Question about RCA 20V500T 20" TV

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My RCA 20V500T turns itself on and off. I heard it might be a cold solder joint. If so where would it be?

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alexander koshy

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The dry solder might be in horizontal section

Check the out put transistor pins / Driver cct. / FBT pins.

Posted on Jun 03, 2011

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I have an RCA tv 21in truflat model number 20f514td. It's about 2 years old. About a month ago it started randomly turning itself on and off. It stopped for awhile then started up again, and now won't stay...


RCA is notorious for bad solder joints. If you are able, pull the back off, remove the main PCB from the bracket and flip it over. (ps: sorry, Unplug the TV!) Inspect as much of the solder connections as you can, reflow any cold, thin, or cracked looking joints you find. Many RCA TVs have been repaired by just this simple method. If you are not able or confident enough to do this, contact a local repair shop for service.

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Dec 23, 2009 | RCA Televison & Video

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I have an RCA Truflat that began turning itself off today. Sometimes it will last 20 minutes, sometimes a few seconds. I'm broke..no way can I get it repaired..any ideas as to what's going on?


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Seems TV has dry/ cold solder joints (loos connections) in convergence out section.
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BAD SOLDER JOINTS ON FLYBACK TRANSFORMER,RESOLDER FLYBACK,IT FIX MY PROBLEM

Aug 25, 2008 | RCA 20V500T 20" TV

1 Answer

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CHECK VALUE OF RESISTORS IN CRT BOARD,,,,AND THE 3 TRANSISTORS COLOR DRIVERS ....THATS AUTO SHUT DOWN FOR OVER VOLTAGE....DO YOU SEE RETRACE LINES BEFORE SHUTDOWN?IF YES TRY TO LOWER DOWN SCREEN FIRST ON THE FLYBACK TO SEE IF ITS GOING TO SHUTDOWN.....

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I've heard this is could be a cold solder joint and am looking for advice on which IC to re-solder. 1 whatever you have heard is correct as whenever you smacked the lelt side it works fine. 2 you will have to check loose contact in vertical section. your vertical ic might be located at the left side of the tv. 3 check any connector is loose near vertival section. 4 any preset is loose in vertical section. it is a simple problem if you are not technical person please get it done by tech person. as your tv is old & if it is done by tech person tell him to replace all elrctrolytic capacitors in vertical section. good luck.

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1 Answer

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Try , Horizontal or Vertical output.

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