Sharp lcd-32gh3 LCD TV automatically shut down in more than ten seconds
Author:Zhi Time:2021-09-12 09:26 Browse(805)
① For this fault, first measure the output of the auxiliary switching power supply circuit
① For this fault, first measure the output of the auxiliary switching power supply circuit. Is the voltage of terminal 15 VSB normal... ② ? check whether the on / standby control voltage is normal and standby. Control transistor, and other components are also normal... ③ If it is normal after inspection, the power on machine is not good, then. Check the 3.3V or 5V voltage on the main board again, if the 3.3V power is off. When the voltage drops to 3.1V, or 5V to 4.6V, it will be extremely high. Prone to automatic shutdown failure.. Sharp lcd-32gh3 input terminal has HDMI interface, s terminal, AV interface, VGA interface, component video interface, TV input depends on your computer has a variety of output, general new point computer common HDMI interface, s terminal, VGA interface must have. Press the remote control video signal to select the key selection signal source. When you turn on the computer and watch TV, it's right. No, you may choose the wrong signal source and reselect the signal source.
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