APPLICABLE TO PANASONIC TH-42PX75U - TH-50PX75U - TH-42PX77U - TH-50PX77U
Trouble mode: Power supply SOS.
Defective Board: Primary P board or possible D board
- Disconnect AC power.
- Reconnect the Power and Turn the unit ON.
- Is pin 12 of CN P25 of the P board high before shut down? If NO; D board is defective.
- If YES, P board is defective.
D-Board.
P-board
