Lenovo K2450 Hardware Maintenance Manual - Lenovo K2450 Notebook
Lenovo K2450 Manual
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- Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 1
Lenovo ZhaoYang K2450 Hardware Maintenance Manual - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 2
using this information and the product it supports, be sure to read the general information under "Notices" on page 78. First Edition (August 2013) © Copyright Lenovo 2013. All rights reserved. LENOVO products, data, computer software, and services have been developed exclusively at private expense - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 3
this manual iv Safety information 1 General safety 2 Electrical safety 3 Safety inspection guide 5 Handling devices that are sensitive to electrostatic discharge 6 Grounding requirements 6 Safety notices: multilingual translations.......... 7 Laser compliance statement 14 Important service - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 4
About this manual This manual contains service and reference information for the following Lenovo product: Lenovo ZhaoYang K2450 Use this manual to troubleshoot problems. The manual is divided into the following sections: • The common sections provide general information, guidelines, and safety - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 5
the following safety information that you need to get familiar with before you service a Lenovo computer: • "General safety" on page 2 • "Electrical safety" on page 3 • "Safety inspection guide" on page 5 • "Handling devices that are sensitive to electrostatic discharge" on page 6 • "Grounding - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 6
Lenovo ZhaoYang K2450 Hardware Maintenance Manual General safety Follow these rules below to ensure • Please remove covers and other parts in a safe place, away from all personnel, while you are servicing the machine. • Keep your toolcase away from walk areas so that other people will not trip it - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 7
you from grounds such as metal floor strips and machine frames. Observe the special safety precautions when you work with very high voltages; instructions for these precautions are in the safety sections of maintenance information. Be extremely careful when you measure the high voltages. • Regularly - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 8
Lenovo ZhaoYang K2450 Hardware Maintenance Manual • Always look carefully for possible hazards in your 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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 9
and service personnel from injury. This guide addresses only non-Lenovo features or options not covered by this inspection guide. If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 10
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge grounding system, such as those listed below, to provide protection that meets the specific service requirement. Notes: The use of a grounding system to guard against ESD damage is - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 11
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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 12
Lenovo ZhaoYang K2450 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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - 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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 14
Lenovo ZhaoYang K2450 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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - 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' - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 16
Lenovo ZhaoYang K2450 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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - 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, dé - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 18
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo computer are equipped from the in the U.S. to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - 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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 20
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Important service information This chapter presents the following important service information: • "Strategy for and device drivers are posted on the customer support site: http://support.lenovo.com. Strategy for replacing FRUs Before replacing parts - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 21
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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 22
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The 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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 23
, saving, or formatting. Drives in the computer that you are servicing sequence might have been altered. If you select an incorrect drive, , electrostatic discharge, or software errors. Consider replacing an FRU only when a problem recurs. If you suspect that an FRU is defective, clear the error logs - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 24
Lenovo ZhaoYang K2450 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 Before checking problems with the - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 25
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 ZhaoYang K2450" on page 28. Note: Noise from the AC adapter - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 26
Lenovo ZhaoYang K2450 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. - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 27
service information Related service Disc into the optical drive. 2. Start the computer. When the Lenovo logo comes up, immediately press F12; on the boot sequence menu will boot from the Start Recovery Disc. Follow the on-screen instructions to begin the recovery process. 3. Read the license. If you - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 28
Lenovo ZhaoYang K2450 Hardware Maintenance Manual 7. When all of the data has been copied process is complete, the Welcome to the Microsoft Windows screen is displayed. Follow the instructions on the screen to complete the Windows setup. Passwords Using passwords Using passwords helps prevent - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 29
Related service information Power management Use your computer with ac power whenever ac power is available. Use your computer with battery power when ac power is not - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 30
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Charging the battery It is recommended that you charge the battery or replace it with a charged battery on any of the following conditions: • The percentage - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 31
