Triax 80cm Dish with Nikkai (Original Maplin) Dual Focus MonoBlock.

tinmanius

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I currently have an old Lidl Silvercrest 57cm dish and single focus LNB on Hotbird. I recently got an Edision Proton LED Receiver to upgrade to HD channels. I Have a NIkkai dual focus monoblock which I got cheap when Maplin closed their shops and wish to install it on a newly ordered 80cm Triax dish (TDS 80A 800mm Steel Satellite Dish - 120508). Will this be suitable to get Hotbird and Astra 19, I know the monoblock is designed for this but will it work being a cheapo and with this dish? Also any advice on installation? I installed the single focus LNB and dish myself with some help from a friend but have never installed a dual focus monoblock LNB before. Which LNB goes in the bracket for example the left or right looking from the rear? Is it easy to align on the signals? Should I line the primary focus on Hotbird or Astra 19? I take it I do not need a seperate diseqc switch as I assume it is built in to the LNB? I have a Satlink WS 6933 meter . I ask as I have to go up ladders to install it and wish to prepare as well as I can before starting the job.

 

Mickha

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Have you checked that the LNB is a 6 degree monobloc?
It shouldn't really matter which satellite you align the dish to, as both 19.2E, and 13E, are very strong satellites, in the UK, and you shouldn't have any problem, using an 80cm dish.
 

tinmanius

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Thanks for your reply. Yes, it is a 6 degree monoblock.
 

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ozumo

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From your photo the top feed will be 13°E & the lower one 19.2°E. Skew the monoblock so the 13°E feed is slightly lower than the 19.2°E one.

I find Hotbird to be weaker than Astra 1 but as Mickha said both are strong enough that it shouldn't matter which one you choose as main focus.
 

tinmanius

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From your photo the top feed will be 13°E & the lower one 19.2°E. Skew the monoblock so the 13°E feed is slightly lower than the 19.2°E one.

I find Hotbird to be weaker than Astra 1 but as Mickha said both are strong enough that it shouldn't matter which one you choose as main focus.
Thanks for the info. How does the diseqc work with SatLink meter and the receiver? How will the Satlink meter read the signal for both satellites? Will I have to set it for Hotbird first then Astra for example and then compromise to get the strongest signals for both sats? Will the Edision receiver switch the diseqc automatically or do I need to go into the settings to set it up? Thanks.
 

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On the meter when you choose the satellite/transponder there should be a setting called DiSEqC 1.0, you'll have to set this to 1 or A for one satellite, and 2 or B for the other. I don't have any experience with monoblocks so couldn't guarantee which feed corresponds to which DiSEqC setting, I would guess the lower feed on the photo is 1/A. On the receiver the setting will be on the satellite/LNB settings page.

Once you've aligned the dish on the first/main focus satellite you then change satellite/DiSEqC setting on the meter and rotate the monoblock in order to find the second satellite. If second sat is too weak slightly adjust the dish east/west to find an acceptable compromise.
 

tinmanius

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On the meter when you choose the satellite/transponder there should be a setting called DiSEqC 1.0, you'll have to set this to 1 or A for one satellite, and 2 or B for the other. I don't have any experience with monoblocks so couldn't guarantee which feed corresponds to which DiSEqC setting, I would guess the lower feed on the photo is 1/A. On the receiver the setting will be on the satellite/LNB settings page.

Once you've aligned the dish on the first/main focus satellite you then change satellite/DiSEqC setting on the meter and rotate the monoblock in order to find the second satellite. If second sat is too weak slightly adjust the dish east/west to find an acceptable compromise.
Thank you for the info. Very helpful. Much appreciated.
 

tinmanius

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Another quick question. Does it matter whether the L/H or R/H lnb is in the bracket? I have watched a couple of videos on Youtube and some have the bracket on the L/H and some on the R/H (Looking towards the dish) the installers on thr videos are in different countries, Germany, Spain, Ireland etc. Does it matter depending on where you are? I am in central Scotland.
 

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Looking at the photo above, the top feed is 13°E, so if you put that in the bracket the dish will have to point to 13°E, otherwise the feed for 19.2°E will not get the correct signal and in theory would receive signal from 7°E.
 

tinmanius

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Looking at the photo above, the top feed is 13°E, so if you put that in the bracket the dish will have to point to 13°E, otherwise the feed for 19.2°E will not get the correct signal and in theory would receive signal from 7°E.
Yes. I want Hotbird as the main focus to get TVE 24 horas and TVE internacional the Astra is just a bonus as it were. The dish arrived this morning and I have assembled it as in the photo, attached, I just need to find an 8m ladder now from somewhere. Not sure if I will need another mounting bracket. An L shaped one which came with the 57cm Lidl dish, which is fitted at the moment, I have seen similar online and it says they are suitable for 50 - 80 cm dishes, hopefully I can use that one as it is already in place on the end of the building.
 

