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Insignia NS-B2110 Transformer Replacement

Introduction

Follow these instructions to remove and replace the transformer in your boombox. This requires some simple soldering, so make sure you have a soldering iron handy and know how to use it. An easy step-by-step guide to soldering can be found here.

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  1. Insignia NS-B2110 Transformer Replacement, Battery: étape 1, image 1 de 2 Insignia NS-B2110 Transformer Replacement, Battery: étape 1, image 2 de 2

    • Flip the stereo so the CD opening is face down.

    • With two fingers, pinch the tabs and lift up to open the battery protection cover.

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  2. Insignia NS-B2110 Transformer Replacement: étape 2, image 1 de 2 Insignia NS-B2110 Transformer Replacement: étape 2, image 2 de 2

    • Using a spudger or your fingers, push up against the positive end of the battery. Once it is loose, lift the battery out.

    • Repeat until all eight batteries are removed.

    • Make sure the batteries are facing the right direction. If the device does not turn on, you may have the batteries in the opposite orientation.

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  3. Insignia NS-B2110 Transformer Replacement, Bottom Panel: étape 3, image 1 de 1

    • With a Phillips #2 screwdriver, remove two 2mm screws.

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  5. Insignia NS-B2110 Transformer Replacement: étape 4, image 1 de 2 Insignia NS-B2110 Transformer Replacement: étape 4, image 2 de 2

    • Using a long Phillips #2 screwdriver, remove one 6mm screw located inside the battery compartment.

    • Use the same screwdriver to remove four more 6mm screws along the outside of the case.

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  6. Insignia NS-B2110 Transformer Replacement: étape 5, image 1 de 3 Insignia NS-B2110 Transformer Replacement: étape 5, image 2 de 3 Insignia NS-B2110 Transformer Replacement: étape 5, image 3 de 3

    • With a plastic opening tool, wedge the bottom shell from the main speaker face along the edge.

    • The bottom cover has two red and two yellow wires attached to it that you don't want to pull off. Handle the casing carefully.

    • Once the pieces are separated, pull them apart and place the bottom cover aside, near the stereo.

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  7. Insignia NS-B2110 Transformer Replacement, Transformer: étape 6, image 1 de 2 Insignia NS-B2110 Transformer Replacement, Transformer: étape 6, image 2 de 2

    • Using a Phillips #2 screwdriver, remove two 4mm screws from the transformer box.

    • Remove the transformer and set it to the side.

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  8. Insignia NS-B2110 Transformer Replacement: étape 7, image 1 de 1

    • Remove the solder connecting the two yellow wires to the green quarter-circle board.

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  9. Insignia NS-B2110 Transformer Replacement: étape 8, image 1 de 3 Insignia NS-B2110 Transformer Replacement: étape 8, image 2 de 3 Insignia NS-B2110 Transformer Replacement: étape 8, image 3 de 3

    • There will be a strip of electrical tape securing the converter. Use scissors to carefully remove this tape.

    • Use a Phillips #2 screwdriver to remove two 4mm screws from the converter.

    • Remove the converter. There will be a plastic casing that slides off; set this aside.

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  10. Insignia NS-B2110 Transformer Replacement: étape 9, image 1 de 1

    • Remover the solder from the red and yellow wires on the converter.

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Conclusion

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

Auteur

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Jacob Phillips

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Équipe

Cal Poly, Team 4-31, Amido Fall 2013 Membre de l'équipe Cal Poly, Team 4-31, Amido Fall 2013

CPSU-AMIDO-F13S4G31

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