Introduction

This guide will take you through the process involved with removing a capacitor. De-soldering and soldering will be required.

Image 1/1:
  • Rotate the device so that the bottom is facing up.

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Image 1/2: Be careful not to pull the rubber pads all the way out when lifting as they are difficult to reinsert. Image 2/2: Be careful not to pull the rubber pads all the way out when lifting as they are difficult to reinsert.
  • Lift up all four rubber pads on the bottom of the router with the plastic opening tool.

  • Be careful not to pull the rubber pads all the way out when lifting as they are difficult to reinsert.

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Image 1/2: Image 2/2:
  • Unscrew the four 11.8 mm T-8 torx screws from the bottom of the router.

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Image 1/1:
  • Lift the bottom casing straight up from the router.

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Image 1/1:
  • Remove the clear plastic casing by lifting it straight up from the router.

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Image 1/2: Image 2/2:
  • Separate the motherboard from the top shell by lifting it straight up from the router.

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Image 1/2: Set the motherboard on a flat clean surface. Image 2/2: Set the motherboard on a flat clean surface.
  • Rotate the motherboard so that the top is facing up.

  • Set the motherboard on a flat clean surface.

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Image 1/2: Image 2/2:
  • The capacitor can be found at the location shown.

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Image 1/2: Locate the two soldered contacts of the capacitor. Image 2/2: Locate the two soldered contacts of the capacitor.
  • Rotate the motherboard so that the bottom is facing up.

  • Locate the two soldered contacts of the capacitor.

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Image 1/3: Do not refer to the pictures in this step for proper de-soldering and soldering techniques. They are for illustration purposes only. Image 2/3: Refer to this [guide|750|link|stepid=4049] for proper de-soldering and soldering techniques. Image 3/3: Pull the capacitor from the other side of the circuit board once the solder is liquified.
  • Rotate the motherboard 180 degrees.

  • Do not refer to the pictures in this step for proper de-soldering and soldering techniques. They are for illustration purposes only.

  • Refer to this link for proper de-soldering and soldering techniques.

  • Pull the capacitor from the other side of the circuit board once the solder is liquified.

  • To replace the capacitor, orient the negative side of the capacitor (indicated by a white stripe and a negative sign) so that it aligns with the shaded white region of the circle indicating the capacitor's position on the motherboard.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

Kyle Moore

Member since: 10/03/2011

74 Reputation

1 Guide authored

Team

Cal Poly, Team 21-24, Maness Fall 2011 Member of Cal Poly, Team 21-24, Maness Fall 2011

CPSU-MANESS-F11S21G24

4 Members

6 Guides authored

One Comment

looks like that's a 220microF at 25V right ?

probably better to replace it with a similar 220microF, but with higher voltage rating.

email_etran - Reply

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