JVC D-ILA DLA-S15U Manuel D'instructions page 53

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 a JVC-authorized dealer or service center.
Symptom
Power is not supplied. • Is the power cord disconnected?
• Is the main power switch turned on?
• Is the lamp-replacement opening cover
• Is the air filter closed correctly?
• Has the lamp life expired? (Has the
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
stops in a few minutes.
Video image does not • Is the correct input selected?
appear, or audio
sound does not occur.
• Are connected devices connected
• Are signals being supplied from the
• Are input signals (scanning frequency,
• Is the source setting correctly selected?
• Is brightness adjusted correctly?
• Is volume set at minimum?
• Aren't video and audio turned off by
Video image dims. • Is focus adjusted correctly?
• Is distance too short or too long?
• Are TRACKING and PHASE adjusted
Color is poor or • Is picture quality (color density, etc.)
unstable.
• Is the correct broadcast system (color
• Are signals (scanning frequency, etc.)
• Is the source setting correctly selected?
52
Probable cause
closed correctly?
lamp use time reached 1000 hours?)
blocked?
correctly?
connected devices?
etc.) appropriate?
Isn't a wrong source (forced mode)
selected?
pressing the remote control's AV
MUTING button?
correctly?
adjusted correctly?
system) selected?
to connected devices appropriate?
Isn't a wrong source (forced mode)
selected?
Corrective action
• Insert the power cord (plug) firmly.
• Turn on the MAIN POWER switch.
• Turn off the MAIN POWER switch,
close the lamp-replacement opening
cover, and turn on the main power
switch again.
• Turn off the MAIN POWER switch, fit
the air 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.
• Remove the lens cap.
• Check the lamp use time on the menu,
and if the lamp life is near its end,
arrange for a replacement lamp, or
replace a little earlier.
• Turn off the MAIN POWER switch,
remove any blocking objects, and turn
on the MAIN POWER switch again.
• Select the correct inputs with the
VIDEO and COMPUTER buttons.
• Connect connected devices correctly.
• Set connected devices correctly.
• Check if the signal is correct as input
(scanning frequency, etc.).
Input the appropriate signal.
• Set the source setting to AUTO or to
the correct dedicated source (forced
mode).
• Adjust brightness on the menu.
• Adjust volume with the remote control's
VOL. (+/–) buttons.
• Press the remote control's AV MUTING
button to turn video and audio on.
• Adjust focus with the remote control's
FOCUS (+/–) buttons.
• Set the projector at the correct
distance.
• Adjust TRACKING and PHASE on the
menu.
• Adjust picture quality on the menu.
• Set the broadcast system (color
system) to AUTO.
• Check if the signal is appropriate
(scanning frequency, etc.), and input
the appropriate signal.
• Set the source setting to AUTO. If the
problem still persists, set it to the
correct dedicated source (forced
mode).
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