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Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement

Inleiding

The optical finger is the smallest component of the Nest Thermostat. Although it is one of the last components to be disassembled it is still easily to get to. The tools required to replace the optical finger are a #0 Phillips screwdriver, tweezers, and plastic opening tools.

Wat je nodig hebt

  1. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Removal from Wall: stap 1, afbeelding 1 van 2 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Removal from Wall: stap 1, afbeelding 2 van 2

    • Grasp the display's metal outer ring with your fingers and pull directly away from the wall.

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  2. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Open Display: stap 2, afbeelding 1 van 1

    • Turn the display over.

    • Remove the four 6 mm screws from the back of the display using a Phillips #0 screwdriver.

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  3. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove the back of the display: stap 3, afbeelding 1 van 2 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove the back of the display: stap 3, afbeelding 2 van 2

    • Pinch the gray 20-pin connector with your fingers and pull directly away from the display.

    • Do NOT pull too far as there is a ribbon on the back panel connecting the 20-pin connector to the display.

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  4. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the base connection ribbon cable.: stap 4, afbeelding 1 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the base connection ribbon cable.: stap 4, afbeelding 2 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the base connection ribbon cable.: stap 4, afbeelding 3 van 3

    • Locate the blue pull tab at the end of the ribbon which says, "1. Pull".

    • Grasp the tab with your fingers and pull directly away from the motherboard.

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  5. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Lift battery from the base: stap 5, afbeelding 1 van 2 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Lift battery from the base: stap 5, afbeelding 2 van 2

    • Locate the blue tab which says, "2. Pull".

    • Use tweezers to pull the battery up and away from the display.

    • Do NOT pull too far, as the battery is still connected to the motherboard and must be unplugged.

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  6. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the battery from the motherboard: stap 6, afbeelding 1 van 2 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the battery from the motherboard: stap 6, afbeelding 2 van 2

    • Locate the blue tab which says "3 unplug".

    • Grasp the battery with your fingers. Pull gently directly away from the display to unplug the battery from the motherboard.

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  8. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove battery from the display: stap 7, afbeelding 1 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove battery from the display: stap 7, afbeelding 2 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove battery from the display: stap 7, afbeelding 3 van 3

    • Grasp the battery with your fingers and pull directly away from motherboard to separate the battery from the display.

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  9. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Locate auto-away sensor: stap 8, afbeelding 1 van 1

    • Locate the auto-away sensor.

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  10. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove screws: stap 9, afbeelding 1 van 2 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove screws: stap 9, afbeelding 2 van 2

    • Remove the four 3mm screws with a #0 Phillips screwdriver.

    • Remove the one 4mm screw located at the edge of the auto-away sensor. Use a #0 Phillips screwdriver.

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  11. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove auto-away sensor: stap 10, afbeelding 1 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove auto-away sensor: stap 10, afbeelding 2 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove auto-away sensor: stap 10, afbeelding 3 van 3

    • Lift the auto-away sensor from motherboard using tweezers.

    • Peel the copper foil gently from the EMI shield.

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  12. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Remove screw from motherboard: stap 11, afbeelding 1 van 1

    • Remove the 4 mm screw from the motherboard using a #0 Phillips screwdriver.

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  13. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Removal of EMI Shield: stap 12, afbeelding 1 van 2 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Removal of EMI Shield: stap 12, afbeelding 2 van 2

    • Remove the EMI shield from the motherboard using a plastic opening tool.

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  14. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the LCD ribbon: stap 13, afbeelding 1 van 2 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the LCD ribbon: stap 13, afbeelding 2 van 2

    • Unsnap the LCD ribbon from the motherboard gently using tweezers.

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  15. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the motherboard from the display: stap 14, afbeelding 1 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the motherboard from the display: stap 14, afbeelding 2 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Disconnect the motherboard from the display: stap 14, afbeelding 3 van 3

    • Locate the black tabs that hold the display to the motherboard.

    • Push the black tabs gently away from the motherboard using the plastic opening tools.

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  16. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Separate the motherboard and the display: stap 15, afbeelding 1 van 2 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Separate the motherboard and the display: stap 15, afbeelding 2 van 2

    • Pull the face display gently away from the motherboard.

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  17. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Separate motherboard from steal ring: stap 16, afbeelding 1 van 1

    • Using one hand to hold the steel ring, carefully lift the motherboard out of the ring using the other hand.

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  18. Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Removal of optical finger: stap 17, afbeelding 1 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Removal of optical finger: stap 17, afbeelding 2 van 3 Nest Learning Thermostat 2nd Generation Optical Finger Motion Sensor Replacement, Removal of optical finger: stap 17, afbeelding 3 van 3

    • Locate the optical sensor, a small board attached at 90 degrees from the side of the motherboard.

    • Using the tweezers, grasp the small green piece of exposed board on the sensor, and pull directly away from the side of the motherboard.

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Conclusie

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

3 andere personen hebben deze handleiding voltooid.

Auteur

met 2 andere bijdragers

Charles Suleskey

Lid sinds: 09/23/14

435 Reputatie

2 handleidingen geschreven

Medailles: 9

+6 andere badges

Team

USF Tampa, Team 11-5, Blackwell Fall 2014 Lid van USF Tampa, Team 11-5, Blackwell Fall 2014

USFT-BLACKWELL-F14S11G5

5 Leden

12 handleidingen geschreven

9 opmerkingen

Where can I get the sensor?

tyjustice - Antwoord

I second this, for the life of me, I can't find it. Just data specs and how most of the electronics retailers online says it obsolete, specially since Avago got absorbed by Broadcom.

Luis A. Cornejo -

This is helpful up to the point where I need to know where to get the sensor. Where do I get the sensor?

Art Adams - Antwoord

Any update where to get a new sensor? I just received a device from a friend and it needs to be fixed.

Steven D'Ambrozio - Antwoord

The easier path would be to install a rotary encoder, and call it a day. If you do find the sensor, you have to code basically a driver for it and print your own pattern.

ic3balandran - Antwoord

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