Only 1Your Signal levels are good. I have similar levels.
So issue can be loose connectors behind the box. See if its loose. How many connection u have BTW ?
Technican said the issue i face is common for those connections who use splitters/T connector
Its not prohibited, for Super LNB and HD DVR for some connections u need to use splitter.once a tata sky technician told me that splitters are officially prohibited to use at customer premises and that rascal charged me Rs 400 for this Rs 50 stuff.
Did u face such a signal problem that i have mentioned above ???