RCA D52W23 52" HDTV CRT TV Logo

Question about RCA D52W23 52" HDTV CRT TV

1 Answer

The convergance menue is gone. I need to adjust the convergance badly but it is no longer in the menu

Posted by jackmiller80 on

  • jackmiller80 Oct 16, 2009

    where do i find the flyback transformer and fuse fl221??

  • jackmiller80 Oct 16, 2009

    where do i find the flyback transformer and fuse fl221??

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1 Answer

Anonymous

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  • 11 Answers

You need to resolder the flyback transformer and replace fuse FL221 off pin 11 of the flyback transformer. The convergence power supply is not coming on so system control thinks a convergence circuit is not installed.

Posted on Oct 16, 2009

  • Anonymous Oct 17, 2009

    Remove the back cover. When looking from the rear of unit the printed circuit board lying flat on the left is the large signal or power supply/sweep board. The flyback transformer is at the left rear corner. A thick red high voltage wire and a thinner black focus wire come out of the top of it. You need to unclip wiring and maybe remove wiring holders. Pull PCB holder back and lift it out of its mounting rails to give clearance. disconnect either end of two white ribbon cables connecting the 2 flat boards. Be careful with these. It's easy to tear the conductors loose when you plug them back in. If that happens they must be replaced. Push up on the sweep board while releasing the plastic clips holding it to the carrier. 2 of the clips are inboard front and rear. raise the outer edge of the board to gain access to the bottom of it. FL221 is 1 of 3 red rectangular near the right rear corner (looking from the back) of the flyback transformer. FL221 is the middle one. Also check electrolytic capacitors on this board for swelling on their top and possible venting of electrolyte. (Another common fault of these chassis that will keep it from starting up.)

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