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Lenovo V145 Hardware Maintenance Manual
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Lenovo V145 Hardware Maintenance Manual

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Lenovo V145
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  • Page 1 Lenovo V145 Hardware Maintenance Manual...
  • Page 2 • Before using this information and the product it supports, be sure to read the general information under “Notices” on page 70. • This manual applies to the following models: Lenovo V145-14AST / Lenovo V145-15AST. The illustrations used in this manual are for Lenovo V145-15AST unless otherwise stated.

  • Page 3: Table Of Contents

    Putting the computer to sleep or shutting it down ..........25 Putting your computer to sleep ......25 Shutting down the computer ......25 Lenovo V145 ..........26 Specifications ..........26 Status indicators ........... 28 Setting hotkey mode .........29 Fn key combinations/Hotkeys....... 29 FRU replacement notices ......

  • Page 4: About This Manual

    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” on page 16.

  • Page 5: Safety Information

    Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo V145-14AST / Lenovo V145-15AST computer: • “General safety” on page 2 • “Electrical safety” on page 3 •...

  • Page 6: General Safety

    Lenovo V145 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.

  • Page 7: Electrical Safety

    Safety information 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.
  • Page 8 Lenovo V145 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.

  • Page 9: Safety Inspection Guide

    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.

  • Page 10: Handling Devices That Are Sensitive To Electrostatic Discharge

    Lenovo V145 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.

  • Page 11: Safety Notices: Multilingual Translations

    Safety information 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.
  • Page 12 Lenovo V145 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.
  • Page 13 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.
  • Page 14 Lenovo V145 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.
  • Page 15 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. Si le panneau d’affichage à...
  • Page 16 Lenovo V145 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.
  • Page 17 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.

  • Page 18: Laser Compliance Statement

    Lenovo V145 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.
  • Page 19 Safety information 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.

  • Page 20: Important Service Information

    To download software fixes, drivers, and BIOS, follow the steps below: 1. Go to http://support.lenovo.com. 2. Enter the serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download.

  • Page 21: Strategy For Replacing A Hard Disk Drive

    Important service information 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. •...

  • Page 22: Important Information About Replacing Rohs Compliant Frus

    FRU part numbers. Lenovo plans to transit to RoHS compliance well before the implementation date and expects its suppliers to be ready to support Lenovo’s requirements and schedule in the EU. Products sold in 2005 and 2006 will contain some RoHS compliant FRUs.

  • Page 23: General Checkout

    General checkout 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.

  • Page 24: What To Do First

    Lenovo V145 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.

  • Page 25: Power System Checkout

    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 V145” on page 26. Note: Noise from the ac adapter does not always indicate a defect.

  • Page 26: Checking Operational Charging

    Lenovo V145 Hardware Maintenance Manual Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer.

  • Page 27: Related Service Information

    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 the recovery system.

  • Page 28: Passwords

    Lenovo V145 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 administrator password. If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on.

  • Page 29: Power Management

    Related service information Power management Note: Power management modes are not supported for APM operating system. Putting the computer to sleep or shutting it down When you have finished working with your computer, you can put it to sleep or shut it down.

  • Page 30: Lenovo V145

    Lenovo V145 Hardware Maintenance Manual Lenovo V145 This chapter presents the following product-specific service references and product-specific parts information: • “Specifications” on page 26 • “Status indicators” on page 28 • “Fn key combinations/Hotkeys” on page 29 • “FRU replacement notices” on page 30 •...
  • Page 31 • 6 rows Lenovo Keyboard Integrated • HD / 0.3 M camera Battery • Polymer battery pack 2 cells, 30 Wh (Lenovo V145-14AST / Lenovo V145-15AST) ac adapter • 20 V dc, UMA 45 W, DIS 65 W Pre-installed • Win 10 64bits operating •...

  • Page 32: Status Indicators

    Lenovo V145 Hardware Maintenance Manual Status indicators The system status indicators below show the computer status: Table 2. Status indicators Indicator Charge Symbol Indicator Meaning status status (solid The computer is powered on. white) Power Blinking The computer is in sleep mode.

