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Reparação de uma placa PLC
2 years ago
1
electrónica
reparação
placa de circuito impresso
PLC
soldadura
SMD
ar quente
circuitos integrados
ULN2803A
Neste vídeo faço a reparação de uma placa PLC, destinada ao controlo de uma plataforma elevatória de escada (e não de um elevador). Essencialmente, substituo dois circuitos integrados danificados, ambos do tipo ULN2803A, com outros integrados idênticos provenientes de outra placa. Adicionalmente, faço a emenda da pista danificada na placa de circuito impresso em reparação.
Blogue: http://www.bloguetronica.com/
Data: 31 de Março de 2020
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