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No picture I have a Celestial GK23J9-C1 plasma television. I have sound but no picture. We have had visitors that touched various buttons to try to turn it on. Any solutions to get the picture back would be greatly appreciated.

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  • jfeil25 Sep 05, 2009

    Thanks heaps!!! We unplugged the power cord for ten minutes and then switched it on again and away she went.

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Try doing the following:

Use the source button to ensure that source is not set to the wrong input.

Try unplugging power cord for ten minutes, to ensure it is not a setting problem.

Check all the video cables at the back of TV.

Check Light /Color settings.

If problem persist and does not depend on external receiver or settings, then it is likely an internal fault.

If it has sound but no picture then one of the following parts is faulty, and must be tested and replaced:

The Sustain board may be faulty.
Ysus and Zsus boards have the function of sustaining voltage on the plasma display cells.
When a Sus board is faulty you can get no screen.
This is the most common reason for dark screen or no raster on plasma TVs.

Buffer board.
Usually faulty buffer board causes picture problems, or a line on display, however in same case this can also cause no picture.


The main controller board.
This is the board that controls the video signal, it is difficult to test, as there is need to read determined values on IC pins. To test this board you need to purchase a service manual and follow the troubleshooting diagrams on service manual.

Input/Output Signal boards.
This are the boards where you connect the video and audio cables, if a signal board is defective, then you may get no picture on particular inputs located on faulty board.

If under warranty contact the manufacturer ringing the number on the user manual.

If you want to repair at your own expenses, just locate any good qualified repairer.

If you want to DIY you find parts here,

All: Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

LCD/Plasma Electronic Replacement Parts: Plasma & LCD TVs, Appliances |

Posted on Sep 05, 2009

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