Lenovo B50-30/B50-30 Touch/ B50-45/B50-70 Hardware Maintenance Manual
Note: 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 expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use, reproduction and disclosure.
Contents 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 .............................
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, guidelines, and safety information required for servicing computers. • The product‐specific section includes service, reference, and product‐specific parts information.
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 devices that are sensitive to electrostatic discharge” on page 6 • “Grounding requirements” on page 6 • “Safety notices: multilingual translations” on page 7 • “Laser compliance statement” on page 14 1
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual General safety Follow the following rules to ensure general safety: • Observe a good housekeeping in the area where the machines are put during and after the maintenance. • When lifting any heavy object: 1. Make sure that you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift it. 4.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges.
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 the reflective surface of a plastic dental mirror. The surface is conductive; such touching can cause personal injury and machine damage.
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 guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non‐Lenovo features or options not covered by this inspection guide.
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge. Notes: 1.
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, springs, and other small parts are in place and are not left loose inside the computer. Verify this by shaking the computer and listening for rattling sounds.
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 local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery.
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 appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery. La batterie contient du nickel.
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, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing.
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. Si le panneau d’affichage à cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide, rincez‐les abondamment pendant au moins quinze minutes.
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation. Aus Sicherheitsgründen die Kunststoffabdeckung, die den unteren Teil der Spannungswandlerplatine umgibt, nicht entfernen.
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 système hors tension, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie et déconnectez tous les cordons d’interface.
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 with an optical storage device such as a CD‐ROM drive or a DVD‐ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.S. to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products.
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 diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. Radiação por raio laser ao abrir.
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 a system board” on page 17 • “Important information about replacing RoHS compliant FRUs” on page 18 Important: BIOS and device driver fixes are customer‐installable.
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 processor board and a system board. If you are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall that board, and then replace the other one.
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 global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 General checkout This chapter presents the following information: • “What to do first” on page 20 • “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service the computer. • Before replacing any FRU, read the entire page on removing and replacing FRUs. • When you replace FRUs, use new nylon-coated screws.
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 the machine failed 4. Date of purchase 5. Procedure index and page number in which the failing FRU was detected 6. Failing FRU name and part number 7. Machine type, model number, and serial number 8.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Power system checkout To verify a symptom, follow the steps below: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect the AC adapter. 4. Make sure that power is supplied when you turn on the computer. 5. Turn off the computer. 6. Disconnect the AC adapter and install the charged battery pack. 7. Make sure that the battery pack supplies power when you turn on the computer.
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, replace the battery pack. If the charge indicator still does not light on, replace the system board. Then reinstall the battery pack. If it is still not charged, go to the next section.
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 Disc Set Restore of factory default This topic provides information about the recovery programs that are available for you to recover the computer settings.
Lenovo B50-30/B50-30 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 whenever the computer is turned on. The computer does not start until the password is entered.
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 “Turn off monitor” timer in the operating system expires, the LCD backlight turns off. You can also turn off the LCD backlight by pressing F9 . To end screen blank state and resume normal operation, press F9 .
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 Window 7 operating system: Click Start • For Window 8 operating system: – Open the charms bar, then select Settings – Select Power 26 Shut down. Shut down. .
Lenovo B50-30/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 notices” on page 31 • “Removing and replacing an FRU” on page 32 • “Locations” on page 65 • “Parts list” on page 68 Specifications The following table lists the specifications of the Lenovo B50‐30/B5
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Table 1. Specifications (continued) 28 Feature Description I/O ports • • • • Audio • Combo audio jack × 1 • Speaker × 2 • Built‐in microphone × 1 (on select models) Video CRT× 1, HDMI port × 1 WLAN • Intel 1x1 11ac + BT4.0 combo (on select models) • Intel 2x2 11ac + BT4.0 combo (on select models) • Non‐Intel 1x1 11bgn + BT4.0 combo • Non‐Intel 1x1 11ac + BT4.
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 Green battery status indicator Amber Blinking amber Off Meaning • The battery has a charge between 20% and 100% and the AC adapter is not connected to the computer. • The battery has a charge between 80% and 100% and the AC power adapter is connected to the computer.
