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Samsung le40r73bd, no picture but still has sound

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That could be the backlight inverter which has failed. Try shinning a bright light into the screen while the sound is running and see if you can see a very dim picture, If so its the inverter which has failed and you can get replacement inverter from www.tvrepairworld.com

Posted on Feb 18, 2012

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Samsung LE40R73BD DTV freezing, wont chnage channel

i've just some digging around and found that you can access a service menu and perform a reset which sorted the issue for me.

Access the service menu by pressing, in order, whilst the tv is in stand-by mode:

info
menu
mute
power

when the tv comes back on you will have a service menu; select option 12 (reset) the tv will then switch off.

this will reset your TV back to factory defaults.

turn tv back on and you should be prompted to go through the plug and play setup again - go through everything and then all should start working OK (it did for me)

HTH

Posted on Apr 30, 2008

alpug
  • 1961 Answers

SOURCE: My samsung le40r73bd tv has developed a fault the

there is a problem on your inverter board and the cold cathode lamp.The inverter board is the supplying high voltage supply to the cold cathode lamp.This cold cathode lamp is the illuminating the screen in which the the picture will appear once cold cathode is lit.here is a link where you can buy the parts.. Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";}

  1. http://s807.photobucket.com/albums/yy352/budm/Bad%20backlight%20lamp/
  2. http://s807.photobucket.com/home/budm/allalbums
:Good luck hope this helps you..
please rate my help

Posted on Jun 14, 2010

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Le40a456c2dxxu has no picture but has sound


Bad capacitors on the power supply board or Inverter board.

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T.V. has sound but no picture. Picture screen is black.


Hello,

The problem with the television is either the lamp is bad or the t-com board is bad.

Have both the lamp and t-com board checked, then replace the faulty component.

Take care and good luck

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My samsung le40r73bd tv has developed a fault the tv switches on and you get sound and picture then after approx 2 minutes screen goes blank and sound remains other times tv comes on with sound but no...


there is a problem on your inverter board and the cold cathode lamp.The inverter board is the supplying high voltage supply to the cold cathode lamp.This cold cathode lamp is the illuminating the screen in which the the picture will appear once cold cathode is lit.here is a link where you can buy the parts.. Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";}
  1. http://s807.photobucket.com/albums/yy352/budm/Bad%20backlight%20lamp/
  2. http://s807.photobucket.com/home/budm/allalbums
:Good luck hope this helps you..
please rate my help

Jun 14, 2010 | Samsung LE40R73BD 40 in. HD-Ready LCD...

1 Answer

Picture went dead


More than likely your backlight inverter board went dead

May 30, 2010 | Samsung LE40R73BD 40 in. HD-Ready LCD...

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My Samsung Le40R7 will not turn on, no picture red ligt blinks and tv has tick sound. this goes on for a half hour or so. then it works. if one closes the tv after that it opens immediately


it it a known fault with 4 capasitors mine was the same .phone samsung for a free repair as they know about this and are doing free repairs i did

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1 Answer

Standby light on clicking but no picture or sound


Power supply board is dead.Replaced the power supply board will solved this problems.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

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2 Answers

Tv wom't switch on


Replace capacitors on power board.

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try to change the stantard from the channel setting menu(bg-dk etc.)

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