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Lenovo ideapad FLEX 4 Hardware Maintenance
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Lenovo ideapad FLEX 4 Hardware Maintenance

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ideapad FLEX 4
ideapad FLEX 4-1470 | ideapad FLEX 4-1435
ideapad FLEX 4-1480 | ideapad FLEX 4-1570
ideapad FLEX 4-1580
Hardware
Maintenance
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Summary of Contents for Lenovo ideapad FLEX 4

  • Page 1 FLEX 4 ideapad FLEX 4-1470 | ideapad FLEX 4-1435 ideapad FLEX 4-1480 | ideapad FLEX 4-1570 ideapad FLEX 4-1580 Hardware Maintenance Manual...
  • Page 2 Note: • Before using this information and the product it supports, be sure to read the general information under “Notices” on page 78. First Edition (April 2016) © Copyright Lenovo 2016. All rights reserved. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925. © 2016 Lenovo...

  • Page 3: Table Of Contents

    Hard-disk password ..........24 Administrator password ........24 Power management ........25 Screen blank state ..........25 Putting the computer to sleep or shutting it down ..............25 Putting your computer to sleep ......25 Shutting down the computer ......26 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 ..... 27 Specifications ..........27 Status indicators ........... 29 Hotkeys............30 FRU replacement notices ......31 Screw notices ..........31 Removing and replacing an FRU ....

  • Page 4: About This Manual

    • The product-specific section includes service, reference, and product-specific parts information. Important: 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 ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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...

  • Page 6: General Safety

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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. 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.

  • Page 7: Electrical Safety

    About this manual 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 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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. • Do not service the following parts with the power on when they are removed from their normal operating places in a machine: – Power supply units – Pumps – Blowers and fans...

  • Page 9: Safety Inspection Guide

    The power cord should be the type specified in the parts list. c. Insulation must not be frayed or worn. 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. 8. Check for worn, frayed, or pinched cables.

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

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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. Use product-specific ESD procedures when they exceed the requirements noted here.

  • Page 11: Safety Notices: Multilingual Translations

    About this manual 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 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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.
  • Page 13 About this manual 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 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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.
  • Page 15 About this manual 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 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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 About this manual 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

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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...
  • Page 19 About this manual 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. Não olhe fixo no feixe de luz, não olhe diretamente por meio de instrumentos óticos e evite exposição direta com o feixe de luz.

  • Page 20: Important Service Information

    Strategy for replacing FRUs Before replacing parts: Make sure that all software fixes, drivers, and BIOS downloads are installed before replacing any FRUs listed in this manual. After a system board is replaced, ensure that the latest BIOS is loaded to the system board before completing the service action. 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. 4. Follow the directions on the screen and install the necessary software.

  • 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. • 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. • If an adapter or a device consists of more than one FRU, any of the FRUs may be the cause of the error. Before replacing the adapter or device, remove the FRUs one by one to see if the symptoms change. Replace only the FRU that changed the symptoms. Attention: The setup configuration on the computer you are servicing may have been customized. Running Automatic Configuration may alter the settings. Note the current configuration settings (using the View Configuration option); then, when service has been completed, verify that those settings remain in effect.

  • 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 • “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. • Carefully remove screws for reuse when replacing FRUs. • Be extremely careful during such write operations as copying, saving, or formatting. Drives in the computer that you are servicing sequence might have been altered.

  • Page 24: What To Do First

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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. Customer’s name and address Note for warranty: During the warranty period, the customer may be...

  • Page 25: Power System Checkout

    • If the computer does not charge during operation, go to “Checking operational charging”. To check the AC adapter, follow the steps below: 1. Unplug the AC adapter cable from the computer. 2. Measure the output voltage at the plug of the AC adapter cable. See the following figure: Voltage (V DC) Note: Output voltage for the AC adapter pin No. 2 may differ from the one you are servicing. 3. If the voltage is not correct, replace the AC adapter. 4. If the voltage is acceptable, do the following: • Replace the system board. • If the problem persists, go to “Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580” on page 27. Note: Noise from the AC adapter does not always indicate a defect. 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 26: Checking The Battery Pack

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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. Checking the battery pack Battery charging does not start until the Power Meter shows that less than 95% of the total power remains; under this condition the battery pack can charge to 100% of its capacity. This protects the battery pack from being overcharged or from having a shortened life. To check your battery, move your cursor to the Power Meter icon in the icon ® tray of the Windows taskbar and wait for a moment (but do not click it), and the percentage of battery power remaining is displayed. To get detailed information about the battery, double-click the Power Meter icon.

