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Hi Dave: "My JVC 36" TV will not power on and has a blinking power light."
That means that the protection circuit has started because a fault had been detected.
If this happened after a power surge it is likely a faulty PSU board.
Try first leaving the set unplugged from power outlet for few hours, this will drain power, reset the protector, and fix problem related to accumulation of electrostatic charges on PSU power capacitors.
If unplugging does not work, that means that there is an internal fault. If this happened after a power problem of some kind, that means that probably one of the capacitors on powr board had blown, and must be replaced. The TV must be tested by a technician to find the fault.
The menu screen does not function the display. Without the original remote or a universal remote that does not have a display button, try unplugging the television for at least 2 minutes or more and plug the tv back in. This should reset the tv display. If the universal remote has a display button, depress the display button until you get the desired display results. Reference the user guide below for the display button.
You need to check the horizontal output transistor first for a short,ift he transistor is good check the diodes and low value resistors of the secondary of the flyback(output trasformer),if all those are ok check the crt board,it has low value resistor for the g2 voltage,if ok you need to go back to power supply and check for a short from each one of the diodes to ground for a posiblwe short.Be careful when measuring voltages and use the correct ground.