Good night please can you help me with the diagram of the LG TV model 32ln570b or advice for repair of the mianboack card ........ This TV does not turn on when the power order is given only by titling or flashing the Led from stanbay and discard the source and the LEDs are ok my problem is jeneral where the mianboack card would be grateful for the collaboration on this subject god bless you thank you very much