19″ Philips LCD Monitor Repaired
The complaint of the 19” Philips LCD Monitor was display problem. Take a look at the photo below.
You could clearly see all the color distortion in the color bar test. This kind of problem can be caused by bad LCD panel, cables/wires (some use LVDS cable) or the mainboard.
In order to isolate if the LCD panel is good or bad I pressed on the OSD menu. Take a look at the photo below again.
You will notice that the OSD menu is not affected. This means the problem is nothing to do with the LCD panel. If the OSD menu is affected I would suspect a bad LCD panel also. My focus now would be on the cables/wires and the mainboard. Usually I would check on the cable/wires first and if good then I will focus on the mainboard. For your information it is hard to access the cable without removing the metal cover.
Once the metal cover was removed I tried wiggling the cables/wires and to my surprise the display immediately came back to normal. I believe there could be one or two wires that had dried joints/contact problem causing the display problem. If wiggling does not help I would reseat the connector.
Resoldering all the joints at this connector solved the LCD Monitor display problem.
By the way if you want to be an expert in LCD Monitor you can take a look at this website.
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Gurpreet
August 22, 2015 at 3:19 pm
Hello Mr. Yong
Really a good job. Practical speaks rather than words and thanks for sharing it with us.