Question about Sharp Projection Televisions

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My Sharp model #60NP4 TV looks as if the colors are separating and there are two of everything in very poor color. How do I fix it?

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Very common problem i suspect convergence ics stk if you are a tv tech you could do if you can solder. the parts are located on the board near silver heat sink. parts are 30,00 part number are on ics A tv shop will charge around 300.00 to fix,


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Posted on May 18, 2008

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There is a wave in the picture only in the upper left hand 1/4 or the screen. The rest of the screen is sharp. You get the colors separated and thus double image.


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

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

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

Mar 23, 2010 | Hitachi 46F500 46" Rear Projection...

2 Answers

65" rear pro. Convergence IC Repair


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 18, 2010 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Test


Ballast Lamp provide back light in DLP TV and if its bad / broken TV wont power up. If lamp is weak, dark or less bright picture will come in screen. Color wheel is responsible for colors in picture and if its broke, TV wont power up and common problem with color wheel is high pitch noise while it spins.

Jun 12, 2009 | Sharp 65DR650 65" Rear Projection...

1 Answer

2 separate colors on screen


sounds like your convergence IC's have finally gone bad.. they seem to last 5 years on average.. have a look here: http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 19, 2008 | Sony KP-53V75 53" Rear Projection...

1 Answer

Picture fine for 10min.-then flickers(clicking sound)& then colors gone yellow


Looks like it's a color wheel problem-found a cleaning walkthru online, but it doesn't get rid of the loud hum form the CW motor. Also, it is thermal related-when the colors went out I placed a fan next to the color wheel and everything went back to normal. Several design flaws here and for $3000 these companies should do better-severe problems after a couple years is not acceptable.

Oct 26, 2008 | Sharp 56DR650 56" Rear Projection HDTV

3 Answers

PROBLEM WITH MY TV SHARP 56DR560


your problem is the color wheel. the load noise is comming from the color wheel motor. there is an article here on how to take the color wheel out. what you need to do it follow those steps and take the motor apart and clean it without breaking it and put thin high temp grease on the axle of motor and put it all back together. that will fix the loud noise and the fading of the screen. i know because i am an electrician and i fixed my shap tv. any questions just ask

Jul 06, 2008 | Sharp 56DR650 56" Rear Projection HDTV

2 Answers

Big Screen gets loud, mad and turns off


without a model number, i can't be much help. if this is a newer dlp or similar tv, the fan is probably going out. some newer tv's have a fan that is part of the light assembly, some have a separate fan.. the loud whirring noise is usually caused by bad bearings or the blades of the fan may have become unbalanced, either way, the fan making the noise will need replacing. the color going is usually caused by the lcd or dlp overheating and/or the lamp overheating.

if the tv is out of warranty, remove the back panel, locate the fan making the noise, and search for a replacement. if you have a model number, i can check around and see if i can find the part number for you.

hope this helps,
trin

Nov 19, 2007 | Projection Televisions

2 Answers

Warped Picture, Separated colors


Each color (red,green & blue) has an amplifier IC (STK-).
When there is a convergence issue,the first step is change both
IC's for reliability. Then check for open fuses devices,usually
pico fuses.Then re-check convergence alignment.......T.

Feb 07, 2007 | Philips 60PP9352 60" Rear Projection...

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