Panasonic TC-P42X1

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