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The motherboard is the last piece of your speaker you should try replacing if it is not operating properly as it is the most difficult to access.
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Turn your speaker upside down and insert the plastic opening tool vertically into the slit in the front cover.
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Slowly pull the plastic opening tool outward to remove the four clips holding the covering in place.
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Repeat this process for all four edges of the front cover.
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Pull apart your cover gently from both sides and remove it from the speaker housing.
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Remove the two 8mm Phillips #1 screws from the tabs.
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NOTE: There may be only one screw.
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Insert the plastic opening tools underneath both tabs.
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Twist and pull open the passive radiator. The left radiator twists off clockwise; the right counterclockwise.
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Repeat all previous steps for the other passive radiator.
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NOTE: only the right radiator needs to be removed for changing the battery.
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Remove the eight 10mm Phillips #1 screws from around the two front speakers.
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Pull gently on one of the speakers so it is outside of the housing. Be careful as it is still attached with the wires to the motherboard.
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Press the small metal tab on the speaker connector with a Phillips #000 screwdriver and gently pull the connector apart.
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Repeat the previous step for the second connector.
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Grab the bundled cable connector that joins the speakers to the motherboard with tweezers. Gently pull the connector free.
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Now that the second speaker is disconnected from the motherboard, pull the speaker and wires out of the housing.
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Remove the six 8mm Phillips #1 screws from the outer battery cover.
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Peel the outer battery cover away from the speaker housing.
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Remove the seven 8mm Phillips #1 screws from interior battery cover.
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Remove the interior battery cover.
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Pull gently to disconnect the bundled cable connector in the side of the speaker. This action will separate the battery from the motherboard.
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Pull the battery and battery cable out from their housing.
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Take out the four 8mm Phillips #1 screws out of the port bay cover.
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Wedge your plastic opening tool around the port bay to remove it.
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Disconnect the two bundled cable connector from the port bay.
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Remove the three 8mm Phillips #1 screws from the port bay circuit board.
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Pull the port bay cover off of the circuit board.
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Desolder the USB, MicroUSB, or AUX port off of the circuit board.
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Remove the two 9mm Phillips #1 screws holding in the sides of the motherboard.
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Gently pull the bundled cable connector on the motherboard.
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Gently pull the golden connector off of the motherboard.
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Flip open the top flap on the two ZIF connectors.
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Gently pull out the ZIF connector cables with tweezers.
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Slide the motherboard out of the housing.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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Internation version is different. There are no screws for passive radiotors.
You have to twist it. I have to managed to get it open because there is no video on youtube (I can’t find any)
If that even is Charge 3.
My JBL charge 3 is not charging …please give me idea to fix ..but it’s working perfectly only
My jbl charge are charging but it won't turn on…… i have tried several times to turn it on but it won't turn…… hoping for solutions……