Question about Sony KP-51WS500 51" Rear Projection Television

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Help with parts

Where can I find the best deal on a blue replacement lamp for the Sony KP-51S510, I can't seem to find them at all.

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Try looking at : they are an authorized sony parts dealer.


Posted on Feb 10, 2008


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Lamp part number

KP-43T70 is a CRT based rear projector and does not use a Lamp like newer LCD/DLP projectors. It uses 3 (Red, Green, Blue) glycol liquid cooled CRT's (like the picture tubes of yesteryear) to produce the image/light as opposed to a Lamp.

Nov 27, 2013 | Sony KP-43T70 43" Rear Projection...

1 Answer

Sony KP-57WS500 fades blue, flickers, then shuts off. According to all similar problems I've read it seems to be a blue tube problem, however I would like to make sure. Also, looking for tubes doesn't seem...

Ok, I have a option for you--the set you have mentioned did have bad tubes---all of them--if picture comes on blue and then it shuts off there is one simple thing you can try---first the tubes are only available on a rebuild basis--means you have to remove the bad one and send it out of for rebuild--expensive.

If you want to know the simple option that may allow you to use the set---rate this solution here and I will tell you what to try--no parts to buy--just an adjustment-


Nov 04, 2009 | Sony KP-57WS500 57" Rear Projection...

3 Answers

Blue Screen

You have a bad blue picture tube. If you replace it the red and green will be weak and probably go sooner than you think. Everytime I had to replace a tube in a sony projo tv i had to replace all 3 picture tubes at the same time. It's very expensive if you don't have any type of warranty coverage.


Feb 10, 2008 | Sony KP-65WV700 65" Rear Projection HDTV

1 Answer

Kp-57hw40 flashes red, sometimes green, or blue and powers down

Focus block where the trimpots are that you turned down, appears to be suspect. Or it could be the CRTs themselves, but probability would say that not 2 out of 3 - and the third occasionally - of the guns would fail like this.

The FB prolly is leaking internally. It deals with HV all the time as part of its process. That HV could be breaking down the internal insulation.

I would replace it, re-set it up, and go from there.

Mr Bob

Feb 02, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Sony Grand Wega KDF-55XS955

You may want to check the bulb sometimes a piece of paper, foam or etc can overlap the lamp and cause symptoms such as your describing

Jan 22, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer


Needs convergence circuit repair...........
Requires replacement of soldered-in parts..............T.

Please rate this solution.......................

Sep 24, 2007 | Sony KP-53HS10 TV

1 Answer

Sony KP-51HW40 fades to blue screen

you need change the ic in the soket blue [video out]

Aug 15, 2007 | Sony KP-51HW40 51" Rear Projection...

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