This manual is intended only for trained servicers who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively. Before servicing a Lenovo product, make sure to read all the information under “Safety information” on page 1 and “Important service information”...
Safety information 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 •...
Lenovo V470/B470 Hardware Maintenance Manual General safety Follow these rules below 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.
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.
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Lenovo V470/B470 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.
4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
Lenovo V470/B470 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.
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.
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Lenovo V470/B470 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.
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Safety information 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.
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Lenovo V470/B470 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.
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Safety information 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.
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Lenovo V470/B470 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.
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Safety information 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 V470/B470 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.
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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.
To download software fixes, drivers, and BIOS, follow the steps below: 1. Go to http://consumersupport.lenovo.com/. 2. Enter a serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download. 4. Follow the directions on the screen and install the necessary software.
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.
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.
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. •...
Lenovo V470/B470 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.
4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem continues, go to “Lenovo V470/B470” on page 27. Note: Noise from the AC adapter does not always indicate a defect. Checking operational charging...
Lenovo V470/B470 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.
System. In order to save application files and the initial backed up files of the system, the hard disk in a Lenovo computer includes a hidden partition when it is shipped. If you need to restore the system to the point of your first boot up, just enter Lenovo OneKey Rescue System and run Restore to factory default.
Note: The recovery process might take up to 2 hours. Passwords As many as two passwords may be needed for any Lenovo computer: the power- on password (POP) 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.
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 mode If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.
Lenovo V470/B470 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the hard disk. • The system is powered off. To cause the computer to enter hibernation mode, follow the steps below: •...
• “FRU replacement notices” on page 32 • “Removing and replacing an FRU” on page 33 • “Locations” on page 68 • “Parts list” on page 71 Specifications The following table lists the specifications of the Lenovo V470/B470: Table 1. Specifications Feature Processor Core Chipset...
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Lenovo V470/B470 Hardware Maintenance Manual Table 1. Specifications (continued) Feature I/O port MODEM slot Audio Video Ethernet (on the system board) PCI Express Mini Card slot WLAN WWAN Bluetooth wireless Keyboard Touch pad Fingerprint reader Integrated camera Battery AC adapter...
Status indicators The system status indicators below show the computer status: V470: B470: Lenovo V470/B470...
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Lenovo V470/B470 Hardware Maintenance Manual Table 2. Status indicators Indicator Caps lock Num lock Drive in use White: Data is being read from or written to the hard disk APS status Power on Battery status Wireless status Meaning White: Caps Lock mode is enabled. You can enter all alphabetic characters (A-Z) in uppercase without pressing the Shift key.
Fn + Home: Fn + End: Fn + PgDn: Fn + Fn + Lenovo V470/B470 Description Turn on/off the integrated camera. Enter sleep mode. Turn on/off the backlight of the LCD screen. Open the interface for the display device switch to select this notebook or an external display.
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: •...
Before touching it, establish personal grounding by touching a ground point with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to remove potential shock reasons. Note: The illustrations used in this section are of the Lenovo V470, unless otherwise stated. Lenovo V470/B470...
Lenovo V470/B470 Hardware Maintenance Manual 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 battery release lever unlocked position When installing: Install the battery pack along the slide rails of the slot.
Lenovo V470/B470 1020 Dummy card For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 2. Removal steps of dummy cards Remove the dummy card in the direction shown by arrows...
Step Screw (quantity) M2 × 5 mm, flat-head, nylok-coated (1) Black When installing: Make sure that the HDD connector is attached firmly. and pull the tab up in the direction shown by arrow Color Lenovo V470/B470 Torque 1.6 kgfcm...
Lenovo V470/B470 Hardware Maintenance Manual 1050 Optical drive For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 4. Removal steps of optical drive Remove the screw optical drive in the direction shown by arrow direction shown by arrow...
Lenovo V470/B470 1060 DIMM For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 Figure 6. Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the...
Lenovo V470/B470 Hardware Maintenance Manual 1070 PCI Express Mini Card for wireless LAN/WAN For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 Figure 7.
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• In models with a wireless LAN card that has three antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) into jack labeled 3, and the white cable (2nd) (AUX) into jack labeled 2 on the card. Lenovo V470/B470...