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 3. Fn key combinations Key combination Fn + Home: Fn + End: Fn + PgUp: Fn + PgDn: Description Activate the pause function. Activate the break function. Enable/disable the scroll lock. Activate the insert function. Hotkeys The hotkeys are located in the function key row of the keyboard.
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 with special nylon‐coated screws that have the following characteristics: • They maintain tight connections. • They do not easily come loose, even with shock or vibration. • They are harder to tighten.
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 unless you have been trained and certified. An untrained person runs the risk of damaging parts. 2. Before replacing any FRU, review “FRU replacement notices” on page 31. 3.
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 latch in the unlocked position b , then remove the battery pack in the direction shown by arrow c . 1 1 2 3 2 When installing: Install the battery pack along the slide rails of the slot.
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 Screw (quantity) Color Torque a M2 x 6 mm, flat‐head, nylok‐coated (1) Black 1.5~2.0kgf.cm Unsnap to remove the optical drive bezel in the direction by arrow c .
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 . 5 2 4 Step Screw (quantity) Color Torque d M2 x 3 mm, flat‐head, nylok‐coated (2) Black 1.0~1.5kgf.
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 36 Step Screw (quantity) Color Torque a M2.5 x 5 mm, flat‐head, nylok‐coated (2) Black 2.0~2.5kgf.
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 it. The hard disk drive is sensitive to physical shock. Improper handling can cause damages and permanent loss of data. • Before removing the drive, suggest the customer to backup all the information on it if possible.
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Figure 4. Removal steps of hard disk drive (continued) Remove four screws e c and detach the hard disk drive from the metal frame in the direction shown by arrow e d. 4 3 3 3 3 Step Screw (quantity) Color Torque c e M3 x 3 mm, flat‐head, nylok‐coated (4) Silver 2.5~3.0kgf.cm When installing: Make sure that the HDD connector is attached firmly.
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 Bottom slot cover” on page 36 Figure 5. Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the direction shown by arrows a, and then unplug the DIMM in the direction shown by arrow b. 2 1 2 1 2 When installing: • Insert the notched end of the DIMM into the socket. Push the DIMM firmly, and pivot it until it snaps into the place.
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 pack” on page 33 • “1030 Bottom slot cover” on page 36 Figure 6. Removal steps of PCI Express Mini Card for wireless LAN/WAN Disconnect the two wireless LAN cables (black, white) a, and then remove the screws b.
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) Color Torque a M2 x 6 mm, flat‐head, nylok‐coated (3) Black 1.5~2.0kgf.cm Pull to unsnap the keyboard in the direction by arrows b c .
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 the connector. . 4 5 6 When installing: Make sure that the keyboard connector is attached firmly to the system board.
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 of keyboard bezel Remove nine screws a and three screws b . 1 2 2 2 1 1 1 1 1 1 1 1 Step Screw (quantity) Color Torque a b M2.5 x 5 mm, flat‐head, nylok‐coated (9) Black 2.0~2.5kgf.cm M2 x 2 mm, flat‐head, nylok‐coated (3) Black 1.0~1.5kgf.
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 installing: Make sure that all the connectors are attached firmly.
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” on page 43 Figure 9. Removal steps of finger print and power board Disconnect the finger print connect in the direction by arrow a b . Remove the screw c . Remove the finger print bracket in the direction by arrow d .
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 power board in the direction by arrow f . 5 6 Step Screw (quantity) Color Torque b M2 x 3 mm, flat‐head, nylok‐coated (1) Black 1.0~1.5kgf.cm When installing: Make sure that the finger print connector is attached firmly.
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” on page 43 Figure 10. Removal steps of USB board and ODD board Disconnect two connectors in the direction shown by arrow a. Remove the screws b. Then remove the USB board and ODD board in the direction shown by arrow c .
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” on page 43 Figure 11. Removal steps of led board Detach the adhesive of the led board by arrow a .Peel off the FPC of the led board by arrow b to remove it. 1 2 When installing: Make sure that the led connector is attached firmly.
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” on page 43 Figure 12. Removal steps of docking board Disconnect two connectors in the direction by arrow a b . Remove two screws c . Then remove the docking board in the direction by arrow d .
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 1130 System board Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough handling of any kind. • In the whole process, make sure not to drop or stack the system board.
