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Krishan Patel编辑

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步骤行

+[title] Identify specific pins with a bad connection
[* black] Using a piece of wire or a pin or a small paper clip, you can test each pin. You are trying to touch each pin to its surrounding solder connection.
[* icon_caution] Be careful not to bridge any pins to each other.
[* black] Pause on each pin and see if the sound starts playing when you probe each one.
[* icon_note] You may need to probe more than one pin at the same time. Look for pins that have a visibly poor solder joint.
[* black] Identify one or more badly soldered pins.
[* icon_caution] Turn off your machine before proceeding.