  • Page 33: Setting Hotkey Mode

    Lenovo V145 Fn key combinations/Hotkeys You can access certain system settings quickly by pressing the appropriate hotkeys. Table 3. Hotkeys Enables/disables Airplane Mutes/unmutes the sound. mode. Enables/disables the Decreases the volume level. integrated camera. Increases the volume level. Locks the screen.

  • Page 34: 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: •...

  • Page 35: Removing And Replacing An Fru

    (ESD) strap (P/N 6405959) to remove potential shock reasons. Notes: • This manual applies to the following models: Lenovo V145-14AST / Lenovo V145-15AST. • The illustrations used in this manual are for Lenovo V145-15AST unless otherwise stated.

  • Page 36: 1010 Optical Drive

    Lenovo V145 Hardware Maintenance Manual 1010 Optical drive Figure 1. Removal steps of optical drive Remove the screw , then gently pull the optical drive out in the direction shown by arrow Step Screw (quantity) Color Torque M2.5 × 7 mm, Phillips head, nylok-coated (1) Black 1.85±0.15 kgf*cm...

  • Page 37: 1020 Base Cover

    Lenovo V145 1020 Base cover For access, remove these FRUs in order: • “1010 Optical drive” on page 32 Figure 2. Removal steps of base cover Remove the screws from the bottom. Step Screw (quantity) Color Torque M2.5 × 7 mm, Phillips head, nylok-coated (12) Black 1.85±0.15 kgf*cm...
  • Page 38 Lenovo V145 Hardware Maintenance Manual Note: Applying labels to the base cover If you see the following labels on base cover, it needs to be peeled off from the old base cover, and put on the new base cover. Rating label...

  • Page 39: 1030 Battery Pack

    Lenovo V145 1030 Battery pack For access, remove this FRU: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode.

  • Page 40: 1040 Hard Disk Drive

    Lenovo V145 Hardware Maintenance Manual 1040 Hard disk drive For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physical shock.
  • Page 41 Lenovo V145 Figure 4. Removal steps of hard disk drive (continued) Remove the hard disk drive in the direction shown by arrow Remove the hard disk drive board in the direction shown by arrow . Remove the screws , and then take out the metal frame.

  • Page 42: 1050 Dimm

    Lenovo V145 Hardware Maintenance Manual 1050 DIMM For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 Figure 5. Removal steps of DIMM...

  • Page 43: 1060 Pci Express Mini Card For Wireless Lan

    Important: The preinstalled WLAN module may only be replaced with a Lenovo approved module in order to comply with FCC and IC regulations. Refer to “Table 4. Parts list-Overall (Lenovo V145-14AST)” on page 59 or “Table 9. Parts list-Overall (Lenovo V145-15AST)” on page 65 for Lenovo part numbers for the approved modules.
  • Page 44 Lenovo V145 Hardware Maintenance Manual Figure 6. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow When installing: • In models with a wireless LAN card that has two antenna connectors, plug the black cable (1st) (MAIN) into the connector labeled MAIN, and the grey cable (2nd) (AUX) into the connector labeled AUX on the card.

  • Page 45: 1070 Odd Board

    Lenovo V145 1070 ODD board For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 Figure 7. Removal steps of ODD board...

  • Page 46: 1080 Fan And Heat Sink Assembly

    Lenovo V145 Hardware Maintenance Manual 1080 Fan and heat sink assembly For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 Figure 8. Removal steps of fan and heat sink assembly Unplug the fan connector in the direction shown by arrow .
  • Page 47 Lenovo V145 Figure 8. Removal steps of fan and heat sink assembly (continued) Remove the screws Lenovo V145-15AST Lenovo V145-14AST Step Screw (quantity) Color Torque M2 × 3.5 mm, Phillips head, nylok-coated (5) Silver 1.85±0.15 kgf*cm (Lenovo V145-15AST) THERMAL MODULE TO CPU & THERMAL MODULE TO GPU (DIS) M2 ×...
  • Page 48 Lenovo V145 Hardware Maintenance Manual Figure 8. Removal steps of fan and heat sink assembly (continued) Lift the fan in the direction shown by arrow Attention: Do not handle the heat sink assembly roughly. Improper handling can cause distortion or deformation and imperfect contact with components.

