Fujitsu LIFEBOOK U7411 Модернизация и ремонт систем - Страница 29

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Removing the mainboard

Required work steps:

■

Switching off the battery

■

Removing the lower assy

■

Removing the battery

■

Removing the M.2 module

■

Removing the LTE module

■

Removing the memory

■

Removing the TPM module

■

Removing the fan

Warning!

In case of replacing the mainboard, please remove the memories, the M2. module, the LTE module, the fan and the TPM

module from the old mainboard beforehand. These components must be reconnected to the new mainboard after the

mainboard has been replaced.

►

Loosen and remove the five M2XL2.5 screws (yellow circles).

►

Open the connectors (red circles, red ovals) and remove the cables from the mainboard.

►

Now the mainboard can be removed from the device.

Warning!

There are white protective foils in the upper part of the device (see section:

fitted to protect against an electrical short circuit. In the event of replacement of the mainboard, these films are included in

the scope of delivery when the mainboard is ordered and are fitted in the device after replacement of the mainboard.

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Required tools:

■

Screwdriver: Phillips PH00

■

Plastic tool

Removing the white protective

films). These are