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Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Video screen
display freezes.
Colors have a
faded- out
appearance, or
Color tone is
poor.
Pictures appear
dark.
Pictures appear
blurry.
Some kind
of image
degradation
such as
flickering or
stripes appear
on screen.
(continued on next page)
150
Cases not involving a machine defect
The FREEZE function is working.
Press the FREEZE button to restore the screen to normal.
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.
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB,
SMPTE240, REC709 or REC601.
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.
The projector is operating in Eco mode.
Set ECO MODE to OFF, and set AUTO ECO MODE to OFF,
in the SETUP menu.
The lamp is approaching the end of its product lifetime.
Replace the lamp.
When the internal temperature is high (even if the
ambient temperature is lower than 35°C), the brightness
of lamp might be reduced automatically.
Please clean or replace the air filter.
Either the focus and/or horizontal phase settings are
not properly adjusted.
Adjust the focus using the FOCUS button, and/or H PHASE
using the menu function.
The projection window is dirty or misty.
Clean the projection window referring to the section "Caring
for the projection window".
When the projector is operating in Eco mode, flickering
may appear on screen.
Set ECO MODE to OFF, and set AUTO ECO MODE to OFF,
in the SETUP menu.
The OVER SCAN ratio is too big.
Adjust OVER SCAN in the IMAGE menu smaller.
Excessive VIDEO NR.
Change the setting of VIDEO NR in the INPUT menu.
The FRAME LOCK function cannot work on the current
input signal.
Set FRAME LOCK in the INPUT menu to OFF.
Reference
page
35
44, 49
49
42
58
135, 136
137
31, 48
139
58
46
49
51
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