  • Page 49: 1090 Speaker

    Lenovo V145 1090 Speaker For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 Figure 9. Removal step of speaker Unplug the speaker connector in the direction shown by arrow .

  • Page 50: 1100 Rtc Battery

    Lenovo V145 Hardware Maintenance Manual 1100 RTC battery For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 Figure 10. Removal steps of RTC battery Unplug the RTC battery connector in the direction shown by arrow .

  • Page 51: 1110 System Board

    Lenovo V145 1110 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.
  • Page 52 Lenovo V145 Hardware Maintenance Manual Figure 11. Removal steps of system board (continued) Remove the system board in the direction shown by arrow When installing: Make sure that the connectors are attached firmly.

  • Page 53: 1120 Upper Case

    Lenovo V145 1120 Upper case For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 • “1040 Hard disk drive” on page 36 •...

  • Page 54: 1130 Lcd Unit

    Lenovo V145 Hardware Maintenance Manual 1130 LCD unit For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 • “1040 Hard disk drive” on page 36 •...
  • Page 55 Lenovo V145 Figure 13. Removal steps of LCD unit (continued) Remove the screws Step Screw (quantity) Color Torque M2 x 2.5 mm, Phillips head, nylok-coated (4) Black 1.85±0.15 kgf*cm LCD PANEL TO LCD COVER Lift the LCD panel slightly . Unplug the EDP connector .

  • Page 56: 1140 Edp Cable And Integrated Camera

    Lenovo V145 Hardware Maintenance Manual 1140 EDP cable and integrated camera For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 • “1040 Hard disk drive” on page 36 •...
  • Page 57 Lenovo V145 Figure 14. Removal steps of EDP cable and integrated camera (continued) Remove the camera board in the direction shown by arrow When installing: Stick the integrated camera to the top center of the LCD cover and adjust the placement of it to make sure the connector is attached...

  • Page 58: 1150 Lcd Hinges

    Lenovo V145 Hardware Maintenance Manual 1150 LCD hinges For access, remove these FRUs in order: • “1010 Optical drive” on page 32 • “1020 Base cover” on page 33 • “1030 Battery pack” on page 35 • “1040 Hard disk drive” on page 36 •...

  • Page 59: Locations

    Lenovo V145 Locations Front and right-side view Integrated camera Note:The position of the camera indicator on select models may vary slightly. Please refer to the actual product. Built-in microphone Wireless LAN antennas Computer display Ventilation slots Touchpad Optical drive (on select models)

  • Page 60: Bottom And Left-Side View

    Lenovo V145 Hardware Maintenance Manual Bottom and left-side view Speakers Louvers Power status indicator Note: For the description of each indicator, see “Status indicators” on page 28. Memory card slot Novo button Combo audio connector USB connectors HDMI connector RJ-45 connector Battery status indicator Note: For the description of each indicator, see “Status indicators”...

  • Page 61: Parts List

    Lenovo V145 Parts list In Lenovo V145-14AST, this section presents the following service parts: • "Overall" on page 58 • "LCD FRUs" on page 61 • "Miscellaneous parts" on page 62 • "ac adapters" on page 62 • "Screws" on page 63 In Lenovo V145-15AST, this section presents the following service parts: •...

  • Page 62: Lenovo V145-14Ast

    Lenovo V145 Hardware Maintenance Manual Overall Lenovo V145-14AST...
  • Page 63 Lenovo V145 Table 4. Parts list—Overall (Lenovo V145-14AST) FRU no. a-d See "Miscellaneous parts" on page 62. LCD unit (see "LCD FRUs" on page 61.) Upper Case ASM C 81MJ US 5CB0T24772 Upper Case ASM C 81MS ARA 5CB0T25421 Upper Case ASM C 81MS BEL...
  • Page 64 Lenovo V145 Hardware Maintenance Manual Table 4. Parts list—Overall (Lenovo V145-14AST) (continued) FRU no. CMOS BATTERY C 81H7 5B10R34404 Heatsink C 81H5 DIS AMD 5H40R34399 Heatsink C 81H5 UMA AMD 5H40R34396 FAN C 81H7 5F10R34470 4GB DDR4 2666 SoDIMM,Micron 01AG831...

