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Our Samsung 23" has packed up.the picture and screen has nothing on it.the electric is getting through as the on/off light is illuminated.The remote causes the light to flicker but nothing happens.(no

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The main digital board has the fault. Visit the site named 'Electro-help' for more details. Click this link. View it in "Timeslide" option, which can be selected from the drop down box menu by the [Sidebar] tag, at the top left corner of the display window. It will make search easy. There are more than 1000 posts to different brand TVs now. Pull up older posts there.

Posted on Oct 27, 2012

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Posted on Jan 02, 2017

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Shuttle83
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SOURCE: No Video, No Sound

Hello, This might be a board with a loose connection or a faulty capacitor on the power board or one of the immediate circuits attached to the power supply board. I would suggest that you have this serviced by a qualified TV Technician. However if you wish to do this yourself, you need the following equipment: 1) Multimeter (to measure the voltages; AC and DC on the various test points on the boards) 2) Oscilloscope (to measure the startup and shutdown circuit ramp voltages) 3) Isolation Transformer (to isolate the Tv from the AC circuit that the test equipment is on) 4) Service manual or schematic diagram (to show where the test points are and what signals and voltages to expect) 5) Signal generator (to generate reference signals for servicing the TV) Now if you know how to use these pieces of equipment your are ready to start, if not again I would advise you to have the set checked by a qualified TV repair technician. I hope this helps Thank you, Shuttle83 http://www.electron-age-technologies-llc.com

Posted on Jun 10, 2009

  • 1779 Answers

SOURCE: Hi, Same Model Samsung

I hope you looked for any bulged capacitors on the power supply? If so then you must now check with the set plugged in find the 5V standby which will be labeled by the appropriate plug. If that is present then you have to look for the PO. when you've located that, with your probe on that pin, press the power button and see if it goes HIGH , usually between 3.8 and 5v. If that does not come up then appears you have a bad main board. You can also disconnect the plug going to the inverter board an see if the PO stays up, if it does you have a bad inverter. The only thing that is puzzling is that you had back light before. If you do all these things the last resort is your lcd display panel is bad the set is ready for the rectangular file.

Posted on Dec 08, 2010

  • 2 Answers

SOURCE: Screen is black even though the green light is lit

sound like you have some bad capacitors inside your tv take the back off and check them if capacitors are raised up on top they are bad

Posted on Sep 02, 2012

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