Question about Sony FD Trinitron WEGA KV-20FS120 20" TV

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Blinking and bars in background

Tv blinks constantly picture is otherwise good there are bars in background

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Check capacitors located at horizontal section.is there any popcorn sound?post back.u

Posted on Aug 31, 2008

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The power light is red and blinks and beeps. I have no picture or sound. I was watching the set and it just started doing this


How many times do this standby/power light blinks at one time switch ON? Count it. These blinks are fault indications, and are called blinking codes. By this number of blinks, you can get an idea about the faulty circuit stage inside the TV. If you wish to get more details about these blinking codes, check the site linked here. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by its left side bar, or view it in Timeslide option.

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Problem with Sony FD Trinitron WEGA KV-32HS510 32" TV


Blinking of standby LEDs to Sony TVs are fault indications. Form the number of blinks occur at one time, the repairman can get an idea of the faulty stage inside it. According to you, it blinks 4,6 & 7. Just visit this site, It has details about blinking codes to Sony TVs, both CRT based, Flat panels and Plasmas. I can't provide more advice to you, because the number of blinks are not constant. Check the site, and get it.

Jan 22, 2013 | Sony FD Trinitron WEGA KV-32HS510 32" TV

1 Answer

Sony trinitron


Need a little information here...

1. The TV remains on, yet there is no picture and no sound? Or does the TV turn off altogether?
2. Are the blinks constant and continuous? Meaning, does it blink two times, pause, blink two times and go on and on like that?
3. Can you turn the TV on? Or can you not get it to turn on?

Answer those questions and I can give you some more information or send you to the place where you can get it.

Nov 14, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

2 Answers

Sony KV-35S66


power supply kit hozout plus flyback 1fuse 1restor

Nov 10, 2008 | Sony KV-35S66 35" TV

1 Answer

SONY KV-35S26 Blinking picture


Guess I should have looked throught the next couple of posts... The problem you have there you will not be able to repair yourself but a good shop can fix it temporarily. The CRT (Cathode Ray Tube) or picture tube is shorted, that's what is causing your blinking. You can call around and ask a shop locally if they can rejuvenate it for you using a crt analyser. In the shop here we use a BK467 which would fix the problem for awhile. What they will do is take the back off and hook-up the analyser and remove the short temporarily. That fix could last weeks or even months, in most cases though never more than a year. Turn the RV1791 back down, it has nothing to do with the G2 voltage and you don't want to overdrive the crt anyway. Take it back down until the horz. lines disappear in dark scenes or background. Then take it in and have the picture tube rejuvenated. Then start shopping for a new Tv... You'll need one eventually but this will buy you a little more time.
Bill

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993
premtech@willapabay.org

Nov 02, 2008 | Standard (CRT) Televisions

4 Answers

SONY WEGA TRINTRON MODEL KV36FV15 RED LITE FLASHING


The model number is KV-36FV15 and blinking is constant no pause

Aug 01, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

2 Answers

TV will not come on.


The 7 blinks indicate a high voltage shutdown (high voltage exceeded 33,000V). This is usually caused by a defective regulator. Could you please post the exact model number (KVxxx) and I'll look up the part you will likely need?

Thanks,
Dan

Jul 28, 2008 | Sony FD Trinitron WEGA KV-20FS120 20" TV

1 Answer

20" Trinitron Wega


Good day.
First, Have your tv 's circuitry be resoldered. this might be a case of loose contacts particularly along the crt circuitry. the longer you operate the unit at this condition, the faster you are counting the possibility of shortening the lifespan of your tube. 9 years is quite a young age for a unit which has an average of 18years.


response is highly appreciated.


chris

Mar 29, 2008 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Sony Trinitron KV-29RS22 Blinks


Sounds like the high voltage is marginal.
My experiance is to not put money into a TV that is over ten years old. TVs stress out their electronic components worse than almost any other electronic product. After 10 years, there are so many parts that are ready to fail that your are probably wasting your money trying to get any more life out of it.
Another option is to wholesale replace the main board by sending it to Module Exchange at 972-298-1212,
or PTS Electronics 800-844-7871 ptscorp.com.
Be careful on buying a new one though. Often times, these new technology ones are much worse. Always Google the model number of the set you intend to buy and add the word 'repair' or 'complaint' to see if it is one of the many models that are customer service nightmares being produced by even the most reputable companies today.
Hope ya fix it!

Feb 10, 2008 | Standard (CRT) Televisions

1 Answer

No picture


as sound is ok means power supply is ok. 1 check for filament if it is glowing means it is ok otherwise check for its supply. 2 check video and crt pins voltages 3 check for connector loose 4 luminance section in chroma ic. good luck

Sep 18, 2007 | Sony KV-27V10 27" TV

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