Related service information Hibernation mode By using this mode, you can turn off the computer completely without saving files or exiting from any program that is running. - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 32
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Lenovo ZhaoYang K2450 This chapter presents the following product-specific service references and product-specific parts information: • "Specifications" on page 28 • "Status indicators" on page 30 • "FRU tests" on page 31 • "FRU replacement notices" - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 33
Lenovo ZhaoYang K2450 Display • Size: 317.5 mm (12.5 inches) • Resolution: - LCD: 1366-by-768 - External monitor: Maximum 2048-by-1536 • Camera • Built-in microphones Keyboard • 6-row Lenovo keyboard Interface • Combo audio jack • External monitor connector • HDMI connector • RJ45 Ethernet connector - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 34
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Status indicators The system status indicators below show the computer status: cba 30 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 35
Lenovo ZhaoYang K2450 a Active Protection System™ (APS) status indicator • Green: Impact shock has been detected, so the hard disk drive is temporarily locked. • Off: No impact shock has - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 36
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Special keys and buttons Your computer has several special keys and buttons to help you work more easily and effectively. Function key combinations The following - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 37
Lenovo ZhaoYang K2450 • Second screen only Note: You can also press the Windows key + P combination to switch between the computer display and an external monitor. Configuring camera settings ( - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 38
Lenovo ZhaoYang K2450 Hardware Maintenance Manual 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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 39
Lenovo ZhaoYang K2450 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 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 40
Lenovo ZhaoYang K2450 Hardware Maintenance Manual 1010 Keyboard Figure 1. Removal steps of keyboard Remove screws a . a a Step Screw (quantity) a M2 × 5 mm, flat-head, nylok- coated (2) Color Torque P/N Black 1.85+/-0.15 kgfcm 101500414 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 41
Lenovo ZhaoYang K2450 Figure 1. Removal steps of keyboard (continued) Lift the keyboard a little c, and then detach the connector in the direction shown by arrows d e . c d e When installing: Make sure that the FPC connector is attached firmly. 37 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 42
Lenovo ZhaoYang K2450 Hardware Maintenance Manual 1020 Battery pack For access, remove this FRU: • "1010 Keyboard" on page 36 DANGER • Only use the battery specified in the parts list for your - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 43
Lenovo ZhaoYang K2450 Figure 2. Removal steps of battery pack (continued) Remove three screws e . e e e Step a Screw (quantity) Color M2.0 × 5 mm, flat-head, nylok-coated Black (3) Torque 1.85+/-0.15 kgfcm - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 44
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Figure 2. Removal steps of battery pack (continued) Unplug the battery connector in the direction shown by arrow a first, then remove three screws b . b b a b Step Screw (quantity) - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 45
Lenovo ZhaoYang K2450 1030 Dummy card Figure 3. Removal steps of dummy cards Remove the dummy card in the direction shown by arrows a b . b a 41 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 46
Lenovo ZhaoYang K2450 Hardware Maintenance Manual 1040 Hard disk drive For access, remove these FRUs in order: • "1010 Keyboard" on page 36 • "1020 Battery pack" on page 38 Attention: • Do not - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 47
Lenovo ZhaoYang K2450 Figure 4. Removal steps of hard disk drive (continued) Hold the SATA receptacle connector with one hand and pull the hard disk drive (secured in the - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 48
Lenovo ZhaoYang K2450 Hardware Maintenance Manual 1050 DIMM For access, remove these FRUs in order: • "1010 Keyboard" on page 36 • "1020 Battery pack" on page 38 Figure 5. Removal steps of DIMM - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 49
Lenovo ZhaoYang K2450 1060 PCI Express Mini Card for wireless LAN/WAN and SSD card For access, remove these FRUs in order: • "1010 Keyboard" on page 36 • "1020 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 50
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Figure 6. Removal steps of PCI Express Mini Card for wireless LAN/WAN and SSD card (continued) Remove the card in the direction shown by arrow c . c - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 51
Lenovo ZhaoYang K2450 1070 System board Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 52
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Figure 7. Removal steps of system board (continued) Remove two screws a , and then remove the speaker in the direction shown by arrow b . a a b Step Screw (quantity) a M2 × 3 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 53
Lenovo ZhaoYang K2450 Figure 7. Removal steps of system board (continued) Unplug DC-IN cable connector in the direction a , back-up battery connector in the direction b , speaker connector in - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 54
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Figure 7. Removal steps of system board (continued) Remove the system board in the direction shown by arrow l. l c b a When installing: When attaching the system board to - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 55
Lenovo ZhaoYang K2450 1080 Fan assembly and Heat Sink assembly For access, remove these FRUs in order: • "1010 Keyboard" on page 36 • "1020 Battery pack" on page 38 • " - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 56
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Figure 8. Removal steps of fan assembly and heat sink assembly (continued) Lift the fan assembly and heat sink assembly in the direction shown by arrow c. Be careful not to damage the connector. c 52 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 57
Lenovo ZhaoYang K2450 1090 LCD unit For access, remove these FRUs in order: • "1010 Keyboard" on page that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. • Make sure that the LCD connector is attached firmly and make - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 58
