Question about MegaVision MV220 Monitor

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

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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.

Posted on Aug 22, 2010

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I am trying to plug my second monitor-hyvision to my laptop, the message shows-out of frequency, it seems not to be recognized, what should I do?

Posted on Sep 14, 2010

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1 Answer

One of two monitors went blank. When I turned it


The problem can be the inverter board or worst case will be the lamps, you need to have spare lamps for testing, that is how I narrow down the problem to find out if the inverter is bad or bad lamps. see example here: http://s807.photobucket.com/home/budm/allalbums

Jan 25, 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

Dell E172FP shows image for one second


There is a loosing on the Display portion of its circuit, there could be a problem in the Power Supply too. Will need to get it fixed from some repair shop, or if you are ready to get the list of tools, then I can guide where exactly you should try to solder it, or check the desolded items by the DMM (Digital Multi Meter)

Jan 27, 2009 | Computers & Internet

2 Answers

Monitor displays breifly then goes to blank screen


If tried the monitor on two other computers with the same result -- definitly your monitor is faulty. Take it to the repair shop. To make double sure, run your computer with another monitor. If everything is fine now; you can blame the monitor.

Dec 17, 2008 | Dell Dimension 4600 PC Desktop

1 Answer

Monitor goes black but shows icons...


I'll assume this is an LCD panel screen.

If what you are saying is the screen shows up and then goes dim or starts dim, and you can see a dark image of the system starting up and then displaying Windows...

Your problem is a bad CCFL (Cold Cathode Fluorescent Lamp) at the top of the LCD panel.

If the screen is totally blank, then it may be the power inverter.

You can find many websites that sell these parts, but make sure you have the right model.

If you feel comfortable with working on computers, you can replace this part yourself. Otherwise, you may want to pay a technician to do it. Make sure to get a fixed price quote before authorizing the work

Here is a website on LCD repair for laptops, but it the same principal for display monitors.
http://www.ccfldirect.com/lcdtutorial.html

RDO

Nov 16, 2008 | HP vs15 15"LCD Flat Panel Monitor

1 Answer

LCD monitor goes blank


It appears that the display resolution set in your display properties is out of the range that the LCD can display.

Try this.

Boot to the ENABLE VGA MODE by pressing F8 to get the Windows Boot Menu. If you can get to the desktop, then go to display properties, and see if you can change the resolution to higher settings and maintain video. (If the video blanks out, then it should revert to the previous setting in 15 seconds)

Aug 03, 2008 | Gateway FPD2275W LCD Monitor

2 Answers

Monitor goes blank


Sounds like the back light inverter board is bad. It's a very common problem. LCD's use four small cold compact fluorescent bulbs to back light the display. (thats what gives the LCD it's brightness allowing you to see it) The inverter board runs these lights and when they go bad they will typically show symptoms like you have or the monitor power light comes on and you have either no display or a very dim display. If you ever have one that has no display but the power light is on you can check by shining a flashlight directly into the LCD from the front (right into the screen) if you can see an image then it's either the inverter board (most likely) or the CCFL bulbs have gone bad. The inverter board and CCFL's are replaceable. Good Luck, El Duderino

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