  • Page 27: Related Service Information

    System and run System Recovery. For details of OneKey Recovery System, see the User Guide for Lenovo OneKey Recovery system . Note: This will delete all the new data on the system partition (C drive), which is not recoverable. Make sure to back up your critical data before you perform this action.

  • Page 28: Passwords

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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. The computer does not start until the...

  • Page 29: Power Management

    Related service information 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 To end screen blank state and resume normal operation, press any key on the keyboard 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: Shutting Down The Computer

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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 the computer, do one of the following: • Open the start menu, and then select Power → Shut down. • Press and hold or right-click the Start button in the lower-left corner and select Shut down or sign out → Shut down.

  • Page 31: Lenovo Ideapad Flex 4-1470/Ideapad Flex 4-1435/Ideapad Flex 4-1480/Ideapad Flex 4-1570/Ideapad Flex 4-1580

    • “Status indicators” on page 29 • “Hotkeys” on page 30 • “FRU replacement notices” on page 31 • “Removing and replacing an FRU” on page 32 • “Locations” on page 62 • “Parts list” on page 64 Specifications The following table lists the specifications of the Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ ideapad FLEX 4-1580: Table 1. Specifications ideapad FLEX 4-1470/ ideapad FLEX 4-1570/ ideapad FLEX 4-1435/ ideapad FLEX 4-1580...

  • Page 32: Specifications

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Table 1. Specifications (continued) I/O Ports USB 2.0 × 1, USB 3.0 × 2 Audio Combo audio jack × 1 Video/Audio HDMI port × 1 Ethernet RJ-45 × 1 (1000 Mbps) Card reader Memory card slot (SD/SDHC/SDXC/MMC) Battery pack Type Li-ion battery pack Cells/Capacity 2 cells/3 cells, 35 Wh/52.5 Wh Note: T he capacity given here is the typical or average capacity as measured in a specific test environment. Capacities measured in other environments may differ but are no lower than the rated capacity (see product label).

  • Page 33: Status Indicators

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Status indicators The system status indicators below show the computer status: Table 2. Status indicators Battery/Charging status indicator AC power Indicator status Meaning adapter status The computer is in sleep mode or turned off; The battery has more than 20% charge. Disconnected Solid amber The battery has between 5% and 20% charge. Fast blinking amber The battery has between 1% and 5% charge. Slow blinking amber The battery is being charged. When battery charge reaches 20%, the blinking color changes to white.

  • Page 34: Hotkeys

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual 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. camera. Locks/unlocks the currently Increases the volume level. active window. Toggles the display Enables/disables the between the computer and microphone. an external device. Refreshes the desktop or the Decreases the display currently active window. brightness. Enables/disables the Increases the display touchpad.

  • Page 35: Fru Replacement Notices

    FLEX 4-1570/ideapad FLEX 4-1580 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.

  • Page 36: Removing And Replacing An Fru

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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. Begin by removing any FRUs that have to be removed before the failing FRU. Any of such FRUs are listed at the top of the page. Remove them in...

  • Page 37: 1010 Base Cover

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 1010 Base cover Figure 1. Removal steps of base cover Remove the screws 1 and 2. ideapad FLEX 4-1570: ideapad FLEX 4-1470: Step Screw (quantity) Color Torque M2 × 6 mm, Phillips-head, nylok-coated (8) Black/ 1.85+/-0.15kgf-cm (ideapad FLEX 4-1470) Silver M2 × 9.5 mm, Phillips-head, nylok-coated (2) 3.0+/-0.3kgf-cm M2 × 6 mm, Phillips-head, nylok-coated (9) 1.85+/-0.15kgf-cm (ideapad FLEX 4-1570)
  • Page 38 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 1. Removal steps of base cover (continued) Remove the base cover in the directions shown by arrows 3 and 4. Attention: When removing the base cover, be careful of the sharp aluminum thin edge of the upper case. Otherwise, hand injury may occur. Remove the screws 5. Step Screw (quantity) Color Torque M2 × 3 mm, Phillips-head, nylok-coated (2) Black 1.85+/-0.15kgf-cm RJ45 cover---cover Remove the RJ-45 door in the direction shown by arrow 6.
  • Page 39 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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. Rating label Wlan/BT label for Malaysia/Indonesia Rating label Wlan/BT label for South Africa...

