Mitsubishi Electronics Pro 920 Problem Items to Check Location, Vertical refresh timing Size

Before calling your Authorized Product Support, please

5check that the items below are properly connected or set. TROUBLESHOOTING 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 Section 6. SPECIFICA- TIONS and Section 7. APPENDIX.

PROBLEM

ITEMS TO CHECK

LOCATION

LED On

•

Contrast and brightness controls.

•

Front (OSD)

(Green)

LED Off

•

Power switch.

•

Front

•

AC power cord disconnected.

•

Rear

No

picture

LED On

•

Signal cable disconnected.

•

Rear

•

Computer power switch.

•

Computer

(Amber)

•

Power management function is active.

• Press any key on the keyboard

or move the mouse.

The following message appeared.

•

Signal cable disconnected.

•

Rear

�

•

Computer power switch.

•

Computer

INPUT CHECK

H

V �

•

Power management function is active.

• Press any key on the keyboard

COLOR CHECK�

�

�

or move the mouse.

R

G

B

�

The following message appeared.

•

Input signal frequency range is too high or too low for the

•

Check the specification of

ATTENTION�

monitor to synchronize with.

graphics adapter.

SIGNAL FREQUENCY �

�

IS OUT OF RANGE.�

�

FH �24.8KHz

FV 43.0Hz�

�

PLEASE CHANGE �

SIGNAL TIMING.

•

Do "GEOMETRY-RESET" for a standard signal.

•

Front (OSD)

Display is miss-

•

Adjust HORIZ-SIZE, VERT-SIZE, HORIZ-PHASE, and

•

Front (OSD)

VERT-POSITION with non-standard signals.

ing, center shifts,

•

Monitor may not be able to get full-screen image depend on

or too small or too

signal. In this case, please select other resolution, or other

large of a display

vertical refresh timing.

size

•

Make sure you wait a few seconds after adjusting the size

of the image before changing or disconnecting the signal.

Display is dark or

•

"VIDEO LEVEL" is not at the appropriate position for your

•

Front (OSD)

picture

too bright

graphics adapter output.(0.7V or 1.0Vp-p)

•

Thin vertical black lines on one or both sides of the

•

–

Abnormal

screen. This minor condition is caused by grille element

overlap which can occur during shipping.

•

Position an open white window over the affected area of

the screen and maximize the brightness and contrast

Black vertical

controls. This will cause localized heating of the overlap

which will clear in a few minutes. Be sure to readjust the

lines are visible

brightness and contrast controls back to the normal

on the screen.

viewing levels after this procedure.

��

��

ENGLISH

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