Troubleshooting
Please check for causes of problems in accordance with the following chart before contacting any maintenance personnel.
DISPLAY TROUBLESHOOTING
Symptom | Causes and Correction | |
|
| |
| Check whether power cord is correctly connected, and | |
Black screen, power | whether this unit is in power on. | |
| ||
indicator light off | Check whether the signal cord of input device is correctly | |
| connected. | |
| Check whether input device is in power on mode. | |
|
| |
| Check whether the input device signal is in this unit's | |
| specification | |
|
| |
Image display flicker, | Check computer output mode: control | |
If the setup does not accord with this unit's specification, | ||
unstable | ||
please change the display setup | ||
| ||
|
| |
| Hor scanning frequency: 30kHz ~ 75kHz | |
| Ver scanning frequency: 50 Hz~75Hz | |
|
|
SOUND AND TV TROUBLESHOOTING
Symptom | Causes and Correction | |
|
| |
Cannot power on | Please make sure the power cord is connected correctly. | |
|
| |
| Please make sure the audio cord is connected correctly. | |
No sound |
| |
Check volume. | ||
| ||
|
| |
| Make sure there is nothing plugged into the headphone jack. | |
|
| |
| Check volume. | |
Volume too low |
| |
If volume is still too low when adjusting volume to maximum, | ||
| ||
| please check whether the input device is correctly set. | |
Snowy picture | Input antenna damaged or not correctly connected. | |
| Check whether remote control batteries are functioning. | |
| Check the battery installation is correct. | |
Remote control failure | Check whether an obstacle is between the remote control and the | |
| unit's receiving window. | |
| Check whether the receiving window has a strong light. | |
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50 | 24" HD Ready 1080p DVD LCD TV User Guide |