Lenovo V470/B470 Hardware Maintenance Manual 1080 Keyboard For access, remove this FRU: • “1010 Battery pack” on page 34 Figure 8. Removal steps of keyboard Remove three screws Step Screw (quantity) M2.5 × 7 mm, flat-head, nylok-coated (3) Black Color Torque 3.0 kgfcm...
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Lenovo V470/B470 Figure 8. Removal steps of keyboard (continued) Loosen the keyboard with fingers in the direction shown by arrows...
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Lenovo V470/B470 Hardware Maintenance Manual Figure 8. Removal steps of keyboard (continued) Lift the keyboard a little shown by arrows When installing: Make sure that the FPC connector is attached firmly. , and then detach the connector in the direction...
Figure 9. Removal steps of keyboard bezel Remove ten screws Step Screw (quantity) M2.5 × 7 mm, flat-head, nylok-coated (10) M2 × 3 mm, flat-head, nylok-coated (3) , three screws on the bottom. Lenovo V470/B470 Color Torque Black 3.0 kgfcm Black 1.6 kgfcm...
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Lenovo V470/B470 Hardware Maintenance Manual Figure 9. Removal steps of keyboard bezel (continued) Remove the screw Step Screw (quantity) M2 × 5 mm, flat-head, nylok-coated (1) Color Torque Black 1.6 kgfcm...
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When installing: Make sure that all the FPC connectors, microphone connectors and LCD connector are attached firmly. Lenovo V470/B470 . Unplug , and the LCD . Unplug...
Lenovo V470/B470 Hardware Maintenance Manual Figure 9. Removal steps of keyboard bezel (continued) Remove the keyboard bezel in the direction shown by arrow Remove the screw Step , and then remove the power board Screw (quantity) M2 × 3 mm, flat-head, nylok-coated (1)
Lenovo V470/B470 Hardware Maintenance Manual Figure 10. Removal steps of system board Remove two screws shown by arrows When installing: Make sure that all the connectors are attached firmly. Step Screw (quantity) M2.5 × 7 mm, flat-head, nylok-coated (2) . Unplug three microphone connectors in the direction...
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Lenovo V470/B470 Figure 10. Removal steps of system board (continued) Remove the system board in the direction shown by arrow When installing: When attaching the system board to the base cover, adjust the placement of the wireless radio switch as shown in...
Lenovo V470/B470 Hardware Maintenance Manual 1110 LCD unit For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 •...
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Lenovo V470/B470 Figure 11. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrows...
Lenovo V470/B470 Hardware Maintenance Manual 1120 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover”...
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Lenovo V470/B470 Figure 12. Removal steps of fan assembly and heat sink assembly (continued) Loosen three screws...
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Lenovo V470/B470 Hardware Maintenance Manual Figure 12. Removal steps of fan assembly and heat sink assembly (continued) Lift the fan assembly and heat sink assembly in the direction shown by arrow . Be careful not to damage the connector.
Lenovo V470/B470 1130 CPU For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 • “1040 Hard disk drive” on page 37 •...
Lenovo V470/B470 Hardware Maintenance Manual 1140 Base cover, speakers and bluetooth card For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover”...
Remove three screws , and then remove the speakers in the direction shown by arrows Step Screw (quantity) M2 × 5 mm, flat-head, nylok-coated (3) Remove the bluetooth card in the direction shown by arrow Lenovo V470/B470 Color Torque Black 1.6 kgfcm...
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Lenovo V470/B470 Hardware Maintenance Manual 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 label: The following labels need to be peeled off from the old base cover, and need to be put on the new base cover.
• “1110 LCD unit” on page 52 Figure 15. Removal steps of LCD front bezel Remove two screws Step Screw (quantity) M2.5 × 4 mm, flat-head, nylok-coated (2) Black Remove the LCD front bezel in the direction shown by arrows Lenovo V470/B470 Color Torque 3.0 kgfcm...
Lenovo V470/B470 Hardware Maintenance Manual 1160 LCD panel, LCD cable and hinges For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover”...
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. Lift the LCD panel with the hinges in the direction shown by arrows When installing: Make sure that the connector is attached firmly. Step Screw (quantity) V470: M2 × 3 mm, flat-head, nylokcoated B470: M2 × 3 mm, flat-head, nylokcoated Lenovo V470/B470 Color Torque Black 1.6 kgfcm...
