Question about Toshiba TP61G90 61" Rear Projection Television

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Toshiba TP61E80 blows fuse

I just got a toshiba TP61E80 for free a guy said it turned off one day and wouldnt come back on. i opened it up and noticed a fuse was blown. i replaced the fuse with the same one it asks for. and everytime it gets plugged back in it blows the fuse. i tried unplugging everything else from that board and putting a new fuse in and it still happens. nothing looks to be damaged on that board. has anyone had this problem? or is it something that is worth trying to mess with?

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  • brandyn Jan 31, 2008

    it is the closest fuse to the power cord.

  • brandyn Jan 31, 2008

    im pretty mechanically inclined but not so great when it comes to electrical... would i just check the power cord basically? and where it comes into the board? and across the fuse?

  • brandyn Jan 31, 2008

    would that just mean check the power cord and where it comes in to the board and across the fuse? im pretty mechanically inclined but not so great when it comes to electrical... i have a direct email to if that would be easier to communicate. Brandyn85@comcast.net. thanks for the help.

  • brandyn Feb 03, 2008

    i measured between the fuse clip for continuity(sp?) got no reading..im not the best when it comes to using a volt meter. but im pretty sure i did it right. i check alot of the resistors and they showed a reading when i checked both sides. when i checked the fuse clip, i also checked from one side of the fuse clip to one side of where the power cord connects, and there is continuity there as well, and the same thing when touch the other side of the fuse clip and the other power cord prong... is that normal? there is also no fuses in the board at this time...



    if thats too confusing i can try to get a picture of the board online. thanks for the help again. i really want to get this thing fixed.

  • Vista Electronics May 11, 2010

    What is the fuse location ?..............................T.

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  • Master
  • 1,694 Answers

Blows AC fuse on plug-in is a direct short in power supply...
check components with ohmmeter to find short....Check MOV
across AC line by measuring across AC fuse clip.......T.

Posted on Jan 31, 2008

  • Vista Electronics Feb 01, 2008

    Correct...with no fuse in clip and set unplugged,measure across

    the fuse clip.....if it is shorted,remove soldered in Metal Oxide

    Varistor ..Example = D899 hooked between AC cord and fuse.

    Install new fuse ...try again.....MOV is an overvoltage protect device....................................................T.

  • Vista Electronics Feb 03, 2008

    Please identify all parts by location ....F801 7amp, for example.

    D801,C811,812,813 and then on to the regulator Q801 should all

    be checked......you have a dead short somewhere close ..between the ac fuse and the regulator IC........T.

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