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I have the same problem with my HP PL4260N 42" Plasma HDTV serial # CNH6141988, model # CPTOH-0602. I have perfect sound and can change channels still with sound but NO PICTURE. I am a consumer with a question that need the advise of an expert.
Most common issue is power supply board fails--Plasma sets do not sell single parts--only a complete board---may need a tech or shop to look and determine what is wrong.
I can suggest things but need to know your skill levels--this is not for everyone....
If it is not a loose connection (internally), it may be most probably related to your picture tube. Check it out and if found faulty get it replaced. If your are in any warranty period (I don't think so since it is 3-5 years old), don't do anything and just inform them, or else you will loose your warranty security.
Join our group. We all have the same problems with this TV. HP sold it with a faulty board. We the consumers are taking action. Contact us at: [email protected]
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