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 . Then disconnect the EDP connector in the direction shown by arrow c . 3 2 Remove two screws d , screw e and two screws f . 6 5 4 4 Step Screw (quantity) Color Torque d 7 e d 7 f d 7 M2.5 x 4 mm, flat‐head, nylok‐coated (2) Black M2 x 5 mm, flat‐head, nylok‐coated (1) Silver 1.5~2.0kgf.
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/B50‐45/B50‐70: Pull the DC‐IN connector from its cavity in the direction by arrow 7 and remove the system board in the direction shown by arrow h .
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 DIMM” on page 39 • “1060 PCI Express Mini Card for wireless LAN/WAN” on page 40 • “1070 Keyboard” on page 41 • “1080 Keyboard bezel” on page 43 • “1110 Led board” on page 48 • “1130 System board” on page 50 Figure 14.
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 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 DIMM” on page 39 • “1060 PCI Express Mini Card for wireless LAN/WAN” on page 40 • “1070 Keyboard” on page 41 • “1080 Keyboard bezel” on page 43 • “1110 Led board” on page 48 • “1130 System board” on page 50 Figure 15.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 1160 LCD unit and base cover 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 DIMM” on page 39 • “1060 PCI Express Mini Card for wireless LAN/WAN” on page 40 • “1070 Keyboard” on page 41 • “1080 Keyboard bezel” on page 43 • “1100 USB board and ODD board” on page 47 • “1110 Led board” on page 48 • “1120 Docking board (on select models)” o
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 .
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 peeled off from the old base cover, and put on the new base cover.
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 following labels need to be peeled off from the old base cover, and put on the new base cover.
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 DIMM” on page 39 • “1060 PCI Express Mini Card for wireless LAN/WAN” on page 40 • “1070 Keyboard” on page 41 • “1080 Keyboard bezel” on page 43 • “1110 Led board” on page 48 • “1130 System board” on page 50 • “1160 LCD unit and base cover” on page 55 Figure 17.
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 DIMM” on page 39 • “1060 PCI Express Mini Card for wireless LAN/WAN” on page 40 • “1070 Keyboard” on page 41 • “1080 Keyboard bezel” on page 43 • “1110 Led board” on page 48 • “1130 System board” on page 50 • “1160 LCD unit and base cover
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 arrow c to remove the LCD panel in the direction by arrow d. 2 4 3 When installing: Make sure that the LCD panel connector is attached firmly.
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 DIMM” on page 39 • “1060 PCI Express Mini Card for wireless LAN/WAN” on page 40 • “1070 Keyboard” on page 41 • “1080 Keyboard bezel” on page 43 • “1110 Led board” on page 48 • “1130 System board” on page 50 • “1160 LCD unit and base cover” on pag
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 DIMM” on page 39 • “1060 PCI Express Mini Card for wireless LAN/WAN” on page 40 • “1070 Keyboard” on page 41 • “1080 Keyboard bezel” on page 43 • “1110 Led board” on page 48 • “1130 System board” on page 50 • “1160 LCD unit and base c
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 installing: • Route the antenna cables along the cable guides and secure the antenna boards with adhesive tapes. As you route the cables, make sure that they are not subjected to any tension.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Locations Front view a b c d e f Integrated camera Built‐in microphone Wireless antennas Computer display Speakers Power button 7 Finger print h Touchpad i Memory card slot j System status indicator 2 1 3 4 6 5 9 10 7 8 65
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Right-side view a Combo audio jack b c d e USB port Novo button Kingston lock slot Optical drive 4 5 3 2 1 66
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Bottom and left-side view a b c d e f AC power adapter jack Lenovo OneLink connector (on selected models) Louvers VGA port RJ‐45 port HDMI port 7 USB port 1 2 3 4 6 5 7 67
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” on page 79 • “Power cords” on page 80 Notes: Each FRU is available for all types or models, unless specific types or models are specified.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Overall 1 2 4 (d) 7 9 (e) 3 5 (c) 6 (f) 8 10 (a) 12 13 14 11 15 17 16 18 (g) (b) 19 21 20 (h) (i) 22 69
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Table 5. Parts list—Overall 70 No. FRU FRU no. CRU ID 1 2 3 3 3 3 3 3 4 5 5 6 7 8 9 9 9 9 9 9 10 11 12 12 12 12 13 14 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 15 LCD unit (see “LCD FRUs” on page 73) Keyboard (see “Keyboard” on page 75) Battery pack, 4cell, 14.4V 41Wh, SY L12S4E55 Battery pack, 4cell, 14.8V 41Wh, LG L12L4E55 Battery pack, 4cell, 14.88V 41Wh, SP/L L12M4E55 Battery pack, 4cell, 14.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 No. FRU FRU no.
