Troubleshooting
Solutions to common problems related to the Monitor are described here. If none of the solutions presented here solves the problem, unplug the Monitor and consult an authorized dealer or service center.
Symptom | Probable cause | Corrective action | Page |
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Power is not supplied. | • Is the power cord disconnected? | •Insert the power cord (plug) firmly. | 12 |
| •Is the MAIN POWER switch turned on? | •Turn on the MAIN POWER switch. | 14 |
Video image does not | •Is the correct input selected? | •Select the correct input by pressing |
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appear, or audio |
| VIDEO A, VIDEO B, COMPO. and | 14 |
sound does not occur. |
| RGB on the remote control (or INPUT | |
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| on the Monitor). |
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| •Are the devices connected correctly? | •Connect the devices correctly. | 12, 13 |
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| •Are signals being supplied from the | •Set the devices correctly. | — |
| connected devices? |
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| •Is RGB INPUT set correctly if using the | •Set it correctly. | 23 |
| RGB terminals? |
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| •Are input signals (scanning frequency, | •Check if the signal is appropriate |
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| etc.) appropriate? | (scanning frequency, etc.), and input | 11 |
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| the appropriate signal. |
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| •Is brightness adjusted correctly? | •Adjust brightness on the menu. | 16 |
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| •Is volume set at minimum? | •Adjust volume. | 14 |
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| •Are the diagnostic lamps turned on? | •Refer to | 37 |
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| and take an appropriate action. | |
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The picture becomes | •Is the signal RGB input? | •Adjust CLOCK PHASE using the |
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blurred. |
| menu. | 17 |
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Colour is abnormally | •Is brightness adjusted correctly? | •Adjust BRIGHT (brightness) using the | 16 |
dark or bright. |
| menu. | |
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Colour is poor or | •Is picture quality (colour density, etc.) | •Adjust PICTURE using the menu. | 16 |
unstable. | adjusted correctly? |
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| •Is the correct broadcast system (colour | •Set SIGNAL MODE (colour system) to | 22 |
| system) selected? | “AUTO.” | |
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| •Are signals (scanning frequency, etc.) to | •Check if the signal is appropriate |
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| connected devices appropriate? | (scanning frequency, etc.), and input | 11 |
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| the appropriate signal. |
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The picture is cut or | •Is the size or position of the screen | •Adjust H.SIZE, V.SIZE, H.POSITION |
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shifted toward one | adjusted properly? | or V.POSITION using the menu. | 17 |
side. |
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The remote control | •Are the batteries correctly set? | •Insert batteries correctly, observing the | 9 |
does not work. |
| polarities (ªand ·). | |
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| •Are the batteries exhausted? | •Replace with new batteries. | 9 |
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| •Is there any object blocking the path | •Remove any blocking object. |
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| between the remote control and remote |
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| sensor? |
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| •Is the Monitor too far away from you? | •Move toward the Monitor, then operate | — |
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| the remote control. | |
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| •Is the Monitor connected serially to | •Only Master Monitor can be controlled |
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| another Monitor (Serial Connection)? | by the remote control when connected | 31 |
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| serially. |
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The buttons on the | •Is the Control Lock function in use? | •Set the Control Lock function to “OFF” | 26 |
Monitor do not work. |
| using the menu. | |
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