Question about Sony KV-35V75 35" TV

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No picture I have a sony KV-35V75 and i have no picture at all, just a black screen, could it be the picture tube, if so could i replace it myself ?

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Pob not crt no high volt answer. need tech.

Posted on Dec 02, 2008

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Screen gives bright red flash--sounds goes off and picture goes to black. stand-by button flashes multiple times.... help!!


That is either the tube or a short circuit video driver semiconductor.
If it is intermittant, I would go for tube and prepair to purchase a replacement TV.
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Remove stand on a Sony KV-35V75 television


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No picture, sound works on Sony TV KV-27V22.


try to adjust the screen. it is located behind the CRT board.(CRT board is the board that attached to the picture tube) you will find a black knob which label screen adjust it by turning the knob.

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Sony KV-32S42 (See Description)


It may be a fruitless effort. The main reason this occurs is that the Picture Tube is drawing too much current and the AKB circuit will not let the video circuit diplay the picture. Outside
of replacing the Picture Tube there is no fix.
You can varify this by turning the screen control up. This is usaully located on the HV transformer and is marked. the other location it may be is on the CRT board. It also would be clearly marked. If you adjust this slightly and the picture appears, the Picture Tube is the problem. I'm betting 100% it's the Tube.
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Jun 16, 2009 | Sony KV-32S42 32" TV

1 Answer

Screen goes black every few seconds but have a picture


Sony incorporates a video blanking circuit that blanks the picture out when the picture tube begins to get weak. sorry, but short of replacing the tube, there's no lasting solution to this problem. I used to have some success rejuvenating the crt, but I found that it didn't last but a few hours before the blanking circuit starts to activate again.

Apr 01, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

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...

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1 Answer

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Hi, IK circuit is engaging which basically means the picture tube is getting tired, the only "fix" is temporary (may get another year out of it). You have to increase the "screen control clockwise".
Remove back of set, follow large black or red wire attatched to picture tube down to the flyback transformer, mounted on flyback are two black controls, one is focus (leave it alone) the other is "screen", adjust it clockwise approx. 1/4 inch, remember that this is a high voltage circuit so use one hand in the set the other hand out of the set at all times,any questions ? e-mail me back, good luck, BMW Rider

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1 Answer

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First thing you should try is unplug the set for several hours. If you have the same problem, then you are going to have a system control issue and or a standby power supply issue. These problem, unless you know how these circuits work in a TV set, will need to be looked at by a trained tech. Good Luck

Aug 13, 2007 | Sony KV-35V75 35" TV

1 Answer

Sony kv 32s42 32 tv


turn up your master screen control on flyback transformer. if when sceen gos black ,the timer light will be blinking. this means your picture tube is week. by turning up the screen control you may give it more time.

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