Table Of Contents - Lenovo LOQ 15AHP9 Hardware Maintenance Manual

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 . . . . . . . . . . . . . . .
CRU list . . . . . . . . . . . . . . . . . .
Chapter 3. Identifying FRUs
(CRUs) . . . . . . . . . . . . . . . . . 23
Locate FRUs and CRUs
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 27
Service tools . . . . . . . . . . . . . . . .
General guidelines . . . . . . . . . . . . . .
Handling thermal interface materials
Type, quantity, and areas of thermal interface
materials application on the thermal module . .
Area on the system board where thermal
interface materials are applied . . . . . . .
Remove the lower case . . . . . . . . . . . .
Remove the battery pack . . . . . . . . . . .
Remove the touchpad bracket . . . . . . . . .
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Remove the speakers . . . . . . . . . . . .
Remove the DC-in bracket . . . . . . . . . .
Remove the Wi-Fi card . . . . . . . . . . . .
Remove the 2242 solid-state drive (for selected
models) . . . . . . . . . . . . . . . . . .
Remove the 2280 solid-state drive (for selected
models) . . . . . . . . . . . . . . . . . .
Remove the CMOS battery . . . . . . . . . .
Remove the DIMM shielding . . . . . . . . . .
Remove the memory module
Remove the strip cover . . . . . . . . . . . .
Remove the thermal module . . . . . . . . . .
21
Remove the system board. . . . . . . . . . .
22
Use a Golden Key U1 tool to flash-write key id
information . . . . . . . . . . . . . . .
Remove the Type-C bracket . . . . . . . . . .
Remove the LCD module . . . . . . . . . . .
23
Remove the upper case (with keyboard) . . . . .
Disassemble the LCD module . . . . . . . . .
Remove the LCD bezel . . . . . . . . . .
Remove the LCD panel . . . . . . . . . .
27
Remove the camera board . . . . . . . . .
27
Remove the camera cable . . . . . . . . .
28
Remove the EDP cable . . . . . . . . . .
Remove the hinges. . . . . . . . . . . .
28
Remove the hinge caps . . . . . . . . . .
29
Remove the LCD cover . . . . . . . . . .
30
Chapter 5. Label locations . . . . . . 57
31
Trademarks . . . . . . . . . . . . . . . . . lix
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