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Introduction

If there is a sense of general unresponsiveness or faulty functionality in your JBL Pulse 2 speaker, you may need to replace the motherboard. Replacing the motherboard ensures that your device works at peak capacity.

What you need

Step 1 Battery

JBL Pulse 2 Motherboard Replacement, Battery: step 1, image 1 of 2

JBL Pulse 2 Motherboard Replacement, Battery: step 1, image 2 of 2

Remove the rubber rings from either end of the device.
If there is difficulty in lifting the rings from the device, use the metal spudger.

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Step 2

Remove the four 4.8mm Phillips #1 screws from each end of the device with the Phillips head screwdriver.
Lift the end pieces off of the device.

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Step 3

Remove the four 9.5mm Phillips #1 screws from each end of the device.

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Step 4

Peel one end off and slowly draw it across the length of the device until you get to the other side.

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Step 5

JBL Pulse 2 Motherboard Replacement: step 5, image 3 of 3

Remove the four 7.9mm Phillips #1 screws along the black centerpiece of the device between the camera and the auxiliary port.
Lift up the casing and circuit board but do not try and remove the ribbon wires.

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Step 6

Remove the cover from the end that the ribbon wires are attached to. It should peel off easily.

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Step 7

Unlatch the mechanism holding the ribbon wires in place, then disconnect them from the motherboard.
To access the wires, remove some of the black glue holding them in place with the spudger.

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Step 8

Slowly pull the ribbon wires out from the outside.
If there is too much resistance, remove more of the black glue.

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Step 9

Remove the four 7.9mm Phillips #1 screws around the edges of the center piece.
Slide the outer casing off away from the auxiliary and micro USB port.

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Step 10

Remove the other end of the device to access the wiring underneath it.

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Step 11

Tool used on this step:

Tweezers

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Use the angled tweezers to disconnect the battery from the motherboard. It will take some work to remove this piece.

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Step 12

Remove the four 7.9mm Phillips #1 screws from the black centerpiece of the device.

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Step 13

Use the spudger to reach under the sides of the black centerpiece to access the six latches, three of which are on each side.

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Step 14

Lift the black centerpiece off with the metal spudger to reveal the battery underneath.

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Step 15

Use a hot air gun to soften the hot glue in order to fully remove the battery.

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Step 16 Motherboard

JBL Pulse 2 Motherboard Replacement, Motherboard: step 16, image 1 of 3

JBL Pulse 2 Motherboard Replacement, Motherboard: step 16, image 2 of 3

JBL Pulse 2 Motherboard Replacement, Motherboard: step 16, image 3 of 3

Manually remove the LED strips from the outside of the white plastic casing.

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Step 17

JBL Pulse 2 Motherboard Replacement: step 17, image 3 of 3

Use the Phillips #1 screwdriver to remove the ten 9.5mm screws that hold the cage in place.
Lift the cage off.

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Step 18

Use the Phillips #1 screwdriver to remove the eight 6.4mm screws that hold the speakers in place.
Partially remove the speakers so you can see where they connect to the motherboard.

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Step 19

Tool used on this step:

Tweezers

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Use the straight tweezers to disconnect the speakers from the motherboard.
Fully remove the speakers once they are disconnected from the motherboard.

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Step 20

Disconnect the remaining wires from the motherboard with the straight tweezers.
Be cautious when performing this step. The mic wire is fragile and liable to break.

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Step 21

Use a hot air gun to soften the glue from the corners of the motherboard.
Slide the motherboard out of the casing.
The hot glue covers portions of the motherboard so be careful when softening and removing it.