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The part that sticks out of the back of the tv that you attach your cable to is missing on my Sharp tv...can I replace this part easily so I can use it again?

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  • hrachaelh74 Sep 01, 2008

    Thanks so much...how much does a soldering tool run and do I have to take the back of the tv off to do this?

  • hrachaelh74 Sep 01, 2008

    I have the little red, yellow and white circles on the back of the tv and the front and I have a digital (dvr) box from Comcast. Is there a way to rehook everything without doing the above? Thanks!

  • hrachaelh74 Sep 01, 2008

    I don't have the remote for the tv...guess I should get a universal before trying this?

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Good Day, hrachaelh74;
Yes you can do this the part is called 'RF CONNECTOR'. Can purchase any radio shack or electronic store/service center. Just make sure you a good soldering tool.Good Luck, big IRISH.

Posted on Sep 01, 2008

  • 1 more comment 
  • MICHAEL MULLINS Sep 01, 2008

    Good Day, hrachaelh74;

    Yes, you will have to remove the back of the TV. Make sure the TV is unplugged from the A/C outlet. You may have to remove the device that the RF is connected to. BUT if you have video inputs on the TV use that option. It will safe you all this concern. Do you.... have a box? Let me know, Good Night, big IRISH.

  • MICHAEL MULLINS Sep 01, 2008

    Good Day, hrachaelh;

    Yes, those little circles of colors are video inputs for the TV and the 'color circles' on the BOX are outputs. So, get a set of cables, red, white and yellow, you probably have some from a VCR or DVD player, connect cables from BOX to TV, keeping the colors matched up. Now use the TV's remote, not the Comcast remote, and look for an input button on the remote> push it until picture from BOX appears. Each company has different names for input some say video, input, etc.



    Good Luck, big IRISH.

  • MICHAEL MULLINS Sep 02, 2008

    Good Day, rachael;

    Your TV's front panel buttons may have same buttons of concern, look for same. good Luck, big IRISH.

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I posted this in an eariler solution, however it fits in this case, so here it is:

This denotes a convergence problem. Believe it or not it would be cheaper for you to replace the two convergence amplifiers and the biasing resistors. You would not actually be replacing the convergence board since these devices are usually located on the deflection board in most cases. However in answer to your question, the boards are easily removed, depending on your level of patience (lots of cables to move around), I would also advise you to either mark down all of the connection you will remove, or take pictures of the board and its connectors. If you choose to just replace the Amplifiers and the biasing resistors there is a lot of information on this site on how to do so: This will get you started:

1) Unplug the TV and then get a schematic of the TV I use http://www.servicemanuals.net or http://www.manualsparadise.com
2) On the schematic locate the STK392-xxx series IC packs (usually attached to a large heat sink)
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4) if the STK392-xxx's are 110s replace with 110s (forget that upgrade stuff it is a hit or miss game that I don't believe you want to get into), if they are 120s replace with 120s and so on.
5)Now to replace the STKs: remove the module from the TV and unsolder theold STKs along with the bias resistors, and replace them with the newones (be sure to apply heat sink paste to the STKs when attaching them to the heatsink)
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I hope this helps

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http://www.electron-age-technologies-llc.com

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Hello angy_rodigu,

I posted this in an eariler solution and there are many references to your type of problem on Fixya.com, however it fits in this case, so here it is:

This denotes a convergence problem. Believe it or not it would be cheaper for you to replace the two convergence amplifiers and the biasing resistors. You would not actually be replacing the convergence board since these devices are usually located on the deflection board in most cases. However in answer to your question, the boards are easily removed, depending on your level of patience (lots of cables to move around), I would also advise you to either mark down all of the connection you will remove, or take pictures of the board and its connectors. If you choose to just replace the Amplifiers and the biasing resistors there is a lot of information on this site on how to do so: This will get you started:

1) Unplug the TV and then get a schematic of the TV I use http://www.servicemanuals.net or http://www.manualsparadise.com
2) On the schematic locate the STK392-xxx series IC packs (usually attached to a large heat sink)
3) determine if the STK392s are 110, 120 or 150.
4) if the STK392-xxx's are 110s replace with 110s (forget that upgrade stuff it is a hit or miss game that I don't believe you want to get into), if they are 120s replace with 120s and so on.
5)Now to replace the STKs: remove the module from the TV and unsolder theold STKs along with the bias resistors, and replace them with the newones (be sure to apply heat sink paste to the STKs when attaching them to the heatsink)
6) make sure there are no short circuits form your soldering job.
7) Reinstall the module and then turn on the TV.
8) do manual adjustment and the auto-convergence test and then things should be back to normal.


I hope this helps

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Hello justright197,

I posted this in an eariler solution and there are numerous references to this type of problem on fixya.com, however it fits in this case, so here it is:

This denotes a convergence problem. Believe it or not it would be cheaper for you to replace the two convergence amplifiers and the biasing resistors. You would not actually be replacing the convergence board since these devices are usually located on the deflection board in most cases. However in answer to your question, the boards are easily removed, depending on your level of patience (lots of cables to move around), I would also advise you to either mark down all of the connection you will remove, or take pictures of the board and its connectors. If you choose to just replace the Amplifiers and the biasing resistors there is a lot of information on this site on how to do so: This will get you started:

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2) On the schematic locate the STK392-xxx series IC packs (usually attached to a large heat sink)
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I hope this helps

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Hello tonyotteson,

I posted this in an eariler solution and there are numerous references to this type of problem on fixya.com, however it fits in this case, so here it is:

This denotes a convergence problem. Believe it or not it would be cheaper for you to replace the two convergence amplifiers and the biasing resistors. You would not actually be replacing the convergence board since these devices are usually located on the deflection board in most cases. However in answer to your question, the boards are easily removed, depending on your level of patience (lots of cables to move around), I would also advise you to either mark down all of the connection you will remove, or take pictures of the board and its connectors. If you choose to just replace the Amplifiers and the biasing resistors there is a lot of information on this site on how to do so: This will get you started:

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5)Now to replace the STKs: remove the module from the TV and unsolder theold STKs along with the bias resistors, and replace them with the newones (be sure to apply heat sink paste to the STKs when attaching them to the heatsink)
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7) Reinstall the module and then turn on the TV.
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I hope this helps

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6070c10.jpg

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