Blinks Error Code - Panasonic TC-P42X1 Revised Troubleshooting Handbook

3 Blinks Error Code

If the power LED continues to blink even after the TV is unplugged, press and hold the power
switch on the TV for a few seconds until the LED turns off.
Trouble Mode Defective Board
Warning: Disconnect AC Power prior to
making any disconnection or connection.
3.3V down SOS A Board
Start Here
Replace the A board
Slide #35