VIEWSONIC PJ510 - Manual (Page 42)

39 ViewSonic PJ510
Phenomena That May Easily Be Mistaken For Machine
Defects
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.
WARNING
Please carefully read the “PJ510 QUICK START 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.
Phenomenon
Cases not involving a machine defect,
and Items to be confirmed
Power does not come
ON.
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.
Neither sounds nor
pictures are output-
ted.
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
No signal is being inputted.
Correctly connect the connection cables.
Pictures are dis-
played,
but no sounds are
heard.
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.
Sounds are heard,
but no pictures are
displayed.
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.