Lenovo A7 30 Tablet - Manual (Page 3)

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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 A3300..............................................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......................................... 34
1040 Microphone ......................................... 36
1050 Vibrator motor .................................... 38
1060 Receiver................................................ 40
1070 PCBA .................................................... 42
1080 Side key FPC ....................................... 53
1090 Speaker................................................. 54
1100 Front camera ....................................... 55
Locations............................................................. 56
Front view .................................................... 56
Rear view ...................................................... 57
Parts list .............................................................. 58
Overall........................................................... 58
Screw ............................................................. 60
Notices .........................................................61
Trademarks......................................................... 62
Contents