&Troubleshooting
Maintenance
Troubleshooting
Problem | Check |
Power cannot be turned on or | • Keylock level is set to “Level A” or “Level B”, preventing operation of some or all |
off using the POWER buttons | buttons. (See page 52 .) |
(ON/OFF) on the projector. |
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Cannot be operated by | • Check to see if the batteries are dead. If they are, replace with new ones. (See page |
remote control. | 13 .) |
| • When the projector is set to slave, use the buttons on the master projector or change the |
| setting by |
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Cannot be operated by all | • When using slave setting in combination with Keylock Level B, all the buttons on the |
buttons of the projector and | projector and the remote control are disabled. Use the SAPS or |
remote control. | release slave and Keylock setting and enable buttons to operate. |
| Without a computer, you can release slave and Keylock setting by entering the buttons |
| on the projector as follows. |
| ON → ENTER → ON → ENTER → ON → ENTER → MENU |
| However, this operation also releases the password set. |
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No picture and no sound. | • Projector power cord is not plugged into the wall outlet. |
| • The bottom filter cover is not securely installed. |
| • Selected input is wrong. (See page 31 .) |
| • Cables incorrectly connected to rear panel of the projector. (See pages 16 – 21 .) |
| • Remote control batteries have run down. (See page 13 .) |
Sound is heard but no picture | • | Cables incorrectly connected to rear panel of the projector. (See pages 16 – 21 .) |
appears. | • | “Contrast” and “Bright” adjustments are set to minimum position. (See page 41 .) |
•
Color is faded or poor. | • “Color” and “Tint” adjustments are not correct. (See page 41 .) |
Picture is blurred. | • Adjust the focus. (See page 24 .) |
| • Projection distance is too long or too short to allow for proper focus. (See pages 25 – 29 .) |
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Picture appears but no sound | • Cables incorrectly connected to rear panel of the projector. (See pages 16 – 21 .) |
is heard. | • Volume is set to minimum. (See page 31 .) |
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No OSD appears. | • OSD Display is set to “Level A” or “Level B”, preventing to display some or all |
| Displays. (See page 48 .) |
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An unusual sound is occasion- | • If the picture is normal, the sound is due to cabinet shrinkage caused by temperature |
ally heard from the cabinet. | changes. This will not affect operation or performance. |
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Maintenance indicator lights | • Refer to “Lamp/Maintenance Indicators” on page 61 . |
up. |
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Picture noise appears. | • Adjust the “Phase” setting. (See page 43 .) |
| • Noise may appear when used with certain computers. Set the NOISE FILTER to ON |
| using the |
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480P images do not appear. | • Set the resolution mode to 480P. (See page 44 .) |
Image is green on INPUT 1 or | • Change the input signal type. (See page 41 .) |
2 COMPONENT. |
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Image is pink (no green) on |
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INPUT 1, 2 RGB. |
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65 | 02.3.19, 7:13 PM |