JVC DLA-SH7NL - Manual (Page 52)

52
Others
Troubleshooting (Cont’d)
Symptom Probable Cause Corrective Action
Reference
Page
Video image is
blur
● Is the projector out of focus? ● Adjust the focus using AFocusB of the
Lens menu.
A Page 31,
40
● Is the projection distance too short
or too long?
● Set it to a correct distance. A Page 18,
19
Image is
unusually dark
or bright ● Is the brightness level properly
adjusted?
● Adjust accordingly using ABrightnessB
of the Image menu.
● Adjust ALamp PowerB in the Option
menu.
A Page 37
A Page 41
Coloring of the
image is poor or
distorted
● Is the contrast level properly
adjusted?
● Adjust accordingly using AContrastB of
the Image menu.
A Page 37
● Are the signals of the connected
devices possible input signals?
● Check to ensure that they are possible
input signals, and input compatible
signals accordingly.
A Page 20,
22
● Is the input cable correctly
connected?
● Connect the input cable correctly. A Page 21,
23
Projection
position on the
screen has
shifted
● Has the setup position of the
projector been shifted?
● Check the setup position of the
projector.
^
Image
disappears
suddenly
● Are the video signals correctly
input?
● Check the signals and connection. A Page 20 to
23
Images do not
appear on the
two-screen
mode display ● Are the DVI 1 and DVI 3 terminals
connected for input?
● To display images in the two-screen
mode, connect the DVI 1 and DVI 3
terminals. The left screen displays
images of the DVI 1 terminal, and the
right screen displays images of the
DVI 3 terminal.
A Page 22,
23
Images do not
appear
immediately
after power is
turned on ● Formatting is in progress. ● Please wait for a maximum duration of
3 minutes for the formatting progress
to end.
A Page 30
The screen does
not darken
immediately
when the
projection has
ended
● The ending process is in progress. ● Please wait for a maximum duration of
2 minutes for the ending progress to
complete after several hours of image
projection.
A Page 31