How to fix LED screen? How would we be able to deal with the position issues, and sort them out with high effectiveness and basic activity?
This article will list the strategies that assist you to manage specialized issues you might look at in utilizing Led screen including shortcircuits, the disappointment of the Led panel screen, and the entire Led signage. At long last, we will talk about the means for you to investigate different issues.
1. Short out
(1)Resistance identifying: utilize a multimeter to look at the scope of obstruction. Distinguish the obstruction worth of a specific place of an ordinary circuit board, then, at that point, recognize that worth of other circuit sheets to see if the opposition esteem is not quite the same as the typical worth. In case the worth isn’t inside a sensible reach, which means the issue comes from here.
(2)Voltage discovery: utilize a multimeter to distinguish the ground voltage of a specific mark of the circuit that is associated with having issues. Contrasting the distinguished worth and the typical one to see if there is an inconvenience.
(3)Short circuit discovery: turn on the elements of the multimeter to see if there is a short out. This should be done when the screen driving off to keep away from harm ammeter.
In the event that there is an issue with the short out, manage it first to keep it from wearing out different parts.
(4)Voltage drop location: use diode drop capacity to recognize voltage drop of various pins. Essentially, the voltage drop worth of pins that are situated on a similar sort of coordinated circuit ought to be something very similar.
This discovery ought to be run when closing off the screen to keep away from pointless harm. Be that as it may, this technique has its limitations. For example, assuming the parts have high impedance, the distinctions won’t be analyzed.
2. Failure of Led Panel screen
(1) Non showing on a piece of the module, for example, columns missing and lines missing
a.Check whether the level link associates well with the electrical cable of the principal strange LED panel screen toward signal info.
b.check whether the sign info is typical. On the off chance that there is confounding shading, then, at that point, really look at the sign contact of the principal unusual LED panel screen toward signal information.
You can inspect it by connecting and out numerous occasions. On the off chance that there is an issue, you can decide to supplant the level link.
c.Check whether the power pins of 74HC138 disentangling chip and 4953 line the board chip are helpless welding or experiencing short out. If indeed, fix them or change new chips.
2. Failure of Led Panel screen
(1) Non showing on a piece of the panel, for example, columns missing and lines missing
a.Check whether the level link associates well with the electrical cable of the principal strange Led panel screen toward signal info.
b.check whether the sign info is typical. On the off chance that there is confounding shading, then, at that point, really look at the sign contact of the principal unusual Led panel screen toward signal information.
You can inspect it by connecting and out numerous occasions. On the off chance that there is an issue, you can decide to supplant the level link.
c.Check whether the power pins of 74HC138 disentangling chip and 4953 line the board chip are helpless welding or experiencing short out. If indeed, fix them or change new chips.
(4)Dead pixel support
As indicated by explicit conditions, pick the right support strategy:
a.Front support:
Utilize a legitimate screwdriver to eliminate the screws for fixing the veil and eliminate the cover to supplant the LED lamplight.
After the substitution and fixing getting done, introduce the veil once more, and fix the screw (kindly be mindful so as to try not to take the strain on LEDs), and clean the lingering paste on a superficial level.
b.Back support
Fitting out the sign link, and utilizing a screwdriver to eliminate the screws on the posterior. For security, if it’s not too much trouble, notice that don’t turn off the power link.
Take the Led panel screen out cautiously, move it to the posterior of the LED signage, and afterward supplant the LED light similarly to supplanting it as front upkeep.
(5)How to supplant LED light dabs?
Eliminate the gel around the LEDs with sharp instruments, for example, a tweezer until the pins are obviously uncovered.
Utilize a tweezer to keep the light dab set up, and weld it with patching iron at a temperature around 40°C (too high a temperature will harm the LED signage for under 3 seconds.
Introduce the right light dabs on the PCB board (the long test of the LED light dab is the positive anode, and the short one is the negative terminal. What’s more, the square opening on the PCB board is for the positive terminal while the circular opening is for the negative cathode).
Liquefy down a little weld wire and contact it with the patch tip, then, at that point, bind the LEDs and PCB board with the binding wire. At long last, seal the LED signage with a similar kind of gel (PH=7).
3. Disappointment and Solutions of LED Display Screen
(1)No showing, on the whole, LED signage
a.Check whether the LED show screen has as of now been turned on. Turn on the quick of the power wholesaler, the power marker ought to be on.
b.Check the sign link, reconnect it until the green pointer sparkles as typical.
c.Examine whether the association between LED sending card and LED getting a card is ordinary.
In case the sending card isn’t working typically, for instance, the green pointer is off or continues to light, it implies there is no sign, then, at that point, look at it to track down issues or supplant it.
In addition, you can check the info voltage DC5V of the getting card, particularly for the principal LED collector card.
d.If the PC has not been turned on, fire up it and open the LED studio programming.
e.Check the DVI link. You can drive off the PC then reconnect the DVI link.
f.Find out whether is an error in the setting of the DVI card. As indicated by the right strides of controlling situation activity, setting up the LED studio programming, and reconnecting the sign link.
g.Check the HUB to decide whether it is working regularly.