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual No. FRU FRU no. 17 17 17 17 17 18 18 Memory, HMT41GS6AFR8A‐PB 8GB DDR3L 1600 Memory, M471B1G73DB0‐YK0 8GB DDR3L 1600 Memory, HMT41GS6BFR8A‐PB 8GB DDR3L 1600 Memory, RMT3160ME68FAF‐1600 8GB DDR3L 1600 Memory, MT16KTF1G64HZ‐1G6E1 8GB DDR3L 1600 WLAN, Intel 3160 1x1AC+BT PCIE NGFF WLAN WLAN, Cbt BCM43162 1x1AC+BT4.0 PCIE M.2 WLAN WLAN, Ltn NFA345 1x1AC+BT4.0 PCIE M.2 WLAN WLAN, Cbt BCM43142 1x1BN+BT4.0 PCIE M.
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).
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Table 6. Parts list—15.6‐in. HD TFT 74 No. FRU FRU no. 1 1 1 2 2 3 3 4 4 5 5 5 5 6 6 6 7 7 ZIWB3 LCD BezelW/CameraHole/Magnet/Mylar ZIWB3 LCDBezelWO/CameraHole/Magnet/Mylar ZIWB1 LCD Bezel W/Magnet TS ZIWB1 LCD Module 3.8H HD TS ZIWB1 LCD Module 3.2H FHD TS ZIWB3 Hinge L+R NT ZIWB1 Hinge L+R TS ZIWB1 Antenna Main+AUX TS ZIWB3 Antenna Main+AUX NT ZIWB2 Camera Board 1M W/Mylar TS ZIWB2 Camera Board 0.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Keyboard Table 7. Parts list—Keyboard Language Dafon English U.K.
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) Language Sunrex 76 English U.K.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Table 7. Parts list—Keyboard (continued) Language Chicony English U.K.
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Miscellaneous parts Table 8. Parts list—Miscellaneous parts 78 No. FRU FRU no.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 AC adapters Table 9. Parts list—3‐pin AC adapters FRU P/N CRU ID Delta ADLX45NDC3A 20V 2.25A adapter Lieton ADLX45NLC3A 20V 2.25A adapter Chicony ADLX45NCC3A 20V 2.25A Delta ADP‐65FD BB Lieton ADLX65NLC3A 20V 3.25A adapter Chicony ADLX65NCC3A 20V 3.25A adapter 36200602 36200606 36200610 36200249 36200607 36200611 * * * * * * Screws Table 10.
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 80 Region P/N Brazil • LINETEK LS15 H03VV‐F LP26A 1m Brazil • Longwell LP‐46+H03VV‐F+LS‐18 1m Brazil • VOLEX CH10S3+H03VV‐F+VAC5S 1m Brazil • lux 0034+H03VV‐F 0.
Lenovo B50-30/B50-30 Touch/B50-45/B50-70 Region P/N US • LINETEK LP‐30B + SPT‐2 + LS15 1m US • Longwell LP‐30B+SPT‐2 18AWG+LS‐18 1m US • Volex US15S3+SPT‐2 +VAC5S 1m US • lux 0014+SPT‐2 60 18/3C+0016 1m China • LINETEK PC323+RVV300/300+LS15 1m China • Longwell LSG‐31+RVV300/300+LS‐18 1m China • VOLEX GB10S3+RVV 300/500+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.
Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual 82 Region P/N 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+H03VV‐F 0.75/3C+0011 1m Italy • LINETEK LS15+H03VV‐F+PE‐336 1m Italy • Longwell LP‐22+H03VV‐F+LS‐18 1m Italy • VOLEX IT10S3+HO3VV‐F+VAC5S 1m Italy • lux 0029+H03VV‐F 0.
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 product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
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 been made on development‐level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary.
