Question about Zenith R56W36 56" Rear Projection Television

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Zenith r56w36 hi, i put in two new stacks.the original problem seems to be gone.now my whole screen seems to be out of alignment.i ran the auto convergence several times,with same result.it does go all the way through .it did not finish before. also the picture looks bent in some areas.my dad said i need a tech to line it up.i do not believe this.i think something else is wrong.the picture used to align itself before all except red,at the bottom it used to have the 3d effect i experienced now all over screen.the bends were there before.any ideas?

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  • Charles Stillwell
    Charles Stillwell Jun 26, 2008

    oh i found some resistors were high but i dont know what there supposed to be.i sould really only test the ones that there were others like it to match it against they were all good.where can i get a service manual and how can i find out what the resistors are supposed to be?

  • Charles Stillwell
    Charles Stillwell Jul 08, 2008

    i checked the resistors i found one with no reading at all.could this be it?
    i tested all the large resistors on the board this was only bad rewsistor.do i need to test all the little tiny ones as well?


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  • Zenith Master
  • 8,617 Answers

If you replaced the convergence ICs did you check the convergence resistors as well, as often the old ICs will take out a few resistors in the Convergence feed circuits or at least increase their values and that can give those symptoms youre describing after new ICs are instaleed.

Posted on Jun 26, 2008

  • Sonny Berry
    Sonny Berry Jun 26, 2008

    I dont have the service manual for that model however if you read the color bands off the resistors I can tell you the ratings. they have to be within 5% tolerance for convergence citcuits. Also they have to be checked with one side of each resistor unsolderd and lifted out of circuits or else a open resistor will test good due to the resistance in the circuit.

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SOURCE: my broken but loved big screen zenith projection television r56w36

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Posted on Jul 27, 2009

Sparko1
  • 167 Answers

SOURCE: Zenith R56W36 Image in 3D

This needs a special remote to get to the factory alignment screen.This is the part # for the remote ---#105-201m .
You really should call a good TV Tech on this one. They are a convergence nightmare for even a good Tech.

Posted on Jul 31, 2009

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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1 Answer

Hit the auto button on convergen and now colors are all dis aligned on screen


abrambila200,

One of two things is happening here.

Either the convergence circuitry is bad or one of the sensors in the screen is bad. I would try to auto align several times and note what the unit does. If it is consistent and will not align then I would replace the digital convergence box.

I have a tip at http://www.fixya.com/support/r4273935-replace_digital_convergence_box which will walk you through the process as well as tell you where to get the parts at the best price.

Thanks for using FixYa and for the generous rating.

hardrocko

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now its upon you to go for new or get it repaIRED.
i will suggest you to go to repair center and get it repaired as this problem is faced by many users and it is completely repaired.

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This needs a special remote to get to the factory alignment screen.This is the part # for the remote ---#105-201m .
You really should call a good TV Tech on this one. They are a convergence nightmare for even a good Tech.

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My picture was fine but I had just got cable and wanted to make sure the picture was right. So I hit the auto convergence and now I have a 3 D look. I have never had any problems prior to this. What can I do? and what was is the problem? Thanks

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Hi, you can order it here www.partstore.com or 1-866-925-7278 be prepared they are not cheap, if you do this yourself make SURE you mark ALL of your plugs as you pull them from the old board if you put a plug in the wrong place you can destroy the new board and they will NOT take it back once you purchase it, good luck , BMW Rider

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