Having problems with your LG L1717S-BN 17" LCD Monitor ?
LG Flatron L1717S Won't Turn On
\015 The screen nearly always wont turn on. I dont even get the green power LED. I opened the screen up, and there are no components inside that are visibly burnt out or anything. I poked around a bit, and then after a while it started turning on when i pressed the power button. I dont know exactly what i did to make it work, but when i assembled the screen again it had reverted back to its old problems. Anyone know what areas are problematic and could be causing this? I am thinking that something has to be loose, or solder cracked\015
Neaverules, The first board you will want to inspect very closely (and I mean very closely) will be the SMPS board. you know the one that has the AC line cord plugged into it. Beg,Borrow,Steal the biggest magnifying glass, or 10x-20x inspection microscope you can get your hands on!!! Here is what you will be looking for. On the bottom side of the circuit board check for bad solder connections over the whole board. look for solder joints that appear to be "frosted" "dull" as opposed to shiney and bright like a sliver ring in the jewelry shop. Next inspect for very fine almost invisible "circular" hairline fractures around the "Through Hole" leads of the larger and heavier components. Then move on to the 1, 2, 3watt resistors checking them also. Pay attention to areas of board that have been discolored. Also check all of the Electrolytic Filter Capacitors. Make sure that the tops are still FLAT. BAD (failed) caps will be swollen on top. ( DOMED). The before mentioned hairline fractures are caused by thermal and /or vibration stress. Get back to me with results. I'm louie12fix on fixya or lmistyrel @aol.com BYE for now.
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