Lenovo Tab 2 A7-30 (English) Hardware Maintenance Manual - Lenovo TAB 2 A7-30 - Page 3

Contents, Checking the Computer AC Charger - cover

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Contents About this manual iv Safety information 1 General safety 2 Electrical safety 3 Safety inspection guide 5 Handling devices that are sensitive to electrostatic discharge 6 Grounding requirements 6 Safety notices: multilingual translations.......... 7 Laser compliance statement 14 Important service information 16 Strategy for replacing FRUs 16 Important notice for replacing a system board 17 Important information about replacing RoHS compliant FRUs 18 General checkout 19 What to do first 20 Power system checkout 21 Checking the Computer AC Charger....... 21 Checking the internal battery status......... 22 Related service information 23 Security 23 Power management 23 Activating/Deactivating the Display ........ 23 Lenovo TAB 2 A7-30 24 Specifications 24 FRU replacement notices 26 Screw notices 26 Removing and replacing an FRU 27 1010 Rear cover and side key 28 1020 Battery pack 30 1030 Rear camera 33 1040 Speaker 35 1050 Antenna 38 1060 Microphone 43 1070 Main board assembly (with front camera and side key FPC 45 1080 Vibrator motor 50 1090 Main FPC 52 Locations 55 Front and side view 55 Rear view 56 Parts list 57 Overall 57 Screws 61 Notices 62 Trademarks 63

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About this manual
........................................
iv
Safety information
.........................................
1
General safety
......................................................
2
Electrical safety
....................................................
3
Safety inspection guide
......................................
5
Handling devices that are sensitive to electro-
static discharge
....................................................
6
Grounding requirements
...................................
6
Safety notices: multilingual translations
..........
7
Laser compliance statement
.............................
14
Important service information
...................
16
Strategy for replacing FRUs
.............................
16
Important notice for replacing a system
board
.............................................................
17
Important information about replacing RoHS
compliant FRUs
.................................................
18
General checkout
........................................
19
What to do first
..................................................
20
Power system checkout
....................................
21
Checking the Computer AC Charger
.......
21
Checking the internal battery status
.........
22
Related service information
.......................
23
Security
...............................................................
23
Power management
..........................................
23
Activating/Deactivating the Display
........
23
Lenovo TAB 2 A7-30
...................................
24
Specifications
.....................................................
24
FRU replacement notices
..................................
26
Screw notices
................................................
26
Removing and replacing an FRU
....................
27
1010 Rear cover and side key
.....................
28
1020 Battery pack
.........................................
30
1030 Rear camera
.........................................
33
1040 Speaker
.................................................
35
1050 Antenna
...............................................
38
1060 Microphone
.........................................
43
1070 Main board assembly (with front cam-
era and side key FPC)
.................................
45
1080 Vibrator motor
....................................
50
1090 Main FPC
.............................................
52
Locations
.............................................................
55
Front and side view
....................................
55
Rear view
......................................................
56
Parts list
..............................................................
57
Overall
...........................................................
57
Screws
............................................................
61
Notices
.........................................................
62
Trademarks
.........................................................
63
Contents