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Lenovo b50-30, 59-426187 [3/88] Contents
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iii
About this manual........................................iv
Safety information.........................................1
Generalsafety ...................................................... 2
Electricalsafety.................................................... 3
Safetyinspectionguide ...................................... 5
Handlingdevicesthataresensitivetoelectro‐
staticdischarge .................................................... 6
Groundingrequirements ................................... 6
Safetynotices:multilingualtranslations.......... 7
Lasercompliancestatement............................. 14
Important service information ...................16
StrategyforreplacingFRUs............................. 16
Strategyforreplacingaharddiskdrive .. 17
Importantnoticeforreplacingasystem
board ............................................................. 17
ImportantinformationaboutreplacingRoHS
compliantFRUs ................................................. 18
General checkout........................................19
Whattodofirst.................................................. 20
Powersystemcheckout .................................... 21
CheckingtheACadapter........................... 21
Checkingoperationalcharging................. 21
Checkingthebatterypack ......................... 22
Related service information.......................23
RestoringthefactorycontentsbyusingRecov‐
eryDiscSet......................................................... 23
Passwords........................................................... 24
Power‐onpassword.................................... 24
Hard‐diskpassword ................................... 24
Supervisorpassword .................................. 24
Powermanagement .......................................... 25
Screenblankstate........................................ 25
Puttingthecomputertosleeporshuttingit
down ............................................................. 25
Lenovo B50-30/B50-30 Touch/B50-45/B50-70
27
Specifications ..................................................... 27
Statusindicators ................................................ 29
Fnkeycombinations......................................... 30
Hotkeys............................................................... 30
FRUreplacementnotices.................................. 31
Screwnotices................................................ 31
RemovingandreplacinganFRU.................... 32
1010Batterypack......................................... 33
1020Opticaldrive ....................................... 34
1030Bottomslotcover ................................36
1040Harddiskdrive...................................37
1050DIMM................................................... 39
1060PCIExpressMiniCardforwireless
LAN/WAN....................................................40
1070Keyboard..............................................41
1080Keyboardbezel ...................................43
1090Fingerprintandpowerboard ..........45
1100USBboardandODDboard...............47
1110Ledboard............................................. 48
1120Dockingboard(onselectmodels)....49
1130Systemboard....................................... 50
1140Fanandheatsinkassembly .............. 53
1150Speakersandbatteryboard............... 54
1160LCDunitandbasecover ................... 55
1170LCDfrontbezel...................................59
1180LCDpanel............................................ 60
1190LCDhinges .......................................... 62
1200Antenna,LCDcable,andintegrated
camera ...........................................................63
Locations ............................................................. 65
Frontview..................................................... 65
Right‐sideview ............................................ 66
Bottomandleft‐sideview ..........................67
Partslist...............................................................68
Overall...........................................................69
LCDFRUs.....................................................73
Keyboard....................................................... 75
Miscellaneousparts..................................... 78
ACadapters.................................................. 79
Screws............................................................79
Powercords..................................................80
Notices .........................................................83
Trademarks.........................................................84
Contents
Содержание
- Contents 3
- About this manual 4
- Lenovo b50 30 b50 30 touch b50 45 b50 70 5
- Safety information 5
- General safety 6
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 6
- Electrical safety 7
- Lenovo b50 30 b50 30 touch b50 45 b50 70 7
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 8
- Lenovo b50 30 b50 30 touch b50 45 b50 70 9
- Safety inspection guide 9
- Grounding requirements 10
- Handling devices that are sensitive to electrostatic discharge 10
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 10
- Lenovo b50 30 b50 30 touch b50 45 b50 70 11
- Safety notices multilingual translations 11
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 12
- Lenovo b50 30 b50 30 touch b50 45 b50 70 13
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 14
- Lenovo b50 30 b50 30 touch b50 45 b50 70 15
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 16
- Lenovo b50 30 b50 30 touch b50 45 b50 70 17
- Laser compliance statement 18
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 18
