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598 posts

Ultimate Geek
+1 received by user: 25

Topic # 50657 25-Nov-2009 17:31
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i downloaded mythbuntu, installed and went thru config, it found my tv card which is a hvr4000 dual dvb-s/s2 dvb-t, however i cant tune any channels either on dvb-t or dvb-s, i can find any settings anywhere to edit transponders, freqs, enter lnb settings etc... how does myth tv know which lnb i have and what satellite my dish is pointed at?  other dvb tv apps ive used on windows like progdvb, dvbdream, altdvb etc... ask for this information, but myth tv doesnt and i cant find anywhere to enter this information.

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97 posts

Master Geek
+1 received by user: 2

  Reply # 278379 1-Dec-2009 16:28
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going from memory . I might have left a few steps out

mtythbuntu .22 9.10 karmac NZ DVBT tuning is broken you'll only be able to tune TV 1 2 3 once you get the card working
you'll need to add .avenard's repro to enable the extra channels
instructions here
you'll also need to update to nvida 195 glx once you've enabled the repo
1 add the repo
2 update package list
3 update nvidia 195 glx via synaptic or terminal
4 update mythtv

fix for HVR4000

to add DVD-S LNB settings edit your DVB-S card
click on diseqc then use right arrow key, you should then be prompted to choose LNB

Sky dish set LNB to Custom, set type Standard (Voltage), and set LNB LOF Low (MHz) to 11300
if you have a newer sky try LNB: 10750. LNB setting can vary it depends on your dish

make sure you go right through all the setting to finish otherwise your changes will not be saved

go to video source give it a name eg freview
choose Transmitted guide only (EIT) this will grab the program listing from the satellite

next input connections map the connection you created
to your DVB-S card
scan for channels

Add the frequencies for the Freeview transponders, individually in HZ
Transponder Frequency Symbol rate
TVNZ 12483000 22500000
CanWest 12456000 22500000

DVB-T is process is similar you don't have to do any diseqc settings

15 posts


  Reply # 283057 16-Dec-2009 10:42
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Hi there, maybe you can help me as well if you can. I have followed all these steps, the scan found 11 or so channels. Now when I go to watch TV the screen is black, but there is text telling me what channel it is, TV1, TV2, that changes as I scroll through al the channels. Does this sound like something you have seen before?




97 posts

Master Geek
+1 received by user: 2

  Reply # 286664 3-Jan-2010 14:03
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sorry no I haven't seen that, could be the video card your using
vdapu (GPU acceleration) is only supported with nvidea geforce series 8 cards
vdapu drastically reduces CPU load with HD something like from 90% down to 10%

are you using DVB-S or T
have a look at the myth mailing list you might find answers there

NZ myth


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