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