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How to Troubleshoot the Standby Indicator Flashing on a dynex flat secreen tv

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It flashes to indicate that the power source is in protected mode - another component inside the tv has failed and now acts as a short so the source has closed itself to protect it and the rest of the tv. 
To find which part and replace it the tv must be opened and you should first look for faulty capacitors (bulging, leaking), they are the first to fail.  Next get power rails of the source tested - the one with the defective part will have a resistance close to 0. Finally test the rectifiers and the inverters from the TCON board.
All of this is a job for someone with electronics experience. If you don't have it then get a repairman.

Posted on Aug 01, 2010

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This is exactly why I tell people that when your set isn't working, you have to have it properly diagnosed. Chances are you have a defective main board. The power indication is an indication that you have standby power. However, the power indicator is controlled by the main board. So it is likely that your power supply is fine but you have an issue with your main board. It is not likely that your replacement power supply is defective as well, but anything is possible. You will need to have the power supply tested. If you are handy with a multimeter, I can help you with that.

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How to Troubleshoot the Standby Indicator Flashing on a Read more: How to Troubleshoot the Standby Indicator Flashing on a dynex tv


It may be sensing short circuits in the power supply or in the backlight inverter board. Need to do visual and voltage checking.
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
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx

Please post back what you find.

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Just go to the service center where you bought that tv ,cause its ,one year warranty period. just consult your tv to the costomer service personel.

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Tv went off while watching a program power standby red light blinks 6 times then pauses then repeats tried unplugging unit waiting a few minutes then replugged same results nothing. can anyone help me ?...


Here's an excerpt from the Sony Manual online. And the link - http://esupport.sony.com/US/perl/webtree.pl?template=EN&mdl=KDF55XS955&content_id=68&category_id=11&problem_id=52

The POWER/STANDBY (red) indicator flashes three times
If your power/standby indicator is flashing in a pattern of three flashes, this may indicates that the lamp cover is not attached securely. Follow the directions in the Operating Manual under changing your lamp that related to closing and securing the Lamp Cover. Ensure that the Lamp Cover Door is securely fastened by tightening each screw.

The POWER/STANDBY (red) indicator flashes continously
If your power/standby indicator is flashing continuously, and the lamp cover has been secured, your TV may be in need of service.

The POWER/STANDBY indicator is lit up green (not flashing)
A sustained green light indicates your TV is on.

The POWER/STANDBY indicator is lit up red (not flashing)
A sustained red light from your power/standby indicator simply indicates that your TV is in standby mode. This shows you that your TV is ready to be turned on with the remote.

Is it the power light and not the lamp light? If the lamp light is flashing then replace the lamp.

Apr 07, 2009 | Sony Grand WEGA KDF-55XS955 55" Rear...

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