Question about Samsung HLM507W 50" Rear Projection HDTV

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Samsung HLM507W 50 in. STK IC's

Hi! Ladywinn

I need your help for replacing stk ics on Samsung HLM507W 50 in. HDTV, please tell me the procedure. Also need to know wheather two stk 392-110s or stk 392-120s should be used or one each should be used? The TV turns on for half a min. with weird colors(red & green) and then turns itself off.

Thanks in advance.
Rylee Smith

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  • Rylee Smith
    Rylee Smith Feb 07, 2009

    Hi Ladywinn



    Thanks for your assistance.

  • Anonymous Mar 29, 2009

    Did the STK's or resistors help? I have the same problem.

  • Shahid Electronics
    Shahid Electronics May 11, 2010

    Are you trying to repair Samsung HLM507Wby yourself?

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  • Samsung Master
  • 5,138 Answers

STK-392-180s these are the best.Replace BOTH

Posted on Feb 07, 2009

  • ladywinn
    ladywinn Feb 07, 2009

    Also CK low ohm resistors 2.7 ohms near ICs.most of the time it will be 2 of them you need to replace.

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Samsung HLM507W will not turn on Alright so here's the deal....I got this TV for free from a guy on craigslist. He said he couldnt get it to turn on. He replaced the lamp, it still didn't work, so he gave up and now I have it. First thing I did was try and turn it on... The TV powered up for about 5 seconds, and then the screen started to flicker all kinds of crazy colors, and it shutdown shortly after with all 3 lights blinking. I figured this probably has to do with the color wheel, so I bought a new one and popped it in. Once installed, the TV started right up, and worked for the entire duration of it being on (approx 7 hours). Now it will not turn on. Here's the startup sequence: -Push power -A couple of audible clicks, and both cooling fans energize. -Lamp does not turn on, and after about 45 seconds of having just the fans running, the TV cycles off and tries to power itself back on. -Rinse and repeat about 3 times total. -After the 3rd attempt, the TV shuts down completely and all 3 lights start blinking in front. -Pushing power does not do anything with the 3 lights blinking. TV must be unplugged and pplugged back in before sequence can be attempted again. Looking for a possible solution/troubleshoot technique. Checked the fuses and they are fine, triple checked all of the connections. Seeing as the lamp doesnt even attempt to energize, Im thinking it could be the ballast, but I'm trying not to dump money into something that might not fix the problem. Thanks for your help!

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