of the transistors it will have the letters DKQA on it ,they control the backlight power

Nov 30, 2007 | Sceptre X9G Komodo IV 19" Flat Panel LCD...

1 Answer

Black screen


How old is the computer? Make sure that the power light comes onto the monitor when you plug it in, should be orange and then turn green when video card syncs with it when PC is turned on. If you are getting black screen when PC is powered on:
1. Bad video card
2. Bad video cable
3. Bad monitor
1Solution: Try using a different monitor attached to this same PC and see if it works. If it does, then its the monitor, its cable, or its power supply. If it doesn't work, then its the video card or the video cable coming from monitor.

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Unplug the cable from your PC, if the monitor shows a test image, the monitor is fine and the problem is with your graphic card. If you dont see nothing on-screen after unpluging the cable from the PC, then the monitor in damaged. Send it to repair.

Jul 09, 2007 | Dell E193FP 19" LCD Monitor

1 Answer

Screen turns black


problem with the inverter chek it

Mar 18, 2007 | Daewoo L700C 17" Flat Panel LCD Monitor

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