Centro de Ayuda Pregunta de componentes

How to avoid the problem that LED do not light after receiving soldered PCBs?

We suggest to require function test of project with many LEDs. So we can solve the problem before shipping and avoid to wave time and money after you received the PCB.

No comments to sensitive components.

For example, some LEDs are very sensitive that require special temperature in storage and soldering. We suggest do function testing to boards after assembly is done in order to avoid bad LED soldering.

Note: Special requirements in BOM.

1). Components should be purchased but no need to be soldered to PCB.

2). Components should not be purchased or soldered so you can mark them as DNP or DNS.

3). Special temperature requirements to soldering of some sensitive switches, LEDs or connectors.

4). Leave some gap between components and PCB surface.

5). No need to cut pins of some THT components after assembly is done.

6). PCB can’t be washed by ultrasonic due to some sensitive components.

7). Components can’t be reflow soldered.

Ultima actualización en 14/05/2020

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