Dukane 28A8049B User Manual

Page 40

ENGLISH

WHAT TO DO WHEN YOU THINK A MACHINE DEFECT HAS OCCURRED (continued)

Phenomena That May Easily Be Mistaken for Machine Defects

Before requesting repair, check in accordance with the following chart.
If the situation cannot be corrected, then contact your dealer.

Although bright spots or dark spots may appear on the screen, this is a unique characteristic of liquid crystal displays, and
such do not constitute or imply a machine defect.

NOTE

Phenomenon

Cases not involving a machine defect

Items to be confirmed

Reference

Page(s)

Power does not
come ON

The main power source is not ON.

Turn on the main power.

Vol.1-3, 14

The electrical power cord is not plugged in.

Correctly connect the power cord.

The main power source has been
interrupted during operation, such as by
a power outage (blackout), etc.

Be sure to press the “

” (power OFF) side

of the main power switch, and leave this OFF
for approximately 20 minutes. After the unit
has sufficiently cooled down, turn ON the
power source.

Vol.1-14

No sound or
pictures are
outputted

The input changeover settings
are mismatched.

Select the input signal, and
correct the settings.

Vol.1-15

No signal is being inputted.

Correctly connect the connection cord.

Vol.1-10, 11

Pictures are
displayed, but no
sounds are heard

The electrical wiring to this unit
is not correctly connected.

Correctly connect the connection cord.

Vol.1-10, 11

The volume setting has been set at (or
adjusted to) an extremely low level.

Adjust the VOLUME setting to a higher level.

Vol.1-17

The MUTE mode is the current setting.

Press the MUTE button to release
(change) the MUTE mode setting.

Vol.1-17

Sounds are
heard, but no
pictures are
displayed

The electrical wiring to this unit
is not correctly connected.

Correctly connect the connection cord.

Vol.1-10, 11

The brightness setting has been set at
(or adjusted to) an extremely low level.

Adjust the BRIGHT setting to a
brighter level.

Vol.2-2

The lens cap has not been removed.

Remove the lens cap.

Vol.1-14

Colors have a faded-
out appearance
Color tone is poor

Color depth setting or color tone setting

Perform picture adjustments by changing the
COLOR BAL R, the COLOR BAL B, and/or the
TINT settings, etc.

Vol.2-3

Pictures appear
dark

The brightness setting and/or contrast
setting has not been properly adjusted.

Perform picture adjustments by changing the
BRIGHT and/or CONTRAST settings, etc.

Vol.2-2

The WHISPER mode is the current
setting.

Change (by releasing) from the
WHISPER mode.

Vol.2-6

Lamp is approaching the end of its
product lifetime.

Exchange the old lamp with a new
lamp.

Vol.1-25, 26

Pictures appear
blurry

Either the FOCUS setting or the H
PHASE is not properly adjusted.

Adjust the FOCUS and H PHASE settings.

Vol.1-15
Vol.2-3