Samsung LE40M86BDX/XE TV Power On Issue

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cynthia92 Posted messages 298 Status Member -  
 jeanostre -
Hello,

I own a Samsung LCD TV model LE40M86BDX/XEC.

Normally, when you turn it on, the red LED blinks 4 or 5 times, a small sound occurs, and then it lights up.

For the past few days, when we try to turn it on, the LED blinks at least ten times accompanied by the small sound

which is not normal.

What problem could this be, and what do you suggest we do?

Sincerely.
Configuration: Windows Vista Firefox 3.5

94 answers

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  1. Fredo
     
    I confirm that by changing the 4 capacitors, the TV is working perfectly! I'm super happy!!

    Here are some details on the characteristics of the capacitors to be replaced (they're all the same):
    * 1000 µF
    * 10V polarized (meaning there's a + and a - to respect, like the direction of a battery) - be careful with this, there are 3 in the same direction and 1 other in the opposite direction
    * radial (meaning 2 legs downward)
    * aluminum electrolytic (or "chemical")
    * diameter 10mm
    For your information: height 16mm (standard for 10V, and it doesn't matter if +/-)

    * indicative price: €0.20 /unit

    So the repair cost me: €0.80 + a bottle of white wine that I gave to the colleague who did the soldering for me.
    For your information, it's the kind of soldering that anyone can do if they've soldered 1 or 2 times in their life, but I preferred it to be done properly, and that's his job....
    Otherwise, to do it yourself you need a soldering iron, a soldering iron stand, solder, and a cutting pliers (it costs about €30 for a basic soldering iron).

    Note 1: in Google, if you type "samsung LE40R73 won't start," the first site you should land on is a forum on futura. In there, there's a photo that clearly shows the part of the power board in question and the bulged capacitors

    Note 2: I work in an aerospace electronics company and we prohibit the use of the brand of capacitors in question because they are known to be unreliable.

    I hope this can help some people get started on repairs under good conditions.
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    1. luc
       
      Hello Frédo,

      I am encountering exactly the same problem with my SAMSUNG television for a few days now... And it's no longer under warranty! I'm not very handy, and I'm a bit apprehensive about disassembly, soldering, etc... I live in Toulouse, could we arrange to do the same repair for a financial contribution, of course? Thank you for your response!
      Luc
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    2. Piaf38
       
      Hello,

      Just to let you know that I had the problem. I changed the four capacitors and it's working again.
      Just to clarify, I only found 16 V ones, but it works just as well.
      Cost of the operation: 40 cents.

      Thanks to everyone for your advice.
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