How can LED electronic display be maintained?
Author:xieshuning Time:2021-09-13 12:26 Browse(664)
Matters needing attention in daily use and maintenance of new Yasheng LED electronic display
Precautions for daily use and maintenance of new Yasheng LED electronic display screen
I. the whole screen of LED electronic display screen is not bright (black screen)

How can LED electronic display be maintained?

1. Check whether the power supply is on.


2. Check whether the communication line is connected.
whether there is wrong connection.
(step screen)

3. Check whether the communication green light of sending card and receiving card flickers.


4 Whether the computer display is protected.
or whether the display field is black or pure blue.
(same step screen)

II. The whole unit board of LED electronic display is not bright (black screen)

1. Several consecutive boards are not bright in the transverse direction.
check whether the wiring connection between normal unit board and abnormal unit board is connected; Or whether the chip 245 is normal.


2. Several consecutive boards are not bright in the longitudinal direction.
check whether the power supply of this column is normal.


Ⅲ. The uplink of the unit board is not bright.

1. Check whether the line pin is connected to the 4953 output pin.

2. Check whether 138 is normal.


3. Check whether 4953 is hot or burnt.


4 Check whether 4953 has high level.


5. Check whether 138 and 4953 control pins are connected.


IV. the unit board is not on

1. Check whether 595 is normal.


2. Check whether the corresponding pins of upper and lower modules are connected.


3. Check whether 595 output pin is connected to module pin.

v. the unit board is lack of color

1. Check whether 245 R.G data is output.
2

2. Check whether the normal 595 output pin and abnormal 595 input pin have tongmairui photoelectric LED display warm tips:

I. matters needing attention when switching on and off the LED electronic display:

1. Switching sequence:

when the screen is turned on: turn on first.
then turn on.


when the screen is turned off: turn off the screen first.
then turn off.

(turn off the computer first, do not turn off the display, It will cause high bright spots on the screen and burn down the lamp tube, with serious consequences.
)

2. The time interval between switching on and off the LED display screen should be more than 5 minutes<

3. After the computer enters the engineering control software,
the screen can be turned on.


4. Avoid turning on the screen in the full white screen state.
because the impulse current of the system is the largest.


5 The screen should not be turned on when it is out of control.
because the impulse current of the system is the maximum.


6. When the ambient temperature is too high or the heat dissipation condition is not good.
attention should be paid not to turn on the screen for a long time.


7, In this state, the screen should not be turned on for a long time.


8. The power switch of the display often trips.
the screen should be checked or replaced in time.

9. Check the firmness of the hook regularly.
if there is looseness.
pay attention to timely adjustment, and re reinforce or update the lifting parts.


10 The environment of the control partTo avoid insect bites, rodenticide should be placed when necessary.


2. Precautions for the change and alteration of control part

1. The zero and fire of the power line of computer and control part cannot be connected reversely.
peripherals should be in strict accordance with the original position. After connection, the chassis should be tested for power supply.


2 Whether the control board is loose.


3. Do not change the position and length of the communication line and flat connection line at will.


4. If there are abnormal phenomena such as short circuit, trip, wire burning and smoke after moving.
do not repeatedly power on the test, but find out the problem in time.


three software operation precautions

1 software backup: Win2003, WINXP, WINXP, WINXP, WINXP, WINXP, WINXP, WINXP, WINXP, WINXP, winxp, WINXP, WINXP, WINXP, WINXP, WINXP, WINXP, WINXP, WinXP It is recommended to use the "one click restore" software, which is easy to operate.


2 master the installation method, original data recovery and backup.


3 master the setting of control parameters and the modification of basic data preset.

4 master the program Operation and editing.


5 check the virus regularly.
delete irrelevant data

6. Non professional personnel, do not operate the software system.
.
6
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