Lenovo B50-70 Laptop Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch
Lenovo B50-70 Laptop Manual
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- Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 1
Lenovo B50-30/B50-30 Touch/ B50-45/B50-70 Hardware Maintenance Manual - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 2
: Before using this information and the product it supports, be sure to read the general information under "Notices" on page 83. First Edition (April 2014) © Copyright Lenovo 2014. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 3
25 Screen blank state 25 Putting the computer to sleep or shutting it down 25 Lenovo B50-30/B50-30 Touch/B50-45/B50-70 27 Specifications 27 Status indicators 29 Fn key combinations 30 Hotkeys 30 FRU replacement notices 31 Screw notices 31 Removing and replacing an FRU 32 1010 Battery pack - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 4
About this manual This manual contains service and reference information for the following Lenovo product: Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Use this manual to troubleshoot problems. The manual is divided into the following sections: • The common sections provide general information, - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 5
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer: • "General safety" on page 2 • "Electrical safety" on page 3 • "Safety inspection guide" on page 5 • "Handling - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 6
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual General safety Follow the following rules to ensure that may be hazardous to your eyes. • After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. • - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 7
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Electrical safety Observe the following rules when working frames. Observe the special safety precautions when you work with very high voltages; instructions for these precautions are in the safety sections of maintenance information. Be extremely careful - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 8
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 9
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Safety inspection guide The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 10
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic grounding system, such as those listed below, to provide protection that meets the specific service requirement. Notes: The use of a grounding system to guard against ESD damage - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 11
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 12
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short‐circuit it. Dispose of the battery as required by - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 13
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short‐circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 14
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 15
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing. - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 16
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove brennbare Materialien zu entzünden oder Verletzungen bei Personen hervorzurufen. Sebbene le batterie di alimentazione siano a basso voltaggio, una batteria in corto circuito o - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 17
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le syst - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 18
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo computer are equipped from the factory Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products diverse da quelle specificate possono provocare l' - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 19
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 A CD‐ROM drive, a DVD‐ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser . Radiación láser al abrir. No mire fijamente ni examine con instrumental óptico el haz de luz. Evite la exposición directa al haz. 15 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 20
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Important service information This chapter presents the following important service information: • "Strategy for replacing FRUs" on page 16 - "Strategy for replacing a hard disk drive" on page 17 - "Important notice for replacing - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 21
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. • Some computers have both a - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 22
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 23
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 General checkout This servicing sequence might have been altered. If you select an incorrect drive, data or programs might be overwritten. • Replace an FRU only with another FRU of the correct model. When you replace an FRU, make sure that the machine model - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 24
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2. Date of service 3. Date on which - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 25
pin No. 2 may differ from the one you are servicing. 3. If the voltage is not correct, replace the AC adapter. 4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to "Lenovo B50‐30/B50‐30 Touch/B50‐45/B50‐70" on page 27. Note: Noise from the - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 26
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 27
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Related service information This chapter presents the following information: • "Restoring the factory contents by using Recovery Disc Set" on page 23 • "Passwords" on page 24 • "Power management" on page 25 Restoring the factory contents by using Recovery - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 28
