ByteRot :: PowerBook 3400 M3553 Speaker Panel Replacement

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PowerBook 3400 M3553 Speaker Panel Replacement

Device	PowerBook 3400 M3553
Difficulty	Moderate
Time	15 - 20 minutes
Steps	10

This guide is by Michael Mondragon on iFixit and is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0. ByteRot mirrors it for non-commercial preservation: formatting changed and photos resized for old browsers; full-size photos and the text are on the FTP in /DOCS/REPAIR. Original guide >>

In order to access the display or replace any portion of the sound system you must first remove the speaker panel from the computer.

Tools: TR8 Torx Security Screwdriver

Step 1

• Close the screen and turn the PowerBook over, orienting the computer upside down, using the label to guide you.

Step 2

• Hold the button on the front left side and slide the battery out.

Step 3

• With a Torx T8 screwdriver, remove the three Torx 24mm screws along the center of the back panel.

Step 4

• Turn the computer over and open the display. You should see that the keyboard is loose.
• CAUTION: Before attempting to remove the keyboard, note that a ribbon cable connects the keyboard to the logic board. Improper removal may damage your keyboard.
• Slightly lift the front of the keyboard up, and slide the keyboard towards yourself.
• Carefully lift the top half of the keyboard and pull it towards yourself.

Step 5

• Loosen the ribbon cables connecting the keyboard to the computer by using a plastic opening tool to lift the tabs on either side of the cable port.
• Gently remove the ribbons from its tabs.

Step 6

• Gently wiggle the RAM card to loosen the connection until it pulls free.

Step 7

• Disconnect the wires from the port.

Step 8

• Remove the 7mm screw connecting the speaker panel to the computer.

Step 9

• To detach the speaker panel's ribbon cable, use a plastic opening tool to lift the tabs on both sides of the cable port.
• Once loose, pull the ribbon cable free.

Step 10

• Lift the lighting/audio panel from it's bottom corners and pull the panel towards yourself.

Conclusion

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

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