Learning how to replace a capacitor is essential for repairing any electronic device. Capacitors typically burn out over time and can simply be replaced to restore your device to a functional state. Once you have identified the capacitors that need to be replaced, the actual process of replacing the capacitor is fairly simple. You will not need anything more than the standard tools for working with electronic components.
To replace a capacitor, you will need:
- A soldering iron
- An anti-static workspace
- Prepare the workspace. Place the component which contains the bad capacitor on an anti-static work mat or another static-free place. Use a static wristband to protect your electronic devices from static electricity. Heat the soldering iron before proceeding to replace the capacitor.
- Remove the old capacitor. Remove the old capacitor by gently touching the soldering iron against the two contact points of the old capacitor. The soldering iron will heat the existing solder, causing the capacitor to slide freely from the position on the electronic component. You will need to completely remove the old capacitor before proceeding to replace it.
- Replace the capacitor. Slide the new capacitor into the existing capacitor connection points. Transfer the solder from the soldering iron onto the points where the capacitor connects to the electronic device. Be careful not to leave extra soldering residue on nearby electric components.
It is recommended that you use lead-free solder when you replace a capacitor. Wash your hands after working with electronic components and capacitors as the old solder may have contained lead. Be careful not to push the new capacitor too deep into the solder points when you replace an old capacitor. Always replace a capacitor with the same style and voltage capacitor as the original capacitor.
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