Don't remove any of the diodes.

不要去掉任何二极管。

Semiconductor lasers and light-emitting diodes

半导体激光器和发光二极管

LEDs - light emitting diodes - have been around for decades.

发光二极管已经兴起几十年了。

Becareful not to overheat the solder and damage the diodes.

注意不要使烙铁过热而损坏二极管。

There are two TVS diodes on this PCB for 5v and 12v protection.

有两台电视在这个电路板二极管为5 V和12v的保护。