[mythtvnz] Sky STB internal DC voltage.

[Paulgir]

On Fri, 03 Aug 2012 19:54:13 +1200, criggie <criggie at criggie.org.nz> wrote:

> On 03/08/12 19:40, Paulgir wrote:
>> Does anyone know,off hand, what the internal DC supply for a typical (if
>> such exists) satellite STB is?
>>
>> A friend has asked me if I can build a 12V to whatever supply to make a
>> Sk...... STB mobile (I know Sky don't like their STBs "migrating").This  
>> is
>> for use in a camper.
>> I haven't had a chance yet to get my hands and DMM on one,so I thought I
>> would ask.
>
> My skystar puts out 18V to power the LNB.
>
>
Cheers,
The LNBs have 14V or 18V supplied to them - this selects the polarisation  
( Vertical or Horizontal).

I expect the internal supply may be 20V to 24V.I have found an adjustable  
dc to dc convertor at Jaycar that will do up the 26V from an input as low  
as 6V.This should do the trick.