vallin401

1.863

hace 5 años

friend you should review your lcd tv because the backlight you use is not ccfl if you really use that power supply you will see that it is LED and that you have to give an output voltage to the LEDs on the CNL802 connector of about 65 vdc . I upload its source in my previous comment and review it in red where it is put. Greetings

TobíasTv

13.721

hace 5 años

:)

Jfloone

2

hace 5 años

You are right vallin the TV is led m, I was confused, thank you very much for the clarification, I measure the output According to the scheme and it does not give me any tension, I guess because the LEDs must be connected, there is some way to check that Does the source work correctly?

vallin401

1.863

hace 5 años

good morning friend in the connector has five pins marked d +, s-, not connected, s +, d-. With everything connected and turning it on, check the voltages of the pins, it might come in protection with what I suggest you have taken when plugging in to see if it gives us voltages. But I would first check the LEDs, the normal thing is that one or more are in poor condition. if you do not have a device to do it without disassembling anything you will have to disassemble the screen but be very careful with the screen is usper delicate and very careful with leaving handprints after you will notice

vallin401

1.863

hace 5 años

Once disassembled with the tester in function diodes you can test the led by strips first and in case you do not give anything one by one until you find the one in bad condition. greetings and comment

Jfloone

2

hace 5 años

Disassemble the TV to watch the LEDs and it turns out that in one strip there were 4 bad ones and in another strip 1, I already asked for them and I hope that with this TV is ready thank you very much to all friends greetings from Spain.

vallin401

1.863

hace 5 años

You're welcome for the thanks. Greetings from Spain - Cantabria