TROUBLESHOOTING (continued)
Symptoms That Seemingly Appear to be Failures (continued)
Symptom | Point to check | See page |
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• There are locations on the screen that are different from the • |
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periphery (*). | plasma display panel, However in some cases, there are |
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*Points that do not light, points with brightness different from | minor defects in some parts of the screen. Please note that | - |
that of the periphery, points with color different from that of | this is not a malfunction. |
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the periphery, etc. |
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•Vertical stripes appear, depending on the screen contents. • The plasma display panel is lighting the phosphors by the discharge of internal radiation. Depending on the screen
| contents, in rare cases this may cause vertical stripes to | - |
| appear because of failure to light. Please note that this is |
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| not a malfunction. |
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• Coarse horizontal stripes appear in FULL display. | • Adjusting the Clock Phase will reduce the horizontal |
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| stripes. | 31 |
| (PC RGB input) |
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• Flickering in the form of horizontal lines oscillating up and | • If the direct frequency from the computer is below 85Hz, try |
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down. (PC RGB input only) | a higher frequency (upper limit 85Hz). There may be a | 51 |
| slight attenuation of the current image. |
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• The top of the monitor heats up. | • When used for long periods of time, the top of the monitor | - |
| may heat up. This is not a malfunction. | |
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• Text characters are displayed with varying thicknesses. | • The thicknesses of characters and lines may vary if images |
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| with a vertical resolution greater than 512 lines are | - |
| displayed; however, this is not a malfunction. |
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• The screen becomes dark and the images can not be seen • This sometimes occurs when a component output VTR |
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during VTR special playback (fast forward, rewind) | such as the 480i is connected. |
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| This is not a malfunction; therefore, please take note that | - |
| this may occur. When it does occur, change to composite |
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| output, or |
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• During PIP mode, sub pictures are not displayed. | • Sub pictures image might not be able to be displayed, |
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| depending on the combination. | 15 |
| (Refer to the table of PIP input table) |
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• The screen display sizes are not switched. | • The screen display size is fixed at “Full” as receiving VGA | - |
| signal. | |
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• Images from HDMI are not displayed. | • Check the cable and output format of connecting device. | 20 |
| (Refer to “Connecting to an Audio Visual Device”.) | 21 |
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| 23 |
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| 48 |
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