Question about Samsung TX-R3079 Television
I tried to turn on my TV tonight and the stand by lite went out and now I cannot turn it on by the main button on the tv or by the remote. I checked the plug and there is power. Is there a lock on it that we might have enabled by pushing the wrong button? (That pushing the wrong button thing has happened before, but I was always able to remedy it)
Thanks for any suggestions or help!
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Posted on Jan 02, 2017
I would suspect a problem in either the backlight assembly, or the power supply that drives it. If it's the power supply, the part may be over $100.
Posted on Jan 18, 2007
I had the same problem. I live in NJ and called the local authorized "service provide" listed on the Samsung website. What a joke. Quoted $350 just to show up, never showed up. So I opened my own TV. Took off the plastic back (10 screws) took off the large metal RF shield (12-14 screws) and noticed a blown component. The markings on the component were KL15L and it is apparently an NTC Thermistor. Obviously it got fried and not knowing if there was other damage I decided to set out to replace the entire Power PCB Board Assembly and not the component. There were two part numbers on the assembled board (BN97-00457E & BN94-00622E). After searching online I also found a suitable replacement number for these (BN96-04896A). I found two places who claimed to have the part or have it on order (shopjimmy.com and vancebaldwin.com). After placing orders with both and having neither come through, I broadened my search and found out that the LNR409D was basically the same model as my LNR408D so I looked for its Power PCB Board Assembly part number which turned out to be BN41-00521B. Google search for that part number showed the item available on ebay. I bought it a week ago (ebay 260311519904) for $144 plus $12 shipping. I removed the bad board an hour ago (6 screws about 7 connectors) installed the new one, plugged in the connectors, replaced the covers, plugged in the TV... AND IT WORKS!
Suggestion: If your TV is out of warranty then open it up (what have you got to lose) and see if the problem is obvious and maybe something you can fix (replace) yourself. The parts, spare boards, etc. are out there if you look.
Posted on Nov 16, 2008
SOURCE: does not turn on
u have a problem with the power supply , if u open the tv u would see a blow capacitor normaly 1000Uf at 10 v or 2200uf at 10v , this cap is where is the conector for the signal board
Posted on May 01, 2009
yes my friend check the capacitors in the power supply. some techs call them pregnant capacitors
open the set carefully and check the power supply.always remember to unplug the set before you do anything.
Posted on May 12, 2009
I had the same problem with a 52" Samsung LCD. I found 2 electrolytic
caps with bulging tops on the power supply board. (see pic). I looked
to be the 5v section but I'm not sure. I got replacement at Fry's for
$1.90 each. All is well!
Posted on Jul 21, 2009
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