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Reset after power outage

Sony bravia ex42 when plug in and swicth on then there is no response . like tv is dead .

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

tvhelp-Dave
  • 178 Answers

SOURCE: Sony Bravia No signal plus flickering image and

You know how to reset the tv to its factory setting, I think you are a technician. Second thing you can do is software update. Go to http://esupport.sony.com/US/perl/swu-list.pl?mdl=KDL42V4100&LOC=3#div_pos_30 . If it doesn’t work. Replace the Main board (UB board). Part # A-1547-086-A Cost approx $320.

Knowledge obtain from: Repair experience on same symptom.
Parts reference: Andrews electronics, 800 289 0300.

Posted on May 02, 2010

electronick
  • 505 Answers

SOURCE: Power Outage Problems Sony Bravia 32" LCD TV

try cycling the power (unplug 2 minutes) and plug in and wait 30 seconds and turn back on. if this doesn't work, could have been a surge, your protector should have saved it, but could have been through cable or something. surge protectors will guarantee no damage for several years, check with the manufacturer maybe they'll cover the repair.

Posted on Jun 01, 2010

  • 713 Answers

SOURCE: We have a Sony Bravia lcd tv model KLV-S40A10 - no power

Hi,the problem is from the fuse in the tv,it's blown and it's a means of in-built security against power fluctuations from damaging the unit,so the solution is to replace the fuse of the TV to restore your unit back to a normal working condition.

Be cool.

Posted on Jun 13, 2010

budmrtn
  • 11361 Answers

SOURCE: Sony Bravia KDL-V40XBR1, no picture

You either have failed 24vdc power supply section or failed backlight inverter board, check for 24vdc first, look for caps with leaking/bulging top.
Parts: http://www.shopjimmy.com/catalogsearch/result/?q=Sony+BRAVIA+KDL+-V40XBR1+

http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Posted on Jun 13, 2010

eagle338
  • 4889 Answers

SOURCE: sony bravia l42" LCD TV. No power. Green light on

7 blinks in the this series(KLV) means there is a short in the power supply board. The easiest way to fix this would be to swap out the board. I can find you a replacement if you want to try fixing this yourself.

Sai.

Posted on Dec 24, 2010

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2 Answers

Power Outage Problems Sony Bravia 32" LCD TV


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Ur tv power supply board have dead parts call capacitors.U know basic electronic's and soldering?Take ur tv aparts,check the power supply board,that the board the power cord plug into it.Searches all around for these dead gas leakage capacitors,they all way bulges up on it top,or puff up on it top.Replaced these dead gas leakage capacitors,ur tv will have stable LED light and the power will work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

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1 Answer

Sony Bravia No signal plus flickering image and


You know how to reset the tv to its factory setting, I think you are a technician. Second thing you can do is software update. Go to http://esupport.sony.com/US/perl/swu-list.pl?mdl=KDL42V4100&LOC=3#div_pos_30 . If it doesn’t work. Replace the Main board (UB board). Part # A-1547-086-A Cost approx $320.

Knowledge obtain from: Repair experience on same symptom.
Parts reference: Andrews electronics, 800 289 0300.

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1 Answer

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1 Answer

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I had the same problem after a power outage...rebooting the cable box solved it.

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