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8
8. Appendx
No image is displayed from your PC or video equipment to the
projector.
Still no image even though you connect the projector to the
PC first, then start the PC.
Enabling your notebook PC’s signal output to the projector.
A combination of function keys will enable/disable the
external display. Usually, the combination of the “Fn” key
along with one of the 12 function keys turns the external
display on or off.
No image (blue background, logo, no display).
Still no image even though you press the AUTO ADJ. but-
ton.
Still no image even though you carry out [RESET] in the
projector’s menu.
Signal cable’s plug is fully inserted into the input connector
A message appears on the screen.
( )
The source connected to the projector is active and available.
Still no image even though you adjust the [BRIGHTNESS]
and/or the [CONTRAST].
Input source’s resolution and frequency are supported by
the projector.
Image is too dark.
Remains unchanged even though you adjust the [BRIGHT-
NESS] and/or the [CONTRAST].
Image is distorted.
Image appears to be trapezoidal (unchanged even though
you carry out the [KEYSTONE] adjustment).
Troubleshooting Check List
Beforecontactingyourdealerorservicepersonnel,checkthefollowinglisttobesurerepairsareneededalsoby
referringtothe“Troubleshooting”sectioninyourusersmanual.Thischecklistbelowwillhelpussolveyourprob
-
lemmoreefciently.
*Printthefollowingpages.
Frequency of occurrence
always
sometimes (How often? )
other ( )
Power
No power (POWER indicator does not light green) See also
“Status Indicator (STATUS)”.
Power cable’s plug is fully inserted into the wall outlet.
Lamp cover is installed correctly .
The two screws on the lamp housing are completely tight-
ened.
The cooling pump is installed correctly.
[LAMP HOURS USED] (lamp operation hours) was cleared
after lamp replacement.
No power even though you press and hold the POWER but-
ton for a minimum of 1 second.
Shut down during operation.
Power cable’s plug is fully inserted into the wall outlet.
Lamp cover is installed correctly .
[AUTO POWER OFF] is turned off (only models with the
[AUTO POWER OFF] function).
[OFF TIMER] is turned off (only models with the [OFF
TIMER] function ).
Video and Audio
Parts of the image are lost.
Still unchanged even though you press the AUTO ADJ. but-
ton.
Still unchanged even though you carry out [RESET] in the
projector’s menu.
Image is shifted in the vertical or horizontal direction.
Horizontal and vertical positions are correctly adjusted on
a computer signal.
Input source’s resolution and frequency are supported by
the projector.
Some pixels are lost.
Image is flickering.
Still unchanged even though you press the AUTO ADJ. but-
ton.
Still unchanged even though you carry out [RESET] in the
projector’s menu.
Image shows flickering or color drift on a computer signal.
Still unchanged even though you change [FAN MODE] from
[HIGH ALTITUDE] to [AUTO].
Image appears blurry or out of focus.
[AUTO FOCUS] is turned on.
There are no objections between the focus sensor and the screen.
The throw distance is within 1.5 to 5.5 m/57.1” to 216.5”.
Image is projected onto the screen.
Still unchanged even though you adjusted the focus manually
No sound.
Audio cable is correctly connected to the audio input of the
projector.
Still unchanged even though you adjusted the volume level.
Other
Remote control does not work.
No obstacles between the sensor of the projector and the
remote control.
Projector is placed near a fluorescent light that can disturb
the infrared remote controls.
Batteries are new and are not reversed in installation.
Buttons on the projector cabinet do not work ( only models
with the [CONTROL PANEL LOCK] function).
[CONTROL PANEL LOCK]
is not turned on or is disabled in
the menu.
Still unchanged even though you press and hold the EXIT
button for a minimum of 10 seconds.
94


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