Danger
Potentially Dangerous
Injury may result if this procedure is not followed properly. Use caution and follow all warnings.
Danger

Introduction

This replacement guide will instruct you how to replace the AC Input Jack on the speaker. Before doing anything, be sure to safely discharge the capacitor using this guide.

Image 1/1: Remove the 7.5 mm Phillips-head screws using a Phillips #1 screwdriver with a  J sized head.
  • First, remove the eight screws on the speaker's back panel. These screws should be located on the top and bottom corners of the back, as well as along the sides.

  • Remove the 7.5 mm Phillips-head screws using a Phillips #1 screwdriver with a J sized head.

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Image 1/2: The remaining two 7.5 mm Phillips-head screws are located on the base of the indented section of the speaker, pictured here. They are also hidden beneath black rubber covers.  Repeat same process in removing the screws. Image 2/2: The remaining two 7.5 mm Phillips-head screws are located on the base of the indented section of the speaker, pictured here. They are also hidden beneath black rubber covers.  Repeat same process in removing the screws.
  • Next, remove 4 more 7.5 mm Phillips-head screws on the top part of the speaker (where the power buttons and extra BASS buttons are located). Two of the screws are located on the underside of the handle and are hidden beneath black rubber covers. Remove the covers and use a Phillips #1 screwdriver to unscrew the screws.

  • The remaining two 7.5 mm Phillips-head screws are located on the base of the indented section of the speaker, pictured here. They are also hidden beneath black rubber covers. Repeat same process in removing the screws.

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Image 1/2: Gently remove the belt from its junction on the board, and after doing so the top plastic casing of the speaker will be fully detached. Image 2/2: Gently remove the belt from its junction on the board, and after doing so the top plastic casing of the speaker will be fully detached.
  • Gently lift up the entire top plastic section of the speaker. Do so slowly, the section is still connected to the circuitboard by a belt.

  • Gently remove the belt from its junction on the board, and after doing so the top plastic casing of the speaker will be fully detached.

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Image 1/2: Remove the pads slowly, as the adhesive makes them tougher to remove and you do not want to rip them. Image 2/2: Use an opening tool to help take out the side shell from the rest of the speaker.
  • Additionally, the sides need to be taken apart. You will need to take out 4 additional 7.5 mm Phillips-head screws on either side. These screws are located beneath larger grey pads with adhesive on them at the side corners of your speaker.

  • Remove the pads slowly, as the adhesive makes them tougher to remove and you do not want to rip them.

  • Use an opening tool to help take out the side shell from the rest of the speaker.

  • This step can be difficult to perform and do not hesitate to use some force, there are no delicate components on the immediate underside of the side panel.

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Image 1/1: You have now disassembled the top casing of your speaker and you are prepared to make replacements of components!
  • The speaker should now be stripped of its basic shell except for the bottom and front panels.

  • You have now disassembled the top casing of your speaker and you are prepared to make replacements of components!

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Image 1/1:
  • Find the gold-yellow daughterboard, located underneath the top plastic housing of the speaker.

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Image 1/1: The belt can only be disconnected from the motherboard side of the connection.
  • Remove the belt connecting the daughterboard to the motherboard by gently removing the yellow clip from its housing on the motherboard.

  • The belt can only be disconnected from the motherboard side of the connection.

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Image 1/1:
  • Remove the four 6.4mm phillips head screws located at each corner of the daughterboard with a Phillips head screwdriver.

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Image 1/2: The daughterboard is free to be fully removed. You are now prepared to replace or make replacements components on the daughterboard! Image 2/2: The daughterboard is free to be fully removed. You are now prepared to replace or make replacements components on the daughterboard!
  • Gently slide the entire daughterboard towards the frontside of the speaker, unhooking it from the prong that keeps it in place.

  • The daughterboard is free to be fully removed. You are now prepared to replace or make replacements components on the daughterboard!

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Image 1/2: Image 2/2:
  • Flip the board around and unsolder the input jack ports from the daughterboard. If you would like more information on the technique to soldering, refer to this link.

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Image 1/1: Re-solder the new input jack component onto the daughterboard.
  • Replace the old input jack component with the new one.

  • Re-solder the new input jack component onto the daughterboard.

  • You have just replaced the AC power input jack component on your speaker!

Since you have disassembled it, do you know what power lithium battery I could use to make this a portable battery powered speaker. You think that is possible?

gundeep sohi - Reply

Conclusion

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

Ryan Morosa

Member since: 01/25/2017

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Cal Poly, Team 9-3, Banghart Winter 2017 Member of Cal Poly, Team 9-3, Banghart Winter 2017

CPSU-BANGHART-W17S9G3

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