Question about DISH Network 322 DTV Receiver
We have a dish network 322 rec. box that has been replaced once. You can watch one TV at a time but you can't watch both at the same time. The one that does not work says acquiring satellite signal. The old box did the same thing and was replaced. This one worked fine for awhile but it started messing up.
Does anybody know what it could be? Are the 322 boxes that bad?
I have electronics exp. so if anyone can help please let me know what it could be.
What you have is not too uncommon. It may take a bit to explain, though.
I would bet that you have at least one more Dish box in the house. I know this because that box is the one that is (more or less) causing the problem.
First things first: Go out to where the cables come from the dish and go into the house. You should find a ground wire that goes from the ground block to your power meter box. It should be a fairly heavy gauge, and it should be green. It is attached to a shiny ground block that should have cables attached to either side of it (or splits the cable in two to pass through it). If you do not see anything like this, you might want to look in your attic or crawl space.
If you still have not found it, then whoever installed your system is in direct violation of NEC, and is causing your equipment to mess up. Call the istallers and demand to have this potentially dangerous situation taken care of.
The Alpha box (the one in the house that does not mess up) is causing the 322 to lose its command of the dish LNB (the eye of the dish). This happens because there are stray voltages flying up and down the cable at frequencies that match the ones being utilized by the boxes, and since the system is not grounded (or grounded improperly), these stray voltages have no place to go.
This is the quick and dirty version of whats happening. The LNB might have to be changed due to damage from switching so fast for so long.
Hope this helps you...
Posted on Jan 10, 2009
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