[mythtv-users] Coincidentally broken tuner or something else?

[Michael T. Dean]

On 04/07/2012 10:20 AM, Raymond Norton wrote:
> I am running .24 on a Zotac box with an HVR-1950 usb tuner  on Linux 
> Mint 12. This setup has been pretty rock solid, but is not working 
> well today.
>
> The other day I upgraded all packages via apt. After that I started 
> getting errors in Mythbackend, saying files should be local, but can't 
> be found. Researching the error, I found it was related to the tuner. 
> I set the capture cards up again and it seemed to be working, but 
> today I am finding it will only tune to very few channels. The rest I 
> get no lock, or partial locks, with myth popups telling me it should 
> have locked in by now.
>
> The tuner has two sides, but I have only configured digital to tune in 
> HD over the air
>
> Can anything in myth affect how the tuner works, or am I dealing with 
> a failing tuner. Is there a way of testing what might be the problem?

Sounds like broken input connections.  I'd recommend: 
http://www.gossamer-threads.com/lists/mythtv/users/264034#264034

Mike