JVC D-ILA DLA-QX1G Manuel D'instructions page 54

Troubleshooting (Cont.)
Symptom
Specific colors fail • Has the lamp's life come to its
to be displayed.
The upper part of • While computer system signal is
the video image
bows or distorts.
• Isn't signal with much jitter or skew
The projection • Is sync signal being input
position on the
screen has • Has the projector been moved?
shifted.
Video image • Isn't video turned off by pressing
suddenly goes
out.
• Are all video signals being input
Lens shift • Is the shift center lock pin for
adjustment is not
possible.
Remote control • Are batteries installed correctly?
unit does not
work.
• Are batteries exhausted?
• Is there a shielding object between
• Is the distance too long?
• Is the remote control unit's
* This projector is equipped with a microcomputer that may operate abnormally due to interference from external components.
If this happens, turn off the main power and disconnect the power cord from the wall AC outlet. Then reconnect the power cord
to AC outlet and turn on the main power again.
For the turning on and off the main power, refer to pages 32 and 33.
52
Probable cause
end?
input, isn't a sync signal for
composite sync (Cs) or G on sync
being input?
distortion being input from a VCR?
correctly?
the remote control unit's HIDE
button?
correctly?
shipment left attached?
the remote control unit and the
remote sensor?
LOCKÔUNLOCK switch set to
LOCK?
Corrective action
• Check the lamp's use hours on the menu,
and if the lamp life is near its end, consult
the dealer where you purchased the
projector.
• Input separate sync signals for vertical
sync (V) and horizontal sync (H) signals.
• Input signals with little jitter or distortion.
• Check sync signal and related connection.
• Check the installed position.
• Press the remote control unit's HIDE
button to turn video on.
• Check signals and connections.
• Remove the shift center lock pin, and then
make adjustments. (For how to remove the
shift center lock pin, consult the dealer
where you purchased the projector.)
• Match the polarities of batteries correctly
(+ to + and – to –).
• Replace with new batteries.
• Remove any shielding objects.
• Use the remote control unit at a nearer
point.
• Set the remote control unit's
LOCKÔUNLOCK switch to UNLOCK.
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