Question about Toshiba Televison & Video
It is a power supply fault. The power supply is a switched mode power supply and supplies 5 volts for the difital logic and high voltages for the high voltage parts of the tv relating to the screen display components. When the high voltage part of the circuit breaks or goes short circuit then the power supply shuts that part down leaving the low voltage rail of 5 volts..hence the standby still working. So... you need to be looking at the power supply board where the mains goes in but be aware of the mains voltages in this area if you arent experienced in electrics. The board will still hold 240v if the power supply has an open circuit load
Posted on Aug 02, 2009
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Posted on Jan 02, 2017
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