Sony ZRD-1 Service Manual page 21

A
Do the status indicators of
all display units light in red?
No
Check an error code of the display unit on the Display Control Software.
A trouble occurs on the whole
array (all display units), part of
array (specific display unit), or
part of display unit (specific cell).
Go to Section 3-2-2.
C
Is [No Signal] displayed
in [Input Signal Status] on the
Input Settings screen of the
Display Control Software?
Yes
A trouble in system except
the display unit and display
controller
Check the system except
the display unit and display
controller.
ZRD-1/ZRD-2
Check the connection of the
Yes
cable of the display unit, or
( )
replace it.
Is the symptom improved?
D
No
A trouble in a display controller
Refer to "Section 3.
Troubleshooting" in the Service
Manual of the display controller.
( ): Cables to be checked
Connection between display unit and display
controller
Connection between display units with each other
Yes
No
B
End
3-3 (E)