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Samsung HL-S5679W No video No sound

I didnt think it had a lamp or ballast because it is an led tv also would that cause there to be no sound?

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  • mark pasley Feb 05, 2009

    if all three leds go bad would that cause there to be no sound?

  • mark pasley Mar 10, 2009

    I had a tv repairman come out and he said the led's were bad so I replaced them and it still didnt work. Then the company said they had replace the whole led engine, so they came out and did that still didn't work. So I just troubleshot it myself. The input power was good to main power supply board but the output to the led driver power board was bad so i inspected the card and found some bad caps. I read about this in some other posts and I changed 2 caps out earlier but I missed two others that went bad. I replaced them with the same caps that were in there but i hear they need to be higher voltage. Anyone know a good cap site.

  • thielectronick
    thielectronick May 11, 2010

    this might be answered on another thread.. all 3 leds = lamp failure

    in this case, LED lamp failure, or the LED power board.

    there are fuses that will blow on the board

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All 3 leds on the front panel blinking = lamp error.
if the tv doesn't come on, it may not put sound to the speakers.
you need to focus on the error at hand.. does the tv come up and appear that it is running and not turning itself off (shutting down)?
if it runs and doesnt turn off, then the audio matters, otherwise focus on the other problems.. you won't have audio on certain inputs, etc, don't use that to troubleshoot unless your tv is running and not shutting down.

Posted on Feb 06, 2009

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Replace Lamp,but CK to make sure Fans are running if OK then replace Lamp Mats Has them for 99.00
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I need to replace the bulb on my TV model # HL-S5679W. I can not locate the replacement number for the lamp. I have been unsuccessful with contacting Samsung and need help.


This model does not use a lamp----if the LED unit is bad you may want to just forget it---

Samsung part number for the entire optical engine:


BP96-01470BIt is marked as no longer available (2006 model) and had a suggested list of 495 exchange.

Google the above part number and you will find some places selling the engine---for much more than Samsung wanted.

SORRY TO GIVE YOU BAD NEWS---no replaceable lamp in this model----the LED light unit is part of the optical light engine.

SD TECH

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Apparently you can fix the issue by replacing a few faulty capacitors. I haven't done this yet, but plan to try it out next week.

http://www.bking01.com/Samsung_HLS5679.htm

http://www.avsforum.com/avs-vb/showpost.php?p=12845033&postcount=2060

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1 Answer

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Check the capacitors on the power supply first. If any have domed tops or signs of leakage, replace them. I had two go bad on mine. Call electronics parts supply stores first as these are not your average capacitors.

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