Question about Zenith SY2751Y TV

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ZENITH ANALOG TV, CRT DEFLEXION YOKE

ZENITH TV SPARE PARTS. We just need yo know how or where to find a deflexion yoke for the CRT of my Zenith TV Mod. SY2751Y AND S/N: 622-66411446. Regard's, Jose

Posted by JOSE HERNANDEZ on

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No Longer Available thru part distributors....you might try
E-BAY......T.

Posted on Oct 25, 2007

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OI HAVE A ZENITH H27H49S TV REPAIR MAN SAYS IT'S A SAMSUNG. TV HAS A POWER PROBLEM THE TV COMES ON NO PICTURE THUMBING SOUND. THE REPAIR GUY SAYS I NEED A YOKE SWIE2-0134 UNABLE TO FIND ONE. THE...

the yoke coil is very critical component of tv. it matches with the picture tube & the circuit. one can not replace with another kind of yoke. these yoke coils are very rare to get. i m so sad to say if it is not available you have to replace the whole tv.
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NO DEFLEXION VERTICAL

check this link ......

http://www.freelists.org/archives/techassist/06-2005/msg00159.html
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No picture, Horizontal line center of screen

Can be a case of vertical collapse. If this is the case, then the vertical oscillator and/or the vertical driver circuit are faulty. .

You can take you problem directly to zenith. They have a customer service post available here
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Vertical half a picture changed vert out ic & 220mfd 35v could it be vert yoke

If you have a hot air gun like used for dry the hair, apply hot air on the vertical section, if the trouble is solved sure is an electrolitic capacitor, find it hoting one by one with de solder, if not, may be is the defletion yoke, the impedance is not less then 7 ohms.Another probe for the yoke: disconect the vertical wires and supply 12 VAC with a transformer to vertical coil and turn on the tv and watch, if the vertical size is ok, the yoke is ok.
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My Zenith tv plays well, then the picture starts jumping and then picture goes off. Repair man has had tv for almost 2 months and can't seem to find out what is wrong.

Check the Vertical output IC and the Solder connections on the Vertical deflection yokes. Bad solder on the yoke plug connectors will cause the same symptom, and the Vertical IC may just need to be resoldered as thats fairly common with that model.
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Adjust Convergence on Zenith B27A11Z

You don't adjust convergence through a service mode on one of these sets. With a conventional CRT, convergence is done by physically adjusting the convergence rings on the neck of the tube, and the position of the deflection yoke near the bell. You would also need a crosshatch generator to provide the required test pattern for adjustment.
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Who knows this TV?

there is an electrolytic capacitor in the yoke section.replace it .you do need a manuial to find the capacitor an also a qualified tv repair personel
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York Coil Problem - TXN2726 27 TV

The part you want is called a "yoke", and not a "York". This is the electromagnetic coil that fits on to the neck of the CRT, and makes the magnetic field from the scan amplfiers to scan the the beam.

I don't know if you realize that when changing the yoke, the purity and convergence alignment will have to be done on the set. This is a job task that requires skill and a lot of practice. Not many service techs are very good at this type of setup. There are specific calibration patterns used for this type of setup. When changing the yoke, it is very common that the ring magnet assembly (convergenc and purity magnets) that is behind the yoke must also be changed. Some yokes come with this assembly together, depending on the model of yoke.

Some manufactures do not sell the yoke separately from the CRT. When the CRT is replaced, it comes with the yoke and magnetic assembly.

An interesting question would be is, how did you determine that the yoke is actualy bad??? It is extremely rare that this type of part fails.

Parts for CRT type sets are getting very scarce. Because the market for spare parts for CRT sets is decreasing very quickly, the clone part manufactures are also not making the generic type dedicated parts.

A way to have parts for your TV set would be to search for a used set that can be used for spare parts. You will have to hope that the same parts you need are also not defective in the used set.

In my opinion, if the yoke is actualy bad, I would be shopping for a new set rather than go through all this trouble. The LCD TV sets are excellent. There is no way that your CRT set will ever be able to perform like the new LCD sets.


Jerry G.
0helpful
1answer

Have A focus problem.

Sounds like your yoke is not adjusted. The yoke is made up of magnets and must be alligned one color at a time.

good luck---------tomtaso
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Zenith tv

due to shifting your yoke coil might have turned. if you are not tech person get it done by tech. good luck.
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