  • Page 65: Lcd Frus

    Lenovo V145 LCD FRUs In Lenovo V145-14AST, there are following types of LCDs. • “14.0-in. HD/FHD LED”...

  • Page 66: Miscellaneous Parts

    Lenovo V145 Hardware Maintenance Manual Table 5. Parts list—LCD FRUs (Lenovo V145-14AST) FRU no. LCD Bezel C 81MJ 5B30T24766 Hinge C 81H6 L+R 5H50R34870 Hinge Cover C 81MJ 5CB0T24761 AU B140HTN01.E 2A FHDT AG S NB 5D10L08701 AU B140XTN02.E HWCA HDT AG S NB 5D10P54235 BO NT140FHM-N41V8.0 FHDT AG S NB...

  • Page 67: Screws

    Lenovo V145 Table 7. Parts list—ac adapters (Lenovo V145-14AST) (continued) ADLX65CCGE2A 20V3.25A COO 01FR159 ADLX65CCGG2A 20V3.25A COO 01FR153 ADLX65CCGI2A 20V3.25A COO 01FR156 ADLX65CCGK2A 20V3.25A COO 01FR155 ADLX65CCGR2A 20V3.25A COO 01FR157 ADLX65CCGU2A 20V3.25A COO 01FR154 ADLX65CDGA2A 20V3.25A COO 01FR141 ADLX65CDGB2A 20V3.25A COO 01FR143 ADLX65CDGE2A 20V3.25A COO...

  • Page 68: Lenovo V145-15Ast

    Lenovo V145 Hardware Maintenance Manual Overall Lenovo V145-15AST...
  • Page 69 Lenovo V145 Table 9. Parts list—Overall (Lenovo V145-15AST) FRU no. a-d See "Miscellaneous parts" on page 68. LCD unit (see "LCD FRUs" on page 67.) Upper Case ASM C 81MK US 5CB0T24804 Upper Case ASM C 81MT ARA 5CB0T25496 Upper Case ASM C 81MT BEL...
  • Page 70 Lenovo V145 Hardware Maintenance Manual Table 9. Parts list—Overall (Lenovo V145-15AST) (continued) FRU no. ODD Switch Board C 81H7 W/FFC 5C50R34463 CMOS BATTERY C 81H7 5B10R34404 Heatsink C 81H5 DIS AMD 5H40R34399 Heatsink C 81H5 UMA AMD 5H40R34396 FAN C 81H7...

  • Page 71: Lcd Frus

    Lenovo V145 LCD FRUs In Lenovo V145-15AST, there are following types of LCDs. • “15.6-in. HD/FHD LED”...

  • Page 72: Miscellaneous Parts

    Lenovo V145 Hardware Maintenance Manual Table 10. Parts list—LCD FRUs (Lenovo V145-15AST) FRU no. LCD Bezel C 81MK 5B30T24815 Hinge Cover C 81MK 5CB0T24798 AU B156HTN03.8 0C FHDT AG S NB 5D10L08702 AU B156XTN07.1 3A HDT AG S NB 5D10H52713...

  • Page 73: Screws

    Lenovo V145 Table 12. Parts list—ac adapters (Lenovo V145-15AST) (continued) ADLX65CCGR2A 20V3.25A COO 01FR157 ADLX65CCGU2A 20V3.25A COO 01FR154 ADLX65CDGA2A 20V3.25A COO 01FR141 ADLX65CDGB2A 20V3.25A COO 01FR143 ADLX65CDGE2A 20V3.25A COO 01FR142 ADLX65CDGG2A 20V3.25A COO 01FR136 ADLX65CDGI2A 20V3.25A COO 01FR139 ADLX65CDGK2A 20V3.25A COO 01FR138 ADLX65CDGR2A 20V3.25A COO...

  • Page 74: Notices

    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.

  • Page 75: Trademarks

    Notices Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. • Lenovo Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. Thunderbolt is a trademark of Intel Corporation or its subsidiaries in the U. S.

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