3M S10C - Manual (Page 41)

41
WARNING • Please carefully read the “Product 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.
Phenomena That May Easily Be Mistaken For Machine Defects
• 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
Before requesting repair, please check in accordance with the following chart. If the
situation cannot be corrected, then contact your dealer.
Phenomenon
Cases not involving a machine defect,
and Items to be confirmed
Reference
pages
Power does not
come ON.
The main power source is not ON.
Turn on the main power.
11,14
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 at least 20 minutes. After the unit has
sufficiently cooled down, turn ON the power source.
14
Neither sounds
nor pictures are
outputted.
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
15
No signal is being inputted.
Correctly connect the connection cables.
10
Pictures are
displayed,
but no sounds
are heard.
The electrical wiring to this unit is not correctly connected.
Correctly connect the connection cables.
10
The volume setting has been set at (or adjusted to) an
extremely low level.
Adjust the VOLUME setting to a higher level.
17
The MUTE mode is the current setting.
Press the MUTE button to release (change) the MUTE mode setting.
17
Sounds are
heard,
but no pictures
are displayed.
The electrical wiring to this unit is not correctly connected.
Correctly connect the connection cables.
10
The brightness setting has been set at (or adjusted to) an
extremely low level.
Adjust the BRIGHT setting to a brighter level.
23
The lens cap has not been removed.
Remove the lens cap.
4,14
Colors have a
faded- out
appearance, or
Color tone is
poor.
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.
24
Troubleshooting (continued)