Troubleshooting
Solutions to common problems related to your projector are described here. If none of the solutions presented here solves the problem, unplug the projector and consult an authorized dealer or Service Center.
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| Symptom |
| Probable cause |
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| Corrective action |
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| Power | is not |
| • | Is the power cord disconnected? | • | Insert the power cord (plug) firmly. |
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| • | Is the MAIN POWER switch turned |
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| • Turn on the MAIN POWER switch. | 32 |
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| • | Is the fuse blown? |
| • | Turn off the MAIN POWER switch and |
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| check the fuse. |
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| If it is blown, replace it |
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| • | Is the |
| • Turn off the MAIN POWER switch, close |
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| 7, 32, 60 | |
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| closed correctly? |
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| the |
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| correctly, and turn on the MAIN POWER |
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| switch again. |
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| • | Is the filter closed correctly? |
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| • Turn off the MAIN POWER switch, fit the |
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| 7, 32, 63 |
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| filter correctly, and turn on the MAIN |
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| POWER switch again. |
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| • | Has the lamp life expired? (Has the |
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| • Turn off the MAIN POWER switch, replace |
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| 32, 58, |
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| lamp use time reached 1000 hours in |
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| with a new |
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| 59, 62 |
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| the normal mode?) |
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| the MAIN POWER switch. |
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| (Has the lamp use time reached 2000 |
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| Reset the lamp use time after replacing with |
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| hours in the LPC or LOC mode?) |
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| a new lamp. |
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| Light is | not | emitted, | • | Is the lens cap removed? |
| • | Remove the lens cap. |
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| or light | level is low. |
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No. | • | Is the lamp life near its end? |
| • | Check the lamp use time on the menu, and |
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| 56, 58, | ||||
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| if the lamp life is near its end, arrange for a |
| 59 | ||
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| replacement lamp, or replace a little earlier. |
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51931 |
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minutes. | on, | • | Is the air intake or exhaust area |
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| • Turn off the MAIN POWER switch, remove |
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| With | power |
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| operation starts but |
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| any blocking objects, and turn on the MAIN |
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| stops in | a | few |
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| POWER switch again. |
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| Video | image | does not | • | Is the correct input selected? |
| • | Select the correct input with the VIDEO and |
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| appear. |
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| PC buttons. |
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| • | Are devices connected correctly? | • | Connect devices correctly. | 11, 22 |
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| • | Are signals being supplied from the |
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| • Set connected devices correctly. |
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| connected devices? |
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| • | Are input signals (scanning frequency, |
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| • Check if the signal is appropriate (scanning |
| 22, 23 | |
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| etc.) appropriate? |
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| frequency, etc.) and input the appropriate |
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| signal. |
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| • | Is the correct color system selected? |
| • Set the color system to AUTO or to the |
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| correct dedicated color system. |
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| • | Is brightness adjusted correctly? |
| • Adjust brightness on the menu. |
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| • | Is video turned off by pressing the |
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| • Press the HIDE button to turn video on. |
| 10, | 12, |
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| HIDE button? |
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| • | During DVI input, are image signals |
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| • If this happens, turn off the power to both | 22 | ||
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| output from the computer graphic |
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| the projector and the computer, and then |
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| board (DVI output terminal)? |
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| turn the projector back on before turning the |
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| (During DVI input, depending on the |
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| computer on again. Then correctly set the |
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| computer settings, there may be no |
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| computer’s graphic board. |
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| signal input or an error may occur (blue |
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| screen).) |
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| Video | image | dims. | • | Is focus adjusted correctly? |
| • Adjust focus. |
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| 12, 34 | ||
