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PCB Design Rules

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Initially PCBs were designed manually by creating a photomask on a clear mylar sheet, usually at two or four times the true size. Starting from the schematic diagram the component pin pads were laid out on the mylar and then traces were routed to connect the pads. If you have many questions of PCB Design, please come here!

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Trouble of PCB
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Alvis

what are the steps to check if a PCB is not working properly?
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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

grzes91

Unless you know the value and function of each component, simply measuring them won't be much use.

filippo.lalli

How do you have PCB trouble with no circuit diag. Is it available? That would be a case for reverse-engineering first.

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