Help changing from VHF to digital

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atwuk

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#77591 18-Feb-2011 09:22

At present I have sky and vhf going to 6 rooms in my house .This is done via sky and vhf lead connected to the sky decoder and decoder signal going to 6 way F connector splitter feeding each room .With this each room has access to what ever program is on sky and there choice of vhf stations .All is wired in RG6 cable.
Now how am I going to achieve this with digital using the existing cabeling,I realise I will need a set top box for each room.How do I get the same out come as I have now.I don't want to go backwards with this improved technology.

mentalinc

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#441064 18-Feb-2011 11:02

Change the VHF aerial to UHF aerial.
Plug in stb.

Enjoy?

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Oblivian

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#441079 18-Feb-2011 11:15

Yeah, to clarify the above.

The current splitter is likely a wide range frequency rather than a satellite range.

So you can use a single freeview STB like you have now (sky) and output the same from the antenna out of the box as long as it supports UHF channel tuning output. BUT don't expect as good a quality signal as the STB itself gets.

Failing that, put the splitter 'in' onto the new UHF antenna, and each room will be able to receive the UHF stream from the 'out' ports as long as they have a digital decoder/tv

To get both sky and freeview to each is a little more tricky and may require some more splitters (and ultimately loss of quality)

atwuk

41 posts

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#441108 18-Feb-2011 11:54

Thanks ,unfortunatly I am in an area that does not receive UHF and is unlikely to ever receive it I am in the country so I need to receive by dish

Oblivian

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#441113 18-Feb-2011 12:06

Well you sorta left that chunk of info out :/ So you only get the likes of tv1,tv2 on analoge and nothing else?

Right. Different ballgame. If you want both sky and freeview elsewhere youll need to Y-adaptor mux the 2 UHF outs down a line into the splitter input.

Get DVB-S decoder with UHF channel out on it, and dishout.

Dish - STB - STB dish out - SKY dish in
Freeview UHF out + Sky UHF out (Y) -> splitter in

Sort of thing. If you are wanting to ditch sky and get a sat STB for each room, youll need to change the splitter to a satellite frequency powered output one

Theres a couple of installers on here that will verify If I got it wrong or not later :)

atwuk

41 posts

Geek

#441212 18-Feb-2011 14:46

Yes sorry about that .OK how obout I replace the existing vhf Antenna with another dish,connect that incoming cable with a Y connector to the out put of the sky stb then to a digital splitter to each room and install free veiw stb at each tv would that work giving me access to selected sky channel and free view channels at each site. Maybe!

Oblivian

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#441218 18-Feb-2011 14:54

Not really follwoing.

Freeview and Sky are both on Optus D1.

The method I explained, means no need for a new dish. The single signal from the dish goes into the freeview box, then out and onto sky. Double stacked

As long as the freeview box is on (powering the dish), sky still gets the same stream and able to pick out its own channels from it. Or vice versa

Outputting both via UHF back to the house, means you tune the tvs into 2 channels. 1 will have sky via UHF, the other freeview via UHF

I do this at home:

Dish into splitter to my freeviw STB and sky. My STB powering dish. As long as I have it on and on a freeview channel (not SBS australia) sky continues to work.

SKY outputs UHF to the rest of the house via 6 way splitter (same as you do now). If I wanted to put my freeview down the line also, I just install a Y adaptor and merge my UHF output with sky output as I explained.

This method means all TVs get whatever channel both sky and freeview would be on.

If you want STBs in each room, you just need a satellite splitter installed

Power the dish by sky, and the rest of them go off to the rooms.

http://www.freeviewshop.co.nz/satellite-terrestrial-splitter-p-166.html

trig42

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#441225 18-Feb-2011 15:02

What he said.

Or... If you want an STB for every TV, you will need to split the Satellite signal 6 (or 7) ways and the UHF output from your Sky Decoder.

I'm pretty sure you can get both signals running down the same piece of RG6, you may just need to split it up into two at the TV end. ie. inject the Sat signal into the UHF signal, split this 6 ways for your other TVs and have another 2 way splitter at each TV - one for the SAT STB and one for the UHF feed from your Sky box.

I don't know what the doodad is that will combine the Sat and UHF into one cable, but they must be about because apartment buildings use them - they only have one F connector in the wall, but you can use this to get regular broadcast TV/Freeview Terrestrial and the Satellite feed if you have Sky.

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Jaxson

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#441227 18-Feb-2011 15:05

Just to help, I bet you want:

Sky box in lounge.
What ever channel is shown on this Sky box to be viewable at every other TV in the house.

Freeview satellite set top box at each TV so they can watch whatever freeview channel they want on each TV.
(And the one Sky channel being selected in the lounge)

Sound about right?

http://www.freeviewshop.co.nz/satellite-terrestrial-diplexer-p-57.html

atwuk

41 posts

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#441247 18-Feb-2011 15:47

Whew thought I had it sorted until I checked it, out unfortunatly I can only get sat freeview and that would appears to be only terestial and sat.Will have to try the other options

Spyware

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#441290 18-Feb-2011 18:57

Sky analog UHF (output from their crap decoders, low end of UHF band at around 550 MHz) is the terrestrial bit in respect to the diplexor input. Freeview DVB-S L band (950 to 2150 MHz) signal is the sat bit in respect to diplexor input.

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