dual lnb problem - Techwatch Support Forums: Digital & Satellite TV, FTA, Cable, Computers, Mobile Phones, Apple and General Tech Forums

villain · 09-02-10, 11:10 PM

i have 2 dish's and both have dual lnb, which ive connected to two box's, at times hd box works fine but when watching channels on downstairs box specialy v channels ( vertical ) i get no signal on my hd box specialy veritical channels? i get tune failed on my hd box, please can someone help me

thanks

Robbo · 09-02-10, 11:42 PM

By swapping boxes to try and find out whether you have a box problem or dish/LNB problem,

If it is a Thomson HD or Sky+ box, check that its not one that has dodgy caps in the power supply.

villain · 09-02-10, 11:45 PM

i have 2 box's one is tm9000 s and other is dm800 hd and im using mti quad lnb's

kerrywez · 10-02-10, 11:58 AM

Hi it is a bit difficult to understand what you have got and what is connected to what. I assume that you have the TM connected to one dish and the DMM to the other, if that is so then I can't see why one box would affect the operation of the other. If, on the other hand, you have one box looped through to the other then there might be some problem with it then. Can you please give us some more detail on the exact way you have your boxes set up., because if you have the boxes looped through to each other then the first box to receive the signal will hog the signal and the second in line will not be able to operate as it would if it were getting a separate feed from another dish. You say you have quad LNBs if this is the case then try the coax on another terminal and see if that helps.

Regards Wez

villain · 10-02-10, 01:16 PM

okay thanks for replys guys..

okay i have 2 dish's , 1x hotbird with quad lnb and 1x skyuk dish with quad lnb, 1x hotbird and skyuk each cable comes out of each lnb and conects to splitter and to doownstairs box, and 2nd cable comes out from each lnb and into splitter and to box upstairs , i have 2x box's downstairs tm9000s and upstairs dm800 hd so when watching certain channels downstairs i get tune fails on my hd box upstairs...

kerrywez · 10-02-10, 01:45 PM

Hi, got to be something to do with the splitter, I have never used one and not that sure that they would work too well, but some of the other guys will know what the score is with them.

Regards Wez

villain · 10-02-10, 03:05 PM

okay , hope someone can help me

eurofan · 10-02-10, 03:27 PM

Triax splitter any good?

I just wonder if this previous thread has any bearing on your splitter arrangement?

Jimdefruit · 10-02-10, 03:33 PM

I dont understand what you mean by a splitter.

You should be using diseqc switches such that each box connects to a diseqc switch and then the two inputs to each diseqc switch connect to the outputs of the two lnbs.

villain · 10-02-10, 05:07 PM

my bad, i am using diseqc switches mate

09-02-10, 11:10 PM	#1 (permalink)
villain Junior Member Join Date: Oct 2008 Posts: 12 Thanks: 0 Thanked 0 Times in 0 Posts	dual lnb problem i have 2 dish's and both have dual lnb, which ive connected to two box's, at times hd box works fine but when watching channels on downstairs box specialy v channels ( vertical ) i get no signal on my hd box specialy veritical channels? i get tune failed on my hd box, please can someone help me thanks

09-02-10, 11:42 PM	#2 (permalink)
Robbo Satellite mad Join Date: Jul 2007 Location: Kent Posts: 9,375 Thanks: 97 Thanked 1,981 Times in 1,603 Posts	Re: dual lnb problem By swapping boxes to try and find out whether you have a box problem or dish/LNB problem, If it is a Thomson HD or Sky+ box, check that its not one that has dodgy caps in the power supply. __________________ القمر الصناعي هو أفضل TM600 linux,TM6800HD,TM5200,TM1000,TM2200 motor, Triax TD110 dish. Electronics Engineer and satellite installer.MBC Satellites

09-02-10, 11:45 PM	#3 (permalink)
villain Junior Member Join Date: Oct 2008 Posts: 12 Thanks: 0 Thanked 0 Times in 0 Posts	Re: dual lnb problem i have 2 box's one is tm9000 s and other is dm800 hd and im using mti quad lnb's

