TV/VCR/Stereo Troubleshooting/rca lcd tv

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Question
i have a rca lcd tv, 46" screen, model #L46WD22YX5, this tv was working pefectly, we watched a dvd, after the movie we changed the channel, all that was displayed was unusable signal, we have watched many movies with no problem, all the settings remain the same as before, i have no clue, please help, thanks

Answer
If you go back to watching the movie is the picture good?

If it is just when tuned to a tv channel it is a problem with the front end circuits of the tv.

If the picture is bad with either tv or video input then the display circuits or color engine is bad.  Which is very expensive to repair.

If you have a digital camera send me what the picture looks like so I can give you a better answer.  And tell me if picture is bad when only watching tv.

cleggsan#ieee.org  

TV/VCR/Stereo Troubleshooting

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cleggsan

Expertise

Consumer Electronics of all kinds. Audio, esoteric audio systems and components, video, tv. Digital equipment for consumer use. Ham radio and automotive electronics. Note: I give advice on tv repair based on general consumer electronics engineering experience but I am not engaged in actual repair of sets. MAKE SURE YOU GIVE THE MAKE AND MODEL NUMBER AND AGE OF THE SET. BE SURE TO CHECK YOUR EMAIL FOR THE RETURN ANSWER DURING THE NEXT 24 HOURS AS I TRY TO REPLY TO ALL QUESTIONS WITHIN THE SAME DAY IF NOT THE SAME HOUR.

Experience

Electrical Engineering; recording, broadcasting, design, international standards, tv and radio theory and practice.

Organizations
FELLOW of AES (Audio Engineering Society)
Senior Life Member of IEEE (Institute of Electronic and Electrical Engineers)
International Consulting Organization


Publications
IEEE Spectrum
Various Consumer Electronic publications

Education/Credentials
BSEE
MSCS
MBA

Awards and Honors
Famous Engineer for Digital Audio

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