How to repair led bulbs, how to repair led bulbs

Teach everyone to repair LED bulbs step by step.

LED bulbs are generally composed of part of celery oak, such as lamp beads, drive circuits and radiators. When an LED bulb fails, you can try the following methods to repair it:

1.Check the power supply: First of all, you need to check whether the power supply of the bulb is normal. You can check whether the plugs, switches, etc. are normal, and whether the wires are loose or damaged. If a problem is found with the power supply, it needs to be repaired or replaced accordingly.

2.Replace the lamp beads: The LED lamp beads may be aged or damaged, which is also one reason why the LED bulb cannot emit light. The lamp beads can be inspected for aging or damage and need to be replaced.

3.Check the drive circuit: If the lamp bead is normal, but the bulb still won't emit light, there may be a problem with the drive circuit. It is possible to check whether the drive circuit components are burned out or detached, and they need to be replaced or repaired.

4.Check the radiator: If the LED light is used for a long time, the radiator may be clogged or damaged, causing the bulb to not emit light. The radiator needs to be cleaned or replaced.

In conclusion, there can be a variety of reasons why LED bulbs may malfunction and need to be repaired on a case-by-case basis. If Shouno is not familiar with circuit maintenance or lamp maintenance, it is recommended to ask a professional to inspect and repair it.

It is a very common fault that the LED lamp beads are damaged, and the burned lamp beads can be directly removed and replaced. But in addition to the above methods, you also need to know that you can directly use 150 as an alternative. Then let's introduce you to the solutions to other parts of the corruption.

Treatment measures 1. The filter capacitor fails, and under normal circumstances, the relatively simple LED lamp is powered by the capacitor filter after the alternating current is stepped-down by the capacitor. It should be noted that in the case of capacitor failure, the voltage will be unstable and the brightness of the lamp will be dimmed, at this time, a multimeter should be used to detect its capacity, and in the case of an error greater than 30%, it will prove that there is damage, so it needs to be replaced.

2. When the line is disconnected, directly disassemble the LED lamp to check the condition of its internal input and output wiring in detail, once there is a disconnection, you need to use an electric soldering iron to weld and fix.

In fact, LED lights are composed of a combination of drive circuits and lamp beads, and there is a situation of burnout, and most of them can be repaired by hand. However, in terms of cost, it is usually about 20 yuan, and the better ones will not exceed 100 yuan, so in most cases, in the case of breakage, it is worth replacing it in addition to repairing it yourself.

Broken LED lights are usually due to the following reasons:

2.Drive circuit fault: If it is a drive circuit fault, Fanna needs to find the fault point for repair. Tools such as multimeters can be used for measurements and diagnostics, and then damaged components or faulty circuit boards can be replaced on a case-by-case basis.

3.Poor contact of the lamp base: If the lamp holder is not in good contact, you can check whether the contact between the lamp holder and the bulb is tight, and clean the dirt on the contact points.

4.Power supply problem: If it is a power supply problem, you can check whether the power cord and socket are normal, and whether the voltage state is stable. You can try replacing the power supply or fixing the power supply problem.

In short, if the LED light is faulty, it needs to be carefully checked and found to the fault point, and then repaired or replaced accordingly. If you are not sure how to do this, it is advisable to seek the help of a professional.

1. The reason why the LED light is not lit is nothing more than two situations: first, the leakage current of the LED is too large and causes the PN junction to fail, so that the LED light is not lit, which generally does not affect the work of other LED lights; Second, the internal connection lead of the LED lamp is disconnected, resulting in the LED no current passing through and producing a dead lamp.

2. To overhaul the LED lamp, you can first use a slotted driver to carefully pry open the plastic joint between the metal screw of the LED bulb and the main body of the bulb along the metal screw of the LED bulb, and keep it intact for recovery after repair. After opening, first check all the electronic components of the conversion part, if there is no problem, then power on to check its output voltage, if it is a 2WLED bulb, the output DC voltage measured with a multimeter is, indicating that the fault is in the LED light-emitting component part.

3. If the LED bulb light-emitting component is disconnected from the power supply part, then try to separate the plastic bulb made of plastic from the plastic body connected to it. Since this part is glued firmly, it may not be able to separate it completely, and it will damage the plastic bulb, but even if it is broken, it does not matter. After repair, it doesn't affect the glow, it's just not good-looking.