-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Passwords As many as three passwords may be needed for any Lenovo computer: the power‐on password (POP), the hard disk password (HDP), and the supervisor password (SVP). If any of these passwords has been set, a prompt for it appears on the screen - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 29
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank state If the time set on the - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 30
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down your computer: • For - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 31
30/B50-30 Touch/B50-45/B50-70 Lenovo B50-30/B50-30 Touch/B50-45/B50-70 This chapter presents the following product‐specific service references and product‐specific parts information: • "Specifications" on page 27 • "Status indicators" on page 29 • "Fn key combinations" on page 30 • "FRU replacement - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 32
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Table 1. Specifications (continued) Feature I/O ports Audio Video WLAN WWAN Bluetooth Keyboard Touch pad Integrated camera Battery AC adapter Pre‐installed operating system Description • Combo audio jack × 1 • RJ45 × 1 • HDMI - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 33
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Status indicators The system status indicators below show the computer status: 1 2 Table 2. Status indicators Indicator Status Green a Power and Blinking battery Green status indicator Amber Blinking amber Off b Hard disk drive On indicator - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 34
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Fn key combinations Hotkeys The following table shows the function of each combination of Fn with a function key. Table 3. Fn key combinations Key the volume level. : Turns the LCD screen backlight on/off. : Closes the - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 35
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addressed - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 36
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service any computer - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 37
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1010 Battery pack DANGER • Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 1. Removal steps of battery pack Unlock the manual battery latch a . While holding the spring‐loaded battery - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 38
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 1020 Optical drive For access, remove this FRU: "1010 Battery pack" on page 33 Figure 2. Removal steps of optical drive Remove the screw a . Then remove the optical drive by arrow b . 1 2 Step a Screw (quantity) M2 x 6 mm, - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 39
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Figure 2. Removal steps of optical drive (continued) Remove two screws d and remove the optical drive bracket in the direction by arrow e . 25 4 Step d Screw (quantity) M2 x 3 mm, flat‐head, nylok‐coated (2) Color Torque Black 1.0~1.5kgf.cm 35 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 40
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 1030 Bottom slot cover For access, remove this FRU: "1010 Battery pack" on page 33 Figure 3. Removal steps of bottom slot cover Remove the two screws a . Then remove the bottom slot cover by arrow b . 1 1 2 Step a Screw ( - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 41
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1040 Hard disk drive For access, remove these FRUs in order: • "1010 Battery pack" on page 33 • "1030 Bottom slot cover" on page 36 Attention: • Do not drop the hard disk drive or apply any physical shock to - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 42
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Figure 4. Removal steps of hard disk drive (continued) Remove four (quantity) M3 x 3 mm, flat‐head, nylok‐coated (4) Color Silver Torque 2.5~3.0kgf.cm When installing: Make sure that the HDD connector is attached firmly. 38 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 43
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1050 DIMM For access, remove these FRUs in order: • "1010 Battery pack" on page 33 • "1030 firmly fixed in the slot and difficult to be moved. • For B50‐30: Two memory channels are supported. Both channels have memory of same size and ranks.It is a must that - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 44
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 1060 PCI Express Mini Card for wireless LAN/WAN For access, remove these FRUs in order: • "1010 Battery LAN card has 2 cables in step a. Wireless LAN card in some models may have 3 cables in step a. Step b Screw (quantity) M2 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 45
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1070 Keyboard For access, remove this FRU: • "1010 Battery pack" on page 33 Figure 7. Removal steps of keyboard Remove three screws a. 1 1 1 Step Screw (quantity) a M2 x 6 mm, flat‐head, nylok‐coated (3) Color Black Torque 1.5~2.0kgf. - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 46
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Figure 7. Removal steps of keyboard (continued) Lift up the keyboard d and disconnect the connector in the direction shown by arrows e f. Be careful not to damage - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 47
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1080 Keyboard bezel For access, remove these FRUs: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1070 Keyboard" on page 41 Figure 8. Removal steps - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 48
