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LG LN5100 50" LED TV 1920x1080, 60 Hz, HDTV Questions & Answers
Lg led tv has sound but no picture
Unless you have a friend that fixes these flat screen cheap I would just replace it, I see so many stories about attempted repairs $100's spent and still the TV is not fixed. The new models are cheap and most are better than ever.
The picture on my LED TV went out abruptly and wont come back on. I'm getting sound, but no picture, besides replacing the LED driver/power board (I did), what can be done to fix it?
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
In some models of LCD TVS; the backlight inverter and its T'Con board will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, they can't be replaced. In this case; a panel replacement is the only repair. For some other models, the backlight inverter section circuit will be a part of the main power supply regulator [SMPS]. To such sets, the power supply section circuit too should be troubles hooted. Contact any service technician. The circuit will differ with models and versions.
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