LED lights have many advantages, such as long life, energy saving, environmental protection, high brightness, etc., so they are loved by more and more people. If there is a problem with the LED light that needs to be repaired, here are some basic steps:

2.Disassembly: First, the LED light needs to be disassembled, taking it out of the fixture. Safety needs to be taken when disassembling to avoid damage to the luminaire and LED lights.

3.Inspection: Check the circuit board and beads of the LED light for damage or malfunction. If there is damage or malfunction, the corresponding parts need to be replaced.

4.Cleaning: If there is dust or dirt on the surface of the circuit board and beads of the LED lights, they need to be cleaned. Use a clean cloth or cotton swab to gently wipe the surface.

5.Installation: When installing LED lights, you need to pay attention to the order, first install the circuit board and then install the lamp beads. Finally, reinsert the LED light into the fixture and make sure it is securely seated in the fixture.

6.Test: Once the installation is complete, you need to test whether the LED lights are working properly. Press the switch of the light fixture and observe if the LED light is functioning properly. If the LED light still does not glow or malfunctions, further inspection or replacement of parts is required.

It is important to note that the repair of LED lights may require some professional knowledge and skills, if you are not sure whether you will be able to complete the repair, it is recommended to call 400-698-7786 for professional assistance in repair.

It is best to go to a 4S store to replace the car LED lights.

The headlights are the headlights of the car in front of the car, and the headlamps are symmetrically installed on both sides of the front end of the vehicle when driving at night in order to identify the lighting fixtures of the front vision. LED is a kind of electroluminescent device, using a solid semiconductor chip as a light-emitting material, through the recombination of carriers to cause photon emission and direct light, LED headlights are the use of LED as a light source to create a lighting appliance.

LED is the abbreviation of light emitting diode, the Chinese name is light-emitting diode, they are now often in the role of light boxes, signboards and various electrical indicators and backlights, and are often an important component of car taillights, high-mounted brake lights, and daytime running lights.

Car headlights

Generally, the LED headlights are 30-40W, and the daytime running lights are not more than 10W, but the specific requirements for the brightness stool chain are based on the power of the original car lights and individuals. Theoretically, the higher the wattage of LED lights, that is, the more power, the brighter the brightness. But in fact, the wattage of LED lights is not the higher the Zen penetration, the better, if the wattage is higher, the power will be greater, and the working temperature will be higher, which requires better heat dissipation.

Because the working temperature of the LED chip must be controlled below 85, so as to ensure that its service life can reach more than 30,000 hours. If the wattage of the LED is high, its power will be high, and the operating temperature will also become higher, once it exceeds 85, the life of the LED light will be shortened with the increase in temperature.

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The replacement method of the crystal lamp LED bulb is as follows: 1. We must first remove the broken bulb from the chandelier, this step is actually very simple, first open the lampshade of the chandelier (if there is no lampshade directly skipped), we can directly see the internal structure of the chandelier, which is nothing more than the power supply and light bar. 2. Generally speaking, if the LED light is broken, it is two situations.

Either the light strip is broken, or the power supply is broken. If you don't know that it is broken, you can also buy it according to the model of the power supply and the length of the lamp, and it is not expensive to buy both. The general LEDs are divided into several, and they will not be all broken at one time, and a few broken strips will be purchased.

In addition, the color of the place is different, so you should identify it when you buy it. If there is a bulb inside the chandelier, you should buy a bulb of the appropriate model. 3. Then carefully tear the light strip open, be careful not to bend the light strip.

4. Replace the new light strip first, if it still can't shine, it means that the power supply may be broken, so replace the power supply. Anyway, no matter which one is broken, the other can still be kept, and it can be replaced if it breaks down in the future. 5. After all the installation is completed and there is no problem with the test, you can put the lampshade on and put it back on.

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If the LED bulb doesn't light up, here are some of the easiest ways to fix it:

1.Check that the bulb is installed correctly: Make sure the bulb is rotated in place and properly inserted into the lampholder.

2.Replace the bulb: If the bulb has burned out or is damaged, a new bulb will need to be replaced.

3.Check the switch and power supply: Check whether the switch and power supply are working normally, if you need to replace the switch or check the power supply to eliminate the damage line, please be operated by a professional electrician.

4.Check the lampholder: If the lampholder is aged or damaged, it may cause the bulb to not light up. A new lampholder needs to be replaced.

If these methods do not resolve the issue, a more in-depth inspection or contact a professional service professional may be required for repair.