Troubleshooting - JVC D-ILA DLA-QX1G Manuel D'instructions

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 your dealer.
Symptom
Power is not • Is the power cord disconnected?
supplied.
• Is the MAIN POWER switch turned
on?
• Is the correct power voltage used?
• Has the breakertripped open?
• Has the lamp protective function
activated? (This can occur if the
power is shut down due to a power
failure, etc.)
Light is not • Is the lens cap removed?
emitted, or light
• Is the internal shutter closed?
level is low.
• Is the lamp life near its end?
• Has the projector been moved
from its installed place?
With power on, • Is the intake or exhaust vents
operation starts blocked?
but stops in a few
minutes.
Video image does • Is the correct input selected?
not appear.
• Are the devices connected
correctly?
• Are signals being supplied from
the connected devices?
• Are input signals (scanning
frequency, etc.) appropriate?
Video image dims. • Is brightness adjusted correctly?
• Is focus adjusted correctly?
• Is distance too short or too long?
Video image is • Are Tracking and Phase adjusted
unstable. correctly?
Video image is • Is Brightness adjusted correctly?
abnormally dark
• Is the correct Clamp selected?
or bright.
Image color is • Is picture quality (color density,
poor or image is etc.) adjusted correctly?
disturbed.
• Are signals (scanning frequency,
etc.) from connected devices
appropriate?
• Are specifications of the signal
being input matching those of the
VIC?
• Is the input cable connected
correctly?
Probable cause Corrective action
• Insert the power cord (plug) firmly.
• Turn on the MAIN POWER switch.
• Check that AC 200V to 240V is supplied.
• Check that the breaker is closed.
Make sure of the capacity of the breaker.
• Wait until the lamp has cooled down. (Turn
on the main power and let the fans cool
the lamp.)
About 10 minutes later, press the remote
control unit's OPERATE button.
• Remove the lens cap.
• Open the internal shutter by pressing the
remote control unit's SHUTTER OFF
button.
• Check the lamp use time on the menu,
and if the lamp life is near its end, consult
your dealer to arrange for a replacement
lamp.
• Check the installed position.
• Turn off the MAIN POWER switch, remove
any blocking objects, and turn on the
MAIN POWER switch again.
• Select the correct inputs with VIC SELECT
(or VIC) 1,2, and 3 buttons.
• Connect the devices correctly.
• Set connected devices correctly.
• Check if the signal is correct as input
(scanning frequency, etc.).
Input the appropriate signal.
• Adjust brightness on the menu.
• Adjust focus with the remote control unit's
FOCUS +/– buttons.
• Set the projector at the correct distance.
• Adjust Tracking and Phase on the menu.
• Adjust picture quality on the menu.
• Select the correct Clamp on the menu.
• Adjust picture quality on the menu.
• Check if the signal is appropriate
(scanning frequency, etc.), and input the
appropriate signal.
• Check specifications of both signal being
input and VIC.
• Check cable connections.
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