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TVs

the led burned

cali.2014
hace 5 años
hace 5 años
hello friends I have problems with this TV le samsung model un40fh5303gcfv the problem was that it was heard but did not look had two LEDs burned it changed and blinked but did not light I noticed returned and had several LEDs burned more like 10 but I do not understand why I put them well the negative with the positive the only thing that I found a negative broken track I leave a picture of the track will be for that cut track that all other LEDs were burned From now on many fatty friends
Victor E
Victor E
65.783
hace 5 años
hace 5 años
for greater safety, change the complete strip of the same type as the one brought by the tv. control the supply voltage of the LEDs
cali.2014
hace 5 años

hello victor save that burned led from the other strips

Responder
Victor E
Victor E
65.783
hace 5 años

The driver source of LEDs is going to have to be repaired if you are not going to continue burning LEDs

Responder
felipe  antonio
hace 5 años
hace 5 años
companion. to check the source you can do the following.- if it is 20 leds it will be 60 vcd, each led is 3.vcd). the current will be 0.250 ma. you remove the LEDs and place a resistance of 240 ohms 15 w (based on ohms law). You can remove the LED strips and use resistors to check that they have their voltage and their amperage. You can even turn on your LEDs from another source while respecting their voltage and current and thus be sure that the LEDs are not defective. comment. greetings everyone. Felipe ascencio
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