Introduction

If the buttons on the stereo's face or the visual display are not working, you may need to remove them from the device to be replaced. This guide shows how to go about removing the buttons and LED display. This guide requires a knowledge of soldering. If you don't know how, follow this very simple step-by-step soldering guide

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.
  • 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.

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.
  • 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.

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

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.
  • 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.

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.
  • 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.

With a Phillips #2 screwdriver, remove five 5mm screws from the "quarter circle" circuit board. More wires! Handle the circuit board carefully and take caution not to stretch the red and white wires connected the board to the other components.
  • With a Phillips #2 screwdriver, remove five 5mm screws from the "quarter circle" circuit board.

  • More wires! Handle the circuit board carefully and take caution not to stretch the red and white wires connected the board to the other components.

  • Remove the green quarter circle circuit board and place to the side.

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On the brown side of the quarter circle circuit board, remove the two white ribbon cables with pink stripes attached to a plastic connector. To do this, pinch the tabs with your hands while pulling outward on the connector.
  • On the brown side of the quarter circle circuit board, remove the two white ribbon cables with pink stripes attached to a plastic connector. To do this, pinch the tabs with your hands while pulling outward on the connector.

With a Phillips #2 screwdriver, remove four 6mm screws from the rectangular circuit board.
  • With a Phillips #2 screwdriver, remove four 6mm screws from the rectangular circuit board.

Remove the two white ribbon cables attached to white plastic connectors from the circuit board by pinching the tabs with your hands and pulling outward on the connector.
  • Remove the two white ribbon cables attached to white plastic connectors from the circuit board by pinching the tabs with your hands and pulling outward on the connector.

Red and white wires are attached to this board as well. Once again, be careful not to stretch these.
  • Red and white wires are attached to this board as well. Once again, be careful not to stretch these.

  • Remove the rectangular circuit board and place it to the side.

With a Phillips #2 screwdriver, remove two 5mm screws from the black plastic frame which previously held up the rectangular circuit board.
  • With a Phillips #2 screwdriver, remove two 5mm screws from the black plastic frame which previously held up the rectangular circuit board.

  • Remove the black plastic frame.

With a Phillips #1 screwdriver, remove four 3mm screws from the silver metal circuit board. This board has two white ribbons attached to it. Once again, be careful not to stretch these.
  • With a Phillips #1 screwdriver, remove four 3mm screws from the silver metal circuit board.

  • This board has two white ribbons attached to it. Once again, be careful not to stretch these.

  • Remove and place the metal circuit board to the side.

With a Phillips #2 screwdriver, remove the two 3mm screws from the black plastic tuner frame.
  • With a Phillips #2 screwdriver, remove the two 3mm screws from the black plastic tuner frame.

The tuner is fragile and can snap easily. Handle it with care. Remove the black plastic tuner assembly piece using the blue plastic opening tool.
  • The tuner is fragile and can snap easily. Handle it with care.

  • Remove the black plastic tuner assembly piece using the blue plastic opening tool.

Turn the device so the CD tray faces up. Use the blue plastic opening tool to separate the front half (containing the speakers and display) and the back half (containing the antenna).
  • Turn the device so the CD tray faces up.

  • Use the blue plastic opening tool to separate the front half (containing the speakers and display) and the back half (containing the antenna).

  • When separating the device, keep in mind there are still wires attaches to the front half. Be careful not to damage these.

  • Pull the two plastic pieces apart. This will require a mild amount of force.

Remove the six 5mm #2 Phillips head screws from the circuit board. Remove the circuit board. This may require you to wiggle the board a little to get it free.
  • Remove the six 5mm #2 Phillips head screws from the circuit board.

  • Remove the circuit board. This may require you to wiggle the board a little to get it free.

Remove the solder from the back of the button. There are 4 points of solder for every button. Remove the button from the circuit board.
  • Remove the solder from the back of the button. There are 4 points of solder for every button.

  • Remove the button from the circuit board.

Conclusion

To reassemble your device, follow these instructions in reverse order. Solder the wires back on where they have been soldered off.

Samuel Randall

Member since: 10/14/2013

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Cal Poly, Team 4-31, Amido Fall 2013 Member of Cal Poly, Team 4-31, Amido Fall 2013

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