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no power to lnb
Old 04-27-2010, 09:04 PM   #1
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I just purchased my MH and my direct tv system for my home. I put the receiver in the rv and hooked it up to the wall outlet to the satellite dish. When I cut the power on the response is "no power to lnb". I just happened to be taking the rv to the dealership and I asked them to look at it. They said that I had no voltqge coming out of the receiver and that i needed 13 to 18volts coming out and going to the dish in order for it to operate.I called DirectTV and they had no idea what I was talking about.
Can any one tell me how I can remedy this situation. The dish is a winegard model rm-9946

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Old 04-28-2010, 05:20 AM   #2
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Quote:
Originally Posted by mikeyrph View Post
I just purchased my MH and my direct tv system for my home. I put the receiver in the rv and hooked it up to the wall outlet to the satellite dish. When I cut the power on the response is "no power to lnb". I just happened to be taking the rv to the dealership and I asked them to look at it. They said that I had no voltqge coming out of the receiver and that i needed 13 to 18volts coming out and going to the dish in order for it to operate.I called DirectTV and they had no idea what I was talking about.
Can any one tell me how I can remedy this situation. The dish is a winegard model rm-9946
Hey Mike; I'm surprised Direct TV didn't know what you were talking about. The DTV receiver does power the dish through the coaxial cable. Unless you have a break in the copper wire running through the cable, then you must have a receiver with a bad cable connector. You should exchange the receiver for a new one. Did you happen to get a second receiver for an extra tv? You could try that one to see if it powered the dish.
Good luck
Ed

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Old 04-28-2010, 06:14 AM   #3
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Quote:
Originally Posted by mikeyrph View Post
I just purchased my MH and my direct tv system for my home. I put the receiver in the rv and hooked it up to the wall outlet to the satellite dish. When I cut the power on the response is "no power to lnb". I just happened to be taking the rv to the dealership and I asked them to look at it. They said that I had no voltqge coming out of the receiver and that i needed 13 to 18volts coming out and going to the dish in order for it to operate.I called DirectTV and they had no idea what I was talking about.
Can any one tell me how I can remedy this situation. The dish is a winegard model rm-9946
You likely are feeding the dish through a "splitter" which blocks DC voltages. If you are connecting the dish through the cable input, that is undoubtedly the problem.
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Old 04-28-2010, 06:15 AM   #4
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Quote:
They said that I had no voltage coming out of the receiver and that i needed 13 to 18volts coming out and going to the dish in order for it to operate.
I'd re-try the receiver back in the house to verify that it's at fault before concluding it's bad. "They" may not know how to properly test for the 13 to 18volts.

My hunch is that there's either a connection issue or a shorted coax. Maybe a stable was run through the coax when the coach was built? A quick continuity test with the receiver and LNB disconnected should clear up some questions.
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Old 04-28-2010, 06:41 AM   #5
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Study your receiver to TV connections you may just have them on the wrong jacks. You do need 18V to the LNB.
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Old 04-28-2010, 06:43 AM   #6
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If the receiver works in the house then it is putting out the necessary voltage. The LNB switch between the odd and even transponders by chancing the voltage supplied to the LNB.
The no power to LNB message almost always comes from a cable being connected incorrectly. Either you are attaching the wrong cable to the receiver or you are connecting the right cable to the wrong connection on the receiver.
Since your antenna is also quite old it is possible that you have a system failure someone as well but that would not be the message I would expect to see.
If you can't hook up to the house, there is a simple way to check your output voltage. Take a short piece of coax with the proper "F" connector at one end and bare wires at the other. Power up your receiver and plug this part into the Satellite In connection. You can now use a voltage meter to read the 13V and/or 18V.
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Old 04-30-2010, 09:29 AM   #7
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Guess what happened bow guys, I took the MV to the dealership to fix the jacks which would not let down and they hooked up their Direvt TV reciever to the system and it worked. I then called Direct TVand told them this and that sincethe system works with the Dealers reveiver then the problem hasto be in my receiver. She said not really it could be how I had mine hooked up. I told her that these people put satellite systems in RV's for a living and they also hooked mineup the same way as theirs. She said that they were or not trained in dealing with RV's I told her maybe she needs some training andthat that should pass that onto her supervisors. This is really dissapointing guys, I cancelled my cable that I have had for 25 years in order to get Direct TV and take it with me in my RV. I told the Direct TV "technical support, HA,HA" thesame thing and if they could not send me another receiver or remedy this situation I will cancel the 2 year contract no matter what the cost and go with Dish, to which I got no reply from the "tech". Ain't this a bunch of crap. Constanly getting the run around
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Old 04-30-2010, 10:08 AM   #8
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Just hang up and call again. It's a fairly typical response from an untrained tech. You should request to speak to the supervisor whenever you get that kind of a stupid response. The problem with moving to Dish as a solution is that they hire the same poorly trained techs and you can get the exact same results with them.
Did you ever check to see if your receiver was putting out the necessary voltages?
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Old 04-30-2010, 10:47 AM   #9
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When you call back try not mentioning that you're in an RV, just let them presume it's a stick house. It really shouldn't make any difference to them in diagnosing the receiver. When they hear 'RV' it's like a deer staring into headlights.
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Old 04-30-2010, 01:02 PM   #10
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There are 3 ways they wire the Entainerment system in RV's

