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Обучение ремонту

Магазин

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Это демонтаж а неруководство по ремонту. Чтобы отремонтировать Google Nest Mini (2nd generation), воспользуйтесь нашим сервисным руководством.

  1. Begin with your standard issue Nest Mini. note the white insert inside the mounting hole. Insert an appropriate tool underneath this flexible rubber white insert. I'm using a knife. Knives are sharp, be careful. The rubber insert comes out, revealing a sneaky T6 Torx screw.
    • Begin with your standard issue Nest Mini. note the white insert inside the mounting hole.

    • Insert an appropriate tool underneath this flexible rubber white insert. I'm using a knife. Knives are sharp, be careful.

    • The rubber insert comes out, revealing a sneaky T6 Torx screw.

  2. Do the normal thing with the T6 Torx screw. Grab the front of the speaker in one hand and the back cover in the other, and rotate the back clockwise slightly. It should rotate just a few millimeters. Four lugs inside are disengaged when it rotates. You can now gently lift the back cover away. Be careful not to put strain on the ribbon cable.
    • Do the normal thing with the T6 Torx screw.

    • Grab the front of the speaker in one hand and the back cover in the other, and rotate the back clockwise slightly. It should rotate just a few millimeters.

    • Four lugs inside are disengaged when it rotates. You can now gently lift the back cover away. Be careful not to put strain on the ribbon cable.

    • Using a plastic spudger, unfasten the zero insertion force (ZIF) connector latch. Slide the ribbon connector out of the ZIF connector to free it.

  3. Three more T6s secure a board bringing power input and a microphone switch down the ribbon cable.
    • Three more T6s secure a board bringing power input and a microphone switch down the ribbon cable.

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  5. Four more T6 screws secure the speaker assembly to the front. A small connector must be unplugged to detach the speaker after unscrewing. Under the speaker, we find ... more T6 screws! The speaker has no fasteners and probably cannot be opened further nondestructively.
    • Four more T6 screws secure the speaker assembly to the front.

    • A small connector must be unplugged to detach the speaker after unscrewing. Under the speaker, we find ... more T6 screws!

    • The speaker has no fasteners and probably cannot be opened further nondestructively.

    • The foam covering the speaker hides a serial number in QR and written form.

  6. So far all the T6 screws have been the same. The five screws securing this piece, which covers the logic board, are not. Four long ones and a short one. If you forget the positions, the picture has your back.
    • So far all the T6 screws have been the same. The five screws securing this piece, which covers the logic board, are not. Four long ones and a short one. If you forget the positions, the picture has your back.

  7. Relieved of its T6s, the last piece pulls away with a bit of thermal shmoo. Here lies the smarts of this speaker. Ain't that much to look at, is it?
    • Relieved of its T6s, the last piece pulls away with a bit of thermal shmoo.

    • Here lies the smarts of this speaker. Ain't that much to look at, is it?

  8. The board can be gently prised from its casing, now secured only by some glue, thermal pads, and foil tape. There's not much in here that's serviceable without an advanced degree in fiddly soldering.
    • The board can be gently prised from its casing, now secured only by some glue, thermal pads, and foil tape.

    • There's not much in here that's serviceable without an advanced degree in fiddly soldering.

notethan

Участник с: 27.08.2010

265 Репутация

1 руководство автора

Комментариев: 16

Hello notethan, good teardown, is some marking readable on the flash and cpu chips?

Leonid Protasov - Ответить

Thanks Leonid.

The NAND flash is TC58NVG2S0H

The SoC is Synaptics AS-370 A1

RAM is NT5CC128M16JR

The entire markings on each chip are:

1932KLE

ZN4238 CHINA

TC58NVG2S0H

8AI6

Synaptics

AS-370 A1

933AFFH 423

U15014.000F

NT5CC128M16JR-EK[there's more letters but they're covered]

92420800EP L T[there's more letters but they're covered]

notethan - Ответить

What power it has inside so I can make it portable with a rechargeable battery?

ALEXA - Ответить

@hk_asking The switch is on a small peripheral board connected by a ribbon cable. I cannot tell if it directly disconnects the microphone.

notethan - Ответить

@alexa3 the power supply is marked 14V / 1.1A

notethan - Ответить

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