Question about Sony BRAVIA Televison & Video
Son and grandson attempted to hook up XBox to my Sony Bravia which is served by DishTV w/DVR. They say they reconnected all of the cables as they were, but now the picture has no color, only black and white. The other tv on the system is functioning normally. Any suggestions?
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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
This also happened to me and may continue to get worse... If it goes away for a while after warming up, then it is the same problem... The LCD panel is probably going out, when that happens the cost to repair it is more than the tv is worth... If it is in warranty then you can have it replaced or fixed.
Posted on Nov 23, 2009
Testimonial: "You were so right. Thanks."
The 37" Vizio I just bought has a very confusing feature where the same input can be used as either the Y channel of the component or the full video channel for composite. If you plug a component source into the TV and then select the composite input ("AV" on the remote), you will see a black and white version of the full component signal (makes sense as the Y channel is just the luminance component). As sad as it is, I was stumped by this for a while until I happened to hit "COMP" and got full color. FWIW, the manual warns about this, but it really doesn't emphasize the point. I wonder how many returns they get because of this.
Posted on Jun 11, 2010
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