Table Of Contents - Lenovo Yoga C740 Series 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 FRU (CRU) . . . 23
Locate FRU and CRU . . . . . . . . . . . .
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 25
© Copyright Lenovo 2019
Service tools . . . . . . . . . . . . . . . .
General guidelines. . . . . . . . . . . . . .
Remove the lower case . . . . . . . . . . . .
Remove the battery pack . . . . . . . . . . .
Remove the RTC battery . . . . . . . . . . .
Remove the thermal module . . . . . . . . . .
Remove the I/O board with cable . . . . . . . .
Remove the WLAN card . . . . . . . . . . .
Remove the solid-state drive. . . . . . . . . .
Remove the system board. . . . . . . . . . .
Remove the speakers . . . . . . . . . . . .
Remove the audio board . . . . . . . . . . .
21
Remove the upper case (with keyboard) . . . . .
22
Remove the LCD panel . . . . . . . . . . . .
Remove the camera and MIC board . . . . . . .
Remove the hinges . . . . . . . . . . . . .
23
Remove the EDP cable and FFC . . . . . . . .
Trademarks . . . . . . . . . . . . . . . . . li
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