Lenovo 7269D7U - Topseller M58e Sff E7500 2.93G 3Gb 320Gb Dvdrw W7p/Xpp, Руководство по техническому обслуживанию аппаратной части

Страница: 120 / 536

Replacing the internal speaker
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide , go to:http://www.lenovo.com/support
This section provides instructions on how to replace the internal speaker.
To replace the internal speaker:
1. Open the computer cover. See “Opening the cover” on page 99.
2. Remove the front bezel by releasing the three tabs.
3. Pivot the drive bay assembly upward to gain access to the internal speaker. See “Accessing system
board components and drives” on page 100.
4. Locate the internal speaker. See “Computer components” on page 98.
5. Disconnect the internal speaker cable and the thermal sensor cable from the internal speaker connector
and the thermal sensor connector on the system board. See “System board connectors” on page 98.
6. Push the four tabs 1 on the bottom of the internal speaker one by one to release the internal speaker,
and then lift the internal speaker 2 straight up to completely remove it from the chassis.
7. Remove the thermal sensor cable latched on the bottom of the old internal speaker and install it on the
new internal speaker.
8. Align the four tabs on the bottom of the new internal speaker with the corresponding holes in the
chassis, and push the new internal speaker straight down until it snaps into position.
114
ThinkCentre Hardware Maintenance Manual