Phenomena That May Easily Be Mistaken For Machine Defects - Dukane 8044 User Manual

Troubleshooting (continued)

Phenomena That May Easily Be Mistaken For Machine Defects

WARNING • Please carefully read the "User's Manual - Safety Guide".
Never use the projector if abnormal operations such as smoke, strange odor, excessive
sound, damaged casing or elements or cables, penetration of liquids or foreign matter,
etc. should occur.
NOTE
• 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.
Before requesting repair, please check in accordance with the following chart. If the
situation cannot be corrected, then contact your dealer.
Phenomenon
Power does not
come ON.
Neither sounds
nor pictures are
outputted.
Pictures are
displayed,
but no sounds
are heard.
Sounds are
heard,
but no pictures
are displayed.
Colors have a
faded- out
appearance, or
Color tone is
poor.
Cases not involving a machine defect,
The main power source is not ON.
Turn on the main power.
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 at least 20 minutes. After the unit has
sufficiently cooled down, turn ON the power source.
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
No signal is being inputted.
Correctly connect the connection cables.
The electrical wiring to this unit is not correctly connected.
Correctly connect the connection cables.
The volume setting has been set at (or adjusted to) an
extremely low level.
Adjust the VOLUME setting to a higher level.
The MUTE mode is the current setting.
Press the MUTE button to release (change) the MUTE mode setting.
The electrical wiring to this unit is not correctly connected.
Correctly connect the connection cables.
The brightness setting has been set at (or adjusted to) an
extremely low level.
Adjust the BRIGHT setting to a brighter level.
The lens cap has not been removed.
Remove the lens cap.
Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR BAL R,
COLOR BAL G, COLOR BAL B, COLOR, and/or the TINT settings,
etc.
and Items to be confirmed
Reference
pages
11,14
14
15
10
10
17
17
10
23
4,14
24
41