TV Repair Questions? Ask a TV Technician
No when screen goes black it will not respond to any thing but it will respond before screen goes bla k.
Okay this means that the backlights for the LCD panel are no longer working. The part that controls this is the backlight inverter in the set. Unfortunately there isn't a quick fix for this problem and the TV will require service. Average cost to have the Inverter replaced is around $175 parts and labor on this set. The other possible cause is the power supply output that feeds the inverter (the power supply has several low voltage outputs for the different circuits).Often times one or more capacitors on the power supply will drift out of spec and can cause the problems you're having. Average cost to replace the supply is $150 parts and labor.If you'd like you can use the link below to locate a Tech in your area:
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Why is it that I can clearly see the picture for the first 4 seconds or so.