Difficulty
Moderate
Steps
18
Time Required
25 minutes
Sections
2
- Back Panel
- 9 steps
- Keyboard Printed Circuit Board (PCB)
- 9 steps
Flags
0
BackLogitech Harmony Smart Keyboard
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Introduction
The keyboard printed circuit board (PCB) sends messages to the wifi and transmits key data to the server.
What you need
Step 1
Back Panel
- Turn keyboard over to the backside.
Turn keyboard over to the backside.
1024
Step 2
- Press and slide up on the upper battery latch, using both thumbs.
Press and slide up on the upper battery latch, using both thumbs.
Step 3
- Remove the two AA batteries and set them aside.
Remove the two AA batteries and set them aside.
Step 4
- Unscrew all five 4.0 mm screws, using Phillips #1 screwdriver.
Unscrew all five 4.0 mm screws, using Phillips #1 screwdriver.
Step 5
- Peel off the center sticker to reveal two hidden 4.0 mm screws.
- Unscrew these two screws with a Phillips #1 screwdriver.
Peel off the center sticker to reveal two hidden 4.0 mm screws.
Unscrew these two screws with a Phillips #1 screwdriver.
Step 6
- 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.
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.
Step 7
- 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.
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.
Step 8
- 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.
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.
Step 9
- 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.
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.
Step 10
Keyboard Printed Circuit Board (PCB)
- 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.
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.
Step 11
- Lift and remove the white rubber sheet that lays over the keyboard pet flexible PCB.
Lift and remove the white rubber sheet that lays over the keyboard pet flexible PCB.
Step 12
- Unscrew the two 4.0 mm screws on either side of the green card using a Phillips #1 screwdriver.
Unscrew the two 4.0 mm screws on either side of the green card using a Phillips #1 screwdriver.
Step 13
- Lift the green card up using the flat end of the plastic spudger.
Lift the green card up using the flat end of the plastic spudger.
Step 14
- Grip and lift the keyboard PCB up and out.
- The battery wires will remain connected.
Grip and lift the keyboard PCB up and out.
The battery wires will remain connected.
Step 15
- Grip and lift the battery wire bar out of the battery compartment, using your thumb and index finger.
Grip and lift the battery wire bar out of the battery compartment, using your thumb and index finger.
Step 16
- 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.
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.
Step 17
- Slide your index finger into the slot under the right blue tab.
- Pinch and pull the right blue tab away from the green card.
Slide your index finger into the slot under the right blue tab.
Pinch and pull the right blue tab away from the green card.
Step 18
- Pinch and pull the left blue tab away from the green card.
Pinch and pull the left blue tab away from the green card.
To reassemble your device, follow these instructions in reverse order.
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Author
with 4 other contributors
Hayley Nichols
Member since: 09/05/2017
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4 Guides authored
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Team
CSU Fullerton, Team S1-G2, Bruce Fall 2017
Member of CSU Fullerton, Team S1-G2, Bruce Fall 2017
CSUF-BRUCE-F17S1G2
3 Members
10 Guides authored
mark.tony40 - Nov 13, 2018
Reply
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.
