Lenovo ThinkPad T420si Hardware Maintenance Manual - Page 98

PCI Express Mini Card for wireless WAN

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Page 98 highlights

• "1060 PCI Express Mini Card for wireless WAN" on page 77 • "1070 4-in-1 media card reader" on page 79 • "1080 Keyboard" on page 80 • "1100 Palm rest with fingerprint reader, smart card reader, and speaker" on page 84 • "1110 LCD unit" on page 88 • "1130 Bluetooth daughter card (BDC-3.0)" on page 91 Removal steps of Bluetooth-wireless radio switch FPC 1 2 3 5 4 Step 3 Screw (quantity) M2 × 3 mm, bind-head, nylon-coated (1) Color Silver When installing: Attach the wireless radio switch as shown in the following figure a . Torque 0.181 Nm (1.85 kgfcm) 92 Hardware Maintenance Manual

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•
“1060 PCI Express Mini Card for wireless WAN” on page 77
•
“1070 4–in–1 media card reader” on page 79
•
“1080 Keyboard” on page 80
•
“1100 Palm rest with fingerprint reader, smart card reader, and speaker” on page 84
•
“1110 LCD unit” on page 88
•
“1130 Bluetooth daughter card (BDC-3.0)” on page 91
Removal steps of Bluetooth–wireless radio switch FPC
Step
Screw (quantity)
Color
Torque
3
M2 × 3 mm, bind-head, nylon-coated (1)
Silver
0.181 Nm
(1.85 kgfcm)
When installing:
Attach the wireless radio switch as shown in the following figure
a
.
92
Hardware Maintenance Manual