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| • | Is distance too short or too long? |
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| • Set the projector at the correct distance. |
| 18, 76, | |
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| • | Are Tracking and Phase adjusted |
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| • If satisfactory results are not obtained by |
| 13, 36, | |
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| correctly? |
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| pressing the QUICK ALIGN. button to |
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| conduct quick alignment, adjust Tracking |
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| and Phase on the menu. |
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| Video | image | is | • | Is picture quality (Brightness, etc.) |
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| • Adjust picture quality on the menu. |
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| abnormally dark or | adjusted correctly? |
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| bright. |
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| Video | image | freezes. | • | Was the FREEZE button on the |
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| • Press the FREEZE button to release |
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| 12, 37 | |
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| remote control pressed? |
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| freezing. |
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| Troubleshooting | ||
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Symptom |
| Probable cause |
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| Corrective action |
| Page | |
A part of image is | • | Was the DIGITAL ZOOM T button on |
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| • Press the PRESET button to restore the |
| 12, 37 | |
magnified. |
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| the remote control pressed? |
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| original video screen. |
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Color is poor | or | • | Is picture quality (color density, etc.) |
| • Adjust picture quality on the menu. |
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unstable. |
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| adjusted correctly? |
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| • | Is the correct color system selected? | • | Set the color system to AUTO or to the |
| 45 | |
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| correct dedicated color system. |
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| • | Are signals (scanning frequency, etc.) |
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| • Check if the signal is appropriate (scanning |
| 22 |
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| of the connected devices appropriate? |
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| frequency, etc.), and input the appropriate |
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| signal. |
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The upper part of the | • | While computer system signal is input, |
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| • Input separate sync signals for vertical sync |
| 11, 28 | |
video image | bows or |
| isn’t a sync signal for composite sync |
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| (V) and horizontal sync (H) signals. |
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distorts. |
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| (Cs) or G on sync being input? |
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| • | Isn’t signal with much jitter or skew |
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| • Input signals with little jitter or distortion. | – | |
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| distortion being input from a video |
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| Use a TBC or a device with a |
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| deck? |
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Video image |
| • | Is video picture turned off by pressing |
| • Turn on video picture by pressing the HIDE |
| 10, 12, | |
suddenly go | out. |
| the HIDE button? |
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| button. |
| 35 |
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Remote control unit | • | Are batteries installed correctly? |
| • Match the polarities of batteries correctly (+ | 14 | |||
does not work. |
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| to + and – to |
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| • | Are batteries exhausted? | • |
| Replace with new batteries. | 14 |
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| • | Is there a shielding object between the |
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| • Remove any shielding objects. | 20 |
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| remote control unit and the remote |
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| sensor? |
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| • | Is the distance too long? |
| • Use the remote control unit at a nearer |
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| point. |
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| • | Is either side of remote cable |
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| • Firmly insert the remote cable when using |
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| disconnected? |
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| the remote control unit as the wired one. |
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* This device uses a computer. External noise may cause it to malfunction. If this happens, turn the power off, remove the |
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electric plug from the wall outlet. Then insert the electric plug back into the wall outlet, turn the power back on and check t | he | |||||||
operation. |
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■When warning indication is shown by the blinking indicators:
The warning status will be notified by the combination lighting of the projector’s indicators.
For the warning contents and the action to be taken, refer to “Warning Indication” on page 66.
■Maintenance
• Stains on the cabinet
These should be wiped off with a soft cloth. If the cabinet is heavily stained, wipe it with a cloth soaked in
•Since the cabinet may deteriorate in quality, become damaged, or show paint peeled, note the following:
–Do not wipe with rough cloth.
–Do not wipe vigorously.
–Do not wipe with thinner or benzene.
–Do not apply any volatile substance such as insecticides.
–Do not allow any rubber or vinyl article to remain in contact with the cabinet for a long time.
•Stains on the lens
These should be cleaned off with commercially available lens blowers or lens cleaning paper (for cleaning glasses and cameras).
Do not use liquid cleaning agents. This could cause the surface coating to be removed. Do not rub, scratch or hit the lens as its surface is prone to damage.
65
ESPAÑOLITALIANO FRANÇAISDEUTSHENGLISH