Question about Samsung LE40R73BD 40 in. HD-Ready LCD Television
You should try this way. Unplug the box and replace by DVD player or others with HDMI output and turn/on off to see the TV keeps changing HDMI sources or not. If it is changed, you have to call service to replace the main board. Else, your TV works well.
Posted on Nov 12, 2009
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Posted on Jan 02, 2017
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