If there is an answer to this question, you will most likely be able to find it on AVSFORUM dot COM - once there go to the LCD Flat Panel Displays section and then search or scroll through the list of models. The Bravia kdl-46s4100 is approx 6 yrs old, so what you're looking for is going to be somewhat buried and by this time the discussion thread may even be closed, but whatever information is there should be extensive, as this was a popular model when new. Note also that the "46" in the model number refers only to the screen size (46") so information for any KDL-xxS4100 (where xx = the screen size) should be relevant to yours. Hope this helps.
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.
SOURCE: Sony Bravia KDL-46S4100, No Picture
I have a sony bravia kdl 40v 5100 for less than two years and i did not purchased an extended warranty and now my tv is down.
I have no picture, no sound just a black screen when i turn the power on, the power (green) light is lite up and the tv turns off by itself for like less than 30 seconds. I have tried to press as many buttons on the remote control and on the side of the TV to get any message but nothing seem to happen. Any suggestions and solutions? Thanks
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