Today i have tell you information for connect Signal Light connect in MPEG-2 Set Top Box card. Because when signal came in Set Top Box then Signal Light glow.
You Need a 3mm or 5V LED(Any Colour). I have give you connection diagram below. You can connect this light on your MPEG-2 Set Top Box card.
You can connect very easily according this diagram. When signal comes and signal locked then Signal Light is glowing.