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Dell 23'' TV/Monitor has stripe of raster in screen, just to the left of center. Comes and goes, sometimes it's just wavy, sometimes it's completely black.

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  • wilkerbeast0 Jul 06, 2010

    @Ambari: Thank you very much for the reply. I forgot to mention that it is an LCD unit (2306, I believe).

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Check main power supply DC capacitor.If this becomes dry this wiil fault could be due to intermittent contact of the EHT at picture tube body. Other possible fa Remove and reconnect the EHT cable at picture tube end. Before attempting switch off T V. Remove all electrical plug connections. Wait for few minutes for the EHT to discharge. Ease the suction cup that is hugging the picture tube body. By keeping the circular flaps folded by finger try removing the folded pin clip that is on the glass body. Clean and re position the clip. Attach back the suction clip.

Take care high voltage present at picture tube even the TV is OFF and plugs removed.

Posted on Jul 06, 2010

  • Ambari Jul 07, 2010

    For LCD TV.

    You have to check all the DC voltages first. If they are OK , check for any loose connectors. Remove and re connect the connectors. SMD components can not be repaired without special soldering tools. Take the help of the service providier for further repairs.


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