Question about Toshiba 32A43 32" TV
Our 4 year old tvs black has turned blue and occasionally shuts off. if you unplug and turn it back in it will work again, but always blue. Sometimes it will play for hours and sometimes only minutes before needing to be unplugged. also the red power indicator flashes. Help!!!
Posted by Anonymous on
The set is going into shutdown because the blue picture tube is shorted G1 to cathode. This explains the blue picture and the set goes into shutdown due to the screen shorted. Scrivitron
Posted on Jul 19, 2007
That usually means the x-ray protect circuit was triggered. The set is going into protect shutdown for some reason. It may be a valid trigger to a lame problem or a fault in the detection circuit itself. I would hang a scope on there and just watch to see if there is a strange movement in voltage values, and if so, troubleshoot it from there. The blue picture is a result of a convergence problem. If you don't know much abou TV repair, I would suggest taking it to a Toshiba authorized servicer for proper diagnosis.
Posted on Jan 30, 2006
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Posted on Jan 02, 2017
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