IBM ThinkPad i Series 1500 User Manual

S09N-1084-01IBM Mobile SystemsThinkPad i Series 1400/1500 (2621, 2651) Hardware MaintenanceManual February 2000

ThinkPad i Series 1400/1500Hardware Maintenance Manual General DescriptionsThis chapter includes descriptions for any ThinkPad modelthat has the PC-Do

No. Description FRU No.Middle Cover & Launch Key ASM14.1" (for Japan)08K6054Middle Cover & Launch Key ASM12.1"/13.0"08K5869Midd

No. Description FRU No.HDD Module Assy. 8.1 GB (IBM) 05K9176Kitting, HDD (HDD adapter bracketSCR)08K586120 RTC Battery 11J859121 FPC Cable Group (FPCs

Note: The table below applies to the models in Group-B(See the 2621 model table on page iii.)No. Description FRU No.Miscellaneous Kit (for Japan)Righ

No. Description FRU No.3 Upper Heatsink 08K58684 Keyboard Bezel (IBM Logo, Lid SW,Bracket Screw, PCMCIA Shutter)08K5918Keyboard Bezel (IBM Logo, Lid S

No. Description FRU No.CD Control Card 08K3405Miscellaneous KitRight Hinge Cap 12.1"/13.0"Right Hinge Cap 14.1"Rubber Foot * 4PCMCIA Sc

No. Description FRU No.Screw KitWAFER MYLO M2.5*3.5LB-ZNBlackPAN NYLOK M2.5*6LB-ZN BlackPAN NYLOK M2.5*10LB-ZNBlackMACH PH M2*8LB-ZN PanBlackMACH PAN

LCD FRU12.1-inch SVGA TFT1335567894411210Note: The table below applies to the models in Group-A(See the 2621 model table on page iii.)No. Descriptio

Note: The table below applies to the models in Group-B(See the 2621 model table on page iii.)No. Description FRU No.6 12.1" LCD FPC Assy. 27L049

13.0-inch SVGA HPA1234542310678911Note: The table below applies to the models in Group-Aand B (See the 2621 model table on page iii.)No. Description

No. Description FRU No.7 LCD Inverter 12.1"/13.0" 10L13808 Cable Asm. of Microphone & Key-board LED Light27L0497Cable Asm. of Microphone

IntroductionImportant Service Information Important Diskette fixes are customer installable. The diskettefixes are located on the PC Company Bulleti

14.1" XGA TFT19344567781022Note: The table below applies to the models in Group-A(See the 2621 model table on page iii.)No. Description FRU No.1

Note: The table below applies to the models in Group-B(See the 2621 model table on page iii.)No. Description FRU No.7 Cable ASM of Microphone & K

KeyboardNo. Description FRU No.LCD Rear Cover ASM 14.1" TFT(NEC LCD)08K6275LCD Rear Cover ASM 14.1" TFT(NEC LCD) (for Japan model)08K63859

Common parts list Tools Miscellaneous Modem cableDescription Vendor FRUNo.Keyboard JAPANESE ALPS 02K5070Keyboard TRAD. CHINESE ALPS 02K5071Keyboard IT

Description FRU No.Modem cable (Portugal) 27L0447Modem cable (US/C, JPN, Twn, APN, LA,Brz)27L0465Modem cable (Australia) 27L0467 ThinkPad i Series

AC adapterPower cords:IBM power cords for a specific countryare usually available only in that country.For 2–pin power cords:For 3–pin power cords:No

IBM powercord partnumber Used in these countries or regions76H3524 Abu Dhabi, Albania, Antigua, Bahrain,Brunei, Dubai, Fiji, Hong Kong, India,Ireland,

Product overviewThe following shows an overview of the system features.Feature DescriptionProcessor Intel** Pentium** III processor 500MHz—or—Intel**

Status indicators: The system-status indicators onthe computer show the current status of your computer bytheir on or off states and colors (green and

21Symbol Color Meaning(1) Battery status Green Enough battery powerremains for operation.BlinkingorangeThe battery pack needsto be chargedOrange The b

View Configuration option) and verify that the settings arein place when service is complete.Hard Disk Drive Replacement Strategy:Always try to run a

Symbol Color Meaning(5) Caps lock Green Caps Lock mode isenabled. All alphabeticcharacters (A-Z) areentered in capital letterswithout the Shift keybei

