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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Mirror image??


Hi:
Your problem is the convergence circuit, you need to replace the convergence Ic's there are two large black IC's mounted on a large metal heatsink. The part numbers are STK-392-110 replace them with the same part number or use STK-392-120 for better and long lasting.

Sep 09, 2011 | Panasonic Projection Televisions

1 Answer

My samsung rear projection tv has a problem with its convergence ic. i think theres two ics , but how do i tell which ic need replacing??


Always replace both once your going to the trouble each IC is usually less than $30.
This link will help show you what's involved.
convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

Nov 13, 2009 | Samsung HLR5067WX 50" Rear Projection HDTV

1 Answer

RED HORIZONTAL CONVERGENCE OUT.INSTALLED NEW STK 392 110.SAME PROBLEM


Please check does STK IC getting +22 and -22 volts supply to work properly, check pico fuses that might blew off / open, replace it and check.
Thanks.

Oct 29, 2009 | Toshiba 50H82 50" Rear Projection...

1 Answer

Convergence Problem


Hi, the "trick" to this is you don`t need the samsung part number because the stk 392-040 is actually made by Sanyo, call this number and you`ll get exactly what you need 1-800-575-9833 there in Orlando, Fl. and only sell original Sanyo stk``s which is what came in your tv, make sure you check for burnt resistors around those stk`s before installing and powering up your set with the new stk`s, video-tek

Feb 08, 2009 | Samsung Projection Televisions

2 Answers

Seeing triple red,blue,green


you have proble with the convergences ICs if the tree colors are at fault then also check your power supply voltages the polarization resistors

Feb 08, 2009 | Panasonic PT-53TW53 53" Rear Projection...

3 Answers

STK IC 392-110 Chips


am having stk 4392 amp board 2 channel, i want to change this two channel in to one channel. what modofication should i do

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1 Answer

Convergance- Red X will not move to make crosshairs white. Picture is doubled with red and blue. TV is a 55 in Mitsubishi VS55601.


Hi,
This problem is related to the Convergence controller IC called STK.It must get malfuntioning replace the STK IC with the same numer IC. But one thing is importent that there must be two IC STK's and you have to change both of them.
Thanks

Oct 11, 2008 | Projection Televisions

1 Answer

Convergance problem


vin, board replacement is BIG bucks, IF it`s available, convergence IC`s are located on a large silver colored aluminum heat-sink, on the board they will be marked IK04 & IK05, they are probably STK 392-110`s or STK 392-150`s, those 2 will have to be replaced, check all of the low Ohm resistors lined up in front of the IC`s for dis-coloration, replace any that look slightly burnt with the EXACT rating or the new IC`s will fry, if you have questions e-mail me back, If you are not proficient at soldering & un-soldering and if you don`t have a good voltmeter, don`t attempt this repair yourself, BMW Rider

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1 Answer

Convergence IC


Yes, you can, but the -010 is the weakest IC and may not last long. I always use the -020 IC and never have problems.

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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!

Jan 21, 2013 | Samsung HLM507W 50" Rear Projection HDTV

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