Note that suggestion #1, #2 and #3 do not involve modifications of the TV set (and the voltage is a small video signal), so it's risk-free, and should already c

Note that suggestion #1, #2 and #3 do not involve modifications of the TV set (and the voltage is a small video signal), so it's risk-free, and should already covered the vast majority of the cases. As for #4, and #5, are more of a possibility and requires knowledge of the internal TV circuitry, those who already have the knowledge to do so, should already be well aware of the dangers involved.