[mythtvnz] Broken DVB-S setup

[Nick & Ann Read]

> Date: Thu, 26 May 2011 07:49:57 +1200
> From: Nick Rout<nick.rout at gmail.com>
> Subject: Re: [mythtvnz] Broken DVB-S setup
> To: noel at igrin.co.nz, MythTV in NZ<mythtvnz at lists.linuxnut.co.nz>
> Message-ID:<BANLkTindBjw1Sq2k_maM307qycKiZeOS-Q at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Wed, May 25, 2011 at 5:44 PM, Noel&  Diane<noel at igrin.co.nz>  wrote:
>
>>> Thanks Noel. Got hold of a satellite signal tester and proved to my
>>> satisfaction that the LNB was OK. So ordered a Technotrend S-1401
>>> (thanks Hads) which was a drop-in replacement for my Technisat SkyStar
>>> 2.6D and everything is now A-OK. All sorted in plenty of time to catch
>>> the UEFA Champions League Final (hopefully restored my son's faith in
>>> Dad after missing the Man U Semi!).
>> OK back to square one (kind of). The (new) DVB-S card is still working
>> for Freeview NZ channels (H-pol) but is no longer tuning to SBS 1 or 2
>> (V-pol). I have checked with my satellite tester and the card is
>> switching between 13/18V as expected. I would suspect it is now the LNB
>> if it was not for the fact that when I go into MythTV-setup, I can scan
>> the SBS transponder for channels as expected, which must mean it is
>> successfully tuning that transponder (V-pol), no? Switching
>> off/rebooting/disconnecting cables has not helped. Only other info I can
>> add is that when it tries to tune to SBS under 'Watch TV' it reports the
>> lock status as (LBs) instead of (LBS) as normal. The only thing I can
>> think to try is a new LNB, but I can't explain why I can tune to scan
>> for channels but not to watch channels....
>>
>>
> Go back into setup and check polarity, sometimes myth seems to set it
> wrong despite you setting it correctly.
Thanks Nick & Noel, I checked the polarity and set it (correctly) again 
to make sure, but that didn't help. So I dropped/deleted the card and 
video source completely, recreated them and hey presto! working again.