Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 2
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
CRU list . . . . . . . . . . . . . . . . . . 22
Chapter 3. Identifying FRUs . . . . . . 23
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 27
Service tools . . . . . . . . . . . . . . . . 27
General guidelines . . . . . . . . . . . . . . 27
Remove the lower case . . . . . . . . . . . . 28
Remove the battery pack . . . . . . . . . . . 29
Remove the memory . . . . . . . . . . . . . 32
Remove the 2242 solid-state drive (for selected
models) . . . . . . . . . . . . . . . . . . 33
Remove the 2280 solid-state drive (for selected
models) . . . . . . . . . . . . . . . . . . 34
Remove the speakers . . . . . . . . . . . . 35
Remove the coin-cell battery. . . . . . . . . . 36
Remove the Wi-Fi card . . . . . . . . . . . . 37
Remove the heat sink . . . . . . . . . . . . 38
Remove the fan . . . . . . . . . . . . . . . 39
Remove the DC-in cable . . . . . . . . . . . 40
Remove the I/O board . . . . . . . . . . . . 42
Remove the I/O board (without fingerprint
board)
. . . . . . . . . . . . . . . . . . 43
Remove the fingerprint reader (for selected
models) . . . . . . . . . . . . . . . . . . 45
Remove the system board. . . . . . . . . . . 46
Use a Golden Key U1 tool to flash-write key id
information . . . . . . . . . . . . . . . 47
Remove the upper case. . . . . . . . . . . . 47
Remove the LCD bezel . . . . . . . . . . . . 49
Remove the hinge cover . . . . . . . . . . . 49
Remove the LCD module . . . . . . . . . . . 50
Remove the hinges . . . . . . . . . . . . . 51
Remove the microphone rubbers . . . . . . . . 53
Remove the EDP cable . . . . . . . . . . . . 53
Remove the camera module . . . . . . . . . . 54
Trademarks . . . . . . . . . . . . . . . . lvii
© Copyright Lenovo 2021
i
Содержание IdeaPad 1 14ADA7
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