Lenovo TB-8504X Hardware Maintenance Manual
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Lenovo TB-8504X Hardware Maintenance Manual

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Lenovo TAB4 8
Lenovo TB-8504F/Lenovo TB-8504X
Hardware
Maintenance
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Summary of Contents for Lenovo TB-8504X

  • Page 1 Lenovo TAB4 8 Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual...
  • Page 2 First Edition (May 2017) © Copyright Lenovo 2017. 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.

  • Page 3: Table Of Contents

    ............. 17 Important information about replacing RoHS compliant FRUs ..........18 General checkout ........19 What to do first ..........20 Lenovo TB-8504F/Lenovo TB-8504X ..21 FRU replacement notices........21 Screw notices..........21 Removing and replacing an FRU....23 1010 Card tray..........24 1020 Battery cover ........

  • 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”...

  • 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 computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 •...

  • Page 6: General Safety

    Lenovo TB-8504F/Lenovo TB-8504X 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.

  • 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. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges.
  • Page 8 Lenovo TB-8504F/Lenovo TB-8504X 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 TB-8504F/Lenovo TB-8504X 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.
  • Page 12 Lenovo TB-8504F/Lenovo TB-8504X 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 TB-8504F/Lenovo TB-8504X 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.
  • Page 16 Lenovo TB-8504F/Lenovo TB-8504X 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 TB-8504F/Lenovo TB-8504X 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://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.

  • Page 21: Important Notice For Replacing A System Board

    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

    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.

  • Page 23: General Checkout

    General checkout General checkout This chapter presents the following information: • “What to do first” on page 20 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 TB-8504F/Lenovo TB-8504X 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: Lenovo Tb-8504F/Lenovo Tb-8504X

    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 26 Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual • Logic card to plastic Turn an additional 180° after the screw head touches the surface of the logic card: more than 180° (Cross-section) • Torque driver If you have a torque screwdriver, refer to the “Torque” column for each step.

  • Page 27: Removing And Replacing An Fru

    Lenovo TB-8504F/Lenovo TB-8504X 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.

  • Page 28: 1010 Card Tray

    Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual 1010 Card tray Figure 1. Removal steps of card tray Pry up the card tray cover with your nail, and pull it gently. Pull out the card tray.

  • Page 29: 1020 Battery Cover

    Lenovo TB-8504F/Lenovo TB-8504X 1020 Battery cover For access, remove this FRU: • “1010 Card tray” on page 24 Figure 2. Removal steps of battery cover Insert a guitar pick and slide along to release the battery cover. Remove the battery cover.

  • Page 30: 1030 System Board Frame

    Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual 1030 System board frame For access, remove these FRUs in order: • “1010 Card tray” on page 24 • “1020 Battery cover” on page 25 Figure 3. Removal steps of system board frame Remove screws...

  • Page 31: 1040 Battery Pack And Main Frame

    Lenovo TB-8504F/Lenovo TB-8504X 1040 Battery pack and main frame DANGER Only use the battery specified in the parts list for your device. Any other battery could ignite or explode. For access, remove these FRUs in order: • “1010 Card tray” on page 24 •...
  • Page 32 Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual Figure 4. Removal steps of battery pack and main frame (continued) Remove the battery pack from its socket. Remove the screws of the main frame. Step Screw (quantity) Color Torque ≥1.5 kgf.cm M1.4 × 2.5 mm, Cross head, nylok-...
  • Page 33 Lenovo TB-8504F/Lenovo TB-8504X Figure 4. Removal steps of battery pack and main frame (continued) Remove the main frame.

  • Page 34: 1050 Camera, Motor And Rf Cable

    Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual 1050 Camera, motor and RF cable For access, remove these FRUs in order: • “1010 Card tray” on page 24 • “1020 Battery cover” on page 25 • “1030 System board frame” on page 26 •...
  • Page 35 Lenovo TB-8504F/Lenovo TB-8504X Figure 5. Removal steps of camera, motor and RF cable (continued) Pry up the motor. Detach the connectors of the RF cable. Then remove the RF cable.

  • Page 36: 1060 System Board, Speaker And Microphone

    Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual 1060 System board, speaker and microphone 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 37 Lenovo TB-8504F/Lenovo TB-8504X Figure 6. Removal steps of system board, speaker and microphone (continued) Detach the connector of the side-key FPC, and remove the side-key FPC. Insert a plastic tweezers to release the microphone from its cavity.
  • Page 38 Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual Figure 6. Removal steps of system board, speaker and microphone (continued) Remove the screws . Lift up and remove the system board, speaker and microphone. Step Screw (quantity) Color Torque ≥1.5 kgf.cm ST1.4 × 4.0 mm, Cross head (2) Black Detach the other connector of the FPC.

  • Page 39: Locations

    Lenovo TB-8504F/Lenovo TB-8504X Locations Lenovo TAB4 8 overview Model Version Lenovo TB-8504F WLAN Lenovo TB-8504X WLAN + LTE Front camera Speakers Micro USB connector Indicator Volume buttons Power button Touch screen Microphone Rear camera Headset jack Card tray...

  • Page 40: Parts List

    Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 36 • “Screws” on page 38 • “AC adapters” on page 38 • “Label” on page 38 Note: • Each FRU is available for all types or models, unless specific types or models are specified.
  • Page 41 Lenovo TB-8504F/Lenovo TB-8504X Table 1. Parts list—Overall FRU no. TB-8504F Batt cover_BL&*501110055 CS 5S58C08112 TB-8504F Batt cover_WH&*501110056 CS 5S58C08114 TB-8504X Batt cover_WH&*501110053 CS 5S58C08401 TB-8504X Batt cover_BL&*501110054 CS 5S58C08268 XWD-C L16D1P34 3.85V18.7Wh 1cell bty SB18C15125 TB-8504 BK metal&*50901039 CS 5M88C08123 TB-8504F Rear cover_WH&*50116405 CS...

  • Page 42: Screws

    Lenovo TB-8504F/Lenovo TB-8504X Hardware Maintenance Manual Screws Table 2. Parts list—Screw FRU no. TB-8504 Screw&*46106079 CS 5M88C08136 TB-8504 Screw_14_40&*46136116 CS 5M88C08133 AC adapters Table 3. Parts list— AC adapters FRU no. AC Adapter;C-P56;5V/1A;UL;black SA18C01242 AC Adapter;C-P57;5V/1A;EU;black SA18C01243 AC Adapter;C-P58;5V/1A;UK;black SA18C01244 AC Adapter;C-P45;5V/1A;BIS logo;IN;Black...

  • Page 43: 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 44: Trademarks

    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 ®...

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