  • Page 40: 1020 Battery Pack

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual 1020 Battery pack DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. For access, remove this FRU: • “1010 Base cover” on page 33 Figure 2.
  • Page 41 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Figure 2. Removal steps of battery pack (continued) Remove the battery pack in the direction shown by arrow 3.

  • Page 42: 1030 Pci Express Mini Card For Wireless Lan

    • “1020 Battery pack” on page 36 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” on page 65 for Lenovo part numbers for the approved modules.
  • Page 43 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Figure 3. Removal steps of PCI Express Mini Card for wireless LAN (continued) ideapad FLEX 4-1470: In step 1, unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159), or pick up the connectors with your fingers and gently unplug them in the direction shown by the arrows. Notes: The wireless LAN card has 2 cables in step 1. The wireless LAN card in some models might have 3 cables in step 1. Step Screw (quantity) Color Torque M2 × 3 mm, Phillips-head, nylok-coated (1) Black 1.85+/-0.15kgf-cm wireless card---log up...
  • Page 44 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 3. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow 4. When installing: • In models with a wireless LAN card that has two antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled MAIN, and the grey cable (2nd) (AUX) into the jack labeled AUX on the card. • 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 the jack labeled 3, and the white cable (2nd) (AUX) into the jack labeled 2 on the card. • Apply the sponge to the card as shown below.

  • Page 45: 1040 Dimm

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 1040 DIMM For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 36 Figure 4. Removal steps of DIMM Remove the DIMM cover with fingers as shown. Release the two latches on both edges of the socket at the same time in the directions shown by arrows 1, and then unplug the DIMM in the direction shown by arrow 2.

  • Page 46: 1050 Speakers

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual 1050 Speakers For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 36 Figure 5. Removal steps of speakers Detach the speakers connector in the direction shown by arrow 1. Unplug the back-up battery connector in the direction shown by arrow 2, detach the touch pad and keyboard connector in the direction shown by arrow 3, Then remove the speakers 4.

  • Page 47: 1060 Hard Disk Drive

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 1060 Hard disk drive For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 36 • “1050 Speakers” on page 42 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 damage and permanent loss of data.
  • Page 48 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 6. Removal steps of hard disk drive (continued) Detach the HDD connector in the direction shown by arrow 2. Remove the hard disk drive from the slot in the direction shown by arrow 3. When installing: Make sure that the HDD connector is attached firmly. Remove the screws 4 and detach the metal frame from the hard disk drive. Step Screw (quantity) Color Torque M3 × 3 mm, Phillips-head, nylok-coated (4) Silver 3.0+/-0.3kgf-cm hdd bracket---hdd module...

  • Page 49: 1070 Fan Assembly And Heat Sink Assembly

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 1070 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 36 Figure 7. Removal steps of fan assembly and Heat Sink assembly Release the cables from the cable guides in the direction shown by arrows 1. When installing: Route the antenna cables along the cable guides. As you route the cables, make sure that they are not subjected to any tension. Tension...
  • Page 50 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 7. Removal steps of fan assembly and Heat Sink assembly (continued) Unplug the fan connector in the direction shown by arrow 2. Remove the screws 3.
  • Page 51 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Figure 7. Removal steps of fan assembly and Heat Sink assembly (continued) Remove the screws 5. Step Screw (quantity) Color Torque M2 × 3 mm, Phillips head, nylok-coated (5) Black 1.85+/-0.15kgf-cm cpu thermal module---cpu plate & vga thermal module---MB Lift the heat sink in the direction shown by arrows 6.
  • Page 52 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 7. Removal steps of fan assembly and Heat Sink assembly (continued) When installing: Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, to the part shown in the figure above. Either too much or too little grease application can cause a thermal...

