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Part 4: Troubleshooting
4-1
1. TROUBLESHOOTING
1.1 Indicators and Projector Condition
Check the indicators for projector condition.
Indicators
POWER
red/green
WARNING
red
LAMP
REPLACE
yellow
The projector is OFF. (The AC power cord is unplugged.)
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... blinks green.
... lights red.
... blinks red.
... off
... lights green.
...
When the life of the projection lamp draws to an end, the LAMP REPLACE indicator lights yellow.
When this indicator lightsyellow, replace the projection lamp with a new one promptly.
Reset the Lamp replace counter after replacement of the lamp.
The projector is preparing for stand-by or the projection lamp is being
cooled down. The projector cannot be turned on until cooling is completed.
The temperature inside the projector is abnormally high. The projector
cannot be turned on. When the projector is cooled down enough and the
temperature returns to normal, the POWER indicator lights red and the
projector can be turned on. (The WARNING indicator keeps blinking.)
Check and clean the Air filter.
The projector is ready to be turned on with the POWER button.
The projector is operating normally.
The projector is in the Power management mode.
The projector has been cooled down enough and the temperature returns
to normal. When turning on the projector, the WARNING indicator stops
blinking. Check and clean the air filters.
The projector detects an abnormal condition and cannot be turned on.
Unplug the AC power cord and plug it again to turn on the projector. If the
projector is turned off again, disconnect the AC power cord and contact
the dealer or the service center for service and checkup. Do not leave
the projector on. It may cause electric shock or a fire hazard.
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Projector Condition
Summary of Contents for LV-X4U
Page 2: ...CANON Multimedia Projector LV X4U D78 5532 LV X4E D78 5533 SERVICE SMANUAL ...
Page 9: ...Part 1 General Information ...
Page 26: ...Part 2 Repair Information ...
Page 43: ...Part 3 Adjustment ...
Page 62: ...Part 4 Troubleshooting ...
Page 79: ...Part 4 Troubleshooting 4 17 AN5870SB RGB SYNC SW IC5201 LM4889 Audio Amplifier IC5031 ...
Page 81: ...Part 4 Troubleshooting 4 19 FA5502 P F Control IC621 VPC3230D Video Decoder IC101 ...
Page 84: ...Part 4 Troubleshooting 4 22 TA1370FG Sync Separator Frequency Counter IC5302 ...
Page 85: ...Part 5 Parts Catalog ...
Page 86: ......
Page 94: ......
Page 100: ...Part 6 Electrical Diagrams ...