Question about RCA HD52W66 Projection Television

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Off air digital signal

Digital channels come and go for no aparent reason. One day I will have 16 off air digital channels that the auto channel search finds and saves. While tv is on it never loses signal but for some reason, when the tv is turned off for the night it loses the digital channels. The next day and sometimes two or three days after the auto channel search won't find any channels. I will keep trying, and eventually they come in again, till the next time the tv is turned off again. I'm thinking it's the tuner box that is malfunctioning for some reason.

any suggestions,

thanks, Ron

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  • Mailloux Feb 28, 2008

    tv is an rca hd52w66, antenna is amplified in the attic and yes it does retain the channel line up but when you go to them they are not there.

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What brand of tv is it ? You could have a bad tuner or a change in the voltage supply line feeding the tuner . What type of antenna do you have ? outdoor or rabbit ears ? Also does it retain the channel line up or does it clear them as well ?

Posted on Feb 27, 2008

  • Louis faenzi Feb 28, 2008

    If your TV is still under warranty i suggest you get it serviced as these models are still being sold . If not easiest thing is to make sure your antenna is working properly . If you have a pair of rabbit ear antenna hook it up to the digital input and go to the strongest channel in your area. See if it comes in . It would be great if they are amplifed rabbit ears as they work best. If this does not help and your TV is out of warranty and you have a meter to check voltages check the 33volt line supplying the tuner. If it is missing check RP117 to see if it is opened. It is a 4.7k @ 1/2 wt. This is a hard module to repair . Most often people just replace the SSB board. RCA currently has these on backorder. If it under warranty a service center can help you get it repaired or replaced if the delays will take to long. Now if it under warranty don't try to repair as this can void your warranty. Hopefully you just have a bad antenna . Sometimes the little amplifer box goes bad on these antenna's . Goog luck !

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