  • Page 53: 1080 Io Board, Dc-In Cable

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 1080 IO board, DC-in cable For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 36 • “1070 Fan assembly and Heat Sink assembly” on page 45 Figure 8. Removal steps of IO board, DC-in cable Detach the IO board connector in the directions shown by arrows 1 and 2.
  • Page 54 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 8. Removal steps of IO board, DC-in cable (continued) Remove the IO board in the direction shown by arrow 4. Remove the DC-in cable in the direction shown by arrow 5. When installing: Make sure that the connector is attached firmly.

  • Page 55: 1090 System Board

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 1090 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 56 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 9. Removal steps of system board (continued) Remove the system board in the direction shown by arrow 4.

  • Page 57: 1100 Upper Case

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 1100 Upper case For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 36 • “1030 PCI Express Mini Card for wireless LAN” on page 38 • “1050 Speakers” on page 42 • “1060 Hard disk drive” on page 43 • “1070 Fan assembly and Heat Sink assembly” on page 45 • “1080 IO board, DC-in cable” on page 49 • “1090 System board” on page 51 Figure 10. Removal steps of upper case Remove the screws 1.
  • Page 58 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 10. Removal steps of upper case (continued) Open the hinge in the direction shown by arrows 2. Remove the upper case from the LCD module in the directions shown by arrow 3.
  • Page 59 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Figure 10. Removal steps of upper case (continued) Remove the screws 4. Then remove the touchpad module 5. Step Screw (quantity) Color Torque M2 × 2 mm, Phillips-head, nylok-coated (2) Black 1.85+/-0.15kgf-cm tp bracket---log up...

  • Page 60: 1110 Lcd Unit

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual 1110 LCD unit For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 36 • “1030 PCI Express Mini Card for wireless LAN” on page 38 • “1050 Speakers” on page 42 • “1060 Hard disk drive” on page 43 • “1070 Fan assembly and Heat Sink assembly” on page 45 • “1080 IO board, DC-in cable” on page 49 • “1090 System board” on page 51 • “1100 Upper case” on page 53 Figure 11. Removal steps of LCD unit Remove the screws 1.
  • Page 61 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Figure 11. Removal steps of LCD unit (continued) Remove the screws 2. Lift the LCD module slightly 3. Disconnect the connector in the direction shown by arrow 4. Then remove the LCD module. Step Screw (quantity) Color Torque M2 × 3.5 mm, Phillips-head, nylok-coated (2) Silver 1.85+/-0.15kgf-cm lcd panel---lcd cover...
  • Page 62 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 11. Removal steps of LCD unit (continued) Detach the camera connector in the direction shown by arrow 5. Remove the LCD cable in the direction shown by arrows 8. When installing: Make sure that the connector is attached firmly and that you do not pinch the antenna cables when you attach the LCD assembly. Route the LCD cable along the cable guides.

  • Page 63: 1120 Integrated Camera, Antenna Assembly And Lcd Hinges

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 1120 Integrated camera, antenna assembly and LCD hinges For access, remove these FRUs in order: • “1010 Base cover” on page 33 • “1020 Battery pack” on page 36 • “1030 PCI Express Mini Card for wireless LAN” on page 38 • “1050 Speakers” on page 42 • “1060 Hard disk drive” on page 43 • “1070 Fan assembly and Heat Sink assembly” on page 45 • “1080 IO board, DC-in cable” on page 49 • “1090 System board” on page 51 • “1100 Upper case” on page 53 • “1110 LCD unit” on page 56 Figure 12.
  • Page 64 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Figure 12. Removal steps of integrated camera, antenna assembly and LCD hinges (continued) Peel off the adhesive tape securing the antenna boards, release the cables from the cable guide, and then remove the antenna assembly in the direction shown by arrows 2.
  • Page 65 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Figure 12. Removal steps of integrated camera, antenna assembly and LCD hinges (continued) Remove the LCD hinges in the direction shown by arrows 4.

