Post at least the chassis (CTC) number, we surmise you may have one of the
sets with the notorious on board tuner that requires service but can not be
sure without the chassis number, or the model number.
"Barry S." wrote in message
...
My RCA TV appears to have "lost" some channels.

Most channels are OK. Cable Channels 48, 49, 50 are wiped out.
Channel 65/66 experiences intereference from over the air channel 14..
Other channels that I know I should get seem to be ok, including those
that might be effected by other OTA channels. RCA input video is ok
so I surmise it's an RF problem.

Here is the RF section:

http://www.mailsack.org/tvrf.jpg

Is there a way to open it, service it, replace (guess I could desolder
it), tune it, etc?

Thanks!

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N37.3 W122.0