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LED computer monitor with no display repaired. Model: Viewpoint VP228CV

By on May 1, 2014









A friend of mine who works in stone carvings brought this LED computer monitor to my shop and explained that it does not show anydisplay on screen. While the customer waited in my shop, I powered it up and sure enough, there was no display.

led monitor repair

This is kind of strange because it did not say on the label that it is LED computer screen. I had to open it to find out.

I took all the screws off so I can access the inside board and get them fixed and that was a mistake. Let me explain.


Do not take these screws off. These screws are holding a metal piece from the inside of thecomputer monitor. I almost broke the computer panel because of this loose piece of metal. If you decided to take these screws of, just be careful when doing it. The rest of the screws are ok to take out. You will be able to open the screen with these screws still attached.

led monitor repairs

This is the inside of a LED computer monitor.



As you can see, there is no inverter board there and no back lights sockets either.


This is the actual LED panel of this computer monitor.

led monitor repairing

This is a close up of where the LEDS get their power to come on. As you can see, it is different but it is still, it can be repaired.

led monitor repairings

Here is the main board of this computer monitor. The power board was right next to it, just like any other computer monitor.

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Here is the power board and you can see the socket that feeds the power to the LED lights. The moment I took this board off and looked to the other side of it, this is what I saw.

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Do you see the problem? It is very clear and it was easy to repair.

led monitorrepairs

Here is a close look of the bad bulged capacitor that was causing the computer screen not show any display. It was 1000uf/25 volts. I checked other bad capacitors with ESR meter and all checked fine. I replaced this bad capacitor with a new one and here is the result.


A nice display of an awesome web site came on. I let it run for about an hour or so and everything checked fine.

Mission Accomplished 





This article was prepared for you by Waleed Rishmawi, one of our ‘Master Authors’ and currently working in the Bethlehem area of Palestine repairing electrical and electronic equipment.


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