Panasonic TC-L42D2

Slide # 58
4 Blinks SOS Troubleshooting
Is there 12V at pin 4
of CN P2 before the
TV shuts down?
No
Start
Yes
A board
P board
DTV 12V
supply problem.
Is pin 4 of
CN P2
shorted?
Yes
Disconnect the
connector A03.
Is pin 4 of
CN P2
shorted?
Yes
P board
A board
No
No