20 Most Recent Sony KP-61V75 61" Rear Projection Television Questions & Answers

This may have a bad blue picture tube--these were known for this problem. If so, NOT worth repair.

The problem might be with its video output voltage. If you wish to get more details, check this link. http://electronicshelponline.blogspot.com/ Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window.

A older set------look to see if display comes on (channel number or menu) if not someone has to look to see if the filaments in the three picture tubes are lit or not.Several voltages : High voltage, screen voltage, filament voltage all go to the picture tubes.

Your tv is a CRT projection one - in which the image is generated by 3 small tv tubes. Because of that there can be 4 causes for your problem:
1 - the high voltage supply (125v) to the horizontal deflection unit from the power source is unstable - the corresponding components (capacitors and rectifying diodes) will have to be checked and replaced.
2 - the very high tension coming from the flyback transformer discharges before reaching the tubes - you will need to find the location of the discharge (it will be a small spark) and make the distance between the components larger.
3 - the cables that carry the signals and the power to the video board (the board in which the tubes are plugged in) have a faulty contact - current flows thru them, they heat and expand, the contact is broken, the current stops = the screen goes black, they cool and contract, the contact is made, the current starts to flow = the image appears and the cycle repeats. You will need to check them all .

Hi.

If the colors do not match and are out of focus, and if adjustment does not help, that means that you need to replace the two convergence ICs located on the G board.

Here a broad description of the repair needed

Here service manual for this chassis- scroll down page and click where it says Get Manual - Not logged in...at the bottom right hand side of the page.

You have the inevitable color wheel problem. The DMD module reflects the picture on to the color wheel which spins at a high speed of several thousand RPM. When the motor is damaged or the wheel itself is damaged you will have problems like the one you are having. You can get one along with the motor for under 200$ and not a very tough repair but its slightly tricky as getting it into the housing is slightly tough. A tv tech would charge you about 100$ for this or if you wanna do it yourself a service manual will be of mighty help. I will see if I got one if you want to DIY.

Sai.

I will forward a link to a page where you can get more information about this issue.

http://www.kb.sony.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=C399467

you should be able to find replacements at the following link and leaving a email at their contact us link and list your model and what you need they respond quickly.
http://servicemanuals.vstore.ca/

This TV has a few fuses and it not easy to troubleshoot it without the schematics, and is very unlikely that the convergence fuses will cause a complete no power on this TV.
What is the location of the blown fuse?
Where do I send you a copy of the service manual?

HELLO. I DONT THINK IT'S FROM THE SWITCH . I THINK IT'S IN THE SET.!!! SOUND'S LIKE YOU GREEN (CTR) IS STARTING TO GET CLOGED UP.!!! IT HAPPEN A LOT IN SONY & ZENITH SET'S .!!! WELL "GOOD LUCK"

HELLO . WELL THE DIFFRENCE BETWEEN THEM IS THAT THEY ARE TUNER'S AND THEY ARE SEPRATE FROM EACH OTHER.!!! JUST LIKE THE VHS TUNER'S YOU HAVE .!!! THERE IS THE PRIMARY WITCH .!!! WOULD BE (A) AND THEN THE SECONDARY WITCH WOULD BE (B) IT SOUND'S LIKE YOU NEED TO REPLACE THE AUDIO BOARD. OR THE (IC'S) ON THE BOARD. IT WOULD BE CHEPER TO DO. IF YOU KNOW HOW.? " WELL "GOOD LUCK"

HELLO.!!! WHAT MAKE OF SET IS IT . SEND ME THE MODLE# AND YEAR IT WAS MADE THANK YOU "GOOD LUCK"

It's probably a power problem--expect $200-$400 to get it fixed. This is not a do it yourself as there are extremely high voltages involved. A technician can come to your house for around $65 and diagnose the problem. Usually they can remove the board(s), fix them in the shop, then reinstall.

does the tv realy shut off or does the pic go away sounds like bad tube