[mythtv-users] 1st tuner on Nova-t 500 can't tune

Ben Firshman ben at firshman.co.uk
Mon Jan 21 21:43:52 UTC 2008


I upgraded to SVN a few days ago and enabled all my tuners. So far, I  
haven't noticed any problems, I will let you know if a tuner dies  
again. SVN probably fixes the issue, so try it if you dare! 0.21  
doesn't seem that far off anyway, so you could just wait.

Ben

On 21 Jan 2008, at 14:48, Mikko Koivisto wrote:

> No suggestions but same kind of problems.
>
> My problem is related to all channels from one MUX where the first  
> tuner
> signal strength is about 55% and it can't lock -> no picture.
> I changed to use second tuner which gets signal strength 86% -> lock  
> and
> working.
>
> With another MUXes first tuner works fine.
>
> What have I done so far.
> - Added all 3 patches mentioned in wikipage. (stream, freq, kehycodes)
> - Tried with and without EIT, normally EIT is in use
> - coldboot
> - rescanned channels
> - using only second tuner -> worked ok
>
> --
> Mikko
>
> Ben Firshman:
>> Any thoughts/suggestions? I have just had our aerial realigned, I'll
>> try enabling it again for a bit. Unlikely, but it might have actually
>> been a tuning problem as the "(l--)" message implies.
>>
>> Ben
>>
>> On 5 Jan 2008, at 00:34, Ben Firshman wrote:
>>
>>
>>> Left it to rest for 10 minutes unplugged, then reenabled the tuner.
>>> Interestingly enough, now the first tuner is working fine and the
>>> second tuner has stopped working. It appears to be not the 1st in
>>> particular.
>>>
>>> What determines the tuner used for EIT data? Maybe that is indeed
>>> causing it.
>>>
>>> Ben
>>>
>>> On 3 Jan 2008, at 13:05, Ben Firshman wrote:
>>>
>>>
>>>> I did try that a while ago. Maybe I should try it again!
>>>>
>>>> It still makes no sense why the 1st tuner should not work while the
>>>> second does though.
>>>>
>>>> Ben
>>>>
>>>> On 2 Jan 2008, at 20:15, Oliver Maunder wrote:
>>>>
>>>>
>>>>> On Dec 30, 2007 1:48 PM, Ben Firshman <ben at firshman.co.uk> wrote:
>>>>> Yes, restarting the backend fixes the problem for me. (l--) is
>>>>> displayed too. Sounds like a similar thing.
>>>>>
>>>>> Ben -
>>>>>
>>>>> Have you tried turning it off and on again? Seriously!
>>>>>
>>>>> The firmware only gets copied to the TV card when the card is in a
>>>>> "cold" state. To get into a cold state you have to power down  
>>>>> for a
>>>>> while - at least a few seconds. Just rebooting won't do it. Your
>>>>> card may have out-of-date firmware loaded on it.
>>>>>
>>>>> The other day, I shut down my PC, removed the power cord (just  
>>>>> to be
>>>>> sure) and went to bed. In the morning I powered up again, and Myth
>>>>> has now been running without any problems *all year*!
>>>>>
>>>>>
>>>>> Olly
>>>>>
>>>>>
>
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