Canon LV-7375 Manual Do Utilizador

Remote control does not work.

No obstacles between the sensor of the projector and the 

remote control.
Projector is placed near a fluorescent light that can disturb 

the infrared remote controls.
Batteries are new and are not reversed in installation.

Image is flickering.

Still unchanged even though you press the AUTO PC button.
Still unchanged even though you carry out “Reset” in the 

projector’s menu.
Image shows flickering or color drift on a computer signal.
Still unchanged even though you change [Fan mode] from 

[High altitude] to [Auto].

❽

Before  contacting  your  dealer  or  service  personnel,  check  the  following  list  to  be  sure  repairs  are  needed,  you 
may also refer to the “Troubleshooting” section in your user’s manual. This checklist below will help us solve your 
problem more efficiently.
* Print the following pages.

No image is displayed from your PC or video equipment to the 

projector.

Still no image even though you connect the projector to the 

PC first, then start the PC.
Enabling your notebook PC’s signal output to the projector.
•  A combination of function keys will enable/disable the 

No image (blue background, logo, no display).
Still no image even though you press the AUTO PC button.

Still  no  image  even  though  you  carry  out  “Reset”  in  the 

projector’s menu.
Signal cable's plug is fully inserted into the input connector
A message appears on the screen.

( _____________________________________________ )
The source connected to the projector is active and available.
Still no image even though you adjust the brightness and/

or the contrast.
Input source's resolution and frequency are supported by 

the projector.

Frequency of occurrence   always    sometimes (How often? _____________________)     other ( __________________ )
Power

No  power  (POWER  indicator  does  not  light  green)    See  also 

“STATUS Indicator”.

Power cord's plug is fully inserted into the wall outlet.
Main power switch is pressed to the ON position.
Lamp cover is installed correctly .
Lamp  counter  (lamp  operation  hours)  was  cleared  after 

lamp replacement.
No power even though you press and hold the POWER but-

ton for a minimum of 1 second.

Shut down during operation.

Power cord's plug is fully inserted into the wall outlet.
Lamp cover is installed correctly .
Power  Management  is  turned  off  (only  models  with  the 

Power Management function).
Off timer is turned off (only models with the Off timer func-

tion).

Image is too dark.

Remains unchanged even though you adjust the brightness 

and/or the contrast.

Image is distorted.

Image appears to be trapezoidal (unchanged even though 

you carry out the “Keystone adjustment”).

Parts of the image are lost.

Still unchanged even though you press the AUTO PC button.

Still unchanged even though you carry out “Reset” in the 

projector’s menu.

Image is shifted in the vertical or horizontal direction.

Horizontal and vertical positions are correctly adjusted on 

a computer signal.
Input source's resolution and frequency are supported by 

the projector.
Some pixels are lost.

Image appears blurry or out of focus.

Still unchanged even though you checked the signal’s resolu-

tion on PC and changed it to projector’s native resolution.
Still unchanged even though you adjusted the focus.

No sound.

Audio cable is correctly connected to the audio input of the 

projector.
Still unchanged even though you adjusted the volume level.
AUDIO  OUT  is  connected  to  your  audio  equipment  (only 

models with the AUDIO OUT connector).

Buttons  on  the  projector  cabinet  do  not  work  (  only  models 

with the Key lock function).

Key lock is not turned on or is disabled in the menu.
Still unchanged even though you press and hold the BACK 

button for a minimum of 10 seconds.