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Lenovo b50-30, 59-426189 [59/88] Lcd unit and base cover
![Lenovo b50-30, 59-426189 [59/88] Lcd unit and base cover](/views2/1172275/page59/bg3b.png)
Lenovo B50-30/B50-30 Touch/B50-45/B50-70
55
1160 LCD unit and base cover
Foraccess,removetheseFRUs:
• “1010Batterypack”onpage33
• “1020Opticaldrive”onpage34
• “1030Bottomslotcover”onpage36
• “1040Harddiskdrive”onpage37
• “1050DIMM”onpage39
• “1060PCIExpressMiniCardforwirelessLAN/WAN”onpage40
• “1070Keyboard”onpage41
• “1080Keyboardbezel”onpage43
• “1100USBboardandODDboard”onpage47
• “1110Ledboard”onpage48
• “1120Dockingboard(onselectmodels)”onpage49
• “1130Systemboard”onpage50
Figure16.RemovalstepsofLCDunitandbasecover
Releasethetwoantennacablesfromthecableguidesbyarrows.Removesix
screws .
Step Screw (quantity) Color Torque
M2.5x4mm,flat‐head,nylok‐coated(6) Black 2.0~2.5kgf.cm
b
a
1
1
1
1
b
a
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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