Hitachi 32PD5000 Service Manual page 39

Picture is not displayed (LED is lighting)
Is the LED red or
green/orange?
green/orange
Is it the power
saving mode?
No
Input signal Cable
or Formatter PWB
Is the voltage
of CN68 pin
on the Power supply unit
5V?
Yes
Are the voltages
of CN64 pin
on the Power supply unit
correct?
+50 70V
+75 90V
Yes
GND
Panel Module
32PD5000/42PD5000 (PW1)
red
Yes
No
Power supply unit
No
Is the voltage
of CN68 pin
on the Power supply unit
correct ?
Yes
Power supply unit
39
Is Voltage
No
applied to CN63 pin
of the Power supply unit?
+5V
Yes
Power supply
Is Voltage
No
applied to EJF1 pin
of the Joint PWB?
+5V
Yes
Formatter PWB
No
+3V
GND
Panel Module
unit
Joint PWB