BDL4250EL / BDL4650EL
7.2. | Troubleshooting |
|
|
|
|
|
|
| |||
Symptom | Possible Cause | Remedy | |||
|
|
|
|
| |
No picture is displayed | 1. | The power cord is disconnected. | 1. | Plug in the power cord. | |
|
| 2. | The main power switch on the back of the | 2. | Make sure the power switch is switched on. |
|
|
| display is not switched on. | 3. | Connect a signal connection to the display. |
|
| 3. | The selected input has no connection. |
|
|
|
| 4. | The display is in standby mode. |
|
|
|
|
| |||
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. | |||
|
|
| |||
Color is abnormal | The signal cable is not connected properly. | Make sure that the signal cable is attached firmly | |||
|
|
|
| to the back of the display. | |
|
|
|
|
| |
Picture is distorted with abnormal patterns | 1. | The signal cable is not connected properly. | 1. | Make sure that the signal cable is attached | |
|
| 2. | The input signal is beyond the capabilities of |
| firmly. |
|
|
| the display. | 2. | Check the video signal source to see if it |
|
|
|
|
| is beyond the range of the display. Please |
|
|
|
|
| verify its specifications with this display’s |
|
|
|
|
| specification section. |
|
|
|
| ||
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 | ||
screen |
| 2. | Scan Mode may be set incorrectly to | in the Screen menu to fine tune display geometry | |
|
|
| underscan. | and time frequency parameter. | |
|
| 3. | If the image exceeds the screen size, Scan |
|
|
|
|
| Mode may need to be set to Underscan. |
|
|
|
|
| |||
Can hear sound, but no picture | Improperly connected source signal cable. | Make sure that both video inputs and sound | |||
|
|
|
| inputs are correctly connected. | |
|
|
|
|
| |
Can see picture but no sound is heard | 1. | Improperly connected source signal cable. | 1. | Make sure that both video inputs and sound | |
|
| 2. | Volume is turned all the way down. |
| inputs are correctly connected. |
|
| 3. | [MUTE] is turned on. | 2. | Press [VOL UP] or [VOL DOWN] button to |
|
| 4. | No external speaker connected. |
| hear sound. |
|
| 3. | Switch MUTE off by using the [MUTE] | ||
|
|
|
| ||
|
|
|
|
| button. |
|
|
|
| 4. | Connect external speakers and adjust the |
|
|
|
|
| volume to a suitable level. |
|
|
| |||
Some picture elements do not light up | Some pixels of the display may not turn on. | This display is manufactured using an extremely | |||
|
|
|
| high level of precision technology: however, | |
|
|
|
| sometimes some pixels of the display may not | |
|
|
|
| display.This is not a malfunction. | |
|
|
| |||
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, |
|
| permanent | ||
computer images, and images displayed in 4:3 |
|
|
|
| |
normal mode) |
|
|
|
| |
|
|
|
|
|
|
28