Christie Digital Systems Lx400 User Manual

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Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
►Never use the projector if abnormal operations such as smoke, 
strange odor, excessive sound, damaged casing or elements or cables, penetration 
of liquids or foreign matter, etc. should occur. In such cases, immediately turn off the 
power switch and then disconnect the power plug from the power outlet. After making 
sure that the smoke or odor has stopped, contact your dealer or service company.WARNING
(Continued on next page)
Phenomenon Cases not involving a machine defectReference
page
Power does not 
come on.
The electrical power cord is not plugged in.Correctly connect the power cord.12
The power switch is not set to the on position.Set the power switch to [ | ] (On).16
The main power source has been interrupted during 
operation such as by a power outage (blackout), etc.
Please turn the power off, and allow the projector to cool 
down at least 2 minutes, then turn the power on again.16
Either there is no lamp and/or lamp cover, or either 
of these has not been properly fixed.
Please turn the power off, and allow the projector to cool down at 
least 45 minutes. After the projector has sufficiently cooled down, 
please make confirmation of the attachment state of the lamp and 
lamp cover, and then turn the power on again.60
Neither sounds
nor pictures are
outputted.
The signal cables are not correctly connected.Correctly connect the connection cables.10
Signal source does not correctly work.Correctly set up the signal source device by referring to the 
manual of the source device.–
The input changeover settings are mismatched.Select the input signal, and correct the settings.17, 18
The BLANK function for pictures and the MUTE function for 
sounds are working.
AV Mute may be active. Refer to the item “Sound does not come out” and “No 
pictures are displayed” on the next page to turn off the MUTE and BLANK functions.17, 22
1.Before requesting repair, please check in accordance with the 
following chart.  This operation sometimes resolves your problem. 
If the situation cannot be corrected, 
2.The projector’s microprocessor may need to be reset.  
Please push the Shutdown switch by using a pin or similar and the projector will be turned off immediately.
Before turning it again, wait at least 10 minutes to make the projector cool down enough.
3.Some setting may be wrong. Please use the FACTORY RESET function of the SERVICE item in the 
OPTION menu (
46) to reset all settings to factory default. 
Then, if the problem is not removed after the remedy, please contact your dealer or service company.
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Troubleshooting
Phenomena that may be easily mistaken for machine defects (continued)
(Continued on next page)
Phenomenon Cases not involving a machine defectReference
page
Sound does not 
come out.
The signal cables are not correctly connected.Correctly connect the audio cables.10
The MUTE function is working.Restore the sound pressing the MUTE or VOLUME button 
on the remote control.17
The volume is adjusted to an extremely low level.Adjust the volume to a higher level using the menu function 
or the remote control.17
The AUDIO setting is not correct.Correctly set the items in the AUDIO menu.37
The audio on your HDMI equipment is not set to Linear PCM.The HDMI input on this projector supports Linear PCM audio 
only. Check the audio setting on your HDMI equipment.11
The audio on the HDMI input is muted.Change the audio setting in the AUDIO menu.37
The digital audio in HDMI signal does not work well.Use the analogue audio, connecting either an RCA audio 
cable or stereo mini cable.10
No pictures are 
displayed.
The lens cover is attached.Remove the lens cover.3, 16
The signal cables are not correctly connected.Correctly connect the connection cables.10
The brightness is adjusted to an extremely low level.Adjust BRIGHTNESS to a higher level using the menu 
function or the remote control.25, 26
The computer cannot detect the projector as a plug and play monitor.Make sure that the computer can detect a plug and play 
monitor using another plug and play monitor.11
The BLANK screen is displayed.Press the BLANK button on the remote control.22
No pictures 
or disturbed 
pictures are 
displayed on 
HDMI input.
