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Crumbtrail TV Forums: TV Equipment: Projection TV Forum:
Pioneer SD P4571 Blue and Yellow Shadows

 
 


Guest
Unregistered User
mschuma1@twcny.rr.com

Oct 27, 2004, 7:31 PM

Post #1 of 3 (992 views)
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Pioneer SD P4571 Blue and Yellow Shadows Can't Post
Just recently I started to get blue and yellow shadow flickering in the upper left corner of the screen. They do not stay long but continue to flash on occassion. It does this with cable, DVD, and DVR so I know its something with the TV. Any ideas which may help?



mikemaiertv
Enthusiast


Nov 3, 2004, 7:09 PM

Post #2 of 3 (968 views)
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Re: [Guest] Pioneer SD P4571 Blue and Yellow Shadows [In reply to] Can't Post
Many Pioneer's yours included have problems with there convergance Ic, some times just a simple resolder of the pins can save the Ic, we here replace the Ic for continued use, look for a huge Ic mounted on a heat sink on the board mounted just behind the speaked grill ( If this applays to your model and check for poor solder conections around this Ic ( STK4277 )
Mike Owens Lead tech Maier TV Spokane Wa


Fleebo
New User

Dec 7, 2004, 4:26 PM

Post #3 of 3 (893 views)
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Re: [mikemaiertv] Pioneer SD P4571 Blue and Yellow Shadows [In reply to] Can't Post
Hello I am having convergence problems as well

see below

I have a Pioneer SD P 4863 that has a blue convergence problem .When performing the convergence alignment the blue crosshair from the primary screen I have dual cross hairs below and to the right and cannot be adjusted. The words adj convergence are bowed. All of the alignments for the corners are incorrect and show double blue crosshairs with no crosshair at all in the bottom left corner. This of course shows up as a blue "ghost" when in normal play .Any assistance would be greatly appreciated as would a supplier of the parts required..

thank you in advance

 
 
 


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