Einleitung

This is a replacement guide for the Logitech Harmony Smart Keyboard's key printed circuit board.

The keyboard printed circuit board (PCB) sends messages to the wifi and transmits key data to the server.

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    • Turn keyboard over to the backside.

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    • Press and slide up on the upper battery latch, using both thumbs.

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    • Remove the two AA batteries and set them aside.

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    • Unscrew all five 4.0 mm screws, using Phillips #1 screwdriver.

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    • Peel off the center sticker to reveal two hidden 4.0 mm screws.

    • Unscrew these two screws with a Phillips #1 screwdriver.

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    • Lift both top left and top right rubber stickers halfway, using the sharp end of the plastic spudger.

    • Unscrew a total of two 4.0 mm screws, under the rubber stickers, using a Phillips #1 screwdriver.

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    • Unscrew the top center 4.0 mm screw, in the battery compartment, using the Phillips #1 screwdriver.

    • Now, you should have a total of ten 4.0 mm screws set aside.

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    • Wedge the flat end of the spudger between the back panel and front panel.

    • Slide the flat end of the spudger from right to left to pry the two panels apart.

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    • Separate the back panel from the front panel completely, using both hands.

    • A white ribbon flex cable will remain connected to both panels.

    • Pull the panels apart slowly and gently, or the white ribbon flex cable may be unsafely removed.

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    • Grip the lower end of the ribbon flex cable (white band) using your thumb and index finger.

    • Then slide the strip out toward yourself in a scooping motion.

    • Now, you should have two completely separated panel pieces.

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    • Lift and remove the white rubber sheet that lays over the keyboard pet flexible PCB.

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    • Unscrew the two 4.0 mm screws on either side of the green card using a Phillips #1 screwdriver.

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    • Lift the green card up using the flat end of the plastic spudger.

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    • Grip and lift the keyboard PCB up and out.

    • The battery wires will remain connected.

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    • Grip and lift the battery wire bar out of the battery compartment, using your thumb and index finger.

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    • Pinch your precision tweezers and wedge the battery clamp up.

    • Lift the entire keyboard PCB out of the panel.

    • The keyboard PCB will remain connected to the green card.

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    • Slide your index finger into the slot under the right blue tab.

    • Pinch and pull the right blue tab away from the green card.

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    • Pinch and pull the left blue tab away from the green card.

Abschluss

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

Hayley Nichols

Mitglied seit: 05/09/17

507 Reputation

Ein Kommentar

This is really very informative to read and helpful while replacement or cleaning theprinted circuit board . I really want my friend companies engineer to read this type of information and work on it in practical. i wanna tag that company here as well @XG-technologies (https://xg-pcb.com/). Moreover keep sharing these type of informative blogs. really liked it.

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