Panasonic TC-P42X1 Revised Troubleshooting Handbook page 57

10 Blinks Error Code (HD Models)
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.
B
A
Trouble Mode
F-STB15V, SUB9V, SUB5V, BT30V
Make sure that connectors P6/A6 is properly seated
C
D
D
Defective Board
A, P, Loose connections
B
Warning: Disconnect AC Power prior to
making any disconnection or connection.
IMPORTANT:
generations, there's no 10 blinks error
code at plug-in for 2009 models.
When the A board is replaced, the TV
turns on in aging mode by itself at
plug in.
D
What can possibly cause 10
blinks
A.
B.
C.
C
D.
E.
Unlike previous
Missing/Shorted F_15V
Shorted Vsus
Missing/Shorted SUB5V,
SUB9V, BT30V.
IC1100, IC9003, IC9004
Possibly SU and SD boards
Slide #57