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Original thread:
Post 1 made on Wednesday October 5, 2005 at 10:33
Ernie Bornn-Gilman
Yes, That Ernie!
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December 2001
30,104
Heads up:

When you test signal levels on the new HD TiVo, it will tell you that you have good signal on LNBs B and C even if it is only connected to an old multiswitch giving you signals from LNB A. My client spent at least an hour on the phone with DirecTV the other day and they did not understand what was wrong.

He had an old Sony SAT-B2 and a 19" TV in his kitchen/dinette. He upgraded to a bright new LCD with a new HD TiVo. When DirecTV installed it, he had good signal strength on all three LNBs, but could not receive a single HD channel.

Backing up three years, he has a total of five receivers in the house. Back then, we had a hard time finding 5x8 multiswitches. He only had one HD receiver so we split the LNB A signals, running one half to a 3x4 multiswitch and the other half, along with the LNB B and LNB C signals, to a 5x4 multiswitch.

The kitchen was connected to the LNB A ONLY multiswitch.

The new HD TiVo, when looking at signal strength on this setup, did not notice when looking at the signal on LNB B and LNB C that it was actually looking at the signals from LNB A, so it appeared that he had good signal strength. But after checking strength, the setup process does another step which checks for dial tone and good signal on LNBs A, B, and C. THAT step could tell that there were really no signals coming from LNBs B and C, so they always failed and reset the dish choice to "round."

The tech who came to the house could not figure it out, and the techs on the phone could not figure it out. I moved the line to the HD multiswitch and everything worked.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw


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