FRU Applicable testTrackPont orPointing deviceIf the TrackPoint does not work, see ifan external PS/2 mouse is connectedto the mouse/keyboard connecto

FRU removals and replacementsThis section contains information about removals andreplacements of model types in Group-C III (15.0" TFT).For other

grounding by touching a ground point with one hand beforetouching these units.An electrostatic discharge (ESD) strap (P/N: 6405959)must be used to est

CD player panel and CD player controlboard12Step Size (Quantity) Color Torque1 M2.5 x 6L (2) Black 3.2 kgf-cm ThinkPad i Series 1400/1500 115

5346Note: The FPC is connected to the system board by theother end. When removing the CD player paneland CD player control board, release the FPC wit

Warning Do not drop or apply any shock to the hard disk drive.The hard disk drive is sensitive to physical shock.Incorrect handling can cause damage

Memory cover and memory card “Battery assembly” on page 11421Memory coverNote: The screw does not separate from the memorycover.To install the memor

Modem cover and modem card “Battery assembly” on page 11412Note: The screw does not separate from the modemcover.To remove the modem card:1. Disconn

Launch key assembly “Battery assembly” on page 114123Optional customerized sheet 120 ThinkPad i Series 1400/1500 HMM

The following table provides identification information for5.25-inch diskette drives.The following table provides compatibility information for5.25-in

45Power button Notes:1. Adjust the LCD module to the widest angle. Becareful not to scratch the surface of the middle cover.2. Turn the middle cover a

CAUTION:There is a FFC connected to the middle cover. Whenremoving the middle cover, release the FFC withcaution. 7 Left hinge cap “Battery assembly”

Keyboard “Battery assembly” on page 114 “Launch key assembly” on page 120 “Left hinge cap”1234567LargegreenFPCSmallgreenFPCYellowFPCNote: Make su

Notes:1. When replacing the keyboard, make sure that the 3cables are clean and insert them directly into the con-nectors, making sure they make contac

CD-ROM/DVD-ROM assembly “Battery assembly” on page 114 “Launch key assembly” on page 120 “Left hinge cap” on page 122 “Keyboard” on page 123 “Up

34 Caution Do not disassemble the CD-ROM; there are no useradjustments or serviceable parts inside. The use ofcontrols, adjustments or performing pro

12Step Size (Quantity) Color Torque1 M2 x 4L (4) Silver withwasherhead1.6 kgf-cm ThinkPad i Series 1400/1500 127

34Note: Before removing and replacing the PCMCIA holder,make sure that the PCMCIA cards are removedand the eject levers are sticking out.CAUTION:When

23456798Step Size (Quantity) Color Torque6 M2 x 12L (2) Silver 1.6 kgf-cmStep Size (Quantity) Color Torque7 M2.5 x 6L (1) Black 3.2 kgf-cm ThinkPad

LED board assembly and Cable assemblyof microphone “Battery assembly” on page 114 “Launch key assembly” on page 120 “Left hinge cap” on page 122 “

Safety Notice 1Before the computer is powered-on after FRU replace-ment, make sure all screws, springs, or other smallparts are in place and are not l

Safety Notice 4Translation in "Safety Notices: Multilingual Trans-lations" section: The backup battery is a lithium batteryand can cause a f

Memory cover123132 ThinkPad i Series 1400/1500 HMM

5467CAUTION:The upper cover has several latches. When removingthe upper cover from the bottom cover, gently releasethese latches, then raise the side

Diskette drive assembly “Battery assembly” on page 114 “Launch key assembly” on page 120 “Left hinge cap” on page 122 “Keyboard” on page 123 “Upp

3 Fan assembly “Battery assembly” on page 114 “Launch key assembly” on page 120 “Left hinge cap” on page 122 “Keyboard” on page 123 “Upper heat s

 “LCD assembly” on page 128 “LED board assembly and Cable assembly ofmicrophone” on page 130 “Keyboard bezel” on page 131 “Fan assembly” on page 1

67Notes:1. When removing the system board from the bottomcover, gently raise the side of the system boardfacing the rear I/O ports; then pull out the

LCD bezel assembly (15.0") “Battery assembly” on page 114 “Launch key assembly” on page 120 “Left hinge cap” on page 122 “Keyboard” on page 1

 The LCD front cover has several latches.Release these latches; then remove the LCDcover. Be careful not to break these latches. Gently push the two

