Lenovo ZhaoYang K2450 Maintenance Manual Download Page 53

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Lenovo ZhaoYang K2450

Figure 7. Removal steps of system board (continued)

Unplug DC-IN cable connector in the direction

, back-up battery connector in

the direction

, speaker connector in the direction

, microphone connector

in the direction

, detach LED board connector in the directions

,touch

pad connector in the directions

, finger printer connector in the directions

. disconnect the LCD connector in the direction

When installing:

Make sure that all the connectors are attached firmly.

c d

g h

i j

Summary of Contents for ZhaoYang K2450

Page 1: ...Lenovo ZhaoYang K2450 Hardware Maintenance Manual ...

Page 2: ...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 LIMITED AND RESTRICTED RIGHTS NOTICE If products data computer software or services are delivered pursuant a General Services Administration GSA contract use reproduction or disclo sure is subject to re...

Page 3: ...sing passwords 24 Power management 25 Power management 25 Checking the battery status 25 Using the ac power adapter 25 Charging the battery 26 Maximizing the battery life 26 Power saving modes 26 Sleep mode 26 Hibernation mode 27 Shutting down the computer 27 Lenovo Zhao Yang K2450 28 Specifications 28 Features 28 Specifications 29 Status indicators 30 Special keys and buttons 32 Function key comb...

Page 4: ...safety information required for servicing computers The product specific section includes service reference and product specific parts information About this manual 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 Safet...

Page 5: ...ervice 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 requirements on page 6 Safety notices multilingual translations on page 7 Laser compliance statement on page 14 Safety information ...

Page 6: ...om all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip it over Do not wear loose clothing that can be trapped in the moving parts of the machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with the ...

Page 7: ...ttention An electrical shock can occur only when there is a complete circuit By observing the above rule you may prevent a current from passing through your body When using testers set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine...

Page 8: ... 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 Motor generators and similar units This practice ensures correct grounding of the units If an electrical accident occurs U...

Page 9: ...rmine whether there are any potential unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Turn off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use a met...

Page 10: ...he mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific service requirement Attach the ESD ground clip to any frame ground ground braid or green wire ground When working on a double insulated or battery operated system use an ESD common ground or reference point You can use coax or connector ...

Page 11: ... Austausch der Computer wieder angeschlossen wird muß sichergestellt werden daß keine Schrauben Federn oder andere Kleinteile fehlen oder im Gehäuse vergessen wurden Der Computer muß geschüttelt und auf Klappergeräusche geprüft werden Metallteile oder splitter können Kurzschlüsse erzeugen Prima di accendere l elaboratore dopo che é stata effettuata la sostituzione di una FRU accertarsi che tutte l...

Page 12: ...halten Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen Alcune batterie di riserva ...

Page 13: ...eschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen La batteria contiene piccole quantità di nichel Non smontarla gettarla nel fuoco o nell acqua né cortoci...

Page 14: ...dieses Typs dürfen nicht aufgeladen zerlegt über 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der E...

Page 15: ...irm besteht aus Glas und kann zerbrechen wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in Kontakt mit Haut und Augen gerät sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgespült und bei Beschwerden anschließend ein Arzt aufgesucht werden Nel caso che caso l LCD si dovesse rompere...

Page 16: ...d battery can produce enough current to burn personnel or combustible materials Bien que le voltage des batteries principales soit peu élevé le court circuit ou la mise à la masse d une batterie peut produire suffisamment de courant pour brûler des matériaux combustibles ou causer des brûlures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben können sie doch bei Kurzschluß oder...

Page 17: ...et déconnectez tous les cordons d interface Die Stromzufuhr muß abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de ...

Page 18: ...e device could result in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open Laser compliance statement CAUTION Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure O uso de controles ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pod...

Page 19: ...luz Rayonnement laser si carter ouvert Évitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei geöffnetem Gerät Nicht direkt oder über optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyitáskor lézersugár Ne nézzen bele se szabad szemmel se optikai eszközökkel Kerülje a sugárnyalábbal való é...

Page 20: ...isted 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...

Page 21: ...onfiguration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive This will cause all customer data on the hard disk to be lost Make sure that the customer has a current backup of the data before performing this ac...

Page 22: ...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 The following statement pertains to these products and any product Lenovo produces containing RoHS compliant FRUs RoHS compliant FRUs have unique FRU part numbers Before or after the RoHS implementation date failed RoHS compliant parts must always b...

Page 23: ...ce might have been altered If you select an incorrect drive data or programs might be overwritten Replace an FRU only with another FRU of the correct model When you replace an FRU make sure that the machine model and the FRU part number are correct by referring to the FRU parts list An FRU should not be replaced just because of a single unreproducible failure Single failures can occur for a variet...