- Lenovo b50 30 b50 30 touch b50 45 b50 70 19
- Important service information 20
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 20
- Strategy for replacing frus 20
- Important notice for replacing a system board 21
- Lenovo b50 30 b50 30 touch b50 45 b50 70 21
- Strategy for replacing a hard disk drive 21
- Important information about replacing rohs compliant frus 22
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 22
- General checkout 23
- Lenovo b50 30 b50 30 touch b50 45 b50 70 23
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 24
- What to do first 24
- Checking operational charging 25
- Checking the ac adapter 25
- Lenovo b50 30 b50 30 touch b50 45 b50 70 25
- Power system checkout 25
- Checking the battery pack 26
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 26
- Lenovo b50 30 b50 30 touch b50 45 b50 70 27
- Related service information 27
- Restore of factory default 27
- Restoring the factory contents by using recovery disc set 27
- Hard disk password 28
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 28
- Passwords 28
- Power on password 28
- Supervisor password 28
- Lenovo b50 30 b50 30 touch b50 45 b50 70 29
- Power management 29
- Putting the computer to sleep or shutting it down 29
- Putting your computer to sleep 29
- Screen blank state 29
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 30
- Shutting down the computer 30
- Lenovo b50 30 b50 30 touch b50 45 b50 70 31
- Specifications 31
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 32
- Lenovo b50 30 b50 30 touch b50 45 b50 70 33
- Status indicators 33
- Fn key combinations 34
- Hotkeys 34
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 34
- Fru replacement notices 35
- Lenovo b50 30 b50 30 touch b50 45 b50 70 35
- Screw notices 35
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 36
- Removing and replacing an fru 36
- Battery pack 37
- Lenovo b50 30 b50 30 touch b50 45 b50 70 37
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 38
- Optical drive 38
- Lenovo b50 30 b50 30 touch b50 45 b50 70 39
- Bottom slot cover 40
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 40
- Hard disk drive 41
- Lenovo b50 30 b50 30 touch b50 45 b50 70 41
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 42
- Lenovo b50 30 b50 30 touch b50 45 b50 70 43
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 44
- Pci express mini card for wireless lan wan 44
- Keyboard 45
- Lenovo b50 30 b50 30 touch b50 45 b50 70 45
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 46
- Keyboard bezel 47
- Lenovo b50 30 b50 30 touch b50 45 b50 70 47
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 48
- Finger print and power board 49
- Lenovo b50 30 b50 30 touch b50 45 b50 70 49
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 50
- Lenovo b50 30 b50 30 touch b50 45 b50 70 51
- Usb board and odd board 51
- Led board 52
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 52
- Docking board on select models 53
- Lenovo b50 30 b50 30 touch b50 45 b50 70 53
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 54
- System board 54
- Lenovo b50 30 b50 30 touch b50 45 b50 70 55
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 56
- Fan and heat sink assembly 57
- Lenovo b50 30 b50 30 touch b50 45 b50 70 57
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 58
- Speakers and battery board 58
- Lcd unit and base cover 59
- Lenovo b50 30 b50 30 touch b50 45 b50 70 59
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 60
- Lenovo b50 30 b50 30 touch b50 45 b50 70 61
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 62
- Lcd front bezel 63
- Lenovo b50 30 b50 30 touch b50 45 b50 70 63
- Lcd panel 64
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 64
- Lenovo b50 30 b50 30 touch b50 45 b50 70 65
- Lcd hinges 66
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 66
- Antenna lcd cable and integrated camera 67
- Lenovo b50 30 b50 30 touch b50 45 b50 70 67
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 68
- A b c d e f 69
- Front view 69
- Lenovo b50 30 b50 30 touch b50 45 b50 70 69
- Locations 69
- B c d e 70
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 70
- Right side view 70
- A b c d e f 71
- Bottom and left side view 71
- Lenovo b50 30 b50 30 touch b50 45 b50 70 71
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 72
- Parts list 72
- Overall 73
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 74
- Table 5 parts list overall 74
- Lenovo b50 30 b50 30 touch b50 45 b50 70 75
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 76
- Lcd frus 77
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 78
- Table 6 parts list 15 in hd tft 78
- Keyboard 79
- Lenovo b50 30 b50 30 touch b50 45 b50 70 79
- Table 7 parts list keyboard 79
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 80
- Table 7 parts list keyboard continued 80
- Lenovo b50 30 b50 30 touch b50 45 b50 70 81
- Table 7 parts list keyboard continued 81
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 82
- Miscellaneous parts 82
- Table 8 parts list miscellaneous parts 82
- Ac adapters 83
- Lenovo b50 30 b50 30 touch b50 45 b50 70 83
- Screws 83
- Table 10 screw list 83
- Table 9 parts list 3 pin ac adapters 83
- A lenovo power cord for a specific country or region is usually available only in that country or region 84
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 84
- Power cords 84
- Table 11 parts list 3 pin power cords 84
- Lenovo b50 30 b50 30 touch b50 45 b50 70 85
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 86
- Lenovo b50 30 b50 30 touch b50 45 b50 70 87
- Notices 87
- Lenovo b50 30 b50 30 touch b50 45 b50 70 hardware maintenance manual 88
- Trademarks 88
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