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Sony trinitron, 8 years old, sound but no picture...sometimes lined picture halfway upscreen...

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Please intimate exact model number of your Sony TV, it would enable me to help you.

Posted on Aug 07, 2008

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Your picture tube is dead it needs to be replaced contact tv repairman,

Posted on Aug 07, 2008

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I have a Sony FD Trinitron 27' Model # KV-27FV310. It is approx 8 years old. After turning it on and watching a full screen for a few minutes; all of a sudden, a line came across half the screen;


top half missing is in vertical circuit of set---if it is a 27 inch and this old consider retiring it and replacing----other option is consider having a shop repair it--a rough guess would be as high as 150 dollars parts and labor is possible for your problems.

May 01, 2012 | Televison & Video

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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

1 Answer

Picture on 15 year old Trintron comes on briefly then goes black


if the sound goes out its not a tube problem . a bad tube would have no effect on the sound .you problem (my guess) is in the power supply . a modern tv power supply has parts of it that stay on all the time unpluging it is not the problem its when you plug it in ! the power supply gets a JOLT . you might get away with it ,you might not . thats why we install surge arrestors on power plugs and with expensive tvs i recomend a UPS a power unit that keeps the tv powered even wnen the line power is out . thats keeps everthing in the sets nice and even ,so the tv lasts longer ... a modern tv turned off uses about 1.40 in electric a YEAR in standby mode , so what are you saveing if you send you set to the landfill early and have to buy a new one ? over 1.40 in electric ? . turn down you water heater or something else simple dont be blowing out you electronics for the sake of a few cents ..... good luck .... if this answer helped please rate a 3 or 4 , this high rateing will hepl keep me in the paid answer department . thank you

Apr 19, 2009 | Sony Televison & Video

1 Answer

Green screen and distorted picture sound is good but no picture


It must be connected with the color circuit of your tv, a board connected to back end of the tube. Could be dust, cob web or carbon deposit shorting a transistor. Popping noise if loud enough can be attributed to high voltage circuit fault and picture tube.

Have it service by a qualified person.


Apr 04, 2009 | Sony FD Trinitron WEGA KV-27FS120 27" TV

1 Answer

KV32VF15


I have this very same problem. It is getting worse over time. I want a new TV but right now I don't have the money.

Jul 13, 2008 | Sony FD Trinitron WEGA KV-32FS100 32" TV

1 Answer

Sony Trinitron experiences


The screen control inside the set may be on the highvoltage transformer or on the crt socket; either way if you can turn it up just a little clockwise and the picture comes up but doesn't look good you are likely to have a bad tube. Or try tapping lightly on the glass neck and watch the picture as you tap. If it reacts to the tap you have a bad tube. but the turning the screen control is the best test. Turn it the other way the picture goes off immediately. bad tube: too costly if it is available.

Dec 29, 2007 | Televison & Video

1 Answer

Sony kv35s66: No picture, just sound and red blinking


The most common problem (I have fixed lots) is the Vertical amplifier has developed a loose connection. It probably just needs resoldering. As things expand it makes and looses connection you picture goes in and out. The vertical chip is a large black chip that gets hot, over time it degrades the solder until a connection is damaged. Most newer sets have a protection circuit that senses the lack of height, and shuts down the picture tube to save it. When the picture dropped to a line on older TVs and left that way too long it would burn a line into the face of the picture tube. You then had to have the picture tube replaced along with the vertical amp. it's kinda like a screensaver for your TV.

Nov 21, 2007 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Blank Picture, Sound OK on Sony TV


Hello, there can be a contact problem in power supply, deflection or RGB stage. Please ask the tech to repair it for you. Best regards, Arpi

Apr 22, 2007 | Sony KV-27V22 TV

1 Answer

Sony Trinitron Kv24Fv12


stand by timer light flashes 7 times no pic no sound. how do i
stop timer

Apr 09, 2007 | Sony FD Trinitron WEGA KV-32FS100 32" TV

1 Answer

NO picture


You didn't say how old your set is, but if it has a picture tube, then this may be you trouble. I've seen several Sony's do this. I've had several come in to the shop and set and play for several days and then "wink" out! Sometimes, though, the high voltage circiut will shut down and the sound will still work. I would advise you to have it checked at a shop. If is very old you need to get an estimate. Stargazer

Feb 05, 2007 | Sony FD Trinitron WEGA KD-27FS170 TV

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