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LCD TVs - LED

Admiral Ad32-3313-LED Black screen with sound

pabloba38
hace 5 años
hace 5 años
Hi I have this LED TV I have taken the backlight but I can not turn on no diode I don't think they are all burned I tried to light One and nothing if you could help me how to measure these LEDs I would appreciate
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Meygil2017tecnico
hace 5 años
hace 5 años
Screenshot_2018-11-05-21-55-39.png [186.51kb] and I attached a LED tester .... test from the LED connector that goes to the source tergeta and see if they all turn on ... if there is one bad or several .. replace them ... you should do it very carefully with a hot season .... greetings
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pabloba38
hace 5 años

Hi Thanks for the circuit I am going to put it together and try

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wilson sepulveda
hace 5 años

friend that tv brings a controller circuit for the LEDs is like a small inverter, it is powered with 12 or 24v and also I must resivir an order of ignition from the microprocessor, I verify that they are going 12v and that when giving on they return the 5v to the pin baghligth on, regards,

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pabloba38
hace 5 años

Hello I have measured the tension that comes to the LEDs (it is a strip of 36 in 4 groups of 9 LEDs) to each group they get 65v but only for a moment, I will measure what you indicate and I thank you.

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pabloba38
hace 5 años

Ready, the fault was a backligth led, it cost me to change it, but I succeeded and walked out thanks for the help.

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Meygil2017tecnico
hace 5 años

I'm glad there solved friend congratulations .... if you allude, rate me as a solution ... greetings

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