The HDMI cable is not correctly connected.Correctly connect the HDMI cable.10
Your HDMI equipment is not compatible with the projector
This projector can be connected with another equipment that has HDMI or 
DVI connector, but with some equipment the projector may not work properly. 11
Your HDMI equipment and the projector are not harmonized.Turn off the both equipment, and turn on them again–
The signal format on the HDMI is not supported.Check the video setting on your HDMI equipment.11
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Troubleshooting
• Although bright spots or dark spots may appear on the screen, this 
is a unique characteristic of liquid crystal displays, and it does not constitute or 
imply a machine defect. NOTE
Phenomenon Cases not involving a machine defectReference
page
Video screen
display freezes.The FREEZE function is working.
Press the FREEZE button to restore the screen to normal.21
Colors have a
faded- out
appearance, or
Color tone is 
poor.
Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR 
TEMP, COLOR, TINT and/or COLOR SPACE settings, 
using the menu functions.25, 27, 
31
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB, 
SMPTE240, REC709 or REC601. 31
Pictures appear 
dark.
The brightness and/or contrast are adjusted to an 
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a 
higher level using the menu function.25, 26
The WHISPER function is working.
Select NORMAL for the WHISPER item in the SETUP 
menu.25, 36
The lamp is approaching the end of its product 
lifetime.
Replace the lamp.60, 61
Pictures appear
blurry.
Either the focus and/or horizontal phase settings are 
not properly adjusted.
Adjust the focus using the focus ring, and/or H PHASE 
using the menu function.19, 30
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”.65
Pictures are 
trembling.
The exhaust ventilation holes at front is blocked by 
some objects.
Remove any objects from front side of the projector.4
Phenomena that may be easily mistaken for machine defects (continued)
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Warranty and after-ser vice / Specifications
Warranty and after-service
If a problem occurs with the equipment, first refer to the “Troubleshooting” and 
run through the suggested checks. If this does not resolve the problem, please 
contact your dealer or service company. They will tell you what warranty condition 
is applied.
Specifications
• These specifications are subject to change without notice. NOTE
Item Specifications
Product name Liquid crystal projector
Liquid
Crystal
PanelPanel size 2.0cm (0.79 type)
Drive system TFT active matrix
Pixels 786,432 pixels (1024 horizontal x 768 vertical)
Lens Zoom lens F=1.7 ~ 1.9  f=24 ~ 29 mm (approx.)
Lamp 275W UHB
Audio output 4W x 4
Power supply AC 100-120V/5.0A, AC220-240V/2.1A
Power consumption 460W
Temperature range 5 ~ 35°C (Operating)
Size418 (W) x 139 (H) x 319 (D) mm
(Not including protruding parts)
* Please refer to the following figure.
Weight (mass) 7.1kg (approx.)
Ports
RGB1  ..................................................... D-sub 15 pin mini x 1
RGB2 G/Y, B/CB/PB, R/CR/PR, H, V ............................. BNC x 5
S-VIDEO  ...................................................... mini DIN 4 pin x 1
VIDEO  ........................................................................ RCA x 1
Y,  C
B/PB, CR/PR (component video)  ............................ RCA x 3
HDMI  ......................................................................... HDMI x1
AUDIO IN1 ....................................................... Stereo mini x 1
AUDIO IN2 ....................................................... Stereo mini x 1
AUDIO IN3 R/L  ........................................................... RCA x 1
AUDIO IN4 R/L  ........................................................... RCA x 1
RGB OUT ............................................... D-sub 15 pin mini x 1
AUDIO OUT  ..................................................... Stereo mini x 1
USB  ...................................................................... USB (B) x 1
REMOTE CONTROL  ........................................ Stereo mini x1
CONTROL  ....................................................... D-sub 9 pin x 1
LAN ............................................................................ RJ45 x 1
Optional partsLamp: 003-002118-01
 (DT00873)
Air filter: 003-002119-01 (MU05661)
* For more information, please consult your dealer.
003-120457-01
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Specifications
Specifications (continued)
[unit: mm]
418
319 154139
LX400 User Manual - Operating Guide 020-000169-01 Rev. 1 (04-2009)