No
No
red
Yes
high (5V)
low (0V)
Yes
No
No
green
Yes
Yes
1 : +180V
4 : GND
No
9 : GND
11 : +4V
Yes
5 : GND
7 : +5.6V
Yes
See page 6
Is Voltage
of the pin 2(PSC1)
on the Signal PWB
high?
Is the LED red
or green?
Picture is not displayed (LED is lighting)
No
AC/DC
Power unit
Signal PWB
AC/DC
Power unit
Do the Fans
rotate?
When
disconnect
PF1-3 of the AC/DC
Power unit, the picture
Is displayed ?
DC Fan
AC/DC
Power unit
Is Voltage
of the pin 5(PED)
on the AC/DC Power
unit 5V
AC/DC
Power unit
Are Voltages
of the pin 1(PEY1)
on the AC/DC Power
unit collect ?
Is Voltage
of the pin 9, 11(PED)
on the AC/DC Power
unit collect ?
Panel
Module
Panel Module
AC/DC
Power unit
Are
Voltage
applied to pins 7(PED)
of the Signal PWB?
5