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Repair Assistance Hey Guys, I have a problem with my Toshiba Projection TV. I get sound on it but no picture. I have removed the screen to look at it and from observation of the projectors, the one on the center and the right want to light up when you turn on the TV, but the one on the left does not do anything. I have tried changing circuit boards, wires, etc., but cannot get it to work. Can you please help diagnose the problem and get back with me, please! Thank you! Lupe P.S. Email me at lupeguerra930@sbcglobal.net.

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  • lupeguerra Jan 20, 2008

    Slinteriors, that particular tube on the left side does not light up or heat up when the power is applied, the the other two, do light up when the power is applied and then they turn off after about a second. Could it be possible to pinpoint which drive circuitry that has the problem, because I have another used circuit board that I can use as parts. Please reply back, thank you!

  • lupeguerra Jan 20, 2008

    Sorry, the model number is TP48E60. I do not have the manual but you can retrieve a manual on the Toshiba website which I did to look up troubleshooting, but could not access the problem. I appreciate you help and hope this info helps you out. Thanks!

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You have a problem in the drive circuitry for that crt. Do the heaters in that tube light up when power is applied? What model Toshiba do you have? Let me know I will try to find out some info for you.

Posted on Jan 20, 2008

  • Sonny Berry
    Sonny Berry Jan 20, 2008

    You can pinpoint it with testing. Do you have the service manual for that set? Let me know your model number Toshiba you have. The other two are shutting down probaly going into protection mode.

  • Sonny Berry
    Sonny Berry Jan 20, 2008

    The manual on the toshiba site is only the user manual you will need the service manual . i will try to see if I can find one for your set.

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