Question about RCA P52937 52" Rear Projection Television
When the unit is unplugged and replugged, it empties these registers of the corrupt data.
fix is to place a 1mfd capacitor to ground on U13101 pin (15). This
swamps the closed caption data to the micro and stops the reception of
the defective data packet. In the event that later on the resolve the
defective data problem the capacitor can be removed. the close
caption feature will not work with this cap. installed
Posted on Jan 30, 2008
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The buttons on the front of the set fail, (like mine did) even if they never get used. Probably the 'DOWN Volume' in your case is stuck closed. Try pecking on it first. My remote stopped working but so did the manual buttons too. While poking around on stuff I swished my finger across the buttons and it all started working so I knew I was on to something. I never figured out which one was the culprit as it continued to cause problems and was replaced as a complete unit under warranty.
The other quick check/fix is to remove the trim plate around the button plate (pop out stays like the speaker covers) , then remove the button assembly (3 screws plus pop out stays like the speaker covers) then unplug the multi colored lead from the button circuit board. This puts the Remote back in control and it will work just fine like this, minus manual control of course.
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