Question about Sony KDS55A2000 55" HDTV

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TV came in dead. Replaced lamp. TV came on . Picture very good with exception of NO Blue. Replced DMD board in light engine. Same problem, NO Blue.What have I missed?

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What kind of picture do you have Like a green and red picture ?

Posted on Nov 09, 2010

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Posted on Jan 02, 2017

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2 Answers

I just replaced the lamp on my Samsung HLS5087 and now the TV won't power up. The 3 LEDs are lighting which indicates that the lamp needs to be replaced. I put the old lamp back in to make sure there is...


Hello,


Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.


I hope this will help to solve the problem,,,,

Dec 06, 2010 | Televison & Video

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The power swith will turn it on and off by itself. Won't stop


This tv have a colors wheel.U hear grinding noises? Picture flickers black&white.That the indication the colors wheel is dead,need a new colors.U have Lamp LED front Lit up or flashes?That mean the projection lamp life is over,require a new projection lamp.U hear alots of clicking sound?That mean the Ballast board is dead,this board help to ignite the projection lamp.

Jul 10, 2010 | Samsung DLP HL-P5663W 56" TV

1 Answer

TV wont turn on


a bad power supply is most likely cause of this. Other possible cause is bad main circuit board.

May 03, 2010 | Samsung HL-S5086W 50" HDTV

1 Answer

I have a panasonic pt-60dl54, the sound works but green picture


Hi,Yes your problem sounds like the DMD board.This is how it works: http://electronics.howstuffworks.com/dlp1.htm Basically the light of the lamp goes through a tunnel that carries a color wheel(rotating disc with a gamma of colors that creates the colors on your tv)then the light of the lamp goes through the DMD board which is a chip composed of around 2 million pixels that creates the images and colors.When it starts to fail it will create black bars,pixelation,color distortion or white dots on screens.You will need to replace the DMD board. Have a blessed one!

Apr 13, 2010 | Panasonic PT-50DL54 50" Rear Projection...

1 Answer

Samsung HLP 4663W DLP TV


If you have already replaced the lamp and ballast, to no avail, then it is time to take it in to a certified repair center.  Most will charge a nominal diagnostic fee.  My 61" did the same thing and it turned out to be the Light Engine (of which the DMD Board is a part).
If the problem were the color wheel, the lamp would come on for a bit until the color wheel sync couldn't be achieved and then it would turn off.  The all-3-flashing-lights problem is the lamp.  Here is a page from the service manual on the 3 blinking lights problem.  
The Light Engine controls the ballast via a separate signal than the 320 Volts.  The voltage reading means that the Power Board is working properly.

Jan 22, 2009 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

DLP Colors Are Off - Picture Is Mostly Blue and Yellow


Sounds like you've lost your red video signal (chroma) somewhere along the line. This tv has a 3 board video path. Analog main pcb --->Digital main pcb --->DMD pcb. The analog has all your inputs on it, except DVI and RGB which go straight into the digital board. The digital scales (upconverts) the signal to HD (1080 or native) and sends it to the DMD or light engine. See which inputs are distorted. If only DVI is clean then you problem is the analog board. If you menu and everything is distorted then suspect the DMD board. If you run component or DVI through the resolutions (480i, 480p, 720p, 1080i) you can get an idea between the digital board and dmd. The menu is generated on the digital board. Somewhere red is getting lost.

Dec 08, 2008 | Samsung HLN5065W 50" Rear Projection...

2 Answers

T.v. will not turn on. flahes "lamp" then no picture!


This will have to be narrowed down to a specific problem. I would try the easiest things first. First check the lamp. Is it bad or just starting to go bad or does it just need to be reseated with the ballast? If the ballast flickers when turning on your TV, then you will know it is the lamp that is not working or the ballast may need to be replaced. If that is not the problem next check to see if the color wheel is spinning or broken. If broken, it will need to be replaced. If not spinning it is the DMD board that is bad. The color wheel is plugged into the DMD board. If the DMD board is good it will spin the color wheel, that is what will start your lamp. When you lamp starts, you have your picture.

Mar 23, 2008 | Samsung HL-R6167W 61" HDTV

2 Answers

Mitsubishi WD-62525 DLP has no picture


Here's something that might also be useful. After you turn on the set, and get the regular red blinky lights, hold down the Device and Menu buttons together for about 5 seconds.
The Power light will start to flash in a two digit sequence.

For example, 3 flashes, then 7 flashes = 37.


Here are the error codes, and the corresponding problem:

12 = No error detected, check power supply.
32 = Lamp Cover is open.
33 = Air filter cover is open.
34 = Lamp abnormality
36 = Light Engine (DMD or Lamp Fan stopped)
37 = Exhaust or Lamp Ballast Fan stopped
38 = Lamp Temperature High
39 = DMD Temperature High
41 = Short is detected
44 = DVI cable between FMT and Engine disconnected

Feb 03, 2008 | Mitsubishi WD-62525 62" Rear Projection...

3 Answers

Sound but no picture


there are several things that need to take place for the lamp to turn on. first the color wheel needs to turn on ( if you can hear a whinning noise then this is fine) next the tv will send a signal to the lamp ballast to turn on, and the ballast needs the 130v dc supply from the power board ( simoly remove the lamp and reinstall the lamp door, turn tv on, and if you hear an arcing noise from the ballast you know this is fine too. the board that controls all of this is the dmd board. so if the color wheel works, ballast starts then i would replace the dmd board....

Oct 24, 2007 | Samsung HLP5085W 50" Rear Projection...

1 Answer

Random, intermittant blue lines


Here's something that might also be useful. After you turn on the set, and get the regular red blinky lights, hold down the Device and Menu buttons together for about 5 seconds.
The Power light will start to flash in a two digit sequence.

For example, 3 flashes, then 7 flashes = 37.


Here are the error codes, and the corresponding problem:

12 = No error detected, check power supply.
32 = Lamp Cover is open.
33 = Air filter cover is open.
34 = Lamp abnormality
36 = Light Engine (DMD or Lamp Fan stopped)
37 = Exhaust or Lamp Ballast Fan stopped
38 = Lamp Temperature High
39 = DMD Temperature High
41 = Short is detected
44 = DVI cable between FMT and Engine disconnected

Oct 10, 2007 | Mitsubishi WD-52725 52". Rear Projection...

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