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I have a zenith R56W36. Convergence is bad. I replaced the 2 convergence ic's. I still have bad convergence. Is there a cap or two that maybe the culprit?

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  • Patrick McAlexander May 06, 2010

    Thank you. I wasn't getting -26v. R2095 was open.

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Hi,
Make sure both convergence ICs getting +26V and -26V supplies and if these volts are not available, check in power supply for fuses that might open/ blew off due to old bad ICs.
Hope this info will help you.
Thanks.

Posted on May 05, 2010

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1 Answer

Zenith tv turns itself off after convergence IC were replaced


It will be good to check once again on the work that was done as there is a possibility that the pins are bridged with solder when the rework was done.
So if you are able to use a magnification glass to inspecct it will be good and if so there is also a possibility that the IC was damaged.
Finally int he first place the identification of the fault of the convergence IC must be established with your test other wise a board replacement might confirm.

Oct 16, 2011 | Zenith R56W36 56" Rear Projection...

4 Answers

R56w36 convergence problem. color misaligned. Ghosts.


Dear Sir:

Thank you for contacting fixya.

Please follow the steps below.


green is fixed so you have to move red and blue to green.
by using the remote you may find a simple converge function and open this and using arrow keys move the blue or red first to center of screen, repeat for other color you should see the lines moving toward a a white center point.

if the lines do not move with remote try manual ...menu on the set. if still no movement you have a problem on the convergence board and need a tech to fix.

A service manual will explain complex convergence to the detail .
but this might take hours to get it right.

Please feel free to get back to me If you need any further assistance.
Regards,
Mohammed.

Aug 10, 2008 | Zenith Televison & Video

1 Answer

We moved the TV and it now has color shadows, blue,red and yellwow. It looks llike 3D. In the past I did auto convergance and it fixed itself. This time it will not adjust itself. is this something I can...


You need to Change out the Convergence ICs they are Big Black ICs and will have the part number on them STK392-570s I think is what they use in this model.
Mats Electronics has ICs 1-800-628-1118
You can ship the Convergence board to PTS and let them rebuilt the board 1-800-844-7871
Zenith Exchange Moduels 1-800-632-6637
If you plan on Fixing this ,then you also need to check the Low ohm resisotrs 1ohm and Capaciotrs 1000uf 35v near the STK ICs

Jul 04, 2011 | Zenith R56W36 56" Rear Projection...

2 Answers

Ghost images . all 3 colours auto convergence doesnt help


rear projection tvs are not easily repairable  there is no solution but an expensive replacement of all 3 picture tubes    it is basically a disposable tv   time for a new one

Nov 03, 2009 | Zenith R56W36 56" Rear Projection...

1 Answer

I have the Zenith R56W36 56 in. Rear Projection Television, and im getting a 3d affect is there a way to solve this problem?


yes the convergence needs to be repaired. You can get a kit for your model which includes both convergence ICs and all the feed resistors . the kit also includes free instructions so you can do the repair yourself. Heres the link to the proper repair kit for your model.
http://servicemanuals.vstore.ca/product_info.php/pName/r49w36-r56w36-convergence-repair-kit/cName/convergence-repair-kits

Jan 24, 2009 | Zenith R56W36 56" Rear Projection...

1 Answer

R56w36 zenith projection television crt


If the resistor doesnt read its open and needs replacing. I have no idea on what your origional symptoms were. If it was convergence just the large feed resistors need checking.

Jul 08, 2008 | Zenith R56W36 56" Rear Projection...

1 Answer

Zenith r56w36


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.

Jun 26, 2008 | Zenith R56W36 56" Rear Projection...

1 Answer

Zenith r56w36


Unless you can do TV repair your out of luck on this one! Replace your convergence board or ship it for repair cheapest way.You must remeber to connect board exactly the way it hooks up , convergence board has 2 ics on it STK392-120 these ics go bad all the time and when you press auto they quit working.If you need any more help let me know. ThankYou for using FixYa. Have a Nice Day.

Feb 07, 2008 | Zenith R56W36 56" Rear Projection...

2 Answers

Zenith r56w36 56 in


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

Dec 19, 2007 | Zenith R56W36 56" Rear Projection...

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