LCD bracket hinge assembly (15.0") “Battery assembly” on page 114 “Launch key assembly” on page 120 “Left hinge cap” on page 122 “Keyboard” o

Safety Notice 2Some standby batteries contain a small amount ofnickel and cadmium. Do not disassemble it, rechargeit, throw it into fire or water, or

 “LCD inverter (15.0")” on page 139 “LCD bracket hinge assembly (15.0")” on page 14012Speaker assembly (15.0") “Battery assembly” on

Parts list (ThinkPad i Series 1400/1500)134567891011121314151617192021221822-aNote: The table below applies to the models in Group-CI, II, and IV. (S

No. Description FRU No.Middle Cover & Launch Key ASM14.1" (for Japan)08K6054Middle Cover & Launch Key ASM12.1"/13.0"08K5869Midd

No. Description FRU No.Kitting, HDD (HDD adapter, HDDbracket (for 9.5mm HDD), HDDbracket (for 12.5mm HDD), screw x2))08K586120 RTC Battery 11J859121 F

No. Description FRU No.Miscellaneous Kit (for Japan)Right Hinge Cap 12.1"/13.0"12.1" LCD FPC Holder12.1" Top Bracket * 2Right Hing

13123456789101112141516171819202122232425Note: The table below applies to the models in Group-CIII. (See the 2621 model table on page iii.)146 ThinkP

No. Description FRU No.1 15.0" Hinge Cap ASM 08K638015.0" Hinge Cap ASM (for Japanmodel)08K63912 Pointing Stick Caps 84G65363 Upper Heat sin

No. Description FRU No.19 Lid S/W ASM 08K587120 CD Control Panel 08K587621 HDD Module ASM 6.0 GB (IBM) 05K9250HDD Module ASM 9.0 GB (IBM) 05K9252HDD M

LCD FRUNo. Description FRU No.Miscellaneous Pack (for Japan)Right Hinge Cap 12.1"/13.0"12.1" LCD FPC Holder12.1" Top Bracket * 2R

12.1-inch SVGA TFT1335567894411210Note: The table below applies to the models in Group-CI. (See the 2621 model table on page iii.)No. Description FRU

Safety Notice 3The battery pack contains small amounts of nickel. Donot disassemble it, throw it into fire or water, or short-circuit it. Dispose of t

No. Description FRU No.5 Speaker ASM (R,L) 08K63746 12.1" LCD FPC Assy. 27L049412.1" LCD FPC Assy. (for Japanmodel)27L05367 Cable Asm. of Mi

13.0-inch SVGA HPA1234542310678911Note: The table below applies to the models in Group-CIV. (See the 2621 model table on page iii.)No. Description FR

14.1–inch XGA TFT19344567781022No. Description FRU No.7 LCD Inverter 13.0" 10L13808 Cable Asm. of Microphone 27L0497Cable Asm. of Microphone (for

Note: The table below applies to the models in Group-CII. (See the 2621 model table on page iii.)No. Description FRU No.1 LCD BEZEL ASM 14.1" 08

15.0–inch XGA TFT1234356789Note: The table below applies to the models in Group-CIII. (See the 2621 model table on page iii.)No. Description FRU No.1

KeyboardNo. Description FRU No.Cable ASM of Microphone & Key-board LED Light for 15.0" LCD (forJapan model)27L0541LG/IBM Logo Kit 08K5860Des

Common parts list Tools Miscellaneous Modem cable AC adapterDescription Vendor FRUNo.Keyboard PORTUGUESE ALPS 02K5075Keyboard BELGIAN ALPS 02K5076Keyb

Power cords:IBM power cords for a specific countryare usually available only in that country.For 2–pin power cords:For 3–pin power cords:Note: The gr

IBM powercord partnumber Used in these countries or regions76H3524 Abu Dhabi, Albania, Antigua, Bahrain,Brunei, Dubai, Fiji, Hong Kong, India,Ireland,

NoticesReferences in this publication to IBM products, programs,or services do not imply that IBM intends to make theseavailable in all countries in

Safety Notice 4The lithium battery can cause a fire, explosion, orsevere burn. Do not recharge it, remove its polarizedconnector, disassemble it, heat

TrademarksThe following terms are trademarks or service marks ofIBM Corporation in the United States and other countries:IBMPS/2ThinkPadTrackPointTra

IBMPart Number: 09N8606Printed in U.S