Dell M90 Uživatelská příručka stáhnout pdf (Strana 45)

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 Speakers

DellPrecision™M90MobileWorkstationServiceManual

Removing the Speakers

Replacing the Speakers

Removing the Speakers

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1. Follow the instructions in Before Working Inside Your Computer.

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2. Remove the hinge cover (see Removing the Hinge Cover).

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3. Remove the display assembly (see Removing the Display Assembly).

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4. Remove the keyboard (see Keyboard).

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5. Remove the palm rest (see Removing the Palm Rest).

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6. Disconnect the speaker cable connector from the connector on the system board.

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7. Lift the tape that secures the speaker cables to the computer base, and disengage the cables from the cable guides.

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8. Remove the four M2.5 x 5-mm screws from the speakers (two on each speaker).

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9. Remove the speakers.

Replacing the Speakers

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1. Connect the speaker cable connector to the connector on the system board.

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2. Align the speakers on the screw holes for securing the speakers to the computer base.

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3. Replace the four M2.5 x 5-mm screws to secure the speakers in place (two on each speaker).

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4. Re-route the speaker cables into the cable guides, and re-adhere the tape to secure the speaker cables in place on the computer base.

CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide.

NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such

as the back panel) on the computer.

NOTICE: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working inside the

computer.

NOTICE: Handle the speakers with care to help prevent damage to them.

M2.5 x 5-mm screws (4)

cable guides

tape

speakers (2)

speaker cable

connector on system board

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 54 55

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