How to repair T8 LED tube, t8 led tube repair
T8 LED tubes have a long lifespan. The manufacturer will repair it for you even during the warranty period. Generally, users are not recommended to repair it without authorization. Because it is a high-voltage product after all, it will leak or get an electric shock if you are not careful. If it hurts someone, it's not a good deal. Generally, you can find the T8 LED tube manufacturer.
However, like some amateurs, out of curiosity, they especially want to know how to repair the T8 LEDO tube. Then our Langte Lighting can also reveal some maintenance skills to you, maybe it can solve your urgent needs or satisfy your curiosity.
1. Principle and structure of T8 LED tube
Driven by the LED lamp drive power supply, the LED lamp panel emits light. The principle is very simple.
The structure has a lamp holder, also called a plug. G13; pipes, aluminum-plastic, glass, plastic, light board, there are many lamp beads on it, connected in series and parallel, power supply, usually small power supply, put it in the plug, large power supply, put it in aluminum In the material.
2. How to repair the T8 LED tube?
First, power off and remove the T8 LED
Second, open the plug and pull the plug open, both sides of the plug must be opened. Look at the structure, for the conventional aluminum-plastic tube double-end energized led tube. If you see a power source, don't move. Then the wire at the other end must be soldered down.
Third, remove the PC lampshade, and you can see the structure of the T8 LED tube completely.
Fourth, solder the positive and negative output wires from the lamp board. If possible, use DC power to judge whether the light board is good or bad. If it can be lit, the led light board is good. Then you only need to change a power supply.
Fifth, the power supply is the heart of the T8 LED tube. Most of the lamps do not light up, because there is a problem with the power supply, which can be fixed after replacement. If the light board does not light up, replace the light board.
Sixth, power on 220v, take care of protection, and be careful of electric shock. At this time, if the lamp can be lit, it is considered repaired.
Seventh, restore the lamp assembly.