(2)Garbled showing on the LED show
a.Check out whether the association of getting a card and sending a card is ordinary.
In case the sending card isn’t working typically, for instance, the green pointer is off or continues to light, it implies there is no sign, then, at that point, look at it to track down issues or supplant it.
b.Ensure the web link is fitting and won’t impact the showing exhibitions because of terrible quality and improper boundaries.
c.Check whether or not the LED studio setting has a mix-up. Assuming that there is any issue, set up the LED studio programming and reconnect the sign link dependent on the controlling framework activity steps.
d.Check the association of the significant link to guarantee it performs well.
(3)Each presentation unit plays out a similar substance
This might be brought about by the absence of falling records. Send the falling record once more, and plug the web link of the PC into the result port close to the pointer light of the LED sending card.
(4)The brilliance of the Led board screen is low, and pictures are fluffy
The explanation can be some unacceptable setting of sending cards and practical cards. If it’s not too much trouble, reestablish the default setting and store the setting, and control the base brilliance esteems bigger than 80.
(5)Disordered or covered showing, on the whole, LED show
a.Check the association among cupboards and sign links. Replug the link or supplant it.
b.Check the DVI link which interfaces the multi-media card and sends a card. On the off chance that there is an issue, support the association.
c.Check whether or not the LED studio setting has a slip-up. On the off chance that there is an issue, set up the LED studio programming and reconnect the sign link dependent on the controlling framework activity steps.
d.Check the functioning states of the LED sending card. In the event that they don’t work as expected, decide to fix or supplant them.
(6)Winkling/Shaking showed, on the whole, led signage
a.Check whether the sending card and getting card are working ordinarily. On the off chance that the green marker is off or continues lightning, it implies there is no sign.
b.Ground wire severs. Look at whether there is an issue of association between the ground wire and the LED screen show.
c.Check the association among cupboards and sign links. Replug the link or supplant it.
d.Check whether or not the LED studio setting has a mix-up. Assuming that there is an issue, set up the LED studio programming and reconnect the sign link dependent on the controlling framework activity steps.
e.Check the DVI link which interfaces the multi-media card and sends a card. Assuming there is an issue, build up the association.
(7)No showing on pieces of the whole led signage
a.Check whether the sending card and getting card are working regularly. In case the green marker is off or continues lightning it implies there is no sign.
b.Check whether or not the LED studio setting has a mix-up. In the event that there is an issue, set up the LED studio programming and reconnect the sign link dependent on the controlling framework activity steps.
(8)Not showing simultaneously with the PC
Check the DVI card setting, and the different showcase modes ought to be “copy”.
(9)No showing on a few modules
a.If there is no showing on a solitary line, it might address the sign information has a few issues. Actually, look at it, replug it and furthermore really take a look at the power association for the principal module in the line.
b.If there is no showcase on one corner of the bureau, check in case the connected power supply is working typically or not.
(10)When beginning the LED screen, there is an alert that the LED screen framework isn’t found.
a.Check the association between sequential port line, USB, and sending a card. Console the associations, in case they are slackened, reconnect them.
b.The COM or USB port is broken. Supplant the control PC and sequential port line.
c.The LED sending card is broken. Supplant the sending card.
d.No establishment of USB driver. Introduce the connected most recent programming or introduce the USB driver.
(11)Garbled showing on the LED show just a couple of moments while turning on the screen
This is a typical peculiarity that addresses the LED show board is prepared to work. This confused showing will vanish essentially inside two seconds and the screen will run ordinarily then, at that point.
(12)Communication disappointment or stacking disappointment
a.Ensure the LED control framework gadgets have as of now been turned on.
b.Make sure the association of sequential port line isn’t slackened or has issues itself.
c.Make sure we have picked the right control programming and control card. What’s more, guarantee we pick the right information transmission strategy, sequential port, information move rate, and right setting of LED control programming.
d.Check the jumper cap to see whether is free or falls off. Assuming the response for both is no, ensure the bearing of the jumper cap is right.
e.If the issue isn’t brought about by the reasons recorded previously, utilize a multimeter to identify whether the sequential ports of the control PC and LED control framework gadgets work ordinarily. On the off chance that indeed, you can send them to comparing produces for fix and support.
a.Check whether the sending card and getting card are working regularly. Assuming that the green marker is off or continues lightning it implies there is no sign.
b.Ground wire severs. Look at whether there is an issue of association between the ground wire and the LED screen show.
c.Check the association among cupboards and sign links. Replug the link or supplant it.
d.Check whether or not the LED studio setting has a slip-up. On the off chance that there is an issue, set up the LED studio programming and reconnect the sign link dependent on the controlling framework activity steps.
e.Check the DVI link which associates the multi-media card and sends a card. Assuming that there is an issue, support the association.
(7)No showing on pieces of the whole LED signage
a.Check whether the sending card and getting card are working ordinarily. On the off chance that the green pointer is off or continues lightning, it implies there is no sign.
b.Check whether or not the LED studio setting has a misstep. In case there is an issue, set up the LED studio programming and reconnect the sign link dependent on the controlling framework activity steps.