Question about Optoma PD50 50 in. HD-Ready Plasma Television

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After setup there is no picture just the sound plays

Once we hooked up the tv the screen was black but the sound plays.
it says looking for signal goes blue and then black.

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  • Optoma Master
  • 8,457 Answers

Tries unplug the tv and the cable box about an hour,replug both back in.The cable box,will upgraded it software and the tv will reset itself back to factory setting.Every things should work now.Not,than the tv Tuner board,it dead,that board,that take in the incommimg broscasting signal cable to the tv.

Posted on Aug 02, 2010

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Posted on Jan 02, 2017

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Hook a DVD to one of the rear sets of audio/video jacks--go to that input and verify it works.

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If the set works with DVD and not DIRECT TV it is not smart enough to know what is hooked to it.

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Also check that you haven't hooked up the video to the tv's output. Some sets output audio and/or video for external devices such as recording setups or home theater sound systems.

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If it's a setting on the PS3 then just hook it up to another T.V. set it back to default and hook it back up to your other T.V.

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It sounds like the video signal is being routed to a different out put. Search the menu for "Source" kinds of settings. Often you will have Vid 1 and 2 and maybe HDMI 1 &2 etc. Try what looks right and keep trying all combinations (usually less than 6). Take your time, it often takes them numerous seconds to recognize the signal. The fact you see the settings means the Video is working if it just had the signal. Also, if there is any wiring involved, check the cables and maybe swap them for known good ones if possible.

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