Are you sure where you are looking?
TP15 / 12478 H /27800 - 3/4
Info gives PIDS 1081/1082/1081
TVSN is rocking in with 94% Quality and stable pix.
My guess would be that since you were playing with the LNB, that Polarity/Skew is your problem.
Kindest Regards, " The Druid ".