1: No external coax inputs period
2: Park cable in.. This is NOT to be used for sat TV w/o modification
3: Both park cable and SAT TV in. (This one is rare)

Take a look at 2.. WITHOUT MODIFICATION it won't work

What do I recommend (or Winegard)

If you have a "Flex Video" type switch (many buttons) then simply run a new RG-6 line from the receiver to a handy basement or bulkhead connector (you will have to add the connector) mine is on the brake bracket under the hood.

Run the TV-OUT to the SAT IN on the switch box (NOTE: there may already be a cable there.. Find the other end of it, will normally be labeled)

If you have the wall plate with the round 12 volt outlet, switch, light and antenna connection then open the box (pull the face plate) Now, there are 3 or 4 wires hooked to the back.. With the cables coming off the BOTTOM they are:

ANT, Park Cable, TV 2 and optionally TV-3 (TV-1 is the front jack)

Remove the park cable. Hook TV-out from the sat receiver to this port.

Winegard says to extend this cable to the LNB in on the Sat Receiver

I would rather take it to Over The Air in and run new RG-6 for the LNB as stated above on the Flex Vision version.
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Old 04-30-2010, 05:22 PM   #11
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Originally Posted by wa8yxm View Post
There are 3 ways they wire the Entainerment system in RV's

1: No external coax inputs period
2: Park cable in.. This is NOT to be used for sat TV w/o modification
3: Both park cable and SAT TV in. (This one is rare)

Take a look at 2.. WITHOUT MODIFICATION it won't work

What do I recommend (or Winegard)

If you have a "Flex Video" type switch (many buttons) then simply run a new RG-6 line from the receiver to a handy basement or bulkhead connector (you will have to add the connector) mine is on the brake bracket under the hood.

Run the TV-OUT to the SAT IN on the switch box (NOTE: there may already be a cable there.. Find the other end of it, will normally be labeled)

If you have the wall plate with the round 12 volt outlet, switch, light and antenna connection then open the box (pull the face plate) Now, there are 3 or 4 wires hooked to the back.. With the cables coming off the BOTTOM they are:

ANT, Park Cable, TV 2 and optionally TV-3 (TV-1 is the front jack)

Remove the park cable. Hook TV-out from the sat receiver to this port.

Winegard says to extend this cable to the LNB in on the Sat Receiver

I would rather take it to Over The Air in and run new RG-6 for the LNB as stated above on the Flex Vision version.
Remember that the dealer installed another receiver and it worked.
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Old 05-02-2010, 10:46 AM   #12
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I know this sounds weird, but during system setup when I choose the "round 18" antenna", my receiver doesn't provide 12V to the antenna connection. When I choose the "Slimline 5 - 72.5" antenna option during setup, I can read 12V at the antenna connection and everything works, even on the single LNB antenna on the RV. Our stick house and RV have different antennas. I have the H21/100 receiver that I use in both places. Like I said, its weird but it works for me.
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got it fixes
Old 05-10-2010, 10:07 PM   #13
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Well after 4 weeks, and many calls to the smartest people in the world at Direct TV and trips to the MH dealer my wife fixed it herself. I was on the phone with Direct TV again and had to go back to work so I gave the phone to my wife and ask her to see what she could find out. She got fed up wiht them also and she decieded to call Winegaurd and just see what they would say. They say of course we can fix it, they asked for our phone number and after about 30 minutes a someone from technical support at Wineguard called her back. My wife explained the lengthy situation to the tech and the tech said that Direct TV has no idea of how to fix these type of problems. The problem was that my dish in the house is a oval dish and the one on the MH is round. The direct tv tech that set the reciever in the house wet the receiver up on a oval dish. The tech at Wineguard said all that needed to be done is to re program reciever to a round dish. They talked her through the process and within 15 minutes therwas power to the dish. It raised up and started searching for the satellite. Within 5 minutes she was watching Direct TV in the MH. I dont know if I want to keep changing or re programming the receiver when I take it back in the house and the again when I put it in the RV. So I think I will keep it in the MH and get another receiver for the bedroom. After all its just $5.00 a month
Thanks

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