Led Blinks 5 Times (Quick Troubleshooting) - Panasonic TH-42PX75U Technical Manual

LED blinks 5 times (Quick Troubleshooting)

<Trouble Mode and Defective Board>
Warning: Disconnect AC Power prior to
Trouble Mode Defective Board
making any disconnection or
connection.
5V SOS D, P, C, SC, SS board or Panel (DDIC)*1
(*1) = Data Driver IC
<How to find the defective boards>
Disconnect CN P12
of the power supply board. Measure the
resistance of pin 1 of the lead cable to ground.
No
Proceed to more extensive troubleshooting of
Is there a short to ground?
the pages that follow.
Yes
Panel
Note: CN = Connector
11