Check on the cable connection between TV and cable box, secure tightly hook up. Then check input setting for HDMI - normally HDMI 1/2/3 , then "COAX" use channel 3 or 4/ You can also try to press arrow down button until you reach a channel. If you are using cable remote try to also check the input setting using original Tv remote control. Then try to powercycle the cable box and Tv conenction.
SOURCE: no picture just comes sound
sounds like the Backlight has failed, if you look closely at the screen you should be able to see the image changing, but as there is no back light there is no luminescense so it will appear black or grey, It is probably the backlight inverter or element that has failed, if this is within warrany organise with them to fix it for free,
SOURCE: LG RZ 37LZ55 37 in HDTV LCD Screen Dead
hi there, the lights indicate that you have no video signal. do some test. ty
SOURCE: screen went black no sound no picture when i turn
How many times red light blinks? It is error code of problem in TV.
There would be pause of 3 seconds between blinks so count from pause to pause and let me know to find out solution.
SOURCE: Power light comes on but no picture. Black screen
if the set appears dead ecept for the power light, unplug the power cord from the back of the set, wait two minutes, then plug it back in and try to turn on the tv. Doing this worked for me.
SOURCE: Westinghouse 32 lcd tv - no picture no sound - set
Reset the tv and the cable or satalite boxes,replug it back an hour later let the tv reset it self back to factory setting and the boxes upgrade it software.The tv should work now.Not,than yes.It the Tuner main board.
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