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I have had a Hitachi 42" Plasma screen TV for almost 3 years and recently it has had problems. When you turn it on, the TV only stays on for about 10 minutes, and then the screen goes black with the message "no sync, no signal" and then after about 15 more seconds it gives the message " power saving" and shuts off. Any advice would be greatly appreciated.

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  • puffos Jul 14, 2008

    we have a 42" hitachi plasma tv. When watching it for 10 min. or more(as much as a 1hr or 2 but usually 10 min) the screen will go black then text on the screen will say no signal sync then go into power saving mode then either shut down or lock up so that neither the remote or side controls work. We then have to power down at the main power switch. When playing a dvd the same thing. Both are using R G B cables. We also have a Wii connected to input 2, after the 10 min. the picture freezes. We can get into the menu of the tv but only for a short time. This problem started several months ago the Wii is new and added item as of today. The dvd is in put 3 and the cable box(comcast dvr) is on input 4.the factory sent us update soft ware about 3 mo. ago the problem existed both before and after. I hopr there is enough info to help.

  • puffos Jul 14, 2008

    thank you for suggesting something I believe we have read at least a dozen or more times. If you can't help with respectfully acknowledge that and allow different person to help if possible. Though I believe there are many who would not think of reading the manual first. Thank you.

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Click below for general troubleshooting guide for Plasma TV; then go to page 40 for service menu settings ;and a sample guide of Toshiba plasma TV ;


PLASMA TV SERVICE MANUAL
Training Toshiba PLASMA TV PDP 42WP37

Posted on Jul 15, 2008

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The signal from the STU to the Hitachi box is going in the wrong direction.
Is the adaptor that you have switchable? If so, flick the switch in the
other direction and this will fix it. If the adaptor is not switchable get
one that is. Then set the STU output to RGB.

Hope this Helps. -CA

Posted on Jul 14, 2008

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