[mythtv-users] Computer can't read EDID from Panasonic TC-P42C1

[gcsa60]

Thanks all, I'll try to digest all this and work on it tonight (if my 
wife let's me :-\ ) and report back.

On 03/12/2013 11:59 AM, John Pilkington wrote:
> On 12/03/13 18:31, Michael T. Dean wrote:
>> On 03/12/2013 01:58 PM, gcsa60 wrote:
>>> Thanks Jedi,
>>>
>>> I have messed around with the settings in MythTV although they don't
>>> quite work as I intuit them. For example if I use the screen wizard
>>> and set it to 1024x768 it underscans. I still have to wok it out.
>>>
>>> Anyway, I was still hoping to solve this problem though because I
>>> would like to use the computer as a desktop when I want. Has anyone
>>> encountered and solved this problem??
>>
>> Right.  The overscan is completely unrelated to your resolution--it's
>> just something that the TV does to your signal.  When you set MythTV to
>> use 1024x768 pixels, that's inside an X output of 1280x720, so it's
>> basically just putting a black border around MythTV that's too big for
>> the amount of overscan your TV is doing.  To adjust for overscan in
>> MythTV, you need to adjust MythTV's GUI and/or video size so that it
>> just fits inside the visible display area of your TV--and don't feel
>> constrained by any arbitrary numbers (such as input mode resolution
>> (1280x720) nor physical screen resolution (1024x768) nor any others that
>> may seem important).
>>
>> Note, though, that it's critical that your X configuration is specified
>> such that your aspect ratio is correct--i.e. if you have a widescreen
>> TV, it should be a widescreen aspect ratio in X.
>>
>> Other than that, you choose the most appropriate input mode allowed by
>> your TV--the one that gives you the best picture.  On some TVs, that's
>> using a 1:1 pixel mode, but some TVs don't allow that (none of their
>> input modes correspond to the number of "physical" pixels on the TV).
>> Some (most?) TVs have overscan, some allow adjusting the overscan in
>> menus (or "hidden" setup menus), some do not and require you to adjust
>> for it (either in a particular application, such as MythTV, or with the
>> entire display--configuring X to underscan in the signal it outputs).
>>
>> Mike
>
> I recently found how to drive my Panasonic TV at full resolution. It's 
> at the end of this thread.  It might carry over to yours.
>
> http://www.gossamer-threads.com/lists/mythtv/users/540160#540160
>
> John P
>
>
>
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