Lenovo 13w Yoga, Hardware Maintenance Manual

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Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 3
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Chapter 2. General checkout . . . . . 21
What to do first . . . . . . . . . . . . . . . 21
Checking the ac power adapter
. . . . . . . . 22
Checking the battery and operational charging . . 22
Chapter 3. Locations . . . . . . . . . 25
Locating computer controls and connectors . . . 25
Front view . . . . . . . . . . . . . . . 25
Side view . . . . . . . . . . . . . . . 26
Locating FRUs and CRUs . . . . . . . . . . . 27
Major FRUs and CRUs . . . . . . . . . . 28
LCD FRUs and CRUs . . . . . . . . . . . 30
Miscellaneous parts . . . . . . . . . . . 31
Looking up FRU information . . . . . . . . . . 31
Chapter 4. FRU replacement
notices . . . . . . . . . . . . . . . . . 33
Service tool kit . . . . . . . . . . . . . . . 33
Screw notices . . . . . . . . . . . . . . . 33
Chapter 5. Removing or replacing a
FRU. . . . . . . . . . . . . . . . . . . 35
General guidelines . . . . . . . . . . . . . . 35
Before servicing the computer . . . . . . . . . 35
Disable Fast Startup and the built-in battery . . 35
Removing the nano-SIM-card and nano-SIM-
card tray (for selected models) . . . . . . . 36
Removing the SD card . . . . . . . . . . 36
Removing the pen dummy (for selected
models) . . . . . . . . . . . . . . . . 36
1010 Base cover assembly . . . . . . . . . . 37
1020 M.2 2242 solid-state drive . . . . . . . . 38
1030 Wireless WAN card (for selected models)
. . 39
1040 Coin-cell battery . . . . . . . . . . . . 40
1050 Memory module . . . . . . . . . . . . 40
1060 Wireless LAN card
. . . . . . . . . . . 41
1070 Heat sink . . . . . . . . . . . . . . . 42
1080 Rear camera and microphone module,
bracket, and cable (for selected models) . . . . . 43
1090 Thermal fan . . . . . . . . . . . . . . 44
1100 Built-in battery . . . . . . . . . . . . . 45
1110 P-sensor cable (for selected models) . . . . 46
1120 Lenovo Integrated Pen charge board and
cable (for selected models) . . . . . . . . . . 47
1130 I/O brackets . . . . . . . . . . . . . . 48
1140 System board . . . . . . . . . . . . . 49
1150 Power button with or without fingerprint
reader
. . . . . . . . . . . . . . . . . . 50
1160 Speaker assembly . . . . . . . . . . . 51
1170 Trackpad and trackpad cable . . . . . . . 51
1180 LCD unit . . . . . . . . . . . . . . . 54
1190 Keyboard assembly . . . . . . . . . . . 55
2010 LCD strip cover. . . . . . . . . . . . . 55
2020 Touch module assembly . . . . . . . . . 56
2030 LCD cable . . . . . . . . . . . . . . . 57
2040 LCD hinges . . . . . . . . . . . . . . 57
2050 Camera and microphone module with
microphone rubbers . . . . . . . . . . . . . 58
2060 Gravity sensor board and cable . . . . . . 59
2070 LCD cover assembly. . . . . . . . . . . 60
Appendix A. Notices . . . . . . . . . . 61
Appendix B. Abbreviation table . . . . 63
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