Troubleshooting, Appendix, Problem: try these solutions – Canon LV-7565F User Manual

Page 46

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46

APPENDIX

TROUBLESHOOTING

Before calling your dealer or service center for assistance, check matters below once again.

1. Make sure you have connected a projector to your computer or video equipment as described in section "CONNECTING

PROJECTOR" on pages 12 ~ 14.

2. Check cable connection. Verify that all computer, video and power cord are properly connected.
3. Verify that all power is switched on.
4. If a projector still does not produce an image, re-start your computer.
5. If an image still does not appear, unplug a projector from your computer and check your computer monitor's display.

Problem may be with your graphics controller rather than with a projector. (When you reconnect a projector, be sure to
turn computer and monitor off before you power up a projector. Power equipment back on in order of : Projector and
computer.)

6. If problem still exists, check following chart.

No power.

● Plug a projector into your AC outlet.

● Make sure READY Indicator lights.

● Wait 90 seconds after a projector is turned OFF when turning a projector back on.
NOTE : After pressing Power ON-OFF button to OFF, make sure a projector works as

follows:

1. LAMP indicator lights bright and READY indicator turns off.
2. After 90 seconds, READY indicator lights green again and a projector may be

turned on by pressing Power ON-OFF button.

● Check WARNING TEMP. and READY indicator. If both WARNING TEMP. and READY

indicator flashes, a projector cannot be turned on.
(See "TURNING ON/OFF PROJECTOR" section on page 20.)

● Check Projection Lamp. (Refer to page 44.)

Image is out of
focus.

● Adjust focus of a projector.

● Make sure a projection screen is at least 4.6’ (1.4m) from a projector.

● Check Projection Lens to see if it needs cleaning.
NOTE : Moving a projector from a cool temperature location to a warm temperature location

may result in moisture condensation on Projection Lens. In such an event, leave a
projector OFF and wait until condensation disappears.

Picture is Left/Right
reversed.

● Check Ceiling/Rear feature. (See “SETTING” section on page 38.)

Problem:

Try these Solutions

Picture is
Top/Bottom
reversed.

● Check Ceiling feature. (See “SETTING” section on page 38.)

Some displays are
not seen during
Operation.

● Check Display feature.(See “SETTING” section on page 38.)

No image.

● Check connection between your computer or video equipment and a projector.

● When turning a projector on, it takes about 30 seconds to display an image.

● Check system that you select is corresponding with your computer or video equipment.

● Make sure temperature is not out of Operating Temperature (5°C ~ 35°C).

No sound.

● Check audio cable connection from audio input source.

● Adjust audio source.

● Press VOLUME (+) button.

● Press MUTE button.

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