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Samsung LNT4071F Support Question

Samsung LNT4071F Support Question

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Question posted by mattwinner01 on April 5th, 2012

Lnt4071fx/xaa Version 5q01 Screen Fading Issue

When I power the tv on the set comes on and the screen fades in and out for the first 15 minutes until it is warmed up.  Once warm I can turn the unit off and on and the problem is not there.  If I let the unit sit for a while and turn on again it happens again.  The problem has slowly been getting worse.  What is tne most likely part that I can install to fix the problem?

Current Answers

Answer #1: Posted by TVDan on April 5th, 2012 6:22 PM
This answer was accepted by the poster of the original question.
TVDan

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remove the back and check for capacitors on the power supply that has the top puffed up slightly. If you find any, replace them. These parts (capacitors) are available at places like Radio Shack. you can either replace them yourself, or take the power supply board and the capacitors to a local TV shop and they will likely charge $20 to replace them for you. The power supply is the module that the AC cord plugs into, and the value of the capacitors is printed on the side. Normally the bad ones are rated at 10vdc-16vdc and they could be 1000 to 2200 microfarads. These capacitors will look like a cylinder with a silver top. Google bad capacitors on LCD HDTV and you will see mass data.

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