Question about Sony KDF-E42A10 42 in. LCD Television

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Color in center of screen is dull. We just replaced the lamp, didn't fix the problem. 6" on right and left edges look fine. Any suggestions??

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Need replaced OPTICS UNIT
Manufacturer Sony Part Number A-1123-071-A Description OPTICS UNIT BLOCK

Posted on Feb 06, 2010

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Posted on Jan 02, 2017

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My magnavox 51mp392h rear projection tv has a yellowish color on both the left and right side otherwise the picture looks fine. recently replaced the convergence chips, which fixed that problem


Its the CRT fluid.
This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:


  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms

  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Feb 17, 2010 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Samsung HCN4727W Rear Projection TV, green screen, audio works


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai2_bing.gif,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jul 10, 2009 | Samsung HL-R4667W Rear Projection...

1 Answer

Color


If the tv looks now dark this is the first symptom of a lamp replacement (refer to the user's manual to do this job) and get a Mitsubishi original replacement.
the best picture setting (when the lamp is back of course) depends in the light of the room.
Now if after replacing de lamp and playing with the settings and the screen still pale, dimm, not enought color. a cleanning in the reflexion area is needed. (technican job)

Apr 12, 2009 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

My picture is dark and have changed the brightness


This model is notorious for needing a new lamp about every 2 years. The lamp is accessed through the front by removing the long plastic cover under the screen (it just pulls off). Under that, to the left of center, is a square cover with one grey plastic screw. Loosen the screw and pull the lamp assembly out. It should just slide right out. Turn it around and look at the lamp. If the lamp face or reflector looks "cloudy" or "misty". Replace the lamp with Philips part number TY-LA1000. Just Google the number and you will find them available for around $100

Mar 18, 2009 | Panasonic PT-43LC14 43" Rear Projection...

1 Answer

Blue instead of red colour afer replacing lamp in sharp xv-z2000


You didn't put your 3-D glasses on backwards, did you? :)

Seriously, if you are using the component inputs, be sure the three cables didn't get mixed up when you put the projector back. Otherwise, you might have an issue with the color wheel inside the projector, but I doubt it.

Dec 31, 2008 | Sharp XV-Z2000 Multimedia Projector

1 Answer

Mitsubishi WD-62525 Red Status Light After Cap Replacement


maybe this help you, let me know. good luck

ok here new tips on v26 chaiss cust install new oem lamp with led lamp just blink only many time install new balister still shut down no audio no hv at all come with code 34 for test turn out to be that in power supply ther caps that wher blow up 3300 mf at 16v two them c9a38 ad c9a36 both same also note c9a62 1000mf at 16v thru c9a52 ad c9a82 ad c9a61 all 1000mf at 16v install 63v at 1000mf all same with both 3300mf at 25v fix the set now turn on with great pix cust old lamp too dark for pic install new lamp pic better ad reset lamp timer all good cust happy that cust got from mist the power supply board from looking from back of the set on left hand side all way in front u hav pull whole dmb bd to get to it want lets yu guys know[john leyva american video service center ] the right model number is this WD52525 HIT BAD KEY THIS RIGHT MODEL NO WD52525

Sep 09, 2008 | Televison & Video

1 Answer

Colour misalignment and focus


Hi,

If you feel dull image and any yellow color problem you can change the lamp other wise no need to change the lamp.

There will be patten settings are there. so please inform service center service engineer will do this job.

Regards,
Prakasam

Feb 17, 2008 | Office Equipment & Supplies

4 Answers

MT830 Color Convergence (Blue Left - Yellow Right)


take a look here: http://www.extremetech.com/article2/0,1697,1049289,00.asp "... The others, however, have lost portions or all of their blue channels. TI's theory is that the shorter wavelength and higher energy of the blue light apparently causes the organic polarizing material in the LCD to get lightburn much faster. TI showed us a damaged LCD panel that controlled blue light transmission, and there was a large spot in the center that was apparently burned out..."

Aug 25, 2006 | NEC MultiSync MT830 Multimedia Projector

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