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help my digibox is saying no Satellite signal being recieved?

  • 19-04-2004 9:13am
    #1
    hockeyplayer
    Closed Accounts Posts: 30 ✭


    I cancelled my sub with Sky a while ago and i was getting all the BBC and some other channels on my digi-box for a while until last week as now my digibox is saying no Satellite signal being recieved. do Sky cut you off completely or is their something else wrong? i have checked the card and connections

    any help would be good.

    thanks

    HP


Comments

  • #2
    Mossy Monk
    Closed Accounts Posts: 28,128 ✭✭✭✭Mossy Monk


    Originally posted by hockeyplayer
    do Sky cut you off completely

    they can only cut off pay channels. maybe you dish is out of allignment or it could be a dodgy tuner. what kind of digibox do you have?


  • #3
    hockeyplayer
    Closed Accounts Posts: 30 ✭hockeyplayer


    Hi,

    Grundig i think, i am pretty sure its not been damaged or anything. if the dish is out of line who do i get it back, will it cost or do can i do it myself?

    thanks

    HP


  • #4
    Marty
    Closed Accounts Posts: 36 ✭Marty


    Is it easy for you to get to the dish?


  • #5
    Aquos76
    Moderators, Regional South East Moderators Posts: 9,075 Mod ✭✭✭✭Aquos76


    Grundig Digiboxes are renouned for giving power supply problems. You would usally start to get picture breakup before you actually loose signal altogether. It is not a big problem to get it sorted.

    If you are stuck for someone to fix it and you are fairly sure it may be the power supply, I know a guy in cork who is very helpful towards me if I need anything fixed. PM me if you are stuck.


  • #6
    hockeyplayer
    Closed Accounts Posts: 30 ✭hockeyplayer


    hi,

    thanks for the info guys. i am pretty sure it isnt a power problem, it switches on and off no problem and displays the menu fine. the Dish is on the roof, accessable using a ladder. how do i know if its pointing in the right direction, is it a case of having a mate standing by the TV saying yep, no nearly their.

    thanks

    HP


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  • #7
    Aquos76
    Moderators, Regional South East Moderators Posts: 9,075 Mod ✭✭✭✭Aquos76


    It would still switch on and off if it was a power supply problem. Do u know anybody else that has a grundig receiver? If so swap the power supply in to your and than check. Its worth a try. The power supply is held in with 6 screws and connects to the main board with one connection.

    And also if you can get access to another receiver then you will be able to rule out your dish if that works.


  • #8
    Mike 1972
    Closed Accounts Posts: 8,018 ✭✭✭Mike 1972


    A problem I am having at the moment is that my LNB has developed a fault and I cant access some channels (probably due to them being on different polorisation or low/high band)


  • #9
    Marty
    Closed Accounts Posts: 36 ✭Marty


    HP,
    I have a spare grundig receiver. Its doesn't work great for me as l think it needs a strong signal (it just isn't sensitive enough:) )
    You are welcome to it, might work might not???
    But it might give some indication to the problem, before you start climbing roofs.
    Send me a PM and we can discuss.
    Marty.


  • #10
    watty
    Registered Users, Registered Users 2 Posts: 32,417 ✭✭✭✭watty


    That doesn't sound right. The sensitive bit is the LNB. It outputs a MASSIVE signal. If it doesn't work it is broken, not lacking sensitivity.

    There is an AGC issue in fringe areas where one or more transponders is on a different beam / satellite and weak compared with the other transponders. The Receiver adjusts gain for the strong transponders and can't then receive the nearby frequency weak transponder. This does NOT occur whatsoever in Ireland / UK receiving Sky. Only in areas still inside main 2A/2B / Eurobird but outside 2D footprint, for example.


  • #11
    Marty
    Closed Accounts Posts: 36 ✭Marty


    Now l'm confused. I've seen receivers listed on e-bay as 'sensitive and suitable for use in europe'. I have a couple of Pace receivers and they all work fine and show a good signal strength. When l swop any of them for the grundig, the signal strength on the menu is always lower and the picture breaks up. I thought it was down to the Pace receivers being more sensitive than the grundig?


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  • #12
    Tony
    Registered Users, Registered Users 2 Posts: 11,341 ✭✭✭✭Tony


    its down to a better quality tuner which has a lower "noise" figure, panasonics are pretty good in this regard.

    Tony

    Desktop PC Boards discount code on https://www.satellite.ie/ is boards.ie



  • #13
    watty
    Registered Users, Registered Users 2 Posts: 32,417 ✭✭✭✭watty


    Originally posted by Marty
    Now l'm confused. I've seen receivers listed on e-bay as 'sensitive and suitable for use in europe'. I have a couple of Pace receivers and they all work fine and show a good signal strength. When l swop any of them for the grundig, the signal strength on the menu is always lower and the picture breaks up. I thought it was down to the Pace receivers being more sensitive than the grundig?

    It is a lot more complicated than sensitivity.

    The signal / quality meters *ARE* different, even between Sky SW versions or models of same brand. They are just an approximate measure.

    The Grundig meter I had read higher than my pace, and on realigning the dish getting nearly full on Pace, I was astounded that the Grundig one "wrapped" around to 1/2 scale. Obsure dish slightly and it "jumped" to full scale.


    Early so called ZIF (Zero IF) tuners were poor, but newer ones are "better" than the non ZIF. More and more is done in DSP and less in analog. (the signal from LNB to Digibox is actually Analog, just as 56K modem signals of the Digital RS232 are analog, except 1000times faster data).


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