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Lenovo V470/B470 Hardware Maintenance Manual Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued) V470: Remove four screws by arrow B470: Remove six screws arrows Step , then remove the hinges in the direction shown and remove the hinges in the direction shown by Screw (quantity) V470: M2 ×...
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Lenovo V470/B470 Figure 16. Removal steps of LCD panel, LCD cable and hinges (continued) Note: The LCD cables are attached to the LCD panel by a metal connector. Peel off the adhesive tape and detach the connector in the direction shown by arrow When installing: Make sure that the metal connector is attached firmly.
Lenovo V470/B470 Hardware Maintenance Manual 1170 Integrated camera For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 •...
Lenovo V470/B470 1180 Antenna assembly and LCD cover For access, remove these FRUs in order: • “1010 Battery pack” on page 34 • “1020 Dummy card” on page 35 • “1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover” on page 36 •...
Lenovo V470/B470 Hardware Maintenance Manual Locations Front view Integrated camera (Select models only) Wireless module antennas (Select models only) Speaker Power button OneKey Rescue System button Built-in microphone GPU (Graphics Processing Unit) switch (Select models only) System status indicators Note: For the description of each indicator, see “Status indicators” on page 29.
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Right-side view Headphone jack Microphone jack USB port Optical drive Lenovo V470/B470...
Lenovo V470/B470 Hardware Maintenance Manual Bottom and Left-side view Kensington slot AC power adapter jack Fan louvers VGA port RJ-45 port HDMI port (Select models only) eSATA/USB combo port (Select models only) USB port Battery latch - spring loaded Battery pack...
• “Keyboard” on page 79 • “Miscellaneous parts” on page 81 • “AC adapters” on page 82 • “Power cords” on page 83 Notes: • Each FRU is available for all types or models, unless specific types or models are specified. Lenovo V470/B470...
Keyboard Table 7. Parts list—Keyboard Language Dafon V470/B470 Chicony Lenovo V470/B470 English U.K. English Italian Spanish Turkish Thai Portuguese Latin Canadian English&French Korean Traditional Chinese Russian French German Arabic Brazilian Japanese Dutch Greek Hebrew Hungarian Four Nordic countries Belgian Icelandic...
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Lenovo V470/B470 Hardware Maintenance Manual Table 7. Parts list—Keyboard (continued) Language V470/B470 (continued V470/B470 Sunrex Arabic Brazilian Japanese Dutch Greek Hebrew Hungarian Chicony Four Nordic countries (continued) Belgian Icelandic Slovenian Swiss International English Czechoslovakian Bulgarian English U.K. English Italian Spanish...
Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 10. Parts list—3-pin power cords Region • SSD YD-118-1+IEC53RVV+SSD-3-2B-1 1m • LINETEK PC323+RVV300/300+LS15 1m Argentina • LINETEK LS15+H03VV-F+LP39 1m Danmark •...
Lenovo V470/B470 Hardware Maintenance Manual Table 10. Parts list—3-pin power cords (continued) Region Brazil • Longwell LP-46+H03VV-F+LS-18 1m Israel • Longwell LP-41+H03VV-F+LS-18 1m • Longwell LP-30B+SPT-2 18AWG+LS-18 1m • Longwell LP-61L+H03VV-F+LS-18 1m Indian • Longwell LP-67+BIS+LS-18 1m Italy • Longwell LP-22+H03VV-F+LS-18 1m Korea •...
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Table 10. Parts list—3-pin power cords (continued) Region Korea • Volex LP-486+KTLH03VV-F+LS-5 1m Australia • Volex LP-23A+LFC-3R+LS-18 1m Taiwan • Volex LP-71+VCTF+LS-33 1m Japan • Volex LP-54+VCTF+LS-18 1m • Volex LP-34A+H03VV-F+LS-18 1m Lenovo V470/B470 145000533 145000532 145000531 145000530 145000525...
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The result obtained in other operating environments may vary. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
Actual results may vary. Users of this document should verify the applicable data for their specific environment. Trademarks The following terms are either registered trademarks or trademarks of Lenovo in the United States and/or other countries: ® Lenovo Lenovo logo ®...