This is a video about how to use Tvheadend with TBS tuner cards , hope it can help with some friends
Here is the link on Youtube:
TBS Dual Tuner:
https://www.youtube.com/watch?v=f5-b1w-4v_A
TBS CI Dual Tuner:
https://www.youtube.com/watch?v=8YAnJtHrTWw