LG 47LN5400 47" LED TV 1920x1080, 120 Hz. HDTV "turned picture sound flashing" Questions

picture and sound going out- flashing lights I turn on the tv- the picture and sound turn on as usual. But after 3 seconds the picture goes out, and about 5 seconds after that the sound goes out too. ...

...no picture or sound when turned on,just a flashing light. What does this mean? the flashing light is an error code count the falsh sequence and let me know how many times its blinking and I will ...

...picture and sound work.You have to unplug power cord for 30 seconds after stand by light comes on to get tv to turn on. turn tv on picture comes up 2to3 seconds later tv blacks out then stand by red ...

no sound no picture flashing red lite I have no sound or picture whith a flashing red lite try to put heat on the back of the tv with a hair blower and wait 30 sec then turn it on

No picture, no sound. Turn power on, but the standby light keeps flashing 5 times. alba 32in lcd no sound no picture stanby light flashing on / off.

...picture no sound opc light and power light sharp aquos lc-46d65u no picture no sound opc light and power light flash. This is very common in sharp tvs.U turn it on.U get power on light stable right?U ...

...sound nor picture. Replaced mainboard and now when I turn it on I get sound and the backlight and picture (blue screen) flashes briefly before going black again. When I turn it off then back on the ...

...red led flashes picture for about 4 second then stops flashing still no picture Maybe there's nothing to see! :) Actually, sounds like you may have a power supply issue. No easy fix there,

...the indicator light flashed on and off. There is no picture, or sound. Just black screen when the tv is turned on. micro chip problem it is damage.have a tech look on your set for repairs.good