Question about Sony Televison & Video
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Posted on Jan 02, 2017
SOURCE: Sony BRAVIA KDL-40W4000
I've been looking into this myself as I've also recently purchased the KDL-40W4000. I was watching a murky old film and was getting a bit of sludgy ghosting but found that by reducing the contrast to 25, setting the backlight on low, colour on neutral and the brightness about 40-60 (and taking ALL advanced noise functions off), this reduced the ghosting considerably.
BUT, this is quite a cool and dark image. If you watch standard TV and films mainly, a variation of the Cinema setting is probably the best overall setting i.e.
colour temp: Warm 2 (although Warm 1 is less yellow and still fine)
noise reduction: off
mpeg nr: off
contrast enhancer: off
colour space: standard
Posted on Nov 23, 2008
Most likely this is caused by a defective main board. Changing the main board will fix the issue about 95% of the time.
To be absolutely sure, the voltages need to be checked on the power supply. If they are not the values listed in the service manual, then you should replace the power supply instead (accounts for the other 5% of the time).
Posted on Oct 07, 2009
That symptom may cause by the main board or t-con board, I suggest you do software up grade first.
Posted on May 07, 2010
SOURCE: My Sony Bravia has no colour
picture has no color or appear as black and white only, please reset
the picture setting. To reset picture setting please follow the items
Please rate my solution.
Posted on Jun 27, 2010
Testimonial: "have colour now when I use my DVD player. but not with my Bell Express Vu PVR. I guess maybe I need a new receiver?"
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