Hi, Patrick Patrick Boettcher schrieb: > 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. > My understanding is that this needs to be done through the diseqc control: via i2c control of the lnbp21, yo can either turn the tone permanently on or let it be controlled by a pin - through the channel decoder. Could it be that you somehow just forgot to choose the upper band in your tuning data / dvb application? Sorry, i don't have a dish - so i need to completely rely on your feedback. Hartmut _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
