PANSONIC PLASMA TVs - PD-6U _ PX-60U _ PX-600U
Count the number of blinks at least two times. Count it by switch OFF and switch ON the set by its front panel Power Switch [not by power button on the remote control].
2 Blinks: 15V SOS: D Board.
3 Blinks: 3.3v SOS: D Board.
4 Blinks: Power SOS: P Board.
5 Blinks: 5V SOS: D board.
6 Blinks: Driver SOS-1: SU Board or SD Board or SC Board.
7 Blinks: Driver SOS-2: SU-Board or SD Board or SC board [SC Floating Voltage]
8 Blinks: Driver SOS-3: SS Board. [Energy Recovery Unit]
9 Blinks: Status to Panel.
10 Blinks: PA SOS or Tuner SOS or H Board.
11 Blinks: Fan SOS: Fan.
12 Blinks: Sound SOS: PA Board.
A high quality digital multimeter should be used to measure voltages. By no means, use an analogue multimeter, as it will load the circuit when it is energised and might cause more faults.