Canon projector LV7250 User Manual

52
6. Maintenance
3. Reinstall the new filter cover.
NOTE: Do not wash the filter with soap and water. Soap and water will damage the filter membrane. Before replacing the filter,
remove dust and dirt from the projector cabinet. Keep out dust and dirt during filter replacement.
NOTE: When you replace the lamp, it is also wise to replace the filter. The filter comes in the same package with your
replacement lamp.
4. Turn on the projector.
5. Reset the Filter counter. See page 50.
PUSH

 Cleaning the...

53
6. Maintenance
 Replacing the Lamp
After your lamp has been operating for 2000* hours (up to 3000* hours in Quiet mode) or longer, the LAMP indicator
in the cabinet will blink red and the message “Replace with the new lamp.” will appear. Even though the lamp may
still be working, replace it at 2000* (up to 3000* hours in Quiet mode) hours to maintain optimal projector performance.
After replacing the lamp, be sure to clear the lamp counter. See page 50.
CAUTION
•DO NOT TOUCH THE LAMP immediately...

54
6. Maintenance
Interlock
3. Remove the lamp.
(1)Loosen the two screws securing the lamp until the phillips screwdriver goes into a freewheeling condition. The
two screws are not removable.
NOTE: Do not remove any screws except these two screws.
(2)Remove the lamp by holding it.
NOTE: There is an interlock on this case to prevent the risk of electrical shock. Do not attempt to circumvent this interlock.
1
1
2
3
2. Remove the lamp cover.
(1) Press firmly and slide the lamp cover by 1 cm (0.4”)
• Do not...

55
6. Maintenance
6. Connect the supplied power cord, turn on the Main Power switch and turn on the projector.
7. Finally, select the menu 
→ [Reset] → [Lamp counter] to reset the lamp usage hours.
NOTE: When the lamp exceeds 2100* hours (up to 3100* hours in Quiet mode) of service, the projector cannot turn on and the
menu is not displayed.
If this happens, press the INFO. button on the remote control for ten seconds to reset the lamp clock back to zero.
When the lamp time clock is reset to zero, the...

56
7. Appendix

 Troubleshooting
This section helps you resolve problems you may encounter while setting up or using the projector.
Indicator Condition
Projector Condition Note
Off
Blinking light
Steady lightGreen
Orange
Green
Orange0.5 sec On,
0.5 sec Off
2.5 sec On,
0.5 sec Off
0.5 sec On,
0.5 sec OffThe main power is off
The projector is getting ready to turn on.
Off Timer is enabled.
The projector is cooling down.
The projector is turned on.
The projector is in Standby.–
Wait for a moment.
–
Wait for...

57
7. Appendix
Common Problems & Solutions (See also POWER/WARNING/LAMP Indicator on page 56.)
Does not turn on
Will turn off
No picture
Picture suddenly
becomes dark
Color tone or Color
balance is unusual
Image isn’t square to
the screen
Picture is blurred
Image is scrolling
vertically, horizontally
or both
Remote control does
not work
Indicator is lit or
blinking
Cross color in RGB
mode
Whenever the projector
is turned on, a message
prompting you to clean
the filter will be dis-
played•Check that the...

58
7. Appendix
If there is no picture, or the picture is not displayed correctly.
•Power on process for the projector and the PC.
Be sure to connect the RGB cable between the projector and the computer before turning on the computer.
There are some notebook PCs, which do not output signal unless there is a projector or monitor connected first.
NOTE: You can check the horizontal frequency of the current signal in the projector’s menu under Information.  If it reads
“0kHz”, this means there is no signal...

59
7. Appendix
 Specifications
This section provides technical information about the projectors performance.
Model Number LV-7250/LV-X6
Optical
LCD Panel 0.6 p-Si TFT active-matrix with Micro Lens Array (Aspect 4:3)
Resolution 1024 
 768 pixels* native, up to UXGA with scaling technology
Lens Manual zoom and manual focus
F1.6 - 2.5   f = 17.7 - 28.3 mm
LampLV-7250: 190W DC lamp (150W Quiet mode)
LV-X6: 150W DC lamp (120W  Quiet mode)
BrightnessLV-7250: 2000 lm
LV-X6: 1500 lm
Uniformity 85%
Image Size...

60
7. Appendix
Mechanical
Installation Orientation Front / Rear / Ceiling mounted / Rear, Ceiling mounted
Dimensions 12.2 (W)
4.3 (H)
10.4 (D)
310 mm (W)
109 mm (H)
265 mm (D)
(not including protrusions)
WeightLV-7250: 6.6 lbs / 3.0 kg
LV-X6: 6.4 lbs / 2.9 kg
Fan NoiseLV-7250: 35 dB (Normal mode), 29dB (Quiet mode)
LV-X6: 32 dB (Normal mode), 25dB (Quiet mode)
Environmental Considerations Operational Temperatures : 41° to 104°F (5° to 40°C),
(Quiet mode selected automatically at 95°F to 104°F / 35°C to...

61
7. Appendix
 Cabinet Dimensions
AUDIO INANALOG IN-1
AUDIO OUTS-VIDEOIN
VIDEO
INL
AUDIO INRSERVICE PORTANALOG IN-2
PUSH
MENU
BACK
KEYSTONE
WARNINGPOWERAUTO PCINPUT
VOL-VOL+LAMP
310 (12.2)
265 (10.4)
73 (2.9)
109 (4.3)
65 (2.6)
ANALOG INS-VIDEOIN
VIDEO
INL
AUDIO INRSERVICE PORT
Lens center
Lens center
Unit: mm (inch)
LV-X6
LV-7250