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Why want my Sony Model KDL-42EX440 turn on. Is there a fuse?

Its like it is not getting power. Nothing happens, no light. no kind of indication of it even being plugged in. I know it is getting power. I heard there was a fuse inside the TV. I heard about it on youtube

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 191 Answers

SOURCE: Tv doesnot power on

two options _bad backlight inverter or the main board ;eed to be change.

Posted on Nov 02, 2008

  • 38 Answers

SOURCE: Sony Bravia LCD TV is tripping the fuse in the house

These things draw a huge surge current when turned on. What size fuse are you blowing? These things can surge 10-12 amps on turn-on. What about a fuse with a reset button. They will take alittle more surge before they go. Don't matter about the insignia working before because the cheaper sets tend to stay powered up more when off....thus not surging on from a dead start. Could you try a different plug on a different circuit/fuse? and see if that makes a difference. If you have a 15 amp fuse, then your pretty close with other stuff plugged in. What size is your service? Do you still have an original 60 amp box with screw in fuses? Is it an old house?

Posted on Dec 05, 2008

  • 10 Answers

SOURCE: Sony KDL-46s2010 4 red light blinks

I would suspect one or more of the miniature flourescent backlight lamps. One way to confirm this would be to power up the set with a grayscale image at 40 to 60 IRE. If one or more lamps is failing to light, a slightly darker horizontal area in the grayscale will give it away. Unfortunately, Sony will not supply any of the backlight components apart from a new LCD panel. Sorry.

Posted on Sep 01, 2009

vinnyq
  • 157 Answers

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).

Posted on Oct 07, 2009

toolkits
  • 1099 Answers

SOURCE: Can't turn on TV.

Hi,

A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this helps

Posted on Jun 13, 2010

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