  • Page 66: Locations

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Locations Front view and right-side view 1 Integrated camera 2 Wireless LAN antennas 3 Built-in microphone 4 Multi-touch screen 5 Touchpad 6 Power status indicator 7 Power button 8 USB port 9 HDMI port J RJ-45 port...

  • Page 67: Bottom And Left-Side View

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480: Bottom and Left-side view 1 Speakers 2 Novo button 3 Memory card slot 4 Combo audio jack 5 USB port 6 Battery/Charging status indicator Note: For the description of each indicator, see “Status indicators” on page 29. 7 AC power adapter jack 8 Kensington Mini Security slot 9 Ventilation slots...

  • Page 68: Parts List

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Parts list This section presents the following service parts: • “Overall” on page 65 • “LCD FRUs” on page 73 • “Miscellaneous parts” on page 76 • “AC adapters” on page 76 • “Screws” on page 77 • “Power cords” on page 71 Note: Each FRU is available for all types or models, unless specific types or models are specified.

  • Page 69: Overall

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Overall...
  • Page 70 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Table 4. Parts list—Overall ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 a-d See “Miscellaneous parts” on page 76. LCD unit (see “LCD FRUs” on page 73).
  • Page 71 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Table 4. Parts list—Overall (continued) ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 Upper_Case C 80S7 NBL BK W/KB TUR 5CB0L45934 ● ●...
  • Page 72 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Table 4. Parts list—Overall (continued) ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 Upper_Case C 80SB BL BK W/KB BUL 5CB0L45905 ●...
  • Page 73 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Table 4. Parts list—Overall (continued) ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 Upper Case C 80VE BLBKFPLNVW/KBUSA 5CB0M32711 ● Upper Case C 80VE BLBKFPLNVW/KBUKR 5CB0M32714 ●...
  • Page 74 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Table 4. Parts list—Overall (continued) ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 Upper Case C 80VENBLBKFPLNVW/KBICE 5CB0M32628 ●...
  • Page 75 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Table 4. Parts list—Overall (continued) ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 Upper_CaseC 80VB BL WT FP W/KB HEB 5CB0M32784 ● Upper_CaseC 80VB BL WT FP W/KB THA 5CB0M32913 ●...
  • Page 76 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Table 4. Parts list—Overall (continued) ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 Upper_CaseC 80VB NBL BK FP W/KB DUT 5CB0M32916 ●...
  • Page 77 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 Upper_CaseC 80VD BL BK FP W/KB RU 5CB0M32931 ● Upper_CaseC 80VD BL BK FP W/KB ARA 5CB0M32914 ● Upper_CaseC 80VD BL BK FP W/KB HEB 5CB0M32948 ●...
  • Page 78 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 Upper_CaseC 80VD NBL BK FP W/KB GE 5CB0M32876 ● Upper_CaseC 80VD NBL BK FP W/KB BRA 5CB0M32759 ● Upper_CaseC 80VD NBL BK FP W/KB DUT 5CB0M32821 ●...
  • Page 79 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 MB C 80S8 NOK UMA I5-6200U BL 5B20L46020 ● MB C 80S8 WIN UMA I56200U BL 5B20L45964 ● MB C 80S8 NOK UMA I5-6200U NBL 5B20L45881 ●...
  • Page 80 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 MB C 80S9 NOK A99410 2G NBL 5B20L80796 ● MB C 80S9 WIN A99410 2G NBL 5B20L80786 ● MB C 80VB NOK I37100U UMABLNFP 5B20M32902 ●...
  • Page 81 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 MB C 80VB NOK I77500U 2G BL FP 5B20M32743 ● MB C 80VB WIN I77500U 2G BL FP 5B20M32788 ● MB C 80VB NOK I77500U 2G NBL FP 5B20M32841 ●...
  • Page 82 FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 RAM M471A2K43BB1-CRC, 16G SM30G16512 ● ● ● ● ●...
  • Page 83 Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 ideapad ideapad ideapad ideapad ideapad No. FRU FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 HDD Toshiba MQ02ABF050H 7mm 5.4k 5H20H12631 500GB+8GB SSHD SSHD 500G 7MM ● ● ● ● ● 5400RPM (8G) HDD TBD SSHD 500G 7MM 5400RPM (8G) TBD ●...

