Question about Sony FD Trinitron WEGA KV-21CL10 21" TV

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My sony trintron 21" the bottom half is black i

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Solution
step 1 : Now at first test your fly back transformer
step 2 : A.C. transformer out put voltage test
step 3: Vertical yoke coil adjust

Posted on Jul 30, 2011

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Hi there,
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Posted on Jan 02, 2017

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2 Answers

My sony trintron 21" bottom


RE-SOLDER VERTICAL SECTION & CHECK IT.ALSO CHECK PIN CUSHION SECTION.

Jul 29, 2011 | Sony FD Trinitron WEGA KV-21CL10 21" TV

1 Answer

My tv has a line through the centewith half o the picture at the bottom!


It is vertical stage problem .check supply voltage,and output voltage of ver ic,If it is upnormal find reason,and also resold the ver.ic .and change vert stage electrolytic filters.finaly replace vertical ic.

Aug 11, 2010 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Sony 32" Triniton TV. Will not turn on.


The four blinks indicate a vertical deflection problem. I would suspect either bad connections on the vertical IC or a defective IC. This IC is a small flat IC with about 9 pins or so and should be marked LA7837 or something similar. Try resoldering the pins first. If that does not resolve the problem, replace the IC.
You may also need to replace some capacitors in the circuit, but try the IC first and keep us updated.
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Mar 17, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Sony Trinitron Top Half picture blacked out


You could have a bad capacitor 35v 100uf ,1uf 50v ,VERTICAL ICs have 7-11pins depends on which one you need LA7830-or 7833,7835,7836,7837 7838 make sure you get correct part.
ThankYou for using FixYa. Have a Nice Day

Feb 07, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Sound and no picture


Hi, if your getting half a picture AND the other half is black the vertical circuit is failing, either solder is broken or vertical IC needs to be replaced, not a pricey fix, BMW Rider

Jan 04, 2008 | Sony KV-32S26 32" TV

1 Answer

Half Picture


I have seen this caused by 2 different problems. The vertical output IC could be bad but it is usually the CXA jungle IC that fails to cause this. Either way the set should be serviced by someone experienced in repairing Sony TV's.

Aug 09, 2007 | Sony FD Trinitron WEGA KV-32FS100 32" TV

1 Answer

Top half of screen black


The vertical circuit is going bad,this is the one in charge of opening the picture up and down,try taping on the side to see if the picture reacts ,if it does your set has a loose conection and the vertical IC will need to be resoldered only but if it does not react the IC will have to be replaced,if you are familiar with tv service this will give you a place to start but if you are not be safe and seek the help of a servicer,please let Us know how it goes.

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