Green light on. No sound or picture. Changed remote batteries checked sockets
Check source setting via remote. If you have digital television then DTV most likely should be the source. If using HDMI on a Video player then HDMI1 check if video player cable is plugged into HDMI1 if you have one.
SOURCE: Sony Bravia KDL-S40A12U Blank screen
Hello
on your set there is inverter board that is what lights up th backlight on your TV making everything visible that board has went bad.
Thankyou
SOURCE: Sony BRAVIA KDL-40W4000
Hi there,
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.
backlight: min
contrast: 79
brightness: 50
colour: 53
colour temp: Warm 2 (although Warm 1 is less yellow and still fine)
sharpness: min
noise reduction: off
mpeg nr: off
contrast enhancer: off
colour space: standard
Ben, UK
SOURCE: sony bravia kdl-52w3000, turn tv on, no picture or
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).
SOURCE: sony bravia kdl 46s4100 no picture
it sounds like your back light might be going out. You might be able to fix this by installing a new backlight inverter board.
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