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Marshal Woburn Top Control Panel Replacement

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  1. Marshal Woburn Top Control Panel Replacement, Back Panel: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Marshal Woburn Top Control Panel Replacement, Back Panel: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Before starting, unplug the speaker from any power source. After unplugging the device, wait around 10 minutes before starting to let the capacitor fully discharge.

    • On a flat surface, orient the device so that the front grille is facing downward.

    • Using a Phillips #1 screwdriver, remove the ten outer 28.6 mm screws marked in red.

    • Remove the eight inner 28.6 mm screws with the Phillips #1 screwdriver.

  2. Marshal Woburn Top Control Panel Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Marshal Woburn Top Control Panel Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Lift the back input board slightly above the back panel.

    • Rotate the input board so that you can slide it into the hole in the back panel that it came from.

    • Fully slide the input board through the back panel and set it down gently inside the speaker.

  3. Marshal Woburn Top Control Panel Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Grab the panel by the large hole and lift one side until you can fit your hand under.

    • Use your hand to fully remove the back panel from the rest of the frame.

  4. Marshal Woburn Top Control Panel Replacement, I/O Board: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Disconnect the 5 wires circled in red from the back input board.

    • There may be a little resistance when pulling on the wires, but it should not require excessive force.

  5. Marshal Woburn Top Control Panel Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Marshal Woburn Top Control Panel Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Remove the two 12.7 mm screws marked in red from the front of the back input panel with a Phillips #1 screwdriver.

    • Remove the power input from the back side of the panel.

  6. Marshal Woburn Top Control Panel Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Completely remove the I/O board and the attached plate.

  7. Marshal Woburn Top Control Panel Replacement, Top Control Panel: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Using a Philips #1 screwdriver, remove the eight 9.5 mm screws that are marked in red from the perimeter of the metal frame for the top control panel.

  8. Marshal Woburn Top Control Panel Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • From the outside of the speaker, push down on the top control panel until you can feel the adhesive holding it to the frame start to loosen.

    • On the inside, make your way around the border of the top control panel and remove the adhesive until you can fully remove the panel from the frame.

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

NateP

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UMass Dartmouth, Team 2-4, Gulbrandsen Fall 2023 crwdns2935289:0UMass Dartmouth, Team 2-4, Gulbrandsen Fall 2023crwdne2935289:0

UMASSD-GULBRANDSEN-F23S2G4

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