JVC DLA-VS4500 Instruction Manual - Page 47

Troubleshooting

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Troubleshooting Before sending the unit to your authorized dealer for repair, please check the following points. The following symptoms are not malfunctions. You do not need to worry about the following symptoms if there is no abnormality on the screen. 0 A part of the top or front surface of the unit is hot. 0 A creaking sound is heard from the unit. 0 An operating sound is heard from the inside of the unit. 0 Color smear occurs on some screens. This unit is a digital device. This unit may become unable to operate normally due to external static or noise. Perform the following operations when such malfunctions occur. A If the unit is in the Standby mode, pull out the power plug, followed by inserting it again B Press the A button on the projector unit to turn on the power again Power is not supplied Check Is the power cord disconnected? Is the unit in the Cool-down mode? Action Refer to Insert the power cord (plug) firmly. P. 22 After exiting the Cool-down mode, turn on the power again. P. 24 Power shuts down automatically Check Action Has "Off Timer" been configured? Set "Off Timer" to "Off". Are the air inlets and exhaust vent blocked? Leave proper clearance when installing the unit. Is there a large amount of dirt attached to Remove the dirt using a vacuum cleaner. the sponge filter? Refer to P. 42 P. 12, 17 P. 45 Video image does not appear Check Action Refer to Is the correct external input selected? Select the correct external input terminal. P. 23 Is the power of the AV device or PC turned on? Turn on the power of the AV device or PC and play the P. 21 video. Is the AV device or PC properly connected? Connect the AV device or PC properly. P. 21 Are the correct signals being output from Set the AV device or PC properly. the AV device or PC? P. 21 Is an intermediate device (AV amplifier, Change the sequence of turning on the source device, P. 21 divider, etc.) in use? intermediate device and the projector. And after turning on each device, ensure that the signal output is stable before turning on the next device. Troubleshooting 47

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Troubleshooting
Before sending the unit to your authorized dealer for repair, please check the following points.
The following symptoms are not malfunctions.
You do not need to worry about the following symptoms if there is no abnormality on the screen.
0
A part of the top or front surface of the unit is hot.
0
A creaking sound is heard from the unit.
0
An operating sound is heard from the inside of the unit.
0
Color smear occurs on some screens.
This unit is a digital device. This unit may become unable to operate normally due to external static or noise.
Perform the following operations when such malfunctions occur.
A
If the unit is in the Standby mode, pull out the power plug, followed by inserting it again
B
Press the
A
button on the projector unit to turn on the power again
Power is not supplied
Check
Action
Refer to
Is the power cord disconnected?
Insert the power cord (plug) firmly.
P. 22
Is the unit in the Cool-down mode?
After exiting the Cool-down mode, turn on the power again.
P. 24
Power shuts down automatically
Check
Action
Refer to
Has “Off Timer” been configured?
Set “Off Timer” to “Off”.
P. 42
Are the air inlets and exhaust vent
blocked?
Leave proper clearance when installing the unit.
P. 12, 17
Is there a large amount of dirt attached to
the sponge filter?
Remove the dirt using a vacuum cleaner.
P. 45
Video image does not appear
Check
Action
Refer to
Is the correct external input selected?
Select the correct external input terminal.
P. 23
Is the power of the AV device or PC
turned on?
Turn on the power of the AV device or PC and play the
video.
P. 21
Is the AV device or PC properly
connected?
Connect the AV device or PC properly.
P. 21
Are the correct signals being output from
the AV device or PC?
Set the AV device or PC properly.
P. 21
Is an intermediate device (AV amplifier,
divider, etc.) in use?
Change the sequence of turning on the source device,
intermediate device and the projector. And after turning on
each device, ensure that the signal output is stable before
turning on the next device.
P. 21
47
Troubleshooting