Panasonic TC-P42X1 Revised Troubleshooting Handbook page 49

Caution: 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.
Replace the SU
Replace the
SC and the A
boards.
Replace the SC board.
Any other number of blinks besides 10 and 6.
Unplug the TV and reconnect connector SC20 and the SU and
SD boards. Measure the resistance between pin 1 of P2/SC2
or P11/SS11 (Vsus) and ground.
Unplug SS11 and measure the
resistance between pin 1 of
SC2/P2 (Vsus) and ground.
No
Is there
a short
circuit?
Replace the SS
And SC boards
7 Blinks Error Code (4 of 4)
D
Follow the SU/SD boards isolation
procedure shown on slides 18, 19, and
20. Plug in the TV and press the power
No
and the SD
boards.
Yes
Yes
Replace the P
and SC boards
Start Here
switch
Does the
Yes
TV shut down
and the power
LED
blink 7 times?
LED stays ON TC-P42X1
10 times
Is there
No
a short
circuit?
Replace the SC
and A boards
Warning: Disconnect AC Power prior to
making any disconnection or connection.
With the SU board and the SD board
still disconnected, remove connector
SC20 from the SC board. Plug in the
TV and turn it on.
Did the
Yes
number of
blinks
change?
6 times
Replace the
SC board.
No
7 times
Replace the
A board.
Slide #49