10-02-10, 11:58 AM	#4 (permalink)
kerrywez Grumpy Old Sat Man Join Date: Sep 2007 Location: Co. Kerry, Ireland Posts: 2,471 Thanks: 2,973 Thanked 639 Times in 505 Posts	Re: dual lnb problem Hi it is a bit difficult to understand what you have got and what is connected to what. I assume that you have the TM connected to one dish and the DMM to the other, if that is so then I can't see why one box would affect the operation of the other. If, on the other hand, you have one box looped through to the other then there might be some problem with it then. Can you please give us some more detail on the exact way you have your boxes set up., because if you have the boxes looped through to each other then the first box to receive the signal will hog the signal and the second in line will not be able to operate as it would if it were getting a separate feed from another dish. You say you have quad LNBs if this is the case then try the coax on another terminal and see if that helps. Regards Wez __________________ Dreambox 7025, 250HDD, Dreambox 500s, 110 X 90Cm Hirschmann on Clarketech rotor, 1.2 Mtr. Channel Master. AZBox HD Running on E2. TM6900 super combo.

10-02-10, 01:16 PM	#5 (permalink)
villain Junior Member Join Date: Oct 2008 Posts: 12 Thanks: 0 Thanked 0 Times in 0 Posts	Re: dual lnb problem okay thanks for replys guys.. okay i have 2 dish's , 1x hotbird with quad lnb and 1x skyuk dish with quad lnb, 1x hotbird and skyuk each cable comes out of each lnb and conects to splitter and to doownstairs box, and 2nd cable comes out from each lnb and into splitter and to box upstairs , i have 2x box's downstairs tm9000s and upstairs dm800 hd so when watching certain channels downstairs i get tune fails on my hd box upstairs...

10-02-10, 01:45 PM	#6 (permalink)
kerrywez Grumpy Old Sat Man Join Date: Sep 2007 Location: Co. Kerry, Ireland Posts: 2,471 Thanks: 2,973 Thanked 639 Times in 505 Posts	Re: dual lnb problem Hi, got to be something to do with the splitter, I have never used one and not that sure that they would work too well, but some of the other guys will know what the score is with them. Regards Wez __________________ Dreambox 7025, 250HDD, Dreambox 500s, 110 X 90Cm Hirschmann on Clarketech rotor, 1.2 Mtr. Channel Master. AZBox HD Running on E2. TM6900 super combo.

10-02-10, 03:05 PM	#7 (permalink)
villain Junior Member Join Date: Oct 2008 Posts: 12 Thanks: 0 Thanked 0 Times in 0 Posts	Re: dual lnb problem okay , hope someone can help me

10-02-10, 03:27 PM	#8 (permalink)
eurofan Senior Member Join Date: Aug 2009 Location: South Yorkshire Posts: 104 Thanks: 33 Thanked 14 Times in 12 Posts	Re: dual lnb problem Triax splitter any good? I just wonder if this previous thread has any bearing on your splitter arrangement? Last edited by eurofan; 10-02-10 at 03:32 PM.

10-02-10, 03:33 PM	#9 (permalink)
Jimdefruit Super Moderator Join Date: Jan 2006 Posts: 2,858 Thanks: 20 Thanked 221 Times in 187 Posts	Re: dual lnb problem I dont understand what you mean by a splitter. You should be using diseqc switches such that each box connects to a diseqc switch and then the two inputs to each diseqc switch connect to the outputs of the two lnbs. __________________ Dreambox 800 HD; Dreambox 7000s + VBox + Channel Master 1.2 with 36v actuator CM120 feedhorn and Invacom .3 LNB Skystar 2 PCI card with links to my Dreamboxes If you like what you see here, tell your friends.

10-02-10, 05:07 PM	#10 (permalink)
villain Junior Member Join Date: Oct 2008 Posts: 12 Thanks: 0 Thanked 0 Times in 0 Posts	Re: dual lnb problem my bad, i am using diseqc switches mate

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