Question about Computers & Internet
Ok, well the reason that when turned off there is no power at the USB ports, is because well.. it's turned off...when off, there is NO power supplied to anything, hence the term OFF.
The ONLY way one could do this would be to pick up a 5 V DC Voltage, from the "Standby" section of the set, which is always powered as long as it is connected to the mains. and route it via a pair of Diodes, onto the relevant connections + & - on the USB port. (Really you only have to take ONE wire the Positive wire to the USB, as the - is simply the ground connection). You need the diodes to stop any connection between the sections and the diodes will isolate it. This then would have the power ON at that USB port as long as the TV was ON. If you wished to Power two USB ports BOTH MUST be isolated with Diodes, I suggest some 1N4001 or the like.
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
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