Question about RCA P46810LV 46" Rear Projection Television

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RCA P46770CK The picture is bowing from the bottom up. Is this a convergence issue or something else, if its the convergence power supply what is the correct part number?

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Re: RCA P46770CK

Check Cr4503 in the vertical circuit for short or leaking. The convergence circuit is most likely fine. Also check for any leaky electrolytic caps in the 500 block. (example) CR4503 will be printed on the PCB as CR503. The vertical circuit is located in the center of the chassis behind the big aluminum heat sink.

Posted on Nov 02, 2007

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I have a RCA Rear projection TV and the picture on it looks like a bow tie

This problems u have is known as Convergence problems,it dead.The tv convergence board require changes 2 STK convergence ICS and some or all it resistors to solved the convergence problems.The shop will cost u $300-$350 for parts and labors.

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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.

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The convergence power supply board is usually the cause of that problem. You can get the replacement Convergence power supply board from

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Hi i have a RCA P52937SG with the bowing of the screen

The problem may still be on the power supply board (one of the supplies may be missing and) when you unplug the supply both supplies go missing check the supply voltages and repost

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Convergence Power supply board. In the television above the cuircit boards there are two curcit boards that sort of hang above. the one on the right is the convergence amplifer board(has metal fin like heat sinks).. The one on the left is the convergence power board. Since you have options and no control, bowing picture. this would be my first choice. Now it still may have convergence amplier trouble. To get these boards you will have to get the entire model with suffix ext. it will be like d52w20...yx1 yx2 or something like that. in small leter on the model sticker on back

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ok go into setup menu.... go to convergence.. try to adjust convergence .. does the crosshair move up and down side to side... if not then you might hqve q poblem with convergence power supply if they move then u might have s setup issue

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No adjustment will fix this, what has happened is a power supply board for the convergance has failed and needs to be replaced or repaired

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If the convergence is missing in the menu in screens,you have a bad reg ic on the convergence power supply the part number is 215530,the power supply is located on the black plastic above the right module with all the heat sinks

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The issue is the Deflection board. The Fl1231 is open. The Deflection board needs replaced

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1 Answer

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This set might have a convergence power supply that could be out, might have another issue, I suspect something in the power supply on these.

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