Ceiva LF2003 Main Circuit Board Replacement

Scritto Da: Casey Glasgow (e 2 altri collaboratori)

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Ceiva LF2003 Main Circuit Board Replacement

Difficoltà

Difficile

Passi

Tempo Necessario

15 - 25 minuti

Introduzione

Use this guide to replace the main circuit board of the device. This requires detaching all other components, including those that are soldered to the board.

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Parti

Nessuna parte richiesta.

Passo 1 Exterior Frame and Matting

Lay the device on its back, and rotate so the base is facing away from you.

Lay the device on its back, and rotate so the base is facing away from you.

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Passo 2

Grip the frame with your fingers under the edge of the frame, and thumbs pushing down on the front of the device.

Grip the frame with your fingers under the edge of the frame, and thumbs pushing down on the front of the device.

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Passo 3

Lift up the frame with your fingers and push down the rest of the device with your thumbs.

Lift up the frame with your fingers and push down the rest of the device with your thumbs.

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Passo 4

Remove the frame and matte from the device.

Remove the frame and matte from the device.

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Passo 5 Internal Plastic Screen Frame

Remove the four 7mm Torx T6 screws.

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Passo 6

Using the plastic opening tool or your fingers, lift up the frame from any edge.

Using the plastic opening tool or your fingers, lift up the frame from any edge.
Remove the frame from the device.

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Passo 7 Display

Unplug the cable connecting the display to the power supply using the flat end of the spudger to pry the connector away from the circuit board.

Alternate applying pressure to the left and right side of the connector to ensure that it does not break.

Unplug the cable connecting the display to the power supply using the flat end of the spudger to pry the connector away from the circuit board.
Alternate applying pressure to the left and right side of the connector to ensure that it does not break.

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Passo 8

Remove the four 7mm Torx T6 screws.

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Passo 9

Lift up the display from the left edge and flip display over.

Do not lift the display too quickly, as the display is still connected to the main circuit board on the right.

Lift up the display from the left edge and flip display over.
Do not lift the display too quickly, as the display is still connected to the main circuit board on the right.

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Passo 10

Use the spudger to disconnect the ribbon cable from the display by the black pins away from the connector. There is a pin on either side of the connector.

Once both pins are released, the ribbon cable should slide easily out.

It may be easier if someone else holds the display so the cable does not get ripped out.

Use the spudger to disconnect the ribbon cable from the display by the black pins away from the connector. There is a pin on either side of the connector.
Once both pins are released, the ribbon cable should slide easily out.
It may be easier if someone else holds the display so the cable does not get ripped out.

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Passo 11

Remove the display assembly from the device.

Remove the display assembly from the device.

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Passo 12 Main Circuit Board

Remove the five 7mm Torx T6 screws.

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Passo 13

Desolder the three wires attaching the board to the power supply.

Desolder the three wires attaching the board to the power supply.
In the pictures, the wires are not actually desoldered.

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Passo 14

Desolder all the ribbon cable attachments from the board.

Desolder all the ribbon cable attachments from the board.
In the pictures, the wires are not actually desoldered.

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Passo 15

Remove the circuit board from the device.

Remove the circuit board from the device.
The picture shows the board still attached to the wires, but after desoldering, the board will be completely free from the device.

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