Panasonic TC-P42X1 Revised Troubleshooting Handbook page 44

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
SC Energy Recovery Circuit
LIST OF TC-P42S1
MODELS:
TC-P46U1 TC-P50S1
6 Blinks Error Code (Full-HD)
Defective Board
SC, A, SU,SD, and Loose connections
TC-P42G10 TC-P42U1
TC-P50G10 TC-P50U1
Warning: Disconnect AC Power prior to
making any disconnection or connection.
TC-P42U1 TC-42PS14
TC-P50V10 TC-50PS14
TC-P46S1 TC-P46G10
TC-P54S1 TC-54G10
Slide #44