Question about LG Televison & Video
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Posted on Jan 02, 2017
you won't find any just ,
use a thermal probe or thermal gun as heat is likely the issue ,
if nothing else replace the main diode /rectifier and caps.
I find that if I replace the hottest items that usually the fix
if there is room for a small fan you will be doing them a great service and extend the life of the tv.
you may find some info on the power supply from one of these links they are generic enough
Posted on Jun 10, 2008
I too had this problem. I read some posts on this site about how to repair it, and low behold, they worked! I took the back off of the TV, and the first thing I found was the fuse was blown. With my meter, I checked the first 1N5406 rectifier diode after the fuse, and found that it had shorted out. Then I had to learn to desolder the diode, which I learned about on Youtube. I bought a pair replacement diodes at Radioshack for $1.49 and four replacement 125 volt 4 amp fuses. The whole repair cost about $5.00 and a few hours about learning about electronics. The TV works great! Good times!
Posted on Apr 08, 2009
I just fixed a neighbor's by replacing the 2200MFD capacitor on the power supply board. Thanks for the help, worked great. If you replace it got for a 16V instead of the 10V and hopefully it won't fail that way again.
Just be careful and take notes when you're digging into it. And mark exactly where the card cage is before taking it loose.
Posted on Sep 19, 2009
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