Question about Samsung HL-R7178W 71" HDTV

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On my hls5679w the tv won't turn on and the lights all flash

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  • hammers37 Nov 27, 2008

    hello, i have the same mproblem with my samsung hls5687w. it intermittently turns fans on and right back off again. all three leds flash on power button and nothing more happens. i contacted samsung today and they suggest replacing the bulb. i had to inform them it is led and has no bulb! alot of help there! i bought this to get rid of lamp and color wheel issues i have had in past with my last 2 samsungs and now i am not sure what to do. I have heard of capacitor issues on some board on these models but cant seem to find any more info to help me on this matter. thank you

  • hammers37 Nov 27, 2008

    hello ,i posted a problem with my samsung tv not turning on and all led on button flashing. i posted wrong model number as mine is a samsung hls5679w. any help would be appreciated . thank you

  • jr9682 Dec 09, 2008

    I have this two year old Samsung HL-S5679W model, the whole screen just turn red then the picture completely disappear. Now the timer, led, and stand by temp blink at the same time...still no picture. Can anyone help. I have a Samsung tech. asking for $400.00 and up to fix it and he need to bring the tv to his shop to repair in which he charge $65.00 for diagnostic.

  • Astros2020 Mar 28, 2009

    Please help: I have a Samsung HLS5679W model 52" TV. Recently, when I turn the power on in the morning, it starts blinking all the three lights, then shuts off completely after about 5 minutes. When I turn off and on the power, it seems to work, similar to rebooting your PC. But, now it completely shut off. I can't turn it on. Can anyone help. I saw above from Solution 2, it could be a power supply issue, which is helpful. That gives me a good clue. Can anyone give me a suggestion, if encountered similar problem with this TV. I will v. much appreciate.



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HLS5679W has power supply issues. Two capacitors need to be replaced as Samsung put in units of the wrong voltage...
CM860 and CS860 need to be at least 2000mfd/25vdc radial (both leads come from one end) electrolytic capacitors. It is recommended to have a service tech do this you'll need to pull the power supply out of the set. Parts are cheap (Radio Shack for about $2.99 or so each) but you must be able to solder to replace...
Good luck!

Posted on Dec 11, 2008

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Change all 1000uf 25v and 1500uf 10v caps on power supply board.

Posted on Feb 19, 2009

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