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Factory reset sony bravia kdl-40ex520

No picture and sound after software update

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

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

Posted on Nov 23, 2008

  • 1 Answer

SOURCE: How to do a complete factory reset of a Sony Bravia KDL-32P3000

Just talked with Sony Support today.

It seems that Sony in Denmark had sent out new software updates (over DVB-T) but also some wrong TV's got updated as well. This caused my DVB-T tuner to not function anymore so I wanted to try a factory reset and it fixed my problem.

So I was instructed on how to do this. I have a Sony Bravia KDL-32P3000 (which should be similar to the U3000 and S3000 as well).

This is how to do a factory reset of your Sony Bravia KDL-32 P/U/S-3000 TV.

PLEASE BE VERY CAREFUL WITH THE SERVICE MENU, YOU CAN EASILY CAUSE YOUR TV TO MAL-FUNCTION!!!! IF YOU FOLLOW THIS GUIDE IT IS AT YOUR OWN RISK!!!

Set your TV in standy (use the green power butten on your remote), RED standby LED is ON on your TV.

Now press these buttons in this order on your remote (pointing to the TV).
i+
5
VOL UP (+)
GREEN POWER button

NOW BE CAREFUL! Dont press any keys just for the fun of it!!! IT MAY DESTROY YOUR TV.
You should now be in the service menu. It will show up as some green letter/numbers spread over the screen (mine are a bit hard to see/a bit faded). In the upper right corner you should have 2 letters TT (two t's).

Now carefully press key 0 and then key 8 on your remote (they should be shown on the screen after the two TT).

Now wait a little while (more than 10 seconds) and your TV should reset with factory settings, just as if you had just brought it home from the TV store.

Best wishes,
Mads

Posted on May 15, 2009

  • 1 Answer

SOURCE: How do I reset a Somy bravia KDL-52W4100 back to

While holding down the UP arrow key, press the power button. The TV will turn off and back on and reset to factory default settings. Hope this helps

Posted on Oct 05, 2009

tvhelp-Dave
  • 178 Answers

SOURCE: Bravia KDL-46VL130 TV: Our Sony KDL-46VL130 picture is streaking and some...

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

  • 1 Answer

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

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1 Answer

Theres no picture on my sony bravia KDL-40S4100


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

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3 Answers

How to do a complete factory reset of a Sony Bravia KDL-32P3000


Just talked with Sony Support today.

It seems that Sony in Denmark had sent out new software updates (over DVB-T) but also some wrong TV's got updated as well. This caused my DVB-T tuner to not function anymore so I wanted to try a factory reset and it fixed my problem.

So I was instructed on how to do this. I have a Sony Bravia KDL-32P3000 (which should be similar to the U3000 and S3000 as well).

This is how to do a factory reset of your Sony Bravia KDL-32 P/U/S-3000 TV.

PLEASE BE VERY CAREFUL WITH THE SERVICE MENU, YOU CAN EASILY CAUSE YOUR TV TO MAL-FUNCTION!!!! IF YOU FOLLOW THIS GUIDE IT IS AT YOUR OWN RISK!!!

Set your TV in standy (use the green power butten on your remote), RED standby LED is ON on your TV.

Now press these buttons in this order on your remote (pointing to the TV).
i+
5
VOL UP (+)
GREEN POWER button

NOW BE CAREFUL! Dont press any keys just for the fun of it!!! IT MAY DESTROY YOUR TV.
You should now be in the service menu. It will show up as some green letter/numbers spread over the screen (mine are a bit hard to see/a bit faded). In the upper right corner you should have 2 letters TT (two t's).

Now carefully press key 0 and then key 8 on your remote (they should be shown on the screen after the two TT).

Now wait a little while (more than 10 seconds) and your TV should reset with factory settings, just as if you had just brought it home from the TV store.

Best wishes,
Mads

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2 Answers

Sony Bravia has sound but no picture


hi have you check the sleep timer on the tv cause it might be on and you need to turn it off

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