1030 Base cover assembly . . . . . . . . . . 69
1040 Memory module . . . . . . . . . . . . 71
1060 M.2 solid-state drive . . . . . . . . . . . 71
1070 Coin-cell battery . . . . . . . . . . . . 73
1080 Wireless LAN card . . . . . . . . . . . 74
1090 Battery . . . . . . . . . . . . . . . . 75
1100 Speaker assembly . . . . . . . . . . . 76
1110 Trackpad and trackpad cable . . . . . . . 77
1120 Wireless LAN antenna assembly . . . . . . 78
1130 ThinkPad Pen Pro charger with cable . . . . 80
1140 Power button board with cable . . . . . . 81
1150 NFC board with cable, NFC attenna . . . . 82
1160 Fingerprint reader bracket and fingerprint
reader with cable . . . . . . . . . . . . . . 83
1170 Rear camera board with cable . . . . . . . 84
1180 LCD unit . . . . . . . . . . . . . . . 85
1190 HDMI connector bracket . . . . . . . . . 87
1200 USB 3.1 connector bracket . . . . . . . . 88
1210 Thermal fan . . . . . . . . . . . . . . 88
1220 System board . . . . . . . . . . . . . 90
1230 Keyboard bezel assembly . . . . . . . . 93
LCD FRUs for Yoga models . . . . . . . . . . 93
2010 Strip cover and rubber caps . . . . . . 94
2020 Touch module assembly and hinge
rubber. . . . . . . . . . . . . . . . . 94
2030 LCD hinges . . . . . . . . . . . . 96
2040 LCD cable and touch control board . . . 97
2050 Infrared camera/microphone module
with cable . . . . . . . . . . . . . . . 98
2060 Sensor board with cable and LCD rear
cover assembly . . . . . . . . . . . . . 100
2070 ThinkPad-logo-LED card with cable . . . 102
LCD FRUs for non-yoga models . . . . . . . . 102
2080 LCD bezel . . . . . . . . . . . . . 102
2090 LCD panel and LCD cable . . . . . . 103
2100 LCD hinges . . . . . . . . . . . . 104
2110 RGB camera/microphone module with
cable and LCD rear cover assembly . . . . . 105
Appendix A. Notices . . . . . . . . . . 107
Appendix B. Abbreviation and
acronym table . . . . . . . . . . . . . 109
ii L390, L390 Yoga, S2 4th Gen, and S2 Yoga 4th Gen Hardware Maintenance Manual
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