Page 24: ...eferring to the following list The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force Damage caused by liquid spilled into the system Damage caused by...

Page 25: ...the AC adapter for correct continuity and installation 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 Note Output voltage for the AC adapter pin No 2 may differ from the one you...

Page 26: ...tart 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 ...

Page 27: ...tent such as software for specific models and updates to the software that was preloaded on the computer Not all recovery disc sets come with a Supplemental Recovery Disc To restore the computer to the original factory configuration using the recovery disc set do the following 1 Insert the bootable Start Recovery Disc into the optical drive 2 Start the computer When the Lenovo logo comes up immedi...

Page 28: ...er your password at the prompt The computer cannot be used unless you enter the correct password Note This password can be a combination of one to seven alphanumeric characters For more information about how to set the password refer to the online help information system on the right screen of the BIOS program Note To enter the BIOS program press F1 when the Lenovo logo is displayed on the screen ...

Page 29: ...ower for use with the computer The power cord that plugs into the ac outlet and into the transformer pack Attention Using an improper power cord could cause severe damage to the computer Connecting the ac power adapter To connect the ac power adapter do the following 1 Plug the power cord into an electrical outlet 2 Connect the power cord to the transformer pack 3 Connect the ac power adapter to t...

Page 30: ... at any time to conserve power This topic introduces each mode and gives tips on the effective use of the battery power Sleep mode If you are not going to use the computer for a short time put the computer into sleep mode When the computer is in sleep mode you can wake it up to resume use and bypass the startup process To put the computer into sleep mode do the following Windows 7 1 Click Start 2 ...

Page 31: ...tart 2 Click the triangle mark next to the Shut down icon and then select Hibernation Windows 8 1 Move the cursor to the top right or bottom right corner of the screen to display the charms 2 Click Settings 3 Select Hibernation from the Power menu options Shutting down the computer If you are not going to use the computer for a day or two shut it down To shut down the computer do the following Win...

Page 32: ...perties Windows 8 From the desktop move the cursor to the top right or bottom right corner of the screen to display the charms Then click Settings PC info Memory Double data rate 3 low voltage DDR3L synchronous dynamic random access memory SDRAM Storage device 2 5 inch hard disk drive with a height of 7 mm 9 5 mm 0 28 inch 0 37 inch 2 5 inch solid state drive with a height of 7 mm 0 28 inch Note I...

Page 33: ...r RJ45 Ethernet connector USB 2 0 connector USB 3 0 connector 4 in 1 digital media card reader slot Wireless features Integrated wireless LAN 100 1000 Mbps Ethernet communication Specifications This topic lists the physical specifications for your computer Heat output 45 W 222 Btu hr Power source ac power adapter Sine wave input at 50 to 60 Hz Input rating of ac power adapter 100 to 240 V ac 50 to...

Page 34: ...Lenovo ZhaoYang K2450 Hardware Maintenance Manual 30 The system status indicators below show the computer status Status indicators c b a ...

Page 35: ...s Battery status indicator Green The battery charge level is between 80 and 100 or the battery discharge level is between 20 and 100 Slow blinking green The battery charge level is between 20 and 80 and charging is continuing When the battery charge level reaches 80 the battery status indicator stops blinking but the charging might continue until the battery is 100 charged Slow blinking amber The ...

Page 36: ...mputer might look different from the following illustration The following is a brief introduction to the function key combinations Configuring Keyboard light Fn Esc Enables or disables the keyboard light Power conservation Fn F1 Puts your computer into sleep mode Display backlight feature Fn F2 Enables or disables the display backlight feature Switching the display output location Fn F3 Switches b...

Page 37: ...l Fn F8 Enables or disables the touch pad function Multimedia controls Fn F9 Play or Pause Fn F10 Stop Fn F11 Previous track or scene Fn F12 Next track or scene Volume controls Fn left or right arrow To adjust the sound volume from your computer do the following Fn left arrow Decreases the sound volume Fn right arrow Increases the sound volume Adjusting display brightness Fn up or down arrow To ad...

Page 38: ...ag Remove screws carefully for reuse Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 after the screw head touches the surface of the plastic part Logic card to plastic Turn an additional 180 after the screw head touches the surface of the logic card Torque driver If you have a torque screwdriver refer to the Torque column for each step Ma...

Page 39: ...ut the new FRU in place reverse the removal procedures and follow any of the notes that pertain to replacement For information about connecting and arranging internal cables see Locations on page 63 8 When replacing an FRU use the correct screw as shown in the procedures Attention After replacing an FRU do not turn on the computer until you have made sure that all screws springs and other small pa...

