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I have 2 recievers in 2 different rooms in my house. the one in the front/living room works great. the one in the bedroom doesn't work so good. on the one in the front room,the signal strength is strong on all transponders when I monitor them. the one in the bedroom,every other transponder has a strong signal strength,the other ones have no signal at all. I can only get a couple channels,on the rest of the channels,it says searching for satelite signal.They are both hooked up to the same dish. I made sure no tree limbs were in the way and the cable appears to be in good condition. what else could I check? how can I lock it into one of the strong transponders? every time I try to lock it into one of the strong ones,it just goes back to transponder 2,which has no signal. any suggestions would be appreciated. I installed this system myself 3 or 4 years ago,there has never been a service person here,and I would like to keep it that way
That problem usually indicates a bad LNB. Since, you say, one receiver works fine and the other is "bad" on every other channel, I would connect the "bad" receiver to the good receivers cable.
If the bad receiver is now good, connect the good receiver to the bad receivers cable. If the good one now acts like the bad one, you have a cable or an in line switch problem.
If the bad receiver is still bad on the good receiver's cable, the receiver is bad...
Call Direc tv. We had that problem and it was because the dish was on our roof and had became loose because of the crappy job the guy did when he installed it. they moved it to a pole on the ground and we have no problems
I also had this issue. You have a dual LNB at the dish. It is most likely bad(at least one side of it). The switch lead to recievers idea was the best suggestion. Do it and see if the problem reverses in as much as which reciever is bad. That will tell you if the LNB is bad. If no difference the reciever is the problem. One time the reciever was bad, another time it was the dual LNB. I finally wised up and ditched Direct TV and went with cable.
Hell - I ditched Direct TV and I was an INSTALLER!
A dead LNB is a DEAD LNB. It would be real odd for just one side to go.
Possibilities:
Bad or loose connection at the LNB (they weatherise the outdoor connections with rubber grommets for a reason).
Pinched wire - it doesn't have to be torn or cut to mess it up.
Bad reciever.
Bad in-house wire (one service call I went on, a Raccoon had got into someones attic and chewed up the cables).
Incorrect splitter module (not possible in this case, there isn't one).
Switch the recievers. If it is the same, trace the cables looking for bad bends or connections. Check the connections at the dish and at any connections outside for corrosion or looseness.
90% of "Searching for satelite" problems are a loss of signal between the dish and the reciever, not the reciever or the dish.
Greywolf, I admit I only had these two issues but twice it was a bad dual LNB, only one side went bad. Thats kinda funny that you say usually the entire thing goes, I believe you, but I had it twice. LOL, my kinda luck. I guess thats why the repair guy the first time wouldnt listen to me about the LNB. With me its always the oddball thing that happens.....
Weeell...
I did say it would be real odd, I can't say it would be totally impossible. Unlike the rest of the ladder monkeys at their tech school, I have an advanced electronics background and tore an LNB open to see what the circuit layout was inside.
Since the power for the LNB's comes from the individual recievers they could be seperate circuits.
Low Noise Block is a damn misleading term for them BTW, what they really are is an IF mixer and pre-amplifier.
I think its the dual LNB, I had basicly the same problem, The think it was a lightning strike.
I lost only 1/2 of the chanels on each LNB. The chanels not working were too weak.
PS the cable Girl put a single LNB and split the signal. Had only buy half the parts to fix it.
The installers get their dishes and LNB's for free. Installing a splitter costs extra (20 to 40 bucks a wack), whether the company pays the installer or the customer does.
Sounds to me like the "cable girl" made out on a service call!!!
They don't show schematics of 'em in the schools but it makes sense when I think on it. Each reciever being a power source, the two circuits would have to be isolated from eachother.
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