Question about Medion MD 7317 17" Flat Panel LCD Monitor
MY MONITOR MAKES A NOISE AND HAS A FUZZY SCREEN. i JUSTED UNPLUGGED FROM ONE ROOM AND MOVED TO ANOTHER ROOM. NOT SURE WHAT HAPPENED.
I have some 19 inch medion monitors that have the same problem .. they make a lot of noise and the screen might be jittery/fuzzy ... i found the following:
several capacitors in the power supply (inside the monitor) had their tops buldging .. that shows that internal pressure was high in the caps, usually caused by them being hot and thats caused by high internal leakage .. the caps may eventually blow out the tops (explosion vents) .. the caps are designed to do that instead of becoming a bomb ..
all the bad electrolytic capacitors i have seen so far on these monitors, motherboards and other electronics have been chinese made .. they made millions of bad caps over several years ..
almost all the bad caps had buldged tops but not always .. once in a while i see one thats open but not bulbged .. probably venting elsware ..
i changed the obviously bad caps and the monitors returned to like new performance ..
i dont know about the 17 inch but the 19 inch medion flat pro display is not too hard to take apart .. about 30 screws or so ... speakers have to be unscrewed and you have to be careful not to stress cables that go to the push buttons .. of course you have to know how to solder without bridging paths
Posted on Sep 29, 2008
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Posted on Jan 02, 2017
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