HITACHI 55HDM71
Manual de Usuario

55PMA550/55HDM71 (PW1)

Picture is not displayed (LED is lighting)

Is the LED red or green/orange? green/orange

red

Is it the power saving mode? No

Yes

Is Voltage applied to CN63 pin of the Power supply unit? Yes +5V

No

Power supply unit

Input signal Cable or Formatter PWB

Is Voltage applied to EJF1

pin

No

of the Joint PWB? Is the voltage of CN3 11 pin on the Power supply unit 5V? Yes Power supply unit No Yes Formatter PWB +5V

Joint PWB

Are the voltages of CN21 pin on the Power supply unit correct? Yes

No

+50 70V +75 90V GND

Panel Module

Is the voltage of CN3 9 pin on the Power supply unit correct ? Yes
9 7

No

+3V GND

Panel Module

Power supply unit

30