Multimedia LCD Projector
| Symptom | Possible cause | Remedy | |
The power is | *The main power switch is not | *Turn on the main power switch. | |
turned on. | *Plug the power cord into an AC | ||
not turned on | |||
*The power cord is disconnected. | power outlet | ||
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| *The input is not correctly | *Select the appropriate input | |
No video | connected. | source | |
*No signal input | *Connect correctly | ||
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| *No open lens cover | *Remove the lens cover | |
| *The projector is not correctly | *Check audio cable connect | |
No audio | connected. | correctly. | |
*The volume is set to minimum. | *Adjust the volume. | ||
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| *Mute is turned on | *Press the MUTE button | |
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| *Check battery of remote | |
No remote | *No battery | controller | |
function | *Remote signal be obstructed | *Remove obstacle between | |
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| projector and remote controller | |
| *Color density and color |
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Colors are | matching are not correctly | *Adjust the RGB setting. | |
pale | adjusted. | *Check VGA cable. | |
| *Color lose |
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Abnormal | *Brightness and contrast are not | *Adjust the brightness and | |
correctly adjusted. | |||
brightness & | contrast setting. | ||
*The lamp is nearing the end of | |||
contrast | *Replace with a new lamp | ||
its service life | |||
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Video is | *Focus or RGB phase is out of | *Adjust the focus and phase. | |
blurred | adjustment. | ||
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