BDL4250EL / BDL4650EL
7.2. | Troubleshooting |
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Symptom | Possible Cause | Remedy | |||
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No picture is displayed | 1. | The power cord is disconnected. | 1. | Plug in the power cord. | |
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| 2. | The main power switch on the back of the | 2. | Make sure the power switch is switched on. |
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| display is not switched on. | 3. | Connect a signal connection to the display. |
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| 3. | The selected input has no connection. |
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| 4. | The display is in standby mode. |
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Interference displayed on the display or audible | Caused by surrounding electrical appliances or | Move the display to another location to see is the | |||
noise is heard | fluorescent lights. | interference is reduced. | |||
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Color is abnormal | The signal cable is not connected properly. | Make sure that the signal cable is attached firmly | |||
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| to the back of the display. | |
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Picture is distorted with abnormal patterns | 1. | The signal cable is not connected properly. | 1. | Make sure that the signal cable is attached | |
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| 2. | The input signal is beyond the capabilities of |
| firmly. |
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| the display. | 2. | Check the video signal source to see if it |
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| is beyond the range of the display. Please |
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| verify its specifications with this display’s |
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| specification section. |
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Display image doesn’t fill up the full size of the | 1. | The zoom mode is not set correctly. | Use the Zoom mode or Custom zoom function | ||
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| 2. | Scan Mode may be set incorrectly to | in the Screen menu to fine tune display geometry | |
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| underscan. | and time frequency parameter. | |
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| 3. | If the image exceeds the screen size, Scan |
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| Mode may need to be set to Underscan. |
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Can hear sound, but no picture | Improperly connected source signal cable. | Make sure that both video inputs and sound | |||
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| inputs are correctly connected. | |
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Can see picture but no sound is heard | 1. | Improperly connected source signal cable. | 1. | Make sure that both video inputs and sound | |
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| 2. | Volume is turned all the way down. |
| inputs are correctly connected. |
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| 3. | [MUTE] is turned on. | 2. | Press [VOL UP] or [VOL DOWN] button to |
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| 4. | No external speaker connected. |
| hear sound. |
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| 3. | Switch MUTE off by using the [MUTE] | ||
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| button. |
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| 4. | Connect external speakers and adjust the |
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| volume to a suitable level. |
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Some picture elements do not light up | Some pixels of the display may not turn on. | This display is manufactured using an extremely | |||
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| high level of precision technology: however, | |
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| sometimes some pixels of the display may not | |
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| display.This is not a malfunction. | |
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A still picture is displayed for an over extended | Do not allow a still image to be displayed for | ||||
after the display is powered off. (Examples | period of time | an extended period of time as this can cause a | |||
of still pictures include logos, video games, |
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| permanent | ||
computer images, and images displayed in 4:3 |
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normal mode) |
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28
