When troubleshooting a printed circuit board, one technique that can be used is component substitution. Upon what basis would a suspected defective component be substituted with a known good component?

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Accepted Answer

Visual inspection of components or the use of live signal tracing with test instruments.

Answer

Component substitution is not recommended as a troubleshooting technique.

Answer

Random substitution of components in no particular pattern.

Answer

Methodical substitution of components starting at one end of the board and working towards the opposite end.

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