  • Page 84: Lcd Frus

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual LCD FRUs In Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ ideapad FLEX 4-1570/ideapad FLEX 4-1580, there is following type of LCD. • “14.0-in. HD LED” • “15.6-in. HD LED”...

  • Page 85: 14.0-In. Hd Tft

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 14.0-in. HD TFT Table 5. Parts list—14.0-in. HD TFT FRU no. CRU ID. LCD Bezel Screwpad C80S7BL+WT20PCS 5T10L45961 Hinge_Cover C 80S7 Black 5CB0L45928 Panel, LGD LP140WF6-SPB1 FHD AG S NB, 14.0 FHD IPS 5D10H34771 AG TOUCH (SLIM) Panel, IN N140HCE-EAA C3 FHD AG S NB, 14.0 FHD IPS 5D10K91452 AG TOUCH (SLIM) Panel, BOE NV140FHM-N41 FHD AG S NB, 14.0 FHD IPS 5D10H32288 AG TOUCH (SLIM) Panel, IN N140BGA-EA3 HDT AG S NB, 14.0 HD TN AG 5D10K85755 TOUCH (SLIM) Panel, AUO B140XTN02.E HW0A HD AG S NB, 14.0 HD TN...

  • Page 86: In. Hd Tft

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual 15.6-in. HD TFT Table 5. Parts list—15.6-in. HD TFT FRU no. CRU ID. LCD Bezel Screwpad C80S8BL+WT20PCS 5T10L45993 Hinge_Cover C 80S8 Black 5CB0L45958 Hinge C 80S8 L+R 5H50L45948 Panel, LG LP156WF6-SPK2 FHDI AG S NB 15.6 FHD IPS 5D10K92393 AG TOUCH (SLIM) Panel, SD LTN156HL09-402 FHDI AG S NB 15.6 FHD IPS 5D10K81462 AG TOUCH(SLIM) Panel, BO NV156FHM-N42 V5 FHDI AG S NB 15.6 FHD IPS...

  • Page 87: Miscellaneous Parts

    Lenovo ideapad FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Miscellaneous parts Table 6. Parts list—Miscellaneous parts ideapad /ideapad ideapad ideapad ideapad FRU no. FLEX 4-1470 FLEX 4-1570 FLEX 4-1435 FLEX 4-1480 FLEX 4-1580 System miscellaneous parts: • ( a ) HDD Bracket C 80S7 5B40L45926 ●...

  • Page 88: Screws

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 Hardware Maintenance Manual Table 7. Parts list—2-pin AC adapters Adapter Chicony ADL45WCF 20V2.25A adapter, BLACK 45W 2-PIN 5A10H43622 Adapter Chicony ADL45WCG 20V2.25A adapter, BLACK 45W 2-PIN 5A10H43628 Adapter Chicony ADL45WCH 20V2.25A adapter, BLACK 45W 2-PIN 5A10H43616 Adapter Delta ADLX65CDGC2A 20V3.25A adapter, BLACK 65W 2-PIN 5A10K78762 Adapter Delta ADLX65CDGG2A 20V3.25A adapter, BLACK 65W 2-PIN 5A10K78739 Adapter Delta ADLX65CDGU2A 20V3.25A adapter, BLACK 65W 2-PIN 5A10K78742 Adapter Delta ADLX65CDGK2A 20V3.25A adapter, BLACK 65W 2-PIN 5A10K78743 Adapter Delta ADLX65CDGI2A 20V3.25A adapter, BLACK 65W 2-PIN 5A10K78759 Adapter Delta ADLX65CDGR2A 20V3.25A adapter, BLACK 65W 2-PIN 5A10K78748 Adapter Delta ADLX65CDGA2A 20V3.25A adapter, BLACK 65W 2-PIN 5A10K78741 Adapter Delta ADLX65CDGE2A 20V3.25A adapter, BLACK 65W 2-PIN...

  • Page 89: Notices

    Notices 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. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead. However, it is the...

  • Page 90: Trademarks

    FLEX 4-1470/ideapad FLEX 4-1435/ideapad FLEX 4-1480/ideapad FLEX 4-1570/ideapad FLEX 4-1580 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...

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