Page 40: ... 36 1010 Keyboard Figure 1 Removal steps of keyboard Remove screws Loosen the keyboard with a flat blade in the direction shown by arrow Step Screw quantity Color Torque P N M2 5 mm flat head nylok coated 2 Black 1 85 0 15 kgfcm 101500414 a a a a b b ...

Page 41: ...50 37 Figure 1 Removal steps of keyboard continued Lift the keyboard a little and then detach the connector in the direction shown by arrows When installing Make sure that the FPC connector is attached firmly c d e c d e ...

Page 42: ...ery latch Holding the spring loaded battery latch in the unlocked position remove the battery pack in the direction shown by the arrow Remove six screws Step Screw quantity Color Torque M2 5 mm flat head nylok coated 6 Black 1 85 0 15 kgfcm DANGER Only use the battery specified in the parts list for your computer Any other battery could ignite or explode a b c c b 1 a d d d d d d d a ...

Page 43: ...nued Remove three screws Insert the thin flat blade between the frame join near the ventilation slots then carefully move the blade along the join to remove the back cover Step Screw quantity Color Torque M2 0 5 mm flat head nylok coated 3 Black 1 85 0 15 kgfcm e e e e a ...

Page 44: ...s of battery pack continued Unplug the battery connector in the direction shown by arrow first then remove three screws Remove the battery in the direction shown by arrow Step Screw quantity Color Torque M2 5 mm flat head nylok coated 3 Black 1 85 0 15 kgfcm a b b b b a c c c ...

Page 45: ...Lenovo ZhaoYang K2450 41 1030 Dummy card Figure 3 Removal steps of dummy cards Remove the dummy card in the direction shown by arrows a b a b ...

Page 46: ...ake out the hard disk drive secured in a metal frame in the direction shown by arrow 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 damages and permanent loss of data Before removing the drive suggest the customer to backup all the information on it if possible Never remove the drive while t...

Page 47: ...sk drive secured in the metal frame in the direction shown below to detach the connector Remove four screws and detach the metal frame from the hard disk drive When installing Make sure that the HDD connector is attached firmly Step Screw quantity Color Torque P N M3 0 3 mm flat head nylok coated 4 Black 3 0 0 15 kgfcm 101500323 c d e e e e e f c ...

Page 48: ...of DIMM Release the two latches on both edges of the socket at the same time in the direction shown by arrows and then unplug the DIMM in the direction shown by arrow When installing Insert the notched end of the DIMM into the socket Push the DIMM firmly and pivot it until it snaps into the place Make sure that it is firmly fixed in the slot and difficult to be moved a b a a b ...

Page 49: ...e two wireless LAN cables black white and then remove the screw In step 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 arrows Notes wireless LAN card has 2 cables in step wireless LAN card in some models may have 3 cables in step Step Screw quantity Color Torque P N M2 0 3 0 mm...

Page 50: ... 1st MAIN into the jack labeled 1 and the white cable 2nd AUX into jack labeled 2 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 jack labeled 3 and the white cable 2nd AUX into jack labeled 2 on the card Remove the screw Remove the card in the direction shown by arrow Step Screw quantity...

Page 51: ... SSD card on page 45 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 Avoid rough handling of any kind In the whole process make sure not to drop or stack the system board If you put a system board down make sure to put it only on a...

Page 52: ...ued Remove two screws and then remove the speaker in the direction shown by arrow Remove four screws Step Screw quantity Color Torque M2 3 mm flat head nylok coated 2 Black 1 85 0 15 kgfcm Step Screw quantity Color Torque M2 5 mm flat head nylok coated 2 Black 1 85 0 15 kgfcm a b a b a a a a a a a b ...

Page 53: ...on speaker connector in the direction microphone connector in the direction detach LED board connector in the directions touch pad connector in the directions finger printer connector in the directions disconnect the LCD connector in the direction When installing Make sure that all the connectors are attached firmly a b e f c d g h i j k c d a b e f g h i j k ...

Page 54: ...the system board in the direction shown by arrow When installing When attaching the system board to the base cover adjust the placement of the USB HDMI ports as shown in and make sure that they are attached to the holes on the base cover as shown Improper placement of those jacks might cause a damage l l a b c ...

Page 55: ...board on page 36 1020 Battery pack on page 38 1070 System board on page 47 Figure 8 Removal steps of fan assembly and heat sink assembly Unplug the fan connector in the direction shown by arrow When installing Make sure that the fan connector is attached firmly to the system board Loosen four screws a a b b b b b ...

Page 56: ... Hardware Maintenance Manual 52 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 Be careful not to damage the connector c c ...

