FAQ
2017-08-31 17:54:38 yanjing
|
No. |
Problem |
Solution |
| 1 | The screen flashes. | Possibly caused by magnetic interference or unstability of the power supply. |
| 2 | Blank screen with front light flashing | Check and make sure the connector between the screen and the decode board is securely connected and the connection socket pins are not broken or bent. |
| 3 | Can LCD work for long hours? | Normally long-hour run will not be a problem, but from the perspective of maintenance, "break hour" for the screen is recommended. |
| 4 | How to clean the LCD screen? | You can apply glass washing liquid to tender fabric and rub the screen softly. |
| 5 | Can user disassemble the LCD without prior permission? | No. Even the LCD is turned off for a long time, its internal backlight component is still with approximately 1000V high voltage, which can cause serious personal injury. In addition, disassembling LCD without prior permission will result in excluding from the product warranty. |
| 6 | Power is on, but the equipment doesn't respond. | Mostly likely, it is caused by failure of power supply. First check whehter the power supply is working, make sure it is not disconnected or loose. If power supply is ok, check whether there is power supply to the drive board, high-voltage switch-board and LCD screen. Wherever there is no power supply, it is where the malfunction occurs. Call the manufacturer for replacement of the defective parts. |
| 7 | No sound | First, with a multimeter, check whether there is power supply to the amplifier of the drive board. If no power, replace the drive board. Secondly, check whether the cable between the drive board and the speaker is disconnected or loose. accessories can find advertising machine manufacturers express over. |