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Figure 9. Removal steps of LCD unit (continued) Detach the LCD unit from the upper case. 54 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 59
Lenovo ZhaoYang K2450 1100 Speaker, base cover, finger printer board, power assembly and LED board For access, remove these FRUs in order: • "1010 Keyboard" on page 36 • "1020 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 60
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Figure 10. Speaker, base cover, finger printer board, power assembly and LED board (continued) Remove screw c, and then remove the finger printer board in the - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 61
Lenovo ZhaoYang K2450 Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. Apply key. a b The following letter shows the correct location of each label. Not all labels are attached on the part you are servicing. Rating label GML label 57 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 62
Lenovo ZhaoYang K2450 Hardware Maintenance Manual 1110 LCD front bezel For access, remove these FRUs in order: • "1010 Keyboard" on page 36 • "1020 Battery pack" on page 38 • "1040 Hard disk - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 63
Lenovo ZhaoYang K2450 1120 LCD panel, LCD cable and hinges For access, remove these FRUs in order: • "1010 Keyboard" on page 36 • "1020 Battery pack" on page 38 • " - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 64
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Figure 12. LCD panel, LCD cable and hinges (continued) Remove screws c and the hinges in the direction shown by arrows d . cc c d ccc d Step Screw (quantity) Color Torque a M2.5 × 3 mm, flat-head, nylok-coated (6) Black 3.0+/-0.15 kgfcm 60 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 65
Lenovo ZhaoYang K2450 1130 Integrated camera For access, remove these FRUs in order: • "1010 Keyboard" on page 36 • "1020 Battery pack" on page 38 • "1040 Hard disk drive" - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 66
Lenovo ZhaoYang K2450 Hardware Maintenance Manual 1140 Antenna assembly and LCD cover For access, remove these FRUs in off the adhesive tapes securing the antenna boards, release the cables from the cable guide, and then remove the antenna assembly in the direction shown by arrows a. a a When - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 67
Locations Front view a Camera b Camera indicator c Keyboard light d Power button e Fingerprint reader f Right-click button g Touch pad h Left-click button i Status indicators j Microphones Lenovo ZhaoYang K2450 ab c j i h g f d e 63 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 68
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Bottom view a Battery lock b Battery c Battery latch d Speakers a d b c d 64 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 69
Left-side view a Security keyhole b ac power connector c Fan louvers d HDMI connector e USB 2.0 connectors f Combo audio jack Lenovo ZhaoYang K2450 ab c d ef 65 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 70
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Right-side view a Media card reader slot b USB 3.0 connector c Monitor connector d Ethernet connector a b cd 66 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 71
Lenovo ZhaoYang K2450 Parts list This section presents the following service parts: • "Overall" on page 68 • "LCD FRUs" on page 72 • "Keyboard" on page 74 • "Miscellaneous parts" on page 75 • "AC adapters" on page 76 • "Power - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 72
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Overall 1 4 5 e 7 9 a c 13 15 17 2 3 11 8 6 12(1) 10 12 14 b 16 d 68 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 73
Lenovo ZhaoYang K2450 Table 1. Parts list-Overall No. FRU FRU no. CRU ID 1 LCD unit RTL8723BE 1x1 11n + BT HMC Combo 20200440 N 6 LK290S MB UMA I3-4010U 90003780 * 6 LK290S MB UMA I5-4200U 90003779 N 6 LK290S MB UMA I7-4500U 90003778 N 6 LK290S MB W8S UMA I3-4010U 90003785 N 6 LK290S - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 74
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Table 1. Parts list-Overall (continued) No. 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 10 11 12 12 12 12 12 12 12 12 12 12 (1) FRU Hard disk drive, 500GB/5400rpm/9.5mm ( - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 75
Lenovo ZhaoYang K2450 Table 1. Parts list-Overall (continued) No. FRU FRU no. CRU ID 13 LK290S UMA Thermal Module W/FAN 90203902 ** 14 2GB DDRIIIL 1600 M471B5773DH0-YK0 (D/ 2Gb/ - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 76
Lenovo ZhaoYang K2450 Hardware Maintenance Manual LCD FRUs In Lenovo ZhaoYang K2450, there are following types of LCDs. • "12.5 -in. HD TFT" 2 2 3 4 7 4 5 6 8 9 72 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 77
Lenovo ZhaoYang K2450 12.5-in. HD TFT Table 2. Parts list-12.5-in. HD TFT No. FRU FRU no. 1 LK290S LCD Bezel 90203896 2 LCD Bezel Screw Pad 90203904 3 Panel, 3. - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 78
Lenovo ZhaoYang K2450 Hardware Maintenance Manual Keyboard Table 3. Parts list-Keyboard Language keyboard K2450 Chicony blackframe Windows8 Darfon blackframe Windows8 English English P/N 25212754 CRU ID ** 25212753 74 - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 79
Lenovo ZhaoYang K2450 Miscellaneous parts Table 4. Parts list-Miscellaneous parts FRU System miscellaneous parts: • (a) LK290S HD Bracket • (a) HDD bracket w/rubber • (b) LK290S Finger Printer Board Bracket Cable miscellaneous parts: • (c) - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 80
Lenovo ZhaoYang K2450 Hardware Maintenance Manual AC adapters Table 5. Parts list-3-pin AC adapters FRU P/N 45W, 20V w/Rectangle plug A045R005L 36200247 Table 6. Parts list-Screw CRU ID N N N FRU K2450 M2*5 screw for C/D/Keyboard HDD bracket screws Screw for 16G SSD WLAN LK290S Screw Pack P/N - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 81
Lenovo ZhaoYang K2450 Power cords A Lenovo power cord for a specific country or region is usually available only in that country or region: Table 7. Parts list-3-pin power cords Region CCC • LINETEK - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 82
Lenovo ZhaoYang K2450 Hardware Maintenance Manual 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 or other life support applications where malfunction - Lenovo K2450 | Hardware Maintenance Manual - Lenovo K2450 Notebook - Page 83
, or both: Active Protection System Lenovo OneKey Microsoft and Windows are trademarks of the Microsoft group of companies. The following items are trademarks of Apple Inc., registered in the U.S. and other countries: iPod iPhone Other company, products, or service names may be trademarks or
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