Troubleshooting - Mitsubishi DIAMOND PRO 900U NFJ9905SKHUW User Manual

5
5

TROUBLESHOOTING

Before calling your Authorized Product Support, please check that the items below are properly
connected or set.
In case of using a non-standard signal, please check the pin assignments and the signal timing of your
computer with the specification outlined in 6. SPECIFICATION and 7. APPENDIX.
PROBLEM
LED On
(Green)
LED Off
No
picture
LED On
(Amber)
The following message appeared.
ATTENTION ATTENTION
NO SIGNAL NO SIGNAL
H H OFF V OFF V OFF OFF
PLEASE CHECK PLEASE CHECK
INPUT INPUT SIGNAL SIGNAL OR OR
CONNECTION. CONNECTION.
The following message appeared.
ATTENTION ATTENTION
SIGNAL FREQUENCY SIGNAL FREQUENCY
IS OUT OF RANGE. IS OUT OF RANGE.
FH 24.8KHz 24.8KHz FV FV 43.0Hz 43.0Hz
PLEASE CHANGE PLEASE CHANGE
SIGNAL TIMING. SIGNAL TIMING.
Display is miss-
ing, center shifts,
or too small or too
large of a display
size
Display is dark or
too bright
ITEMS TO CHECK
•
Contrast and brightness controls.
• Power switch.
•
AC power cord disconnected.
•
Signal cable disconnected.
•
BNC cables are misconnected or the green cable
is disconnected.
• Computer power switch.
•
Power management function is active.
•
Signal cable disconnected.
•
BNC cables are misconnected or the green cable
is disconnected.
• Computer power switch.
•
Power management function is active.
•
Input signal frequency range is disagreement.
CGA MODE is not available.
MDA MODE is not available.
EGA MODE is not available.
•
Do "GEOMETRY-RESET" for a standard signal.
•
Adjust H-SIZE, V-SIZE, H-PHASE, and V-POSI-
TION with non-standard signals.
•
Monitor may not be able to get full-screen image
depend on signal. In this case, please select other
resolution, or other vertical refresh timing.
•
Make sure you wait a few seconds after adjusting
the size of the image before changing or discon-
necting the signal.
•
Input video signal level select is not at the appropri-
ate position for your graphics adapter output.(0.7V
or 1.0Vp-p)
- 1-32 -
LOCATION
• Front
(Adjust to the maxi-
mum brightness or
push the reset button)
•
Front
• Rear
• Rear
• Check the graphics
adapter and cables
•
Computer
• Check the power man-
agement function.
•
Rear
• Check the graphics
adapter and cables
•
Computer
• Check the power man-
agement function.
•
Check the specifica-
t i o n o f g r a p h i c s
adapter and monitor
•
Front (OSD)
• Front (OSD)
•
Front (OSD)