Question about Sony FD Trinitron WEGA KV-36FV300 36" TV

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No picture T.V. turns on with sound but no picture. Red light blinks in intervals of 4.

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This mogiht be a problem in the High Voltage power supply. Or the Horizontal output section of the TV. I would start off by checking the Horizontal Output Transistor and the using a high voltage probe check the CRT anode voltage to make sure it is proper. If you do not have a background in electronics I would not suggest that you attempt to work on this set. 

Posted on Oct 11, 2007

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