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Sony bravia KDL46EX723 shuts off or won't turn on at all

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

bwery3
  • 137 Answers

SOURCE: Our Sony Bravia Tv was

If theres absolutely no power and no lights on, it sounds like the fuse inside the t.v.. It is pretty easy to change. You have to take out the screws on the back of the t.v. and take the back cover off. Look for a 3/4" glass tube fuse and see if the tiny wire in it is broken. Pop it out and bring it to radio shack and get a new one. Put that one in and try it, Make sure the t.v. has been unplugged for at least 2 hours before opening it so the capacitors have time to drain. They will hold power and could shock you if your not careful. Also, dont use anything metal to take the fuse out.

Posted on May 15, 2011

  • 56 Answers

SOURCE: My Sony bravia kdl55hx800 lcd 3d tv won't turn on

try unplugging your t.v for a few minutes, then plug it back in. if it continues check your owners manual or google your issue. this might be the red flash of death. hopefully unplugging it works. good luck!

Posted on May 18, 2011

  • 25 Answers

SOURCE: Sony Bravia KDL series 52"

Check the fuses on the power board. there is one fuse on primary side and one on secondary side.
Take of back panel and follow plug into the tv.where it ends is the power board.always use caution.the capacitors in there hold high voltage even after unplugged for a couple of days.Discharge capacitors before servicing the board.

Posted on Jun 28, 2011

caroldon
  • 17129 Answers

SOURCE: hi i getting a flashing

In most cases the standby light might blink with different rapidity to indicate a fault relevant to the processor. It is possible that most of these indicate that there are errors in the processing section . Since there is a possible short or leak in the circuit the output driver section can take in huge current to trip the SMPS or from advice from the micro processor. Remove the power plugs and make sure that high voltage sections are discharged of the potential stored in capacitors. Look for visible signs of leak or of busted capacitors. Look for bulged capacitors or damaged components- burnt or busted. Use a multimeter to check the continuity or shorting in components, if so detach from circuit and test . If the voltage builds up and the set power ON and then shuts up then the suspected section must be checked in detail.

http://focus.ti.com/docs/solution/folders/print/387.html

The processor must have the +5 voltage to the function properly , the +B and secondary voltages also must be checked to infer the fault. Trace with caution and in running through the signal path , circuit trail.

Check for tips to check the SMPS unit:

http://www.fixya.com/support/r5826301-working_switch_mode_power_supplies

Thank you for using fixya.

Posted on Sep 06, 2011

  • 11800 Answers

SOURCE: Sony bravia DVD disk won't

Mechanical failure of the tray's mechanism - the clicking you hear is made by the wheel on the motor of the tray skipping over its eject lever.
The mechanism will have to be extracted from the tv as a whole then dismantled to see if the wheel can be reattached to the lever. If that is impossible (both plastic parts have been damaged) then the entire mechanism is dead and it will have to be replaced.
Since this is a brand new model and you bought it a few months ago it means that it's still in the warranty period. Because of that the entire repair/ replacement of the BR unit will be done for free by the dealer. Under no circumstance you should attempt to fix it yourself - opening the tv or forcing the unit will void the warranty.

Posted on Sep 15, 2011

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1 Answer

Sony bravia model number KDL46EX723 blinks two time and wont turn on


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

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What you've heard is right. This is a main system control memory IC fault itself.

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Sounds like a power board reset switch gone bad. Have the power board replaced.
Good Luck Ed Pinero

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1 Answer

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Solution for Sony Bravia KDL 46EX723 blinking red light 8 times. Information below is from Sony online support, it worked for me:
Please disconnect the Internet connection from the TV and your TV will work fine.

We are suspecting a network outage issue on Sony device, we are currently investigating this issue. I am really sorry for the inconvenience caused.Unfortunately we don't have any ETA on this,I request you to try at a later time.

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I think fault is in electrolyte capacitor.You should check the supply volt of cathode & all relative component of RGB input.

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1 Answer

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May I know if there's a led light lit solid/blinking. If blinking, count how many times it will flash.

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