Lenovo B580, Руководство по техническому обслуживанию аппаратной части

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Removal steps of speaker assembly
Remove the screws 1 . Then remove the speaker assembly 2 .
1
1
1
1
2
2
Step Screw (quantity) Color
Torque
1
M2.5 × 5.7 mm, flat-head, nylon-coated (4) Black 4.0 kgfcm
1210 Base cover
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 43
• “1020 Bottom slot cover” on page 44
• “1030 Optical drive” on page 44
• “1040 Memory modules” on page 46
• “1050 Hard disk drive assembly” on page 47
• “1060 PCI Express Mini Card for wireless LAN” on page 49
• “1070 mSATA solid state drive” on page 51
• “1080 Backup battery” on page 52
• “1090 Keyboard” on page 53
• “1100 Keyboard bezel” on page 55
• “1130 Microphone assembly” on page 60
• “1140 I/O board” on page 61
• “1150 System board assembly and USB board” on page 62
• “1160 DC-in connector” on page 65
• “1190 LCD unit” on page 69
• “1200 Speaker assembly” on page 71
Applying labels to the base cover
The new base cover FRU is shipped with a kit containing labels of several kinds.
The following illustration shows the correct location of each label.
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Hardware Maintenance Manual