Lenovo ThinkPad T420s Hardware Maintenance Manual - Page 94
LCD unit - keyboard
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2 Removal steps of speaker 1 12 12 12 12 3 Step 2 Screw (quantity) M2 × 3 mm, flat-head, nylon-coated (4) Color Silver Torque 0.181 Nm (1.85 kgfcm) 1110 LCD unit For access, remove these FRUs in order: • "1010 Battery pack" on page 68 • "1080 Keyboard" on page 80 • "1100 Palm rest with fingerprint reader, smart card reader, and speaker" on page 84 88 Hardware Maintenance Manual
2
Removal steps of speaker
1
2
2
2
3
2
Step
Screw (quantity)
Color
Torque
2
M2 × 3 mm, flat-head, nylon-coated (4)
Silver
0.181 Nm
(1.85 kgfcm)
1110 LCD unit
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 68
•
“1080 Keyboard” on page 80
•
“1100 Palm rest with fingerprint reader, smart card reader, and speaker” on page 84
88
Hardware Maintenance Manual