Panasonic PX60s & 1080p -- Clarification required

Discussion in 'Panasonic TVs Forum' started by nadface, Apr 18, 2007.

  1. nadface

    nadface
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    I've seen a few posts from folks on this forum saying that their PX60 accepts 1080p signals, and downscales them to the native 768p resolution of the panel.

    With this information in hand, I was more than happy to order a PS3 to use as a Blu-ray player, as I thought I'd be able to use 1080p for outputting movies, and not have to deal with a judder-y 1080i picture.

    Well, I've just received my PS3 yesterday, and my PX60 heavily distorts the image and makes it unwatchable. [A photograph can be found by clicking here.]

    What I'd like to know is -- have other PX60 owners managed to get 1080p working without issue on their sets? And if so, why might my PX60 be distorting the image in strange ways?

    Cheers.
     
  2. s1m0n

    s1m0n
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    as far as I remember the PX60 was only supposed to accept 1080i signals...and being able to accept a 1080p signal was one of the upgrades in the PX70 models...

    ...can you output a 1080i signal from your PS3 to see if that works instead?
     
  3. bu5ter

    bu5ter
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    I have never used a PS3 but vertainly my px60 doesnt woirk on the xbox at 1080p but as the panel downscales it anyway 720p is perfect...

    Will the PS3 not output bluray at 720p?
     
  4. nadface

    nadface
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    It does, but, unfortunately, the PX60 doesn't perform 3:2 pulldown on 1080i sources, which causes a lot of judder. I know this isn't an issue for some people, but, it gives me a headache. Makes watching movies a rather uncomfortable experiance!

    A progressive image being fed to the television should hopefully improve things.

    Sony, in their infinite wisdom, neglected to add this functionality to the PS3! Whether it will be fixed through a firmware upgrade remains to be seen.
     
  5. Marshallw

    Marshallw
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    I have a PX60 that happily accepts a 1080p signal from my ps3 and produces a crystal clear picture.

    I did nothing special to configure it, only had to tick the box marked 1080p under Video Output Settings ---> HDMI ---> Custom. Though from your picture it looks like that is exactly what you have done too. :confused:

    Are you running the latest firmware?
     
  6. nadface

    nadface
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    Yessir! First thing I tried.

    What model is your plasma by the way? I wonder if 1080p input is limited to the 42" models, or something like that.
     
  7. Marshallw

    Marshallw
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    It is a 42". Though officially none of the PX60s support 1080p both my TV and my girlfriends (also a 42") accept it with no issues at all.
     
  8. nadface

    nadface
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    Hmm. Might be on to something here then. I have the 50" myself. Anyone managed to get 1080p working on the 50" model?

    Edit -- Change the question a little. Has anyone tried 1080p on the th50px60 at all? It'd be really useful to hear from anyone who has tried it, but has had similar problems to me.
     
  9. bu5ter

    bu5ter
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    Thats promising i havent tried it on hdmi only component which doesnt work....
     
  10. giggsy13

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    anyone checked px70 hooks up to 1080p ok on PS3!? I dont want any of that pulldown jerkingf malarkey if I get one!!
     
  11. nadface

    nadface
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    Right, so, I did a little test that seemed to work quite well!

    I dragged my main computer downstairs and hooked it up through the dvi>hdmi cable I'm using for my Oppo -- success with 1080p! Might be the cable I bought from Play that is messing up the 1080p signal, or, problems with hdmi>hdmi 1080p. I'll be picking up another hdmi cable soon to mess around a bit, and see if 1080p works through it fine.

    One interesting thing I found while checking out a few HD vids on my computer (h.264 trailers and the like) -- using 50hz instead of 60hz refresh rate reduced the judder by quite a bit. When watching Casino Royale through my PS3, its really easy to see, but its greatly reduced when running 50hz. Anyone know why it might be doing that?
     
  12. choddo2006

    choddo2006
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    You'll still get 3:2 pulldown with 1080p/60

    at 50Hz, it uses 2:2 & 4% speedup so no judder but I didn't know the PS3 could do that with BluRay movies. Interesting. If you run the whole thing, does it take 4% less time to playback?
     

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