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Sony TCM-919 Cassette-Corder Motherboard Replacement

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  1. Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove Back Cover: étape 1, image 1 de 1
    • Turn the device around so that the back cover if facing upward. Use your thumbs to press firmly down and then push the battery door cover open.

    • Remove any batteries.

  2. Sony TCM-919 Cassette-Corder Motherboard Replacement, Back Cover Screw Removal: étape 2, image 1 de 1
    • Remove the 5 5.95mm screws as indicated in the picture using the Phillips Head screwdriver.

  3. Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove 3-Digit Tape Counter: étape 3, image 1 de 2 Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove 3-Digit Tape Counter: étape 3, image 2 de 2
    • Locate the 3-digit tape counter and gently push the tabs apart releasing the counter.

    • Pull the 3-digit tape counter out.

    • Remove the rubber band attaching the 3-digit tape counter to the cassette head.

  4. Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove Motor: étape 4, image 1 de 2 Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove Motor: étape 4, image 2 de 2
    • Remove the screws as indicated in the picture using the Phillips Head screwdriver.

    • Pull the loosened motor out of the device, and set the motor aside.

  5. Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove the Tape Deck: étape 5, image 1 de 3 Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove the Tape Deck: étape 5, image 2 de 3 Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove the Tape Deck: étape 5, image 3 de 3
    • Removes the 3, 5.95mm screws using the Phillips Head screwdriver as indicated by picture 1.

    • Push firmly on the tabs and lift the tape deck out.

    • Set the tape deck aside.

  6. Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove Motherboard Screws: étape 6, image 1 de 1
    • Remove the 2 5.95mm screws as indicated by the picture using the Phillips Head screwdriver.

  7. Sony TCM-919 Cassette-Corder Motherboard Replacement, Remove Epoxy: étape 7, image 1 de 1
    • Remove the epoxy completely from the motherboard so that the wires underneath the epoxy can move freely.

  8. Sony TCM-919 Cassette-Corder Motherboard Replacement, Desolder Wires From Motherboard: étape 8, image 1 de 2 Sony TCM-919 Cassette-Corder Motherboard Replacement, Desolder Wires From Motherboard: étape 8, image 2 de 2
    • Remove the motherboard from case.

    • Flip the motherboard around so that the metallic green side is facing you.

    • Desolder the points indicated in picture 2. This should free the wires connected to the motherboard.

    • Remove the motherboard by pulling it out of the device cavity.

Conclusion

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

Marygayle Martin

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Baylor, Team 4-3, Williams Fall 2014 Membre de l'équipe Baylor, Team 4-3, Williams Fall 2014

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