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LG Vu CU920 Microphone Replacement

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  1. LG Vu CU920 Microphone Replacement, Battery: étape 1, image 1 de 3 LG Vu CU920 Microphone Replacement, Battery: étape 1, image 2 de 3 LG Vu CU920 Microphone Replacement, Battery: étape 1, image 3 de 3
    • Remove the back cover by firmly pressing against the indent on the back panel. Slide the cover downward and off the phone.

  2. LG Vu CU920 Microphone Replacement: étape 2, image 1 de 2 LG Vu CU920 Microphone Replacement: étape 2, image 2 de 2
    • Remove the battery by placing your fingernail or an opening tool at the bottom edge of the battery and lift it out.

  3. LG Vu CU920 Microphone Replacement, Motherboard: étape 3, image 1 de 1
    • Remove the two 3.5 mm screws above the battery port with a Phillips #00 screwdriver.

  4. LG Vu CU920 Microphone Replacement: étape 4, image 1 de 2 LG Vu CU920 Microphone Replacement: étape 4, image 2 de 2
    • Pull out the antenna to reveal a third screw.

    • Remove the 3.5 mm screw with a Phillips #00 screwdriver.

  5. LG Vu CU920 Microphone Replacement: étape 5, image 1 de 3 LG Vu CU920 Microphone Replacement: étape 5, image 2 de 3 LG Vu CU920 Microphone Replacement: étape 5, image 3 de 3
    • Using a plastic opening tool, gently pop up the plastic tab.

    • Use the plastic opening tool to pry up the edges of the plastic casing. You will then be able to slide it around the edge to dislodge it.

  6. LG Vu CU920 Microphone Replacement: étape 6, image 1 de 2 LG Vu CU920 Microphone Replacement: étape 6, image 2 de 2
    • Remove the plastic case to reveal the motherboard.

  7. LG Vu CU920 Microphone Replacement: étape 7, image 1 de 1
    • Use a spudger to disconnect the cables from the motherboard.

    • The following steps will detail how to detach the cables from the connectors.

  8. LG Vu CU920 Microphone Replacement: étape 8, image 1 de 3 LG Vu CU920 Microphone Replacement: étape 8, image 2 de 3 LG Vu CU920 Microphone Replacement: étape 8, image 3 de 3
    • Gently lift the ZIF connector (black tab) holding the ribbon cable in place. When it is in the upright position, remove the cable from the back side.

  9. LG Vu CU920 Microphone Replacement: étape 9, image 1 de 1
    • Remove the jack attached to the red and blue wires by carefully pulling it upward from the motherboard.

  10. LG Vu CU920 Microphone Replacement: étape 10, image 1 de 1
    • Remove the round jack connected to the black cabel by carefully prying it up from beneath with a spudger or plastic opening tool.

    • This jack snaps on, so there will be more resistance than there was with the previous jack.

  11. LG Vu CU920 Microphone Replacement: étape 11, image 1 de 2 LG Vu CU920 Microphone Replacement: étape 11, image 2 de 2
    • Remove the remaining three ribbon cables by gently lifting them by the ends, opposite of the cables, with a plastic opening tool or spudger until they pop out.

  12. LG Vu CU920 Microphone Replacement: étape 12, image 1 de 3 LG Vu CU920 Microphone Replacement: étape 12, image 2 de 3 LG Vu CU920 Microphone Replacement: étape 12, image 3 de 3
    • Remove the motherboard by gently prying it up with a spudger from the charging port.

    • Be careful not to yank the camera's ribbon cable as you lift the board. Make sure that it is in line with its hole in the motherboard.

    • Once the board has been lifted, remove it by pulling it away from the connected edge.

  13. LG Vu CU920 Microphone Replacement, Microphone: étape 13, image 1 de 1
    • Unsolder the microphone located at the top right corner of the motherboard near the silver jack.

    • Solder in a replacement microphone.

Conclusion

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

Gregory Davis

Membre depuis le 04/17/13

48 Réputation

5 tutoriels rédigés

Équipe

Cal Poly, Team 8-57, Johann Spring 2013 Membre de l'équipe Cal Poly, Team 8-57, Johann Spring 2013

CPSU-JOHANN-S13S8G57

4 membres

7 tutoriels rédigés

Un commentaire

The microphone is located on a flex cable with the lower and side keys. The component shown is the external antenna connector, hence the location next to the internal antenna connector. Source: I work in cell phone repairs, soldering, and electrical circuitry.

Michael Benesch - Réponse

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