Logitech Z4 Desk Speaker Disassembly

はじめに

disassembling the desk-speaker of the Logitech Z4 to access the driver and soldering points of the cable.

as you can see my speakers are quite old (around 2007 i belive) and the dissassembly did leave some more scratches and nicks, nothing that influenced the function of the speaker though.

the goal of the disassembly was to replace the cable that had a short close to the plug located at the sub-woofer.

必要な工具と部品

手順1 Unscrewing the speaker stand

Logitech Z4 Desk Speaker Disassembly, Unscrewing the speaker stand: 手順 1、 3の画像 1

Logitech Z4 Desk Speaker Disassembly, Unscrewing the speaker stand: 手順 1、 3の画像 2

Logitech Z4 Desk Speaker Disassembly, Unscrewing the speaker stand: 手順 1、 3の画像 3

Use a PH2 screwdriver to remove the two screws on the back of the speaker.
the speaker has a cinch connector to plug in to the sub-woofer.

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手順2 Removing frontpanel

Logitech Z4 Desk Speaker Disassembly, Removing frontpanel: 手順 2、 2の画像 1

Logitech Z4 Desk Speaker Disassembly, Removing frontpanel: 手順 2、 2の画像 2

removing the decorative front panel with a plastic pick (guitar picks work great). it is quite sturdy but the adhesive film on the back of it is strong, so go slow or heat it up with a hairdryer.

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手順3 Removing the housing screws

Logitech Z4 Desk Speaker Disassembly, Removing the housing screws: 手順 3、 1の画像 1

removing the main screws for the speaker housing. using the same driver (PH2) we can remove the 8 screws holding the main speaker assembly together.

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手順4 Opening the speaker housing

Logitech Z4 Desk Speaker Disassembly, Opening the speaker housing: 手順 4、 2の画像 1

Logitech Z4 Desk Speaker Disassembly, Opening the speaker housing: 手順 4、 2の画像 2

opening the speaker housing by prying it up evenly on all sides with the plastic pick.
it can be tapped lightly on the desk to make it fall out at the end of the process.

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手順5 Taking inventory

Logitech Z4 Desk Speaker Disassembly, Taking inventory: 手順 5、 3の画像 1

Logitech Z4 Desk Speaker Disassembly, Taking inventory: 手順 5、 3の画像 2

Logitech Z4 Desk Speaker Disassembly, Taking inventory: 手順 5、 3の画像 3

after opening the speaker fully you can see that the top and bottom membranes are not speakers, only decoration.
the middle one is connected with two wires matching the cinch connector on the cable.
the cable has a screw and some hot glue acting as a strain release for the cable.