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Se42umt 42cdm3b535sa02379 will not turn on,, yes i checked cord

Red light is on but nobody home when turned on by remote or manual setting

Posted by robert on


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  • 36 Answers

SOURCE: will not turn on...just a flashing red light

Evidently this is a common problem with Toshiba rear projection TVs. You might be able to get it working temporarily by unplugging it, pushing the power button a few times, plugging it back in, and then turning it on. Most likely your power supply is going out on you, and should be taken in to be repaired.

Temporary solution found here.

Posted on Aug 02, 2009


clint daley

  • 277 Answers

SOURCE: The TV will not turn on either with remote or

your power supply is blown

Posted on Jan 19, 2010



  • 1099 Answers

SOURCE: tv will not turn on


Normal 0 false false false MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* 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"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Ur power supply board is dead, u know basic electronics’ and soldering? Most of the times, the power suppply board just have dead leakages gases capacitors.These capacitors alway bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get ur tv power stable,and work again.Or tries websites like, to buy a whole rerfurbish power supply board for the replacement.

Posted on May 23, 2010


Bud Martin

  • 11361 Answers

SOURCE: The TV will not turn on. No power light

Check the power supply; look for bad caps with leaking/bulging tops, check to see if you have standby +5vdc at the power supply connector, the front red indicator will not be on if you do not have this +5vdc standby voltage due to shorted out Q7 and ZD4.

Power supply:

Please see my basic troubleshooting guide:
Parts: try or Ebay

Posted on Jun 22, 2010

Azrael SRL

  • 11800 Answers


This is what happens when the power source of the tv detects a big short on one of its outputs - it goes in emergency shutdown. The only way to fix that is to open the tv and test the power source to identify the shorted output. After that you must test every single component that output powers to find and replace the failed one.
You need at least a basic understanding on how a tv and each component works. If you don't know that then there's nothing you can do, call a repairman.

Posted on Oct 29, 2010

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