[linux-dvb] TDA10086 with Pinnacle 400e tuning broken

Patrick Boettcher patrick.boettcher at desy.de
Tue Jan 29 22:12:33 CET 2008


Hi Hartmut,

On Mon, 28 Jan 2008, Hartmut Hackmann wrote:
> > As Hartmut is saying in his email: "I need to check whether this pach is 
> > valid for all combinations of chips." - the answer is no ;)
> > 
> > please help,
> > Patrick.
> > 
> This bit defines whether the chip provides a modulated 22kHz signal or just
> the envelope at its diseqc output.
> Can you track the problem down to this bit? If yes, which LNB supply chip is
> on this board?

It is only that bit which has changed, so yes, it's that.

> If i understand the LNBp21 and isl64xx datasheets correctly, these chips will
> always use their internal 22kHz oscillator, it can just be turned on and off.

I don't see how to turn on 22kHz on LNBP21. How can this be done?

Patrick.

--
  Mail: patrick.boettcher at desy.de
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