Question about Sony KP-46WT500 46" Rear Projection HDTV-Ready Television

1 Answer

How to replace projection lights in 42' TV?

My 42' Sony went completely red after being on about 30 mins.  I went in the back and feddled until I wasted liquid from the blue light.  Turned it back on and it showed a beautiful picture for about 4 hours.  Then went green.  Where can I find a blue light to replace the one in the back of the TV.  I'm sure that is the problem and my TV will work again for another 4 yrs.

Posted by mdmaxwell on


1 Answer


  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert who has answered 1,000 questions.

  • Master
  • 1,139 Answers

Hello mdmaxwell,

The CRTs are usually what they call a matched set, meaning if you replace one you should replace them all this is going to cost you about at least $400.00. The liquid you felt was coolent for the blue tube, by the way I hope you cleaned your hands after touching that stuff it is a kin to glycoalochol which is poison. I would suggest as a place to begin to look for the part or parts (I suggest replacing all three CRTs to manitain the matched abilities of the tubes).

I hope this helps
Thank you,

Posted on Oct 26, 2007


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Mitsubishi projection T.V

check the lamp first to see if intact or shattered.

Mar 31, 2012 | Mitsubishi Televison & Video

1 Answer

A large cracking sound, tv went out. Green light "on" button flashed off and red lamp light come on. No sound or picture

Lamp is broke in your tv, replace it to get tv back in working, lamp replacement is easy and user level job, details are mentioned in user manual.

Sep 28, 2010 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Changed lamp and TV won't turn on, power light flashes 3 times

Red light blinking 3 times shows problem with lamp cover.
Lamp cover is not fixed securely in your tv after lamp replacement. Lamp cover is first thing that was removed to replace lamp, check lamp cover and make sure its back in place properly.

Jul 17, 2010 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

42" red light on, dim light appears on screen. bulb just replaced

Sony has had alot of problems with the light engines
and your set is DLP. Call Encompass Parts Distrubtion for Part number and Price then go to E-Bay look under Electronics tpye in part number .I have found same Parts Alot cheaper on Ebay,some by as much as $300.00
you can Google website or call 1-800-638-3328

Mar 17, 2010 | Sony Grand WEGA KDF-42WE655 42" Rear...

2 Answers

Sony kf 50e200a screen goes black and sound turns off for min...

TV has gone into "protect mode" to do just that to protect against the damaging failure that has been detected, you will need a servicer to diagnose the failure. Good luck and Merry Christmas!

Dec 25, 2009 | Televison & Video

1 Answer

Tv will shut off and red light will flash 3 times

If its Sony KDF-42WE655 TV that goes to standby and LED blinks 3 times then check Lamp Door that seems not fixed properly.
That happens when lamp replaced in TV.
If its different model number TV, let me know exact model number.

Jul 19, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Lamp is out? according to the red flashing light..Sony Wega 42"

I replecd my own lamp form my wega sony 58" rear projection cost about 300 bux,,,just had to open the front lower panel iand replace the old lamp with new one sound like thats whats wrong with your tv...mine got darker pic over time then jsut went out one dya and the red light would just flash when I tried to turn it on....try it....u can order lamp on the sony web site juust give them yoour model number and go from therr...

Feb 26, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Sony KDF-42WE655

Bad lamp and/or lamp driver. Try replacing the lamp first.

Aug 20, 2008 | Sony Grand WEGA KDF-42WE655 42" Rear...

Not finding what you are looking for?
Sony KP-46WT500 46" Rear Projection HDTV-Ready Television Logo

Related Topics:

184 people viewed this question

Ask a Question

Usually answered in minutes!

Top Sony Televison & Video Experts

The Knight
The Knight

Level 3 Expert

76390 Answers

Muntejaya Ginting
Muntejaya Ginting

Level 3 Expert

10422 Answers


Level 3 Expert

13434 Answers

Are you a Sony Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides