Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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Just replaced lamp and picture has rolling color lines through it. What is causing this? This was happening prior to lamp replacement as well.

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  • tomd223 Dec 09, 2009

    I had a tech from a local TV repair shop tell me that the rolling lines are from a board going out. The boards are no longer available but can be rebuilt by Mitsubishi for $700 in 4-6 weeks. Is this the same thing you are telling me to replace the capacitators on.

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  • Mitsubishi Master
  • 5,138 Answers

Call Encompass Parts 1-800-638-3328 or visit their website online. it could be your DMD board or check DMD Fan if it is not running replace it also remove any and all dust and Dirt if you see any and clean off optical lense make sure none of air ways are blocked with dust or dirt.

Posted on Nov 16, 2009

Testimonial: "This gave me a place to start with. When going to Encompass though they don't carry parts for Mitsubishi products."

  • ladywinn
    ladywinn Nov 19, 2009

    Here are some more Places for you to try UED 1-800-648-6657 and call PTS 1-800-844-7871 Also Look on E-Bay I have found good prices on Parts that I need for TVs in shop for repair. Ck power supply for Bad capacitors 1000uf 25v most of the time their will be 4 of them replace all of them.

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1 Answer

How do I fix?


Probably the replacement lamp is not correctly aligned. HOWEVER, if the band is not on the bottom, but is surrounded (above and below) with good picture, the cause is in the RED color circuitry usually the 'convergence' section. This type of failure is often due to a failing electrolytic capacitor. Repair is problematic and may be in the integrated circuitry.

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it is not correlated with color wheel
you can do following these:
1,the interface between the mother board and DMD drive board
2,to clean the the interface with some alcohol
3,securely plugged
We supply original projector lamp,bulb,accessories,Lcd panel,Lens,DMD
chip,color wheel,motherboard,powersupply,ballast... with high quality and
competitive price.
any questions, feel free to contact me
have a nice day!
Jerry,Lampdeng Limited
skype:lampdeng

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Hi Fkanode.
The failure(s) in your TV is related to a part called light engine or optical block and Sony TVs are known for these kind of failures with the video showing with different colors or lines.
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