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Barco - RHDM-1701 - Maintenance Manual ______________________________________________ 21
Diagnostics
6.3.3 "Nothing observed on the screen" fault finding tree
Figure 6: “Nothing observed on the screen” fault finding tree
Nothing
observed on
screen
Power LED
blinking?
yes
no
Wait until the display
unit reaches a steady
state (wait 40 seconds)
Steady state
reached?
No further action
required
yes
yes
no
yes
no
yes
no
no
no
yes
Unit in hard standby
Press
Power LED
off?
Power LED
orange?
Power LED
green?
Apply a power source
that is conform to the
technical specifications
Power source
comform to the
technical speci-
fications?
Contact Barco
yes
yes
Steady state
reached?
Contact Barco
no
No further action
required
Press
OSD menu
visible?
no
Contact Barco
Input applied to
the display unit?
“Verify the input signal”
fault finding tree
Apply an input signal to
the display unit
LEDs not lighted
Check the “No
Power” fault
finding tree
Unit in soft standby
Press
Power LED
blinking?
Power LED
green?
yes
no
Contact Barco
yes
no