Question about Sony KV-36XBR450 36" TV

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Dynex TV Problem

So I turned on my tv and have sound but no picture. I read some of the advice that was already posted, however, I don't know if the bulb needs fixed or if I need to do something else.

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  • JimIE Jul 11, 2008

    Yes, I can turn the TV off and back on and all is okay. That is all I have done.

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  • 133 Answers

Try a "hard restart". which simply means unplugging the power cord of the TV, and replugging it after 4 hours have passed. This technique reprograms the electronics, to a certain extent.
You can also visit the manufacturer's website or call their tollfree number for problem solving info.
Hope these suggestions help you out.

Posted on Jun 30, 2008

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Posted on Jan 02, 2017

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1 Answer

Dynex DX-LCD19 TV


Main board fault. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

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1 Answer

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You may either poor 24vdc power supply problem or failing backlight inverter board, you need to check the voltages before and after the set acts up.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find

Jul 24, 2010 | Dynex DX-LCD37 TV

1 Answer

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It can either be the T-CON board or the main board, or LCD panel itself problem, you will need the scope to look at the signals feeding the T-CON board and the output of the T-CON board to narrow downth problem.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com

Please post back what you find.

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1 Answer

Dynex 32" tv picture goes black


If there is still about ? 24. Volts coming from the Power Board when it goes dark, it will be the Inverter board that needs replacing. If not, it is the Power Board that needs replacing. The Voltages should be written next to the sockets & plugs on the Power Board.

Jun 02, 2010 | Dynex 32 in. LCD Flat-Panel HDTV

3 Answers

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Dec 25, 2009 | Dynex 32 in. LCD Flat-Panel HDTV

1 Answer

Dynex tv no picture screen comes on and then goes black


There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc. Look for 5vdc, 12vdc, and 24dvc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

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1 Answer

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TV IS 2 YEARS OLD SAME PROBLEM AS ABOVE

Jan 04, 2009 | Dynex DX-LCD37 TV

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