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ozumo

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Do you have a picture of the the L bracket or one that is similar?
 

tinmanius

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Do you have a picture of the the L bracket or one that is similar?
This is the bracket taken from the original Lidl system box. If I remember correctly (a few years since I fitted it) it is a galvanised / chromed steel bracket, don't think it was alloy although I could be wrong. Definitely wasn't aluminium.
 

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ozumo

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Should be okay if it feels solidly mounted to the wall.
 

tinmanius

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After some delay obtaining ladders, I have now managed to get the 80cm Triax dish up on the bracket. I set my SatLink WS - 6933 Meter for Hotbird and aligned the dish. There was a decent signal and quality showing on the meter and I was able to get TVE momentarily on my tv. However the signal strength dropped to 45% with no quality. I thought this was odd so tested the signal on the cable at the box end. It was still good. I tried another box with the same results. I factory reset the original box and then cheecked the satellites listed in the Edision Proton LED HD box. Hotbird was showing 45% strength with 0% signal quality. I ran down the satellites and found good signal and quality on Astra 23.5E and Badr 26E. When I scanned Astra 23.5 I am picking up all the german channels etc. which are on Astra 19. Could it be I need to swap the other LNB on to the bracket on the dish to obtain Hotbird 13 and Astra 19 on the dual/twin LNB Nikkai Monobloc?

Any help would be appreciated.

Thank you.
 
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Mickha

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Have you set your tuning options, in your receivers menu, to disecq, to get both 19.2E, and 13E?
Can you please post some images, of your newly installed dish/LNB?
Remember the LNB should be on the opposite side, than most people think, so if you're getting 23.5E, try it on the opposide side, for 13E.
 

ozumo

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Many transponders on 26°E, 23.5°E & 19.2°E have similar parameters which is probably why your receiver showed signal on the first two, when in reality you have one LNB aligned on 19.2°E, as confirmed by your scan.

What DiSEqC settings are you using? DiSEqC 1.0 should be 1 (or A) for one satellite and 2 (or B ) for the other.
 

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Some diagnostic checks:
1. do you receive the 19E channels with diseqc set to A, or to B, in your receiver? (You should loose the signal, when you switch to the other diseqc option.)

2. if I understand correctly, you have now the 13E head central, and the 19E head hanging 'loose', left of the center (when seen, looking into the dish from the front of the dish)?

3. can you check with which of the two 'heads' you receive this 19E signal: the central head, or the 'hanging' head? Signal should break, when you hold your hand between that head and the dish (or when you put some aliminium foil over the head).

That'll help, for understanding what is the issue, now.

Greetz,
A33
 

tinmanius

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Many transponders on 26°E, 23.5°E & 19.2°E have similar parameters which is probably why your receiver showed signal on the first two, when in reality you have one LNB aligned on 19.2°E, as confirmed by your scan.

What DiSEqC settings are you using? DiSEqC 1.0 should be 1 (or A) for one satellite and 2 (or B ) for the other.
Yes, when scanning both 26 and 23 as indicated in the box menu both are receiving the channels on 19. On checking the menu both disecq sttings are showing 'disable'.
 

tinmanius

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Some diagnostic checks:
1. do you receive the 19E channels with diseqc set to A, or to B, in your receiver? (You should loose the signal, when you switch to the other diseqc option.)

2. if I understand correctly, you have now the 13E head central, and the 19E head hanging 'loose', left of the center (when seen, looking into the dish from the front of the dish)?

3. can you check with which of the two 'heads' you receive this 19E signal: the central head, or the 'hanging' head? Signal should break, when you hold your hand between that head and the dish (or when you put some aliminium foil over the head).

That'll help, for understanding what is the issue, now.

Greetz,
A33
On looking at the dish from the front I have the R/H LNB head on the bracket central and the L/H head loose. I can only check the break in the signal when I get access to the ladders again. I am not up to speed with changing the diseqc settings on the Edision Proton box yet as I only had a single LNB on the old dish, any advice on how I change the diseqc settings? Thanks.
 

a33

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Yes, when scanning both 26 and 23 as indicated in the box menu both are receiving the channels on 19. On checking the menu both disecq sttings are showing 'disable'.
Ah!
'disable' has the same effect as diseqc A. So when you set 19E as diseqc A, 19E must be OK now.

Can you set 13E as diseqc B? Does that give you signal?
If yes, all is right.

Greetz,
A33
 
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