I have to unplug my hdmi cable for 1 sec then replug it to get sound from my cable box. The image is perfect but

[jimraypar]

Sound prolems on tv , cable box connection. HDMI

 

[americanaudiophile]

Try a different input on the TV.
Try a different HDMI cable.
Try a replacement cable box.
Try reversing the order you turn on the cable box and select the input on the TV.