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My Digihome tv switches from TV to BDMI without any prompting How do I stop it

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  • Televison & ... Master
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Do a hard reset to this TV, and then check. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/

Posted on Dec 15, 2019

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6ya6ya

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SOURCE:

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Posted on Jan 02, 2017

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Chi Chu

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SOURCE: When tv is off, after some time standby light

The problems u describing are causes by the tv power supply board.That the board,where the power a/c cord plug into it.This tv is brand new take ur warrenty repair for the power supply board or take it back where u bought it get a tv replacenent.

Posted on Jan 03, 2011

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walesarumi

Walesarumi

  • 6993 Answers

SOURCE: Digihome 1996wd tv blue standby light flashing and

Hello,

The issue you describe is consistent with a power supply board issue. This is the board where the AC goes to. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.

The TV is receiving current but cannot circulate or transfer the current to other necessary part of the TV because of the defective power supply board. You might be lucky it's just a blow fuse. Also a defective transformer can cause your TV not to power on.

All these can be checked on the power supply board.

But more often bad capacitors causes problem on the power supply board. I do not think the power board needs replacement, rather those defective capacitors is causing this issue. Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.

The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)

You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.

What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).

You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored. Or you can by a refurbished complete power board to save you some stress.

Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you. Also, note that TV stores a lot of current, so wait a while before opening the TV back cover.

I hope this helps.

Regards.

Posted on Jan 04, 2012

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