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45 posts

Geek
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Topic # 29698 15-Jan-2009 18:23
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Hi all,

I was wondering if I could ask for some assistance, I've had no luck hunting for one of these myself!

We have moved in to a place with a Sky dish and we connect it to our Freeview box.  This was working fine for a few months and then we stopped getting some Freeview channels.  After testing the Freeview box, the cable, the dish, the TV, etc, we believe it is the LNB that is faulty.

We bought a new LNB and we are now looking to install it onto the dish arm.  Which is where things get tricky.  The difficulty we are having is that the existing LNB is one of those old dual-throat oval-headed LNBs, and they have a 23mm neck.  The new LNB has a 40mm neck.

So we are looking for some kind of holder or bracket or connector (I don't know what term is accurate) to mount the new LNB onto the dish arm.  And ideally not pay very much for it, since this seems like a simple thing to do!  (But I'm thinking I could be wrong...)

Has anyone run into this situation before and found a good product or come up with a good approach?  Any thoughts appreciated!

Many thanks!

CJ

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553 posts

Ultimate Geek
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  Reply # 189879 15-Jan-2009 22:00
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I'd find it hard to beleive if the dual throat LNB is faulty, they are the latest ones out (AFAIK) as I haven't struck any faulty ones yet. More likely that the dish and/or LNB is misaligned or objects (trees etc) are in the way or cabling fault or just reset your receiver and retune the channels.



45 posts

Geek
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  Reply # 189910 15-Jan-2009 23:54
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Hi illicit, thanks for your time and thoughts.  Like you, I'm not sure that it is definitely the LNB, but it is the next thing we need to test.  We've tested the Freeview box somewhere else (worked fine), we've brought a Sky decoder to our place (worked fine) and the current Freeview box *does* receive some Freeview channels, which seems to indictae that the dish and cable and Freeview box are working OK.  So potentially it could be an alignment issue, however we've had two satellite techs to the house and they would hopefully have picked that up!

As I say, the LNB is the next thing to test, which is why we're after any ideas on if it is possible to mount this OK on the Sky dish arm.  (In the short term we'll be doing a "just hold it steady while we see if it fixes the missing channels" test before worrying about attaching it properly, but I'm looking on the hopeful side tht this is the issue and we will need to mount it fully!)

Oh, and I may be mistaken about calling it a dual-throat LNB, I don't know much about these, it certainly doesn't look that new.  All I know is it has two slim 23mm diameter necks and an oval head on it.

CJ



45 posts

Geek
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  Reply # 190218 17-Jan-2009 19:05
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Well, we've confirmed that the issue *is* the LNB - installing the new one with a bit of duct tape has resulted in us being able to view all channels!  Yay!

So the remaining issue is as originally described: does anyone know where we can get an LNB holder that will mount an LNB with a 40mm neck onto a satellite dish arm that used to hold an LNB with a 23mm neck?

CJ

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