Question about LG LST-3510A DVD Player/Receiver
I have had my unit 3 years. It has run pretty good. Today it stopped reading disks. I opened it up to clean it off and found no buildup at all. However, it appears that the black plastic cover over the laser has an irregular opening. I am thinking it should be round and it is not. I also have noted that the surface of lens is a little cloudy. Any suggestions. I am pretty good on electronics, but I do not know if I need to replace the whole laser or just the lens. And what are the issues in doing so. Any help would be appreciated. LPOp1234
Yes you will have to replace the whole assembly, but before doing so, try to clean it (the lens) first with a dry clean soft cotton swab or buds. do not put any cleaning agent on it. you may use also a compressed air (duster) to blow accumulated dust iside the assembly. sometimes the mirror (reflecting mirror) under the lens which directing the lazer is also dirty that needs to be clean and the only way to reach it is by means of that duster. good luck!
Posted on Feb 26, 2007
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Over time dust and stuff can accumulate on the lasers that read the discs. You should try a dvd laser cleaner (its different then the disc cleaner you might purchase for a cd player). Its a disc that has a little brush on it. You insert it into the DVD player, you may need to run it 2 or 3 times, but when you use it, the little brush will clean the laser off. Another problem could be that sometimes the laser becomes mis-aligned, inhibiting the DVD players ability to read the discs. I would try the laser cleaner first as the only way to get the laser re-aligned is to take it to a service center and get it repaired. Our old PS2 stopped reading discs and my husband actually took the lid off of it and used a q-tip with some of the laser cleaner that comes with the dvd laser cleaner kit to clean the laser off - we're smokers and pet owners and it was just plain disgusting how dirty that little laser got! After that it ran fine and read all the discs that we thought had some how gone bad.
There are other possiblities too such as a bad laser motor, bad spindle motor (although I think this one is unlikely since you can hear it spinning) and other circuit related issues that can be causing your bad disc error. However these things would need to be diagnosed by an authorized service center.
I would say that as a general rule of thumb, if the cost of repairing exceeds 2/3 of the cost of a new unit, I would just buy a new one.
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