Blinks Error Code (All Models) - Panasonic TC-P42X1 Revised Troubleshooting Handbook

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
Power Supply SOS
TC-P42G10
Disconnect the TV. Disconnect
P2 and P11 on the P board
Measure the resistance between
pin 1 of connector SS11 on the
SS board and ground (Chassis).
Yes
Is there a
short to
ground?
Replace
the SS board
Yes
Is there a
short to
ground?
Replace
the SC board
4 Blinks Error Code
Defective Board
Primarily P board or possible A board
TC-P46G10
Does the power
Yes
makes a "chirp"
noise at plug in?
No
Measure the resistance between
pin 1 of connector SC2 on the SC
board and ground (Chassis).
No
Replace
the P board
Warning: Disconnect AC Power prior to
making any disconnection or connection.
TC-50G10 TC-P54G10
Start Here
No
supply
Turn the TV on
Yes
12 of CN P25 on
the P board high
before the TV
shuts down?
P Board
All other 2009 Models
Start Here
Is pin
No
A Board
Slide #36