Question about Samsung HCN4226W 42" Rear Projection HDTV-Ready Television
The top 25% and the bottom 10% of the screen turns to yellow with an
arch. Therefore, only the middle of the screen with an oval shape has
somewhat the correct colors and it's "framed" with this yellow hue.
Also, I notice the image of the yellow regions repeats itself towards
the middle of the screen in blue. Unplugged the tv for couple hours,
replugged and turned on tv. The screen first look cured but the
discoloration appeared again in couple of minutes.
Reading from the existing posts, it seems that the convergence board(s) have failed and three replacement part numbers are called out (BP94-00155A, BP95-00142E, and BP95-00415B) to fix the problem. BP94-00155A and BP95-00142E look similar, so which one should I get? Or do I get the BP95-00415B? Or both?
Where is the fan?
Posted on May 06, 2008
If the screen looks OK after extended cooling is provided, you may just have a failed cooling fan.
Turning the blade with the power off will tell you if the bearings have failed or stuck, or just look at it with a flashlight to see if it is turning.
Check this first before you start replacing boards.
Posted on May 05, 2008
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