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Introduction

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

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

  2. 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.
    • 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.

  3. Unscrew the four 11.8 mm T-8 torx screws from the bottom of the router. Unscrew the four 11.8 mm T-8 torx screws from the bottom of the router.
    • Unscrew the four 11.8 mm T-8 torx screws from the bottom of the router.

  4. Lift the bottom casing straight up from the router.
    • Lift the bottom casing straight up from the router.

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  6. Remove the clear plastic casing by lifting it straight up from the router.
    • Remove the clear plastic casing by lifting it straight up from the router.

  7. Separate the motherboard from the top shell by lifting it straight up from the router. Separate the motherboard from the top shell by lifting it straight up from the router.
    • Separate the motherboard from the top shell by lifting it straight up from the router.

  8. Rotate the motherboard so that the top is facing up. 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.

  9. The capacitor can be found at the location shown. The capacitor can be found at the location shown.
    • The capacitor can be found at the location shown.

  10. Rotate the motherboard so that the bottom is facing up. 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.

  11. 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.
    • 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.

Conclusion

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

Kyle Moore

Membre depuis le 03/10/2011

74 Réputation

1 tutoriel rédigé

Équipe

Cal Poly, Team 21-24, Maness Fall 2011 Membre de l'équipe Cal Poly, Team 21-24, Maness Fall 2011

CPSU-MANESS-F11S21G24

4 membres

6 tutoriels rédigés

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 - Réponse

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