Chosen Solution
hi everyone and unlike lgs motto,life is not good…my tv went total black but sound is opperational.when i turn on instead of the red standby light going to green, it now blinks 3 times and goes off.its on though as signified by the audio.i dont see the flash that some people report with led problems, just blackness..i tried the flashlight trick,but dont think i saw anything..any ideas where to start?im somewhat handy with electronics and soldering,but not with tvs as of yet,but ive been studying online and have some newly found basic knowlege..again any help is appriciated and thanks! PS model is 47LM4600
Hi @majestic976 , Start by checking the voltages on the power board to make sure that they’re all OK. Here’s an image (sorry about quality) taken from the service manual which may help.
(click on image to enlarge for better viewing) If it passes this troubleshooting chart, click on the service manual link and then select the “next page” (p.21) at the bottom of the page to continue on with the troubleshooting procedure.