Question about ViewSonic VA902b 19" Monitor

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The monitor is blinking picture unclear - ViewSonic VA902b 19" Monitor

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Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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 VIEWSONIC 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

Posted on May 17, 2010

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Mark_Webber
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SOURCE: the monitor is blinking picture unclear

This is caused by bad capacitors inside the monitor on the powerboard.
They will need to be replaced by someone who knows what they are doing with a soldering iron and general electronics.
Any local TV repair shop will be able to take care of it if you don't know anyone who fits the bill.
Peter

PS: The parts required are very cheap, you will pay more for labor then anything else in this case.

Posted on Mar 26, 2010

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I have SyncMaster 940nw LCD monitor, which works strangely: screen is often black(sometimes I can see unclear flickering), power indicator is double blinking one time per second. Menu doesn't show up...


The problem is in the inverter board which powers the back lights behind the screen. The cause is bad capacitors that sometimes bulge at the top indicating they are open. The board needs to be changed or an attempt made to repair the old one. Now you indicated a second problem with the menu not coming up, you probably would be further ahead to replace the monitor.

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Hi sir. when i watch any video songs or movies


your videoes have a small pixel say 320x240 so when you blow it up to say 1440x900 the player has to ADD pixels that dont exist. so you get an unclear picture.

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Nokia 800+ monitor - screen is blinking approx.


Hello,

I think the problem with your monitor is that, the picture board on the monitor is malfunctioning that is why it keeps going blank after a minute.

What you need to do is to replace the picture board on your LCD monitor, replacing the picture board will solve the problem, because the picture board on the monitor at the moment is bad and will need to be replace.

Replace the picture board and you will see that the problem will not repeat itself again.

Take care.

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(montior)on light is blinking on and off NO picture


You can look at my pictures to see what is usually wrong with your DELL monitor:
http://s807.photobucket.com/home/budm/allalbums

Most of the time are due to bad caps, bad soldering works, shorted transisotrs, etc.
Replacement board: www.lcdrepair.us

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1 Answer

The monitor is blinking picture unclear


This is caused by bad capacitors inside the monitor on the powerboard.
They will need to be replaced by someone who knows what they are doing with a soldering iron and general electronics.
Any local TV repair shop will be able to take care of it if you don't know anyone who fits the bill.
Peter

PS: The parts required are very cheap, you will pay more for labor then anything else in this case.

Mar 26, 2010 | ViewSonic VA902b 19" Monitor

1 Answer

Power light blinks on and off and screen is black no picture


good day, you may have a faulty monitor or a faulty videocard, have this checked. hope this helps, have a nice day

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Elonex webbook displays anything black as red


You could have a faulty inverter or a CCFL lamp, To determine if you have a LCD screen, inverter or video card problem, read this and follow these instructions.
Defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp.
Connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out
www.lcdparts.net
for parts, repair service and DIY info.

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check for Dry Soulders & FBT....

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1 Answer

Unclear picture


install your vga driver proper & set the resolution of ur monitor

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