1140 Bluetooth Daughter Card And Bluetooth Sub Card - Lenovo X1 Hardware Maintenance Manual

Table 21. Removal steps of speaker assembly
Step Screw (quantity)
2 5
M2 x 3 mm (2)
When installing:
Make sure that the speaker connectors are attached firmly.

1140 Bluetooth daughter card and bluetooth sub card

For access, disable the battery pack first. Refer to "1000 Disabling the battery pack in the UEFI BIOS" on
page 62 for detailed instructions.
Then remove these FRUs in order:
• "1010 Hard disk drive and solid state drive" on page 63
• "1020 Keyboard" on page 65
• "1080 Keyboard bezel assembly with fingerprint reader and audio sub card " on page 75
• "1110 Fan assembly" on page 79
• "1120 I/O board" on page 81
• "1130 Speaker assembly" on page 82
Color Torque
Black 0.181 Nm
(1.85 kgfcm)
.
Chapter 8 Removing and replacing a FRU
83