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

Ben Firshman ben at firshman.co.uk
Wed Jan 23 17:57:32 UTC 2008


Just died again this morning. I'm going to try and recompile the  
latest v4l-dvb sources with those patches mentioned later in the thread.

Ben

On 21 Jan 2008, at 21:43, Ben Firshman wrote:

> 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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