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My TV will not turn on. It is a 34" 16:9 HDTV. Sony FD Trinitron Wega(?) Model # KV-34HS510. For several weeks it was difficult to turn on but usually after trying several different approaches I was able to get it to turn on. For example, Turning the cable box off and just using the TV remote. Or I would unplug it for awhile and then it would turn on. I checked the Operating Manual and it stated in several different places: "If your TV does not turn on, and a red light (LED) keeps flashing your TV may need Service. Call your local Sony Service Center." When I called Sony Customer Information Center, the Rep. asked how many times the LED light blinked between pauses. It blinks 7 times and pauses. Rep gave me names of local Service Centers to call. Best Buy said to simply buy new TV. Said in home service call would cost $125.00 and minimum repair costs $250 to $350. Finally called a local TV Repair Service.He charged $75 for service Call. He came and removed the back and used what appeared to be a small two pronged tester on maybe one or two places,(no more) and stated he would need to remove the entire circuit board (?) and send it away for rebuilding. Cost about $350. I had no confidence that he even knew what he was doing. He said he could sell me a new Plasma TV and would apply the $75 Service Call to the Price. I'm having a very difficult time accepting that It is Cheaper to buy a new TV comparable to this one, than to invest in fixing this one. I paid $1700.00 less than 6 years ago for this Set and I loved the Picture. The Color and Clarity were fantastic. I hate that we live in a Disposable Society. Is the TV unfix-able except for such a high cost?

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  • sku1038 Sep 10, 2010

    I don't think it was a problem with the tube because once the tv came on, there were no problems whatsoever. It simply would not turn on. I would press the on button on the set or on the remote and I would hear a "click" but the TV never came on. Only the Stand By LED light (red light on front of set) came on and blinked 7 times and then paused and then blinked another 7 times over and over.

  • sku1038 Sep 11, 2010

    ladywinn,

    You seem extremely knowledgeable but how do you explain that this problem had been occurring for several months. Usually, if TV didn't come on I pressed the ON/OFF button again which turned the unit OFF. Then I pressed the ON/OFF button again etc. until it came on. After it came on, the TV worked beautifully with no problems. Once I left it on for over 24hrs. because I was afraid I couldn't get it to turn back on the next day and I was interested in seeing a program the next evening so I simply left it on.

    It seemed the problem continued to get progressively worse. First, it turned on after several attempts with the method mentioned previously. Then, It would turn on only if the Direct TV Cable box was off and I used only the TV remote (Not the Cable remote) to turn it on. Next, it would only turn on when I had unplugged the unit for several minutes, hours etc. Finally, none of the preceding attempts worked to turn it on.

    The tube/transformer thingy with excessive leaking voltage sounds dangerous and seems inconsistent with the rather slow demise of the ability to turn it on.


  • sku1038 Sep 11, 2010

    Your answer doesn't reply to my Comment about the slow demise of the ability to turn on the set AND THE FACT THAT AFTER IT WAS ON IT WORKED BEAUTIFULLY!!!!!!

  • sku1038 Sep 11, 2010

    PLEASE REVIEW ORIGINAL POST AND MY RESPONSES AND ADDITIONAL COMMENTS TO LADYWINN

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  • Master
  • 666 Answers

No both best buy and the technician were accurate truth is tvs come built with fuses to prevent the blowing of circuits and capacitors on the board and when your tv does not turn on and gives the blinks its letting the repair technician know to look at exactly which line needs to be check the diagnostic is usually very simple however anything on the main board being damaged does result in huge maintenance fees as its not intended to be repaired rather reinstalled with a new one I am sorry to hear about this normally what I would do under the circumstances is purchase the same model tv and return the broken one in the new box


hope this helps
Robb

Posted on Sep 11, 2010

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  • Master
  • 5,138 Answers

Did the person who came to your house ,Did he ever mention anything about you having a Bad FBT Flyback Transfomer and shorted hori output Transistor?This is what is found to be The Biggest Problem that sony had with Solid Tube TVs,and Chances of the Tube being Defective was the Main problem to start with, In 2006, I had serveral Sonys that were throwed away because of this Problem Cost of repair was around 800.00 my cost not retail just for Picture Tube ,then FBT and shorted output another $175.00= $975.00. Heres the other problem Shops do not want to change out Picture Tubes due to size of Tube. Now heres the other thing ,The only way of knowing if Tube is defective is to replace the FBT and Transistor,Sets will Start up and might play one hour before they started shorting out the Hori output, which says it all Defective Tube!!!!!!

Posted on Sep 10, 2010

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  • ladywinn
    ladywinn Sep 11, 2010

    Sonys 7 Blinking Code Means TV has Power Supply Regulation and Horizonal Circuits ,Then what it uis telling you the the power supply and horizonal circuits are Exceeding the 33,000 volts running From Picture Tube ,PictureTube produces anywhere from 32,000 volts up to 32,500 volts.

    Meaning Tube is now running over the maximum voltage and in return Burns up the Flyback Transfomer then causing Horizonal output Transistor to Short. Picture Tube is actually Leaking Excessively High Voltage out through the End of Tube Pinns thru CRT Board, which connects to FBT and Horizonal Circuits



    Do the self dionagics test using your Hand unit Press Display then, 5 then, vol+,then Power botton

    Google in your search bar Understanding Sony Blinking Codes -then Go to--- ecoustics.com

  • ladywinn
    ladywinn Sep 11, 2010

    That Clinking sound is the relay set will not come on because the Horizonal output Transistor is shorted therefore Meaning the High Voltage Circuit is Not going to work.

  • ladywinn
    ladywinn Sep 11, 2010

    Lets just say that if you are behind this set and dont know that it is leaking High Voltage out through, You the Pinns on The Tube, You DO NOT want to be near it ,It can Kill you. You have to remove the CRT board that Plugs on Neck of Tube after you repair the horizonal circuit and now have high voltage up and running, then Use a High Voltage Probe on the Pinns of Picture Tube, this will Tell you if set is Leaking out excessive high voltage.

  • ladywinn
    ladywinn Sep 11, 2010

    Ive been doing TV Repair for 33years, and in that time I have seen TVs do just about everything

    For Example customer had 36 inch Sony Beauitfull Picture and it started out with Shorted Horizonal output, After repair set played a week then shorted part out again,so I replaced it again then it shorted same Part out 2 more Times,So I replace FBT and Hori output again this Time it Played 15mins

    shorted Horizonal again Turns out Picture Tube was the Problem the whole Time!



    Sonys will either slowly start with what seems to be minor Problem and always turns out to be Major

    Problem with Defective Tubes.

    Just Like the Sony DLPs ,9 times out of 10 Problem would be the Light Engine Cost of Part $2,500.00 Now they have rebuilt Light Engines Price without exchange of old Part $1200.00

    with exchange of old part $750.00 and these are not the retail Prices!



    Sonys Projection sets they started out with Bad Red Tubes after replacing it then the Green Tube would go Bad then The Blue Tube ,Companys who had Sonys warranty work was told By the Sony companys if one tube went Bad to just replace all 3 Tubes! This was done to TVs that were under Sonys warranty it got so bad that they ran out of New Tubes now you have to send them to Georiga and have old one rebuilt if images were not burt into the tubes.

  • ladywinn
    ladywinn Sep 11, 2010

    I did some Checking and I gave information on another chassis,Sorry about that, but when you work on alot of different makes and Models For Sonys 34HS510 chassis

    You need to replace IC8002 and these capacitors C8032, C8037,C6518,C6532

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