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KV32FX68 - slight ghosting

Discussion in 'Televisions' started by Radiohead, Jul 7, 2003.

  1. Radiohead

    Radiohead
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    Whilst very happy with my new set I have noticed a very slight ghosting/edge enhancement, most noticeable with text. It is apparent regardless of source and I'm using decent QED and IXOS Scarts. It's pretty slight and isn't apparent from my viewing position - only when closer than 3 feet to the set.

    Any ideas? The set is only 2 weeks old from John Lewis, so is the best plan of action an engineer visit or a replacement?
     
  2. nathan_silly

    nathan_silly
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    Is the shadow on the the right side of objects?

    Even from DVD?

    Does it look like this?

    Look closely at homers pupils..does your TV have a right shadow on bright background/dark for ground (ie black dots on white background)
     

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  3. Radiohead

    Radiohead
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    The shadow is always on the right, yes, but isn't black dots AFAIK - it seems to be lighter than the actual colour (ie. slight white ghosting on white text)
     
  4. nathan_silly

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    Sorry, said that wrong.. with a single object (ie homer's pupils) the shadow is usually dark grey...it looks a bit like a DVD with bad edge enhancement (on the right)

    Sounds like the typical Sony ghosting problem to me (all Sony's that are few years old - that I've seen & used- devolop this fault)

    It'll get worse...

    No doubt Sony owners will flame me.
     
  5. Radiohead

    Radiohead
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    Definitely not dark grey - it's very very light (almost translucent)
     
  6. nathan_silly

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    Try again...
    I meant light grey!:D

    Here's another pic (I drew that 1st one darker to show it up, does it look like this?)
     

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  7. fatbob

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    It might be the scan velocity modulation circuit. This adds a form of ringing to edges, though it doesn't really sound like what you're describing.

    One way to check is to freeze a bright scene on a dvd, and then flick the picture mode of the tv from "personal" to "movie" (in "movie" mode the velocity modulation is disabled).

    If the effect disappears in "movie" mode, then it is velocity modulation causing this.

    This might not be the problem, but it's worth a try.

    Regards,

    Bob.
     
  8. Radiohead

    Radiohead
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    That's about it - although not that noticeable!

    But yes, that's the sort of thing.

    I never noticed it on my old FX60 but then I never looked that closely.....
     
  9. Radiohead

    Radiohead
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    I'll give that a go - thanks chaps. Most useful.

    :)
     
  10. nathan_silly

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    Fatbob, if it was SVM would it be just on the right?

    And how come it gets progressively worse (four brand new Sony's were fine, after about 1 year it's noticeable, 3 years it's unbearable)

    Nothing changed in service menu.. it was was mis-convergence the shadow would be red & blue?
     
  11. Radiohead

    Radiohead
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    Worst case I can ask for the set to be swapped as it's so new I guess.
     
  12. Radiohead

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    Well - have decided to get the set swapped as it's only 2 weeks old. New one arrives on Monday...
     

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