Panasonic TC-P50ST50 - Troubleshooting 4 Blinks Failure

Troubleshooting 4 Blinks Failure
List of boards likely to cause this
symptom.
Blink
Code
No.1 No.2 No.3 No.4
4 Blinks P A
Yes
Place the positive lead of a voltmeter at pin 4 of connector P6 while the black lead is connected to
ground (Chassis ground). Plug in the TV and turn it on
No
Is there 2V to 3V
(Approx.) momentarily
on pin 4 of CN P6?
Start Here
Replace the A
board
Replace the P
board
Slide 16