Question about Samsung PCN5425R 54" Rear Projection Television
At power on, the picture has a blue shadow. I used the auto focus feature several times. Red and Green are good, but when trying to set the Blue, the box is centered from the top to the bottom, but is slightly shifted to the right; and the line running from top to bottom is wavy. I downloaded the service manual, of course I'm not able to make much sense of it. I've read several answers about convergence ... and I do have a manual convergence feature. Any idea on something I can try myself? I recently had the power distribution board replaced.
Well now the convergence IC's need to be replaced. they are two black IC on a metal heat sink and they start with STK on them. If you dont understand the schematic, dont attempt this repair by yourself, as you have to unsolder the old ones and resolder the newer ones back in. Also you may have small fusable resistors that went out also if the iC shorted out. Also the heatsinks need heat grease on them. seek out a pro to assist you in this repair.
Posted on Sep 07, 2006
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