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

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My tv keeps blanking out. the sounds stays on, but the picture blanks, then comes back on. can you help me?

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The capacitors in the high voltage circuit have lost their capacity to hold the high voltage for long, those loses it after a certain time period till they are fully charged up again. This results in only the display getting affected the way you have described. I am saying this since it has CRT(Cathode Ray Tube) display and the voltage generated by the HT transformer is 33KV. Please don;t even get closer than six inches from that circuitry which you will bw able trace if you yourself try to repair itself. Please call for the nearest & reputed TV repair man to do the job. I cannot provide any idea regarding how much the cost will be but state this with confidence that if the Tube is at fault, simply buy a new one.That will most cost effective, wherever you may be residing...............................sodeep

Posted on Oct 02, 2009

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Hello ! a technician should check for any leakage  on the picture tube Transformer or any dry joints   on the board .

EHT transformer if faulty there will no picture but sound yes , 
swap the picture tube transformer with a new one  


good luck 

Posted on Oct 02, 2009

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