Question about Sony KV-27S65 27" TV

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Picture gone TV acts like the power is out, but has a standby/timer light that flashes four times then stays out for an equal amount of times before flashing again. Otherwise, the power button seems to be responding, as if on a relay, but there is still no attempt at a picture. I have the sound running through a receiver and do not know if that might be another clue, but the sound is barely audible. It runs from the Comcast receiver to the A/V receiver. This TV is about two years old but ran day and night. (I am grateful for the peace and quiet but the wife and kids are getting on my case...)

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  • halfwatt Feb 10, 2008

    Thanks for the response. There is no power to the tube (no static), although the blinking led proves the power is on. The audio comes from the comcast box and goes to surround sound. I have no idea if the TV sound is working or not. The only thing plugged into the TV is the power and a single (yellow lead) RCA cable from the Comcast receiver. None of the wires have been disconnected since it worked last, and I checked to be sure nothing came loose.

    halfwatt

  • halfwatt Feb 11, 2008

    Timstv,

    The half inch of dust inside and the 2001 sticker make me think it's time to get a new one. Even with the tools, I'm not smart enough to solder in a new part on the circuit board to fix the power sensing problem. I'm guessing a capacitor cooked (or something similar) and I'll spend more time with the family until my wife gets a job and a new TV. The paperclip didn't do the trick, but it's a good thing to know. Thanks for your time and interest.

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If you put the back of your hand to the front of the picture screen does it make the hair stand out like static? If not there is no high voltage..Does the audio come from the receiver to the tv or to a suround sound system? My first suggestion is to disconnect the tv from every thing. Plug in an exterior antenna/rabbit ears or just a paper clip into the cable connector and see if you get any local channels. If you have none available, connect to a known good dvd or vcr and see if it works correctly. If so then something has died in the receiver modulator. It might then be possible to use only the audio/video outputs on the receiver to get everything working, however the problem could be deaper in the receiver and not able to be bypassed.....Let me know what you have tried and if anything works. etc.....

Posted on Feb 10, 2008

  • Timothy Smith Feb 10, 2008

    Unhook the one wire coming from the receiver and plug a paper clip into the antenna jack on the tv to see if anything appears. Some sets won't static unless there is a load on the picture tube. The flashing power light makes me think something is wrong with the tv power sensing circuits. Some will go into what is called shut down when it thinks the high voltage is too high to eliminate the posibility of producing xrays. Do you hear a ticking or is it silent. Either way it is probably ready to go see the doctor, or depending on the value, laid to rest. Sometimes these can be repaired for little, but depending on how proud your technician is of his time, can prove to be out of the question. Might be in the shop for many days.

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