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Comment: I have a Sony Bravia KDL-46S4100. When I turn it on, the SOUND is on, NO PICTURE. If I leave the TV on for about 15 to 20 minutes, turn it off and then turn on again. Now both Sound and Picuture came on. I don't know whether it is a power supply problem or the backlight inverter problem. Please tell me what wrong with it, so that I can order the right part to fix this problem. Thanks in advance.

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Change the power supply.
I fixed mine that way.
ebay tv parts might be available

Posted on Jul 31, 2017

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blueextc3221
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SOURCE: I have a Flat screen

Are the lines all the way across the screen? or just a few? Solid black - or trannslucent?

Like this??

5af01cc.jpg
Horizontal drive has either data, voltage, or control problem from the pixel registry circuit......get it serviced before the problem spreads causing further damage.

However, in all likelyhood, the panel itself is bad. The Bravia line has had a bad rap about the faulty displays, and at $1800 replacement (plus labor) - it may be time to call SONY direct to complain!

Thanks!!
nc

Posted on Apr 02, 2010

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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.

Posted on Aug 05, 2010

  • 1 Answer

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

Posted on Aug 30, 2011

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Sony bravia KDL 40S4100 No picture


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Troubleshooting procedure for No-Picture is given in detail.

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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.

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1 Answer

Sony Bravia KDL-46S4100, No Picture No sound


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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1 Answer

Sony KDL-46S4100, picture is green. Started as intermittent problem but is now constant


Replace the T-Con Board. Yes type the model and T-Con they cost like $45 to $75 you can go to Orlandolcd.com is a good service part store.

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1 Answer

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no u need to bring it to the nearest service// maybe u have memory ic problem.

Feb 27, 2010 | Televison & Video

1 Answer

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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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).

Oct 07, 2009 | Sony BRAVIA KDL-52W3000 52 in. LCD...

1 Answer

Loud hissing through rear (souround sound) speakers


I have the Sony Bravia KDL-46S4100. The high-picthed hiss drives me insane. I have a work around but not a fix. Go into your TV's menu and find BACKLIGHT. Adjust it from 1-9 with the house quiet and find what frequency of the hiss is the least annoying.


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1 Answer

Sound ok no picture


If it is connected to a cable box with an HDMI cable, try connecting up component instead

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