Question about Sony KV-35V35 TV

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Tv flashing When tv is turned on there is sound but the picture takes about20 to 40 minutes to come on and when it does it just keepes on flashing and wont stop.Also the picture is not as bright as before is there any thing i can do about any of these two problems.also how easy is it to fix.

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  • Clive Marzouca Sep 26, 2006

    Thank you for responding to my problem i did as you suggested and the problem was still there but whle the back was opened i noticed a black knob on the power supplie so i turned it to the right a little and the problem stoped. Thank you verry much.

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Well nice solution, but i don't think it's right at all. The problem is your CRT that is shorted. You probably have a H-K short (heater to cathode). It's pretty common with these sony models.. Try tapping lightly on the CRT neck, picture might come back on. You've got a short there. Thanks, cheebster.

Posted on Aug 22, 2007

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The picture tube is intermittant and one day will not stop flashing,This is a very very common problems with sony picture tubes. A tempoary fix is to lower the G2 or the screen control on the flyback transformer. Good Luck

Posted on May 02, 2007

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I also have the same problem. Thanks for posting the problem and thank you for the informative solution!

Posted on May 02, 2007

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I could be wrong, but, from your description it looks like a cold solder, most probably in the Filament Heater circuit. If you are well versed in Solid State Electronics, I suggest you look for a loose solder or joint. Shut OFF the TV, Open the rear cover and chech for any dry dolder or loose coonections. Start with the CRT Neck PCB. Follow the tracks from the two Heater Pins (Marked H H) on the base). Also, gently remove the Neck PCB gently from the Picture tube, and (very carefully, mind you!) clean the Picture tube Contact Pins. Again, very slowly and gently, replace the PCB. Try your TV again. Let me know if the problem is solved. As for the second problem, ( less brightness) how old is your TV? Over time the emission from the Picture tube Electrodes becomes less, and picture quality detoriates. If set is over 6-7 yrs old, or if you are a heavy user - that is, you have your TV switched on for 6-8 hours a day, it is time to go for a trade-in. But, if you are very attached to the TV, you can always take it to a service shop, where they will re-condition the Picture Tube for a modest amount. It's life will get extended by a couple of years.

Posted on Sep 14, 2006

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