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Quelles sont les raisons possibles pour lesquelles un PCB ne fonctionne pas?

Je conçois un fichier PCB pour les échantillons et l'envoie au fabricant, but the samples can't work now. Nous avons du mal à déterminer la raison maintenant. Quelles sont les raisons courantes que vous avez rencontrées dans un mauvais PCB?
  • Mistakes in making of schematics: Miss out net names off-page connectors and interconnection is one of the most frequent mistakes. You should check them carefully. Quoi de plus, if there is a wrong wire connecting and bad wire crossing over each other, your schematics still be malfunctional.
  • Shorting in PCB tracks, traces, coussinets, and obstacles: Fondamentalement, there should be no shorting between power and ground check, ensuite, you are required to check any stick to proper clearance and track spacing.
  • Power to the Components: Ensure the right polarity connection and ready IC socket connection.
  • Proceed with PCB Assembly section by section
  • No conduction via through hole: Often there is no conduction via through-hole if the plated through home is not proper. Dans ce cas, it is advisable to solder the IC pin on both layers.

Lire la suite: Multiple Testing Method

#Assemblée PCB

Photo de Olivier Smith

Olivier Smith

Oliver est un ingénieur en électronique expérimenté, spécialisé dans la conception de PCB., circuits analogiques, systèmes embarqués, et prototypage. Ses connaissances approfondies couvrent la capture schématique, codage du micrologiciel, simulation, disposition, essai, et dépannage. Oliver excelle dans l'art de faire passer des projets du concept à la production de masse en utilisant ses talents de concepteur électrique et ses aptitudes en mécanique..
Photo de Olivier Smith

Olivier Smith

Oliver est un ingénieur en électronique expérimenté, spécialisé dans la conception de PCB., circuits analogiques, systèmes embarqués, et prototypage. Ses connaissances approfondies couvrent la capture schématique, codage du micrologiciel, simulation, disposition, essai, et dépannage. Oliver excelle dans l'art de faire passer des projets du concept à la production de masse en utilisant ses talents de concepteur électrique et ses aptitudes en mécanique..

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