Lenovo ThinkBook Series Owner's manual

Lenovo Thinkbook series
Hardware Maintenance Manual

First Edition (September 2019)
© Copyright Lenovo 2019.

Contents
About this m nu l . . . . . . . . . . . . iii
Ch pter 1. S fety inform tion . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . .
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Ch pter 2. Gener l checkout . . . . . 21
What to do first . . . . . . . . . . . . . . . 1
CRU list . . . . . . . . . . . . . . . . . .
Ch pter 3. Idetifying FRU (CRU) . . . 23
Locate FRU and CRU . . . . . . . . . . . . 3
Ch pter 4. Removing FRU or
CRU . . . . . . . . . . . . . . . . . . 27
Service tools . . . . . . . . . . . . . . . . 7
General guidelines. . . . . . . . . . . . . . 7
Remove the lower case . . . . . . . . . . . . 8
Remove the battery pack . . . . . . . . . . . 30
Remove the coin-cell battery. . . . . . . . . . 31
Remove the speakers . . . . . . . . . . . . 3
Remove the M. solid-state drive . . . . . . . . 33
Remove the M. solid-state drive thermal pad . . . 35
Remove the thermal choke pad. . . . . . . . . 36
Remove the WLAN card . . . . . . . . . . . 36
Remove the fan . . . . . . . . . . . . . . . 38
Remove the heat sink . . . . . . . . . . . . 40
Remove the HDD . . . . . . . . . . . . . . 4
Remove the memory module . . . . . . . . . 44
Remove the DC-in cable . . . . . . . . . . . 45
Remove the I/O board brackets . . . . . . . . 47
Remove the I/O board . . . . . . . . . . . . 49
Remove the power button board . . . . . . . . 51
Remove the power button. . . . . . . . . . . 53
Remove the system board. . . . . . . . . . . 55
Remove the touch pad . . . . . . . . . . . . 57
Remove the upper case . . . . . . . . . . . 59
Remove the LCD bezel . . . . . . . . . . . . 61
Remove the LCD panel . . . . . . . . . . . . 63
Remove the camera module . . . . . . . . . . 65
Trademarks . . . . . . . . . . . . . . . . lxix
© Copyright Lenovo 019 i

ii Lenovo Thinkbook series Hardware Maintenance Manual

About this m nu l
This manual contains service and reference information for the following Lenovo products.
M chine M chine type (MT)
Lenovo ThinkBook 14-IML 0RV
Lenovo ThinkBook 15-IML 0RW
Lenovo ThinkBook 14-IIL 0SL
Lenovo ThinkBook 15-IIL 0SM
Import nt:
• This manual is intended only for trained service technicians who are familiar with Lenovo products.
• Before servicing a Lenovo product, be sure to read all the information under Chapter 1 “Safety
information” on page 1.
© Copyright Lenovo 019 iii