Question about RCA HD52W59 HDTV Projection Television

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RCA HD52W59 Convergence issues after some repairs.

I am having the convergence issues thatmany have been having. I have replaced the FL231 fuse by soldering a 0.5 amp slow blow fuse into place. I have had trouble finding an exact replacement for it. I do this by soldering pigtails onto the fuse and then soldering it onto the board, This works for about 12 hours and then goes out again. Right before the fuse blows I lose the sound and the picture for about five seconds. When the picture comes back the convergence is gone. I don't believe it is the convergence board because I lose sound before the fuse blows. Could it be the power supply? Why is only the convergence fuse blowing if it is the power supply? What should I look at next?

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Hello rmolen,

This is an indication that the convergence amps are drawing too much current which has an effect on the power supply and thus killing your sound by removing or lowering the voltage supplied to that stage, finally this results in the blowing of the fuse. I would suggest that you change the convergence amplifiers and the biasing resistors (All of them) and then see if this corrects your problem (I believe it will). Also get a schematic of the TV and try to find out how the power supply relates the sound module and the convergence module, they might share a common power bus, or the voltage regulator for the sound also feeds the convergence board.

I hope this helps,

Thank you,

Shuttle83

Posted on Jul 19, 2008

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Did you resolder the flyback connections. The main reason the fl231 fuse blows is do to the brittle solder connections that come with LEAD free solder techniques used by manufactures. The Itc222 uses a series of convergence transistors not amplifers. The loss of sound is common before this fuse blows.

Posted on Nov 25, 2008

  • Willie Howell Nov 25, 2008

    consult "the fl231 problem" under tips and tricks section

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1 Answer

WERE CAN I BUY AND HOW MUCH IS A FL231 FUSE FOR RCA HD52W59


If you replace just the fl231 it will blow again. You will need to replace the FL231,DL231 and CP230. You can get the parts at the following link with free instructions with pictures total cost is about 26.00. Its listed under the RCA repair kits as the ITC222 & ITC222A convergence option missing repair kit. Its available at www.tvrepairworld.com

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If your looking in the rear of the set on the far left side you will see a large black HV transformer that has a large red wire coming from its top. Thats the flyback transformer look directly to the right of that and you will see three small brown rectangles with FL221, FL231 and FL251 stamped on it. The center one is FL231 if thats blown the set will have a 3D look and the auto convergence feature will no longer be listed under the setup menu.

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The tv is have a problems call convergence,it dead.U have all the tools like soldering iron,solder and desoldering pump.Know basic soldering?The convergence fuses FL231 three of them on the right side of FBT,a big block of plastic of a flyback transformer.Resoder the FBT,replaced the convergence fuse FL231 in the middle.The Ebay.com sell the convergence fuse.

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When you say replaced the convergence twice, are you refering to the convergence boards or the FL231 fuse? If its the FL231 fuse unless you replaced the DL231 and CL230 plus reflowed the solder on the flyback it will continue to keep blowing untill the 3 parts are replaced together and the flyback gets resoldered. If you replaced the convergence boards then try resoldering the flyback.

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If you replace just the fl231 it will blow again. You will need to replace the FL231,DL231 and CP230. You can get the parts at the following link with free instructions with pictures total cost is about 12.00 shipping is free. the parts are all listed under the RCA parts category.
http://servicemanuals.vstore.ca/

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What did you put in. convergence amp or convergence power. this is a rca hd52w59? i always ask the question in customer menu under setup can you see the option of convergence. if not this is the fl231 fuse problem. consult the article fl231 under tips and tricks section of my profile. the curved picture is an indication complete loss of convergence power. there is a board that does provide convergece power. The convergence on this set is controled by three diffrent boards. power,amp and the small signal board. the small signal board is the most expensive and most complicated to replace ussally a tech has to replace that.

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ok first lets determine if the fuse is the poblem. do you have convergence option in the setup in customer menu. if you do then it will not be the fuse. if you have that option go into blue and red convergence. when you arrow over left or right up and down do the cross hairs move if they dont then it will be the power board(convergence)

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1 Answer

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yes, thats the replacement fuse for your set. However unless you have replaced the convergence power supply also chances are the fuse will blow again, as the power supply shorting is what causes the convergence to get out of alignment and it will then blow FL231 thereby removing the convergence option from the menu.

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