Troubleshooting
Symptom | Probable cause | Corrective action | Page | |
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Video image is | Is the focus adjusted correctly? | • Adjust focus with the focus ring of the lens. | 26 | |
fuzzy. |
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Is the projector placed too near or too far from | • Set the projector at the correct distance. | 17 | ||
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| the screen? |
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| Are “Tracking” and “Phase” adjusted correctly? | • Adjust “Tracking” and “Phase” using the menu. | 37 | |
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Video image is ab- | Is the “Brightness” adjusted correctly? | • Adjust “Brightness” using the menu. | 37 | |
normally dark or |
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bright. |
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Color is poor or un- | Is the picture quality (color, density, etc.) ad- | • Adjust picture quality using the menu. | 37 | |
stable. | justed correctly? |
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| Is the correct “Decoder” selected? | • Set the “Decoder” to “AUTO” or the correct | 38 | |
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| dedicated decoder. |
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| • If the problem is not rectified after setting to |
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| “AUTO”, set to forced dedicated mode. |
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| Are signals (scanning frequency, etc.) from the | • Check if the signal is appropriate (scanning | 19, 20 | |
| connected device appropriate? | frequency, etc.), and input the appropriate si- |
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| gnal. |
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| Is the PC2 input terminal being used? | • When the PC2 input terminal is being used, | 39 | |
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| “PC2(BNC)” must be selected from the |
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| “Options” menu. Set it correctly according to |
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| the input signal. |
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The upper part of | If the input signal comes from a computer sys- | • Input separate sync signals for vertical sync | 19, 20 | |
the video image | tem, is this a sync signal of composite sync (Cs) | (V) and horizontal sync (H) signals. |
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bows or distorts. | or ‘G on sync’ type? |
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| Are signals with much jitter or skew distortion | • Input signals with little jitter or skew distortion. | ||
| being input from a video deck? | • Use a TBC or a device with a |
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Remote control unit | Are batteries installed correctly? | • Match the polarities of batteries correctly, as | 14 | |
does not work. |
| shown on the battery cartridge. |
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| Are batteries exhausted? | • Replace with new batteries. | 14 | |
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| Is there an obstructive object between the re- | • Remove any shielding objects. | 18 | |
| mote control unit and the remote sensor? |
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| Is the remote control held too far from the | • Use the remote control unit at a nearer point. | 18 | |
| sensor? |
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•This projector uses a micro computer. External noise may cause it to malfunction. If this happens, unplug from the main power outlet and then plug on again. (☞ page 25, 27)
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