70
Troubleshooting
• Although bright spots or dark spots may appear on the screen, this
is a unique characteristic of liquid crystal displays, and it does not constitute or
imply a machine defect.
NOTE
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon Cases not involving a machine defect
Reference
page
Video screen
display freezes.
The FREEZE function is working.
Press FREEZE button to restore the screen to normal.
23
Colors have a
faded- out
appearance, or
Color tone is
poor.
Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR
TEMP, COLOR, TINT and/or COLOR SPACE settings,
using the menu functions.
27, 29,
33
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB,
SMPTE240, REC709 or REC601.
33
Pictures appear
dark.
The brightness and/or contrast are adjusted to an
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a
higher level using the menu function.
27, 28
The whisper function is working.
Select NORMAL for WHISPER item in the SETUP menu.
27, 37
The lamp is approaching the end of its product
lifetime.
Replace the lamp.
59, 60
Pictures appear
blurry.
Either the focus and/or horizontal phase settings are
not properly adjusted.
Adjust the focus using the focus ring, and/or H PHASE
using the menu function.
21, 32
The lens or mirror is dirty or misty.
Clean the lens or mirror referring to the section “Caring for
the lens”.
63
The picture is
distorted or
shifted.
Projector is tilted inappropriately.
Adjust the projector's elevator feet.
20
Lens door is not completely open.
Use the LENS DOOR OPEN function.
22
The shape of picture is not corrected appropriately.
Use the keystone correction or PERFECT FIT function.
22
RS-232C does
not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
menu.
38
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