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Figure 8. Removal steps of keyboard bezel (continued) Disconnect the three connectors in the direction shown by arrow c and remove the keyboard bezel by arrow d. 4 3 When - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 49
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1090 Finger print and power board For access, remove these FRUs: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1070 Keyboard" on page 41 • "1080 Keyboard bezel" - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 50
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Figure 9. Removal steps of finger print and power board (Continued) Peel off the adhesive of the power board FPC. Remove the screw e . Then remove the - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 51
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1100 USB board and ODD board For access, remove these FRUs: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1070 Keyboard" on page 41 • "1080 Keyboard bezel" - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 52
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 1110 Led board For access, remove these FRUs: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1070 Keyboard" on page 41 • "1080 Keyboard bezel" - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 53
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1120 Docking board (on select models) For access, remove these FRUs: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1070 Keyboard" on page 41 • "1080 Keyboard bezel" - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 54
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 1130 System board Important padded surface such as an ESD mat or conductive corrugated material. For access, remove these FRUs: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 55
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Figure 13. Removal steps of system board (continued) Disconnect the ODD board connector and the USB board connector in the direction shown by arrow b . - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 56
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Figure 13. Removal steps of system board (continued) For B50‐70 (on select models): Disconnect the two docking connectors by arrows 7 h , then remove the system board in the direction by arrow i . 8 7 9 For B50‐30/B50‐30 Touch/B50 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 57
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1140 Fan and heat sink assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1040 Hard disk drive" on page 37 • "1050 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 58
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 1150 Speakers and battery board For access, remove these FRUs: • "1010 Battery page 50 Figure 15. Removal steps of speakers and battery board Remove two screws a and four screws b. Remove the speakers and the battery board in the - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 59
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1160 LCD unit and base cover For access, remove these FRUs: • "1010 Battery page 48 • "1120 Docking board (on select models)" on page 49 • "1130 System board" cover Release the two antenna cables from the cable guides by arrows. Remove six screws a b. 1 1 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 60
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Figure 16. Removal steps of LCD unit and base cover (continued) Remove the LCD unit from the base cover in the direction by arrow b. 2 56 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 61
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 For Windows 7 operating System: Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following labels: The following labels need to be - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 62
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual For Windows 8 operating System: Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following labels: The - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 63
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1170 LCD front bezel For access, remove these FRUs: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1040 Hard disk drive" on page 37 • "1050 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 64
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 1180 LCD panel For access, remove these FRUs in order: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1040 Hard disk drive" on page 37 • "1050 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 65
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Figure 18. Removal steps of LCD panel (continued) Turn over the LCD module in the direction as shown by arrow b. Disconnect the connector by - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 66
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 1190 LCD hinges For access, remove these FRUs: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1040 Hard disk drive" on page 37 • "1050 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 67
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1200 Antenna, LCD cable, and integrated camera For access, remove these FRUs in order: • "1010 Battery pack" on page 33 • "1020 Optical drive" on page 34 • "1030 Bottom slot cover" on page 36 • "1040 Hard disk drive" on page 37 • "1050 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 68
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Figure 20. Removal steps of Antenna, LCD cable, and integrated camera Release two antenna cables and one LCD cable from the cable guide. Detach the adhesive of the antenna to remove them in the direction by arrow c. 3 3 2 When - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 69