Page 57: ...al steps of LCD unit Remove five screws 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 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 sure that you do not pinch the antenna cables when you attach the LCD ...

Page 58: ...Lenovo ZhaoYang K2450 Hardware Maintenance Manual 54 Figure 9 Removal steps of LCD unit continued Detach the LCD unit from the upper case ...

Page 59: ...n page 45 1080 Fan assembly and Heat Sink assembly on page 51 1070 System board on page 47 1090 LCD unit on page 53 Figure 10 Speaker base cover finger printer board power assembly and LED board Remove three screws and then remove the speaker in the direction shown by arrow Remove the power assembly in the direction shown by arrow When installing Make sure that the power connector is attached firm...

Page 60: ...ly and LED board continued Remove screw and then remove the finger printer board in the direction shown by arrow Remove screw Detach the LED board connector to lift the LED board in the direction shown by arrow Step Screw quantity Color Torque M2 2 mm flat head nylok coated 1 Black 1 85 0 15 kgfcm c d c d a e f e f ...

Page 61: ...r peel them from the replaced base cover and adhere them to the new one Note If the Certificate of Authenticity COA label b is attached to a replaced part return the replaced part to the customer or provide a letter to the customer stating the original label part number serial number and product key The following letter shows the correct location of each label Not all labels are attached on the pa...

Page 62: ...M on page 44 1060 PCI Express Mini Card for wireless LAN WAN and SSD card on page 45 1080 Fan assembly and Heat Sink assembly on page 51 1070 System board on page 47 1090 LCD unit on page 53 1100 Speaker base cover finger printer board power assembly and LED board on page 55 Figure 11 Removal steps of LCD front bezel Remove screws Remove the LCD front bezel in the direction shown by arrows a a a b...

Page 63: ...s LAN WAN and SSD card on page 45 1080 Fan assembly and Heat Sink assembly on page 51 1070 System board on page 47 1090 LCD unit on page 53 1100 Speaker base cover finger printer board power assembly and LED board on page 55 1110 LCD front bezel on page 58 Figure 12 LCD panel LCD cable and hinges Disconnect the connector When installing Make sure that the connector is attached firmly Lift the LCD ...

Page 64: ...nance Manual 60 Figure 12 LCD panel LCD cable and hinges continued Remove screws and the hinges in the direction shown by arrows Step Screw quantity Color Torque M2 5 3 mm flat head nylok coated 6 Black 3 0 0 15 kgfcm c d c c c c c c d d a ...

Page 65: ...LCD unit on page 53 1100 Speaker base cover finger printer board power assembly and LED board on page 55 1110 LCD front bezel on page 58 1120 LCD panel LCD cable and hinges on page 59 Figure 13 Removal steps of integrated camera Note The integrated camera is stuck on the top center of the LCD cover Disconnect the connector remove the integrated camera from the LCD cover in the direction When insta...

Page 66: ...ower assembly and LED board on page 55 1110 LCD front bezel on page 58 1120 LCD panel LCD cable and hinges on page 59 1130 Integrated camera on page 61 Figure 14 Removal steps of antenna assembly and LCD cover Peel 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 When installing Route th...

Page 67: ...K2450 63 Front view Camera Camera indicator Keyboard light Power button Fingerprint reader Right click button Touch pad Left click button Status indicators Microphones Locations a b c d e f g h i j c b a d i j h g f e ...

Page 68: ...Lenovo ZhaoYang K2450 Hardware Maintenance Manual 64 Bottom view Battery lock Battery Battery latch Speakers a b c d a d b c d ...

Page 69: ...Lenovo ZhaoYang K2450 65 Left side view Security keyhole ac power connector Fan louvers HDMI connector USB 2 0 connectors Combo audio jack a b c d e f a b c d e f ...

Page 70: ...Lenovo ZhaoYang K2450 Hardware Maintenance Manual 66 Right side view Media card reader slot USB 3 0 connector Monitor connector Ethernet connector a b c d a b c d ...

Page 71: ...g 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 cords on page 77 Parts list Notes Each FRU is available for all types or models unless specific types or models are specified ...

Page 72: ...Lenovo ZhaoYang K2450 Hardware Maintenance Manual 68 Overall 2 3 11 14 17 12 10 6 8 4 12 1 13 15 1 16 d b 9 7 a 5 c e ...

