Question about Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Screen goes blank while watching

I bought a 32" sony trinitron from a garage sale and have had it for about three weeks. While watching yesterday the screen went blank but the sound was still working fine. I changed channels through my cabe box and could hear it change channles but still no picture. I truned it off for a couple minutes and had a picture when I turned it back on. It worked the rest of the night. After watching it this morning for about an hour the screen went blank again with the sound working. I again turned it off for a couple of minutes and when I truned it back on, it again was working. I have had it on watching football all day and it is working just fine. Is the T.V. trying to tell me something? When the tubes start to go do they act this way and it is worth paying to get it fixed? Is it a simple process to fix, I am pretty handy, just do not know much about electronics and I do not like working on things I cannot see (electricity) for one......
What should I do? I didn't pay but $40 for it. Not sure what year or model, but it sure does make a nice compliment to the living room.

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  • Dtp2day Sep 22, 2008

    Dan,



    Could you please tell me where to find the model number for my 32" sony trinitron? The set is heavy and would like to know before I need to lift and move it around.



    Thanks,

    D-

  • Dtp2day Sep 22, 2008

    Dan,



    Could you please tell me where to find the model number for my 32" sony trinitron? The set is heavy and would like to know before I need to lift and move it around.



    Thanks,

    D-

  • Dtp2day Sep 22, 2008

    I found the model number. It is KV32S26. Also found the year it was made - 1997. I did not know it was this old.



    To answer the other question you had - when watching the set and it goes blank, the red light does not blink, but after turning it back on the red power/stand by light blinks and there is no picture. The sound works just fine, but the picture is blank. Is it worth fixing in your mind?



    Thanks-

    D-

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  • 4,234 Answers

Couple of things:

1) When the picture "stops", does the standby light blink at all?
2) Can you post the model number please?

Some of these sets are known to have problems with the picture tube as it starts to age. There are some workarounds for this that can extend the life of the set for a short time. Without the model number though, I can't confirm that this set is in that catagory. Please supply responses to the issues above and we'll continue from there.

Thanks,
Dan

Posted on Sep 22, 2008

  • ABRsvcs Sep 23, 2008

    This sounds like the picture tube is starting to fail. Here is the test... Open up the back and locate the flyback transformer. This is the part that has a large red wire coming out of the top. With the set on and not displaying the picture, turn the screen control slightly clockwise when viewed from behind the set. The screen control should be the top control on the flyback transformer. If the picture comes on, it should stay OK for a while. Please note that if you see light line that are slightly diagonal, these are re-trace lines and there is nothing you can do. Hopefully adjusting this will return the picture.



    Keep me posted.

    Dan

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