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Locations Front view a Integrated camera b Built‐in microphone c Wireless antennas d Computer display e Speakers f Power button 7 Finger print h Touchpad i Memory card slot j System status indicator 3 4 6 9 10 21 5 7 8 65 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 70
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Right-side view a Combo audio jack b USB port c Novo button d Kingston lock slot e Optical drive 3 2 1 4 5 66 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 71
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Bottom and left-side view a AC power adapter jack b Lenovo OneLink connector (on selected models) c Louvers d VGA port e RJ‐45 port f HDMI port 7 USB port 1 2 3 4 5 6 7 67 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 72
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Parts list This section presents the following service parts: • "Overall" on page 69 • "LCD FRUs" on page 73 • "Keyboard" on page 75 • "Miscellaneous parts" on page 78 • "AC adapters" on page 79 • "Screws" - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 73
Overall Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1 2 3 4 5 (d) (c) 6 7 (f) 8 9 10 (e) (a) 11 12 13 15 14 17 18 16 (g) (b) 19 21 20 (h) (i) 22 69 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 74
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Table 5. Parts list-Overall No. FRU 1 LCD unit (see "LCD FRUs" on page 73) 2 Keyboard (see "Keyboard" on page 75) 3 Battery pack, 4cell, 14.4V 41Wh, SY L12S4E55 3 Battery pack, 4cell, 14.8V 41Wh, LG L12L4E55 3 Battery pack, 4cell, - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 75
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 No. FRU 15 ZIWB3 MB W8S I5‐4200U UMA 1000 WO/FP 15 ZIWB3 MB Jet‐LE 2G I3‐4100U 1000 W/FP 15 ZIWB3 MB W8P Jet‐LE2G I3‐4100U 1000 W/FP 15 ZIWB3 MB W8S Jet‐LE2G I3‐4100U 1000 W/FP 15 ZIWB3 MB Jet‐LE 2G I3‐4010U 1000 W/FP 15 ZIWB3 MB - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 76
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual No. FRU FRU no. HDD, ST320LT012 6G 7mm 5.4K 320G 16200384 20 HDD, WD3200LPCX‐24C6HT0 6G 7mm 5.4K 320G 16200551 20 HDD, HTS545032A7E660 6G 7mm 5.4K 320G HDD 16200405 20 HDD, TSB MQ01ABF032 6G 7mm 5.4K 320G 16200434 20 HDD - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 77
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 LCD FRUs In Lenovo B50‐30/B50‐30 Touch/B50‐45/B50‐70, the type of LCD is 15.6‐inch high definition (HD). 1 2 3 4 6 5 2 7 73 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 78
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Table 6. Parts list-15.6‐in. HD TFT No. FRU 1 ZIWB3 LCD BezelW/CameraHole/Magnet/Mylar 1 ZIWB3 LCDBezelWO/CameraHole/Magnet/Mylar 1 ZIWB1 LCD Bezel W/Magnet TS 2 ZIWB1 LCD Module 3.8H - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 79
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Keyboard Table 7. Parts list-Keyboard Language Dafon English U.K. English Italian Nordic Belgian Iceland Slovenian Swiss International English Czechoslovakian Bulgarian India P/N 25214785 25214786 25214787 25214788 25214789 25214790 25214791 25214792 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 80
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Table 7. Parts list-Keyboard (continued) Language Sunrex English U.K. Belgian Iceland Slovenian Swiss International English Czechoslovakian Bulgarian India P/N 25214755 25214756 25214757 25214758 25214759 25214760 25214761 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 81
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Table 7. Parts list-Keyboard (continued) Language Chicony English U.K. English Italian Nordic Belgian Iceland Slovenian Swiss International English Czechoslovakian Bulgarian India P/N 25214725 25214726 25214727 25214728 25214729 25214730 25214731 25214732 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 82
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Miscellaneous parts Table 8. Parts list-Miscellaneous parts No. FRU (a) ZIWB2 ODD Bracket (b) ZIWB2 HDD Bracket (c) ZIWB2 FP Bracket (d) ZIWB3 TP Cable (e) ZIWB3 DC‐IN Cable UMA (e) ZIWB3 DC‐IN Cable DIS (f) ZIWB3 FP Board Cable - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 83
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 AC adapters Table 9. Parts list-3‐pin AC Screw Fan‐MB/FAN‐Lower ZIWB2 Screw HingeBRK‐LCD Cover ZIWB2 Screw HingeBRK‐LCD Bezel ZIWB2 Screw HDDBRK‐HDD ZIWB2 Screw IO Board‐Lower/MB‐Lower ZIWB2 Screw Hinge BRK‐LCD Cover P/N 36200602 36200606 36200610 36200249 - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 84
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 11. Parts list-3‐pin power cords Region Brazil • LINETEK LS15 H03VV‐F LP26A - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 85
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Region US • LINETEK LP‐30B + SPT‐2 + LS15 1m US • Longwell LP‐ VAC5S 1m China • lux 0036+RVV 300/300 0.75/3C+0002 1m India • LINETEK PE‐361+ H05VV‐F+ LS15 1m India • Longwell LP‐67+BIS+LS‐18 1m India • lux 0046+IS694 0.75/3C+0011 1m Japan • LINETEK LS15+VCTF - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 86
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Region Korea • LINETEK LS15+H05VV‐F+LP‐E04A 1m Korea • Longwell LP‐486+KTLH03VV‐F+LS‐5 1m Korea • VOLEX M2511+KETI IEC+VAC5S 1m Korea • lux 0033+ - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 87
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo - Lenovo B50-70 Laptop | Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch - Page 88
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have
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