Question about Sony FD Trinitron WEGA KV-36HS510 36" TV

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Sony 36 in.tv fdtrinitronwega xbr

The tv comes on,but the picture goes on and off,sometimes it will stay on for a few minutes.I can't program anything on it because the picture won't stay on long enough.Please help!

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  • Anonymous Jul 07, 2008

    the tv comes on but flashes from the picture to black

  • irvade Jul 10, 2008

    I have the same tv, same problem. After on for a few minutes it shuts off. I would like to view your previous posting-where is it?

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  • Master
  • 4,234 Answers

This is a duplicate posting. I responded in the initial one. Please see that response.
Dan

Posted on Jun 02, 2008

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1 Answer

Sony FD Trinitron WEGA


Here's my suggestion , unhook all the external components to the TV and leave the TV unplugged for more than a few minutes (a day/overnight). The next day plug the TV into the wall outlet (not the powerstrip) without anything hooked up to it, and turn it on. See if it comes on. Sometimes unplugging for a few minutes/hours is not long enough for it to reset itself.

Dec 28, 2007 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Sony Trinitron XBR 36 in (TV control on Top Middle of set) (set-up / tv/video / vol / channel / power) when set is powered on the standby/stereo light Continuous blinks red once a second, no pausing -...


after 4 or 5 yrs EHT ( transformer that supplies voltage to CRT TUBE - TV TUBE ) becomes weak - then 1 of the indication is exactly as you have described .....after few seconds picture comes slowly & immediately (after few seconds). it gets off only red light blinks............ .......so solution is EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching TV --- this adjustment is very important ) ----------iam from bangalore ..since it is very risky job i suggest to contact TV service engineer ------- because they are highly experienced & can fix this component very easily. ------------ [[ sometimes along with EHT another component called transistor ( big in size - situated close to EHT - it will have 3pins - its size will be 1inch X 1/2 inch X 1/2 cm --approximately ---- black in colour ----- fixed to aluminium metal ) --- will also gets deffective --- so this component also should be checked ]] ---- in your case this transistor is good ... because when this component gets deffective then TV won't get '' ON '' .............so in your case only EHT should be replaced.........100% it works normally .....GUARANTEE....... vishnuswamy_4.jpg

Jul 24, 2011 | Sony FD Trinitron WEGA KV-36XBR800 36" TV

1 Answer

Sony trinitron xbr screen periodically goes black. The audio stays on but the video cuts out.


Sony sets have several protective circuits that blank the screen if something happens that might damage the picture tube. One of the more common causes is trouble in the vertical output circuit. Given the age of your TV (the XBR models have been around a while), this might also be a symptom of a picture tube starting to fail. Most of these sets have circuitry (called AKB) that adjusts the color drive signals to the picture tube to keep them balanced. If one of the colors is enough out of range the screen will blank. It might be the tube itself, or failure of some part in that AKB circuit. The set might also have defective parts in the input switching or video processing stages.

Unfortunately, I can't suggest any place you might look if you want to try repairing this on your own. This kind of trouble usually needs to be diagnosed and repaired by a professional TV technician who has the service information to track it down.

Hope this has been helpful. Thanks for using Fixya!

Feb 20, 2010 | Sony FD Trinitron WEGA KD-36FS130 36" TV

1 Answer

Sony xbr 27"


you do have a deffective crt

Jul 30, 2009 | Sony FD Trinitron WEGA KV-36XBR800 36" TV

1 Answer

Sony 36 Wega XBR Flat Screen - sudden death.


This could be a scan amplifier failure, and there is a loss of high voltage to the CRT. Part of the power supply may have also failed. In these sets, if the CRT emission goes low in emission, or the CRT goes defective, the bias supply to the CRT will go in to protect.

An experienced TV service tech can troubleshoot the set and give you an estimate for service. Considering the age of the set, the cost of service may not be worth it.


Jerry G.


Jan 08, 2009 | Sony FD Trinitron WEGA KV-20FS120 20" TV

1 Answer

Sony 36 in.tv


This is usually an indication that the picture tube is starting to fail. A short term "cure" is to increase the screen voltage a bit. This is done by opening up the back and turning the screen control on the flyback transformer clockwise slightly. The flyback if the large part with the red wire coming out of the top that goes to the side of the picture tube. Please note that you only have to turn this control slightly. Ity should be the top control on the two on the flyback. The other is for focus. Also note that there is extremely high voltage there (15,000V) that can be dangerous. If turning up this control resolves the problem, you have bought yourself time to find a replacement only.
Dan

Jun 02, 2008 | Sony FD Trinitron WEGA KV-36HS510 36" TV

1 Answer

TV picture


The way I see this problem is this: Your child probably did not do anything to cause this. If your picture comes in for a while and goes out you are likely to have a bad connection in the vertical deflection IC especially if the sound stays on all the time. If the sound goes out too then you have other problems or connections elsewhere. The connections can be inspected and once found resolderd on the solder side of the chassis. Someone with electronic soldering experience is recommended. Hope this helps

Dec 09, 2007 | Panasonic CT-36D32 36" TV

1 Answer

SONY 36 XBR SOUND BUT NO PICTURE


posible solution is adjust the screen to low.also check the trimer if it is working.check the resistor in the heater line...weng

Oct 30, 2007 | Sony FD Trinitron WEGA KV-20FS120 20" TV

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