Question about Norcent Technologies PT420 42 in. HDTV Plasma Television
This unit has always been on a surround system and worked fine. I have gone into the sound menu and changed the system to internal speakers. No sound. Have checked to ensure it is not in mute and have also set the volume level to 35, still no sound?
You can go to your menu and select the test tone just to see if your speakers are operational, if not replace the speaker. If you have test tone, then check your input connections. If everything is connected correctly then you need to replace your main board and that should resolve the problem.
Posted on Jun 22, 2009
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Posted on Jan 02, 2017
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