Question about Samsung HC-P4752W 47" Rear Projection HDTV-Ready Television

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Last Time ok hopefully this is the last time i ask for help.. ok i can see the picture n the color looks fine . Now when i try to self focus because my picture is blurry it keeps saying check factory data? What does that mean and how do i fix it

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I have no idea..

Posted on Jan 30, 2008

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The picture is washed out very little contrast color is good focus is good


when was the set last serviced? This set uses a mirror and has three lens, if it has not been serviced in a long time it is dirt.

Let me know when last was "cleaned" inside. This is fairly easy if that is the case,

I am here to help;

SD TECH

Feb 10, 2011 | Hitachi 43UWX10B 43" Rear Projection...

2 Answers

Blue image is ghosting and not lining up with other colors. Perfect focus is on but with "no sensor data" message at top


The tv have a problems known as a convergene problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts on the tv convergnce board,must be replaced to solved the tv picture convergence problems.Can u do basic things like take things aparts and install another things into it placed?Yes?Try website like Tvrepairworld.com to buy a whole refurbish convergence board for the replacement.The DLP tvs Samsung/Akai tvs used the same convergence board.Or the shop,will cost u like $300-350 for parts and labors.

Jan 14, 2011 | Samsung HCL4715W 47" Rear Projection...

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I have a Hitachi Projection TV 51G500A 2004 ,


These sets have several common problems which are listed below.

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 - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find the fix here...

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

Apr 03, 2010 | Hitachi 51G500 51" Rear Projection...

2 Answers

Hitachi 43fwx20b Convergence Problems


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. 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, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links 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 - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Feb 25, 2010 | Hitachi 43FWX20B 43" Rear Projection...

2 Answers

Picture turns green ,usually within 10 minutes of turning it on.It will sometimes go back to normal color but generally returns to green.This happened when the set was much newer and Sony replaced all...


Green Tube maybe trying to short out or you can try adjusting screen drive to the Green Tube by turning control down a notch, Sony had a bad run on these with alot of Bad Tubes.

Dec 08, 2009 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Color tint of picture


check out this forum,,.
sounds like a convergence ic board needing to be replaced.
i did a mute183, to do a self focus in the service mode, which corrected my problem, but lost the self focus function without going back into the service mode so enter at your own risk.

Nov 28, 2007 | Akai PT4799HD Rear Projection Television

1 Answer

Picture Looks Like a 3-d Movie


This is bad convergence. Try self focus and if still not ok is hardware problem. The STK are leaked and need to be replaced. It's not easy, you have to remove the all deflection board and for sure you'll have some resistors to replace too. I sugest you to call a tech, but first try the self focus.

Sep 17, 2007 | Samsung HC-P4741W 47" Rear Projection...

1 Answer

Picture quality


Does the unit have a flash or auto focus function? Check your menu. Some of the newer projection TV's have a auto focus function that may correct the problem.

May 11, 2007 | RCA D52W20 52" Rear Projection HDTV-Ready...

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