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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

Problems with Direct TV satellite signal....



 
 
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  #1  
Old November 15th 05, 11:54 PM
amolao
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Default Problems with Direct TV satellite signal....

Ok first of all Im not trying to do anyting illegal, I had 5 diferents
Direct TV tech in my house to repair a dead sat signal in one of four
rooms....they will repair the line and after a week or heavy rain the sat
box will come up with "searching for sat signal..." message. I got tired of
calling and waiting and took it upon myself....plus the warranty is out by
now.. I found the the LNB is where the signal dies...now this a 3
"element" (???) LNB and I get the hispanic channels package and the standard
ones, just in case this makes a difference....

My first question, if one element is bad and there is 4 connections coming
out of the antenna going to 4 TV's and only 3 elements, how can one output
go out affecting only one TV???

second question, If I get a hold of another LNB should this fix the
problem??? IS there a special code thats inscripted on the LNB before it
connects to the sat, (as in security reasons or legality reasons...)?
The problem was in the antenna the whole time and the techs were lost ,or I
guess they didnt feel like climbing on my hot attic....


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  #2  
Old November 16th 05, 12:14 AM
kip
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Posts: n/a
Default Problems with Direct TV satellite signal....

So
"amolao" wrote in message
...
Ok first of all Im not trying to do anyting illegal, I had 5 diferents
Direct TV tech in my house to repair a dead sat signal in one of four
rooms....they will repair the line and after a week or heavy rain the sat
box will come up with "searching for sat signal..." message. I got tired
of calling and waiting and took it upon myself....plus the warranty is out
by now.. I found the the LNB is where the signal dies...now this a 3
"element" (???) LNB and I get the hispanic channels package and the
standard ones, just in case this makes a difference....

My first question, if one element is bad and there is 4 connections coming
out of the antenna going to 4 TV's and only 3 elements, how can one output
go out affecting only one TV???

second question, If I get a hold of another LNB should this fix the
problem??? IS there a special code thats inscripted on the LNB before it
connects to the sat, (as in security reasons or legality reasons...)?
The problem was in the antenna the whole time and the techs were lost ,or
I guess they didnt feel like climbing on my hot attic....



  #3  
Old November 18th 05, 01:43 AM posted to sci.electronics.repair
external usenet poster
 
Posts: n/a
Default Problems with Direct TV satellite signal....

I had 5 diferents
Direct TV tech in my house to repair a dead sat signal in one of four
rooms....they will repair the line and after a week or heavy rain the sat
box will come up with "searching for sat signal..." message. I got tired of
calling and waiting and took it upon myself....plus the warranty is out by
now.. I found the the LNB is where the signal dies...now this a 3
"element" (???) LNB and I get the hispanic channels package and the standard
ones, just in case this makes a difference....
My first question, if one element is bad and there is 4 connections coming
out of the antenna going to 4 TV's and only 3 elements, how can one output
go out affecting only one TV???


I have a two receiver system in my house and I'm not familiar with the
setup for four, but I'll take a stab at this anyway... perhaps because the
last poster was so rude. Keep in mind I'm guessing at some of this....
If there are four lines coming down from the LNB, it should be a simple matter
of swapping the "bad" one with a working one to see if the problem follows the
swap. If so, you know it's a bad LNB. Three satellites mean three feedhorns at
slightly different positions on the dish face, but all receivers have equal
access to all signals, right? That must mean all four dish outputs are the
same. So, there must be some sort of built-in splitter to feed those output
lines. One of the splitter outputs could be failing.

second question, If I get a hold of another LNB should this fix the
problem??? IS there a special code thats inscripted on the LNB before it
connects to the sat, (as in security reasons or legality reasons...)?
The problem was in the antenna the whole time and the techs were lost ,or


There are no security issues I know of with regards changing an LNB. The
hardware is yours, I assume. The problem might be a bad LNB (actually the
splitter) or one bad cable between the dish and the "dead" receiver that's
contaminated with water, pinched somewhere, or whatever. A line swap should
get you on top of what's happening before you plunk down any money for
replacement parts. Good hunting!

Ray
--

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