JVC DLA-G150CLE Manuel D'instructions page 66

Troubleshooting
Solutions to common problems related to your projector are described here. If none of the solutions presented here solves the
problem, unplug the projector and consult an authorized dealer or Service Center.
Symptom
Power is not • Is the power cord disconnected?
supplied.
• Is the MAIN POWER switch turned
on?
• Is the fuse blown?
• Is the lamp-replacement opening cover
closed correctly?
• Is the filter closed correctly?
• Has the lamp life expired? (Has the
lamp use time reached 1000 hours in
the normal mode?)
(Has the lamp use time reached 2000
hours in the LPC or LOC mode?)
Light is not emitted, • Is the lens cap removed?
or light level is low.
• Is the lamp life near its end?
With power on, • Is the air intake or exhaust area
operation starts but blocked?
stops in a few
minutes.
Video image does not • Is the correct input selected?
appear.
• Are devices connected correctly?
• Are signals being supplied from the
connected devices?
• Are input signals (scanning frequency,
etc.) appropriate?
• Is the correct color system selected?
• Is brightness adjusted correctly?
• Is video turned off by pressing the
HIDE button?
• During DVI input, are image signals
output from the computer graphic
board (DVI output terminal)?
(During DVI input, depending on the
computer settings, there may be no
signal input or an error may occur (blue
screen).)
Video image dims. • Is focus adjusted correctly?
• Is distance too short or too long?
• Are Tracking and Phase adjusted
correctly?
Video image is • Is picture quality (Brightness, etc.)
abnormally dark or adjusted correctly?
bright.
Video image freezes. • Was the FREEZE button on the
remote control pressed?
64
All manuals and user guides at all-guides.com
Probable cause
• Insert the power cord (plug) firmly.
• Turn on the MAIN POWER switch.
• Turn off the MAIN POWER switch and
• Turn off the MAIN POWER switch, close
• Turn off the MAIN POWER switch, fit the
• Remove the lens cap.
• Check the lamp use time on the menu, and
• Turn off the MAIN POWER switch, remove
• Select the correct input with the VIDEO and
• Connect devices correctly.
• Set connected devices correctly.
• Check if the signal is appropriate (scanning
• Set the color system to AUTO or to the
• Adjust brightness on the menu.
• Press the HIDE button to turn video on.
• If this happens, turn off the power to both
• Adjust focus.
• Set the projector at the correct distance.
• If satisfactory results are not obtained by
• Adjust picture quality on the menu.
• Press the FREEZE button to release
Corrective action
check the fuse.
If it is blown, replace it
the lamp-replacement opening cover
correctly, and turn on the MAIN POWER
switch again.
filter correctly, and turn on the MAIN
POWER switch again.
• Turn off the MAIN POWER switch, replace
with a new light-source lamp, and turn on
the MAIN POWER switch.
Reset the lamp use time after replacing with
a new lamp.
if the lamp life is near its end, arrange for a
replacement lamp, or replace a little earlier.
any blocking objects, and turn on the MAIN
POWER switch again.
PC buttons.
frequency, etc.) and input the appropriate
signal.
correct dedicated color system.
the projector and the computer, and then
turn the projector back on before turning the
computer on again. Then correctly set the
computer's graphic board.
pressing the QUICK ALIGN. button to
conduct quick alignment, adjust Tracking
and Phase on the menu.
freezing.
Page
30
32
57
7, 32, 60
7, 32, 63
32, 58,
59, 62
30
56, 58,
59
6, 7, 32
9, 13
11, 22
–
22, 23
45
49
10, 12,
35
22
12, 34
18, 76,
77
13, 36,
47
49
12, 37