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I have a Samsung HL-T5676S 56inch TV, For some reason it wont come on once i press the power button. It will not come on then shut off, then i have to turn the power on again, I will have to repeat th

I have a Samsung HL-T5676S 56inch TV, For some reason it wont come on once i press the power button. It will not come on then shut off, then i have to turn the power on again, I will have to repeat this process for about another 10 times by the time it actually shows me a picture. Please Help

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You certainly have a power supply failure. Bad capacitors in the power supply can cause this.

Posted on Nov 26, 2014

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It's probably some problem in the TV, however it could also be some trickster around your home using a TV-B-Gone

TV Gone Universal TV Power Remote Control Keychain

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

budmrtn
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SOURCE: The tv will not turn on

Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Nov 14, 2009

  • 16 Answers

SOURCE: Picture & sound suddenly shut off. power light blinks red 5X...5X

http://www.sonya20tvclassaction.com/main/home.sfx MAKE SONY FIX IT

Posted on Dec 03, 2009

toolkits
  • 1099 Answers

SOURCE: My Samsung HL-T5676S Television comes on, then

Hi,
The power light may be flashing or if you are runing with a series light bulb it may be cycling on and off continuously. There may be a chirping or clicking sound from inside the set. (Note: using too small a series light bulb load during testing for the size of the TV may also result in this condition.)

If there is a low voltage regulator or separate switching supply, it could be cycling on and off if the horizontal output, flyback, or one of its secondary loads were defective.

Does this TV have a separate low voltage regulator and/or switching power supply or is it all part of the flyback circuit? For the following, I assume it is all in one (most common).

Some simple things to try first:

Verify that the main filter capacitor is doing its job. Excessive ripple on the rectified line voltage bus can cause various forms of shutdown behavior. An easy test is to jumper across the capacitor with one of at least equal voltage rating and similar capacitance (make connections with power off!).

Use a Variac, if possible, to bring up the input voltage slowly and see if the TV works at any point without shutting down. If it does, this could be an indication of X-ray protection circuit kicking in, though this will usually latch and keep the set shut off if excessive HV were detected.
Good Luck....

Posted on May 21, 2010

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1 Answer

Tv will turn on, for about 30 seconds, then it will shut down


Hello
There are two main reaons for this fault. The first is with its power regulator board itself. If it has any loose soldering points developed, this type of intermittent fault can occur. The second is with its light engine. If you want to do this work by yourself, you must have thorough knoledge in electroncis, and must have all tools and ability to follow its schematic diagram. The most you need is patience. If you have these all, and want to do the repairwork by yoursef, inform me. I've the schematics of your tV, and all repair adjustments and proceedings. The power supply board and lamp ballast boards for Samsung (HL-T) series are shown here for your referecne. The lamp ballast board also may need to be checked.

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The tv wont turn off without unplugging it


power button sticky ir remote sensor bad or dmd board problem most failures with samsung seem to be dmd board related if not the bulb or ballast

Jan 02, 2011 | Samsung HL-T5676S Television

1 Answer

My Samsung HL-T5676S Television comes on, then


Hi,
The power light may be flashing or if you are runing with a series light bulb it may be cycling on and off continuously. There may be a chirping or clicking sound from inside the set. (Note: using too small a series light bulb load during testing for the size of the TV may also result in this condition.)

If there is a low voltage regulator or separate switching supply, it could be cycling on and off if the horizontal output, flyback, or one of its secondary loads were defective.

Does this TV have a separate low voltage regulator and/or switching power supply or is it all part of the flyback circuit? For the following, I assume it is all in one (most common).

Some simple things to try first:

Verify that the main filter capacitor is doing its job. Excessive ripple on the rectified line voltage bus can cause various forms of shutdown behavior. An easy test is to jumper across the capacitor with one of at least equal voltage rating and similar capacitance (make connections with power off!).

Use a Variac, if possible, to bring up the input voltage slowly and see if the TV works at any point without shutting down. If it does, this could be an indication of X-ray protection circuit kicking in, though this will usually latch and keep the set shut off if excessive HV were detected.
Good Luck....

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1 Answer

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1 Answer

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i would try that first see if it work .. and if it doesnt post a comment on here and will get back to u ASAP =]

Please Rate Me

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1 Answer

Projection tv


Take it back, it will only get worse.

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