Question about Sony KV-35S40 TV

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Picture and sound went out suddenly on a Sony KV-35S40

The picture and sound went out suddenly on my KV-35S40 TV. The front red light blinks. Any suggestion on what component to check for the problem?

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  • dwelle Dec 17, 2007

    Mine didnt just go out when it was on. I went to turn it on and the red light just kept blinking, no pauses or code blinking just blinks on and off. I dont know if this means anything but before I tryed to turn it on it sat in my garage for a year and I moved it to my new place and tryed to turn in on then it did it, and I did not drop it or anything. pls help as I dont have money to take it to a repair shop. thanks DAR

  • Anonymous Jan 07, 2008

    Same thing - it went out like the power had been suddenly cut - a small circle of color appeared on the lower right hand screen. When we attempted to turn it back on the red light just blinks.

  • Anonymous Jan 11, 2008



    Tv went out suddenly while watching it. Tried to turn it back on.No luck, just the stand-by light blinking. Visually inspection all of the circuit boards and didn't see any signs of componet failure. Wht should I do next?

  • Anonymous Jul 08, 2008

    same as others-picture and sound went out. flashing red light in the front.

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  • Sony Master
  • 5,138 Answers

Sony has problem with bad picture tubes as well as flyback transformers .if you have shorted hori output then replace it if set shorts it out again your looking at bad flyback transformer as well as maybe leaky tube.

Posted on Jan 17, 2008

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Have a kv-35s40, and when turned on picture goes on and off, sound is okay all the time. after about 10 minutes, picture then stays on, an tv works fine. only happens when first turned on.


Hello
Your TVs Base card socket, that is the socket connected to the base of the picture tube is loose. Just unplug it and replug again for tow or three times. Please note for any loose sodering occurs to the pins of the socket and the video output transistors fitted on the picture tube base card. This should rectify the problem.

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Does the sound still work when the picture shuts off? Also does the light in the front blink in any sequence?

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The most common reason for no power on your set is a shorted hori output NTE 2353 , and right behind that part is a 1200pf 2kvolt capacitor check it also check out STK-392-150s one of them may control part of start up.

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Sony has a code for those blinks indicating the problem area. Count the blonks till the pause then google Sony blink codes for the area to fix.

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Is the red light flashing a code ? exaple 4 blinks pause 4 blinks ?

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