Question about Sony FD Trinitron WEGA KV-27FV310 27" TV

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Sony Tube TV picture

I have a 37" sony tube tv that is about 7 years old. the picture "giggles" a little, and a the same time, the bottom of the screen moves/compresses upward about a 1/4 to 1/2 way up the tube. Do you know what the problem is?? Thanks

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YOU HAVE A VERTICAL DEFLECTION PROBLEM. EITHER SOLDER CONNECTIONS OR THE PUMP UP CAPACITOR.

Posted on Jan 12, 2009

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Please tell me how to charge tube?


you can boost the heater of the picture tube but usually it will serve only about a month then the tv will still dim picture since the tube is almost used for about 15 years. so i suggest to replaced the tube, you can find at electronics shop or replaced the tv unit.

Feb 18, 2013 | Sony Standard (CRT) Televisions

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I have a 8 years old apex tv. while watching tv the picture went out but it still has sound. i can't see the channel numbers or volue bar is it worth fixing


I WOULD SAY NO ! THE PICTURE TUBE IS PROBABLY AS MUCH AS THE TV IS WORTH. i had a very nice sony trinatron tv. the picture tube whent on it at about 5 years so I CALLED FOR REPAIR AND THE PICTURE TUBE WAS 2-300 DOLLARS. good-day !

Jan 20, 2012 | Apex Digital Standard (CRT) Televisions

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The tv is at least 17 years old.The blinking red light blinks 5 times ,then the tv picture goes off . The voice is still on


Five blinks is the error code for an AKB (auto kine bias) error. What this means is that the set isn't able to balance the three color guns (red, green and blue) of the picture tube properly, and it's blanking out the screen.

To get the proper colors, the signals for the three colors need to be balanced, and Sony sets have circuitry to do this automatically. Other brands don't, and when they go out of balance you see a picture that starts to show tinting or colors that are off. As the picture tube ages, it gets harder to adjust the balance until finally the AKB circuit can't anymore, and poof, the picture goes away. With a 17-year-old tube, it's not surprising.

There isn't anything that can be done to fix the picture tube, it would need to be replaced. But the cost of the tube and the work required to get it set up after installation makes it completely uneconomical to repair this TV. A new picture tube is nearly $200. Then special tools are required to set the tube up (a process called convergence), so you'd need to find someone to put it in, and possibly pay to have the old one disposed of. A new 32-inch LCD set is around $350 now. Treat yourself to a new one.

Jan 01, 2011 | Sony FD Trinitron WEGA KV-27FS120 27" TV

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Stand by timer light on the front of thr TV is blinking, how do I shut it off?


Sony TV's use auto Kine bias a very old term meaning Kinescope or Picture Tube.
When your picture tube is up to full output (approx 30 seconds) the set will click and perform as normal.
If not the tube you see the picture on is not up and running in any one or all colors (RGB) or something else has not started.
Service or replacement of a 10 year old set may be what's next.

Sep 23, 2010 | Sony FD Trinitron WEGA KV-27FS100 27" TV

2 Answers

Sony Trinitron TV now taking around 5 minutes for picture to appear (sound comes on instantly) Is it worth repair or should I cut losses and replace set?


How old is the TV?
Sony Trinitron sounds like it may be from the 1980's?
Some TV engineers can use a piece of equipment to do a "tube boost" but this is sometimes risky and can completely ruin the tube, but it's a risk you would have to take.
If the TV is over 15 years old, and has been used regularly, (like 4 hours every day or more) it seems likely that the tube has reached the end of life.
TV cathode ray tubes are like light bulbs...they do not last forever!

Nov 17, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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WHEN I TURN ON TV I GET A RED SCREEN WITH HORIZONTIAL LINES STAYS ON FOR 10-15 SECONDS THEN TURNS OFF STAND BY LIGHT BLINKS 7 TIMES SORRY THIS IS A SONY KV35V65 TV


this is a red retras line problum
[1] red cathoud video amp. trangester is sort or dry canaction
[2] red cathoud is sorting with filament terminal is in side pictur tube
so pls. cont. your nr. tv. tech. solve this problum. it is not very expancive
* this is a coman problum if your tv set is 7 to 8 year old.

Nov 10, 2009 | Sony KV-32V65 TV

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Still Need Some Help


SOny has had big problem with BAD picture tubes so when tube begins to short in return it will burn flyback transfomer ,shorting out hori output.I know i thru away better then 50 sonys all with same problem. some of them where only a year old!

Jul 18, 2008 | Sony FD Trinitron WEGA KV-30XBR910 30" TV

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Blinking picture


TV Repairman came out today to look at my Sony KV-36XBR250 today with the exact same problem - he was able to adjust the settings through the service menu, but said it was a temporary fix only.

The picture tube is going and the Sony circuitry has a "video mute" that it uses when it senses the tube is not warmed up enough. The degraded state of the tube causes the blinking on and off as the signal from the tube wavers.

He ballpark estimated the tube replacement cost well above the price for replacing the set with a 37" LCD, so it's going to the dump...

Mar 02, 2008 | Sony KV-36XBR250 TV

1 Answer

Rainbow picture


The tube needs to be degausse you had maybe placed speakers beside the tv causing it to magnetize have a tech look at it to remedy the problem.good luck.

Apr 08, 2007 | Sony FD Trinitron WEGA KV-36FS120 36" TV

2 Answers

Screen flashes green and tv shuts off


The average life of a picture tube now days is only 6 to 7 years,base on the symptom and the age of the set I hate to tell you but your picture tube is bad and it has to be replaced but a new picture tube for this set would cost more than a brand new television,I would suggest not to spend any money and invest in a new set.Sorry

Nov 03, 2006 | Sony FD Trinitron WEGA KV-34HS420 34" TV

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