We have a LG62SX4D tv. We also have it set up with the Bose home system. When we try to turn on the TV, the white light on the front of the TV, seems to be searching, but a picture never comes up. Sometimes the tv will just turn itself off after a few minutes. We can hear the cable through the speakers, so it would appear the cable connection is OK.
Ur tv have problems,etheir the Tuner signal board or the LCD inverter board.After u turn on the tv,no picture turn tv off/on 3-4 times each time wait a few mins.see if the picture come on?Than it ur Tuner board have problems.If u turn on the tv and get just a flashes of a picture about 30 or 40 sec.than just disappear,than ur LCD inverter board is the problems it dead.
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