Question about RCA R52WH73 Projection Television

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RCA Projection TV Model #p46921, Has bowing effect of pictures

The tv has bowing effect of pictures, at top and bottom of screen with shadowing of colours ( red, green, blue)

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  • Anonymous Feb 02, 2009

    after first turning tv on 5min. after, picture will bow with 3d effect's/than go away after about 20min.

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  • RCA Master
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Go to Menu then setup look for convergence if you do not see convergence on menu then you have a open FUSE FL231 it is on right side of FBT flyback transfomer there is 3 of them small brown rectrangler looking caps it will be the one in the Middle.

Posted on Feb 19, 2009

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Posted on Jan 02, 2017

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2 Answers

Help with RCA projection TV P46812BL (chasis ptk195AA)


You have probably blown one of the convergence ICs. Effectively the easiest thing to do is replacing the whole convergence board, so that no soldering is involved.

Here you can buy a replacement convergence board, just select your model.

Let me know if you need further help.

Sep 13, 2008 | RCA P52930BL 52" Rear Projection...

Tip

Good day!!!I i had problems with the fl 231 fuse on my RCA D52W23 proj.tv....i...


FL231. FUSE.... The RCA ITC222 chasis has a common problem. and it not all that difficult to repair. Does your rca projection tv have read blue and green shadows? Does it have bowing in affect on the top and bottom of picture? when you turn it on does some thin red green and blue line bow in from the top then go away. The main question to determine if you have the fl231 fuse problem is if you go into customer menu then setup do you have the "CONVERGENCE' option. If you do not. then i suspect you have this problem. In the manufactering of these sets Lead free solder is used. now there is great debate over the use of lead free. connection tend to be more brittle. cracks develop around the solder connections of the high voltage flyback transformer. this very small crack set up oscillations in the cuicit with a 400 milliamp fuse. THis fuse cant take it. When this fuse blows the processor then does not know its a projection tv with three projection tubes. it thinks its a crt tube tv. and crt tube tv dont need "convergence" so it removes the convergence from the set.

TO REPAIR... 1. Warning. this set can generate leathal dangerous voltages even unplug do not attempt if you have no experence with electronics.
2. Remove the back. there a number of torx 20 screws.
3. what you will see is a number of circit boards There will be one on the right and one on the left. the one on the right is the small signal board. the one on the left is called the power deflection board. it has a large black part with a big red or black wire coming from the top, this is the flyback.Next to the flyback on the right of it there will be three small rectangular componets tan or brown in color. these are fuses. the one in the middle is the fl231 fuse.
4. getting to this fuse can be difficult. these two cuicit boards sit on a tray that is removable. to remove this tray it is pulled out and up. BUt watch the wires.loosen the wire tyes.
5 when you get the tray up the bottom side of the board can be accessed
you will now have to unsolder that fuse. one side of this fuse is under a plastic part of the tray. i have found the easest way is to cut away the plastic to get to it. if you dont want to do this you will have to remove the board. only remove half of the plastic brace
6. REPLACE FUSE RCA PART 259213
7 RESOLDER FLYBACK CONNECTIONS simply heat up and add a little solder
8 reassemble set. make sure you examine the set for loose connections.
9 and remember "BE Careful'

on Jan 14, 2009 | RCA R52WH73 Projection Television

1 Answer

Ws55809 tv picture bows at top and bottom. Also has shadows. Is it the bulb and where do I get one.


You have a convergence problem. The 3 picture tubes are fine. The small signal module needs reworked. The board with all the rca jacks.

Nov 29, 2009 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

SONY PROJECTION TV MODEL # KP-51WS510.


If the entire screen is curved, and it is not taking the whole screen, then you have a vertical deflection problem.

If the colors are double and do not match, with lines of different colors around pictures , then you have a convergence problem, often caused by a faulty convergence board.

The curving effect can be a side effect of bad convergence, or you may have both problems at once.

Unless you are a TV repairer yourself, better calling technical support. Usually you can ring the number listed on the owner manual.

Jul 21, 2009 | RCA P52920BL 52" Rear Projection...

1 Answer

GE 52 " rearprojection flat screen picture bowing 3d effect


Thats usually a very easy repair by replacing FL231, DL231 and CL230 total parts are about 11.00 at the following link and they provide free instructions. The components are all listed under RCA parts category.
http://servicemanuals.vstore.ca/

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1 Answer

I have a 53 in. sony projection tv,. bowed picture tubes?!?


Replace Both STK convergence ICs will have part number on them STK392-560 use same part number on your STKs. Also around ICs ck pico fuses 5/6amps they are green or yellow.

Jan 07, 2009 | RCA P56930BL 56" Rear Projection...

1 Answer

RCA Projection TV model #p61926


The convergence circuit is your problem and most times with this model the convergence power supply bd. is the problem.

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2 Answers

HD52W59 bowed picture


Check your screen. I have the same problem with mine. If the screen has a ripple in it, it could give the same effect.

Dec 15, 2007 | RCA HD52W59 HDTV Projection Television

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RCA Projection TV model #p61926


get an estimate to fix your convergence problem

Oct 08, 2007 | RCA P52937 52" Rear Projection Television

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