Page 73: ...LK290S MB W8S UMA I5 4200U 90003783 N 6 LK290S MB W8P UMA I5 4200U 90003784 N 6 LK290S MB W8S UMA I7 4500U 90003781 N 6 LK290S MB W8P UMA I7 4500U 90003782 N 7 LK290S LED Board 90004300 N 8 Processor Sharkbay Intel I7 4500U 1 8G 2cBGA CPU 102500572 8 Processor Sharkbay Intel I5 4200U 1 6G 2cBGA CPU 102500568 N 8 Processor Sharkbay Intel I3 4010U 1 7G 2cBGA CPU 102500569 8 Processor Sharkbay i7 455...

Page 74: ...841 16200315 9 SSD 128G SSD HG5d 16200347 9 SSD 128G SSD C500 Async 16200357 9 SSD 128G SSD M6S 16200352 9 SSD 180GB SSD SATA Gen 3 2 5 Only 6Gbps Sierra Star SSDSC2BF180A4 Async 16200470 10 LK290S DC IN Cable 90203892 11 LK290S Microphone 90203903 12 Battery 3 cell 23 2Wh Front of system Prismatic 121500143 N 12 Battery 3 cell 23 2Wh Front of system Polymer 121500144 N 12 Battery 3 cell 23 2Wh Fr...

Page 75: ...00 MT8KTF25664HZ 1G6M1 V79D 2Gb 42nm 11200346 14 4GB DDRIIIL 1600 M471B5273DH0 YK0 D 2Gb 35nm 11200503 14 4GB DDRIIIL 1600 HMT451S6AFR8A PB D 4Gb 29nm 11201300 14 4GB DDRIIIL 1600 MT8KTF51264HZ 1G6J1 V80B 4Gb 30nm 11201342 14 8GB DDRIIIL 1600 M471B1G73BH0 YK0 11200504 14 8GB DDRIIIL 1600 HMT41GS6AFR8A PB 11201301 14 8GB DDRIIIL 1600 MT16KTF1G64HZ 1G6E1 11201304 15 LK290S Speaker 90203906 16 LK290S...

Page 76: ...Lenovo ZhaoYang K2450 Hardware Maintenance Manual 72 LCD FRUs In Lenovo ZhaoYang K2450 there are following types of LCDs 12 5 in HD TFT 3 2 4 8 7 9 5 2 4 6 ...

Page 77: ...N01 0 18200970 N 3 Panel 3 0mm 12 5inch panel eDP slim flat LP125WH2 TPH1 18200971 N 3 Panel 3 0mm 12 5inch panel eDP slim flat M125NWN1 R0 18200972 N 3 Panel 3 0mm 12 5inch panel eDP slim flat HB125WX1 200 18201071 N 4 LK290S Hinge Left Right 90203898 N 5 LK290S Antenna WLAN Aux L 90203900 N 6 LK290S Antenna WLAN Main R 90203901 N 8 LK290S LCD Cover W Camera 1 0M 90203895 N 9 LK290S LCD Cable 902...

Page 78: ... ZhaoYang K2450 Hardware Maintenance Manual 74 Keyboard Table 3 Parts list Keyboard Language P N CRU ID keyboard K2450 Chicony blackframe Windows8 English 25212754 Darfon blackframe Windows8 English 25212753 ...

Page 79: ...DD bracket w rubber b LK290S Finger Printer Board Bracket 90203897 101500412 90203893 N Cable miscellaneous parts c LK290S HDD Cable c HDD converter cable d LK290S LED Board Cable e LK290S Finger Printer Board Cable Note Italicized letters in parentheses are references to the exploded view in Overall on page 71 90203889 101500413 90203891 90203890 N ...

Page 80: ...Adapter 3Pin 20V w Rectangle plug ADP 45TD BA 36200245 N 45W AC Adapter 3Pin 20V w Rectangle plug PA 1450 12LC 36200246 N 45W AC Adapter 3Pin 20V w Rectangle plug A045R005L 36200247 N FRU P N CRU ID K2450 M2 5 screw for C D Keyboard 101500414 N HDD bracket screws 101500323 N Screw for 16G SSD 101500325 N WLAN 101500325 N LK290S Screw Pack 90203905 N ...

Page 81: ...ually available only in that country or region Table 7 Parts list 3 pin power cords Region P N CRU ID CCC LINETEK PC323 RVV300 300 LS15 1m 145000600 CCC Longwell LSG 31 RVV300 300 LS 18 1m 145000568 CCC VOLEX GB10S3 RVV 300 500 VAC5S 1m 145000538 CCC lux 0036 RVV 300 300 0 75 3C 0002 1m 145500003 ...

Page 82: ...not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document ...

Page 83: ...rements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment The following terms are trademarks of Lenovo in the United States other countries or both Active Protection System Lenovo OneKey Microsoft and Windows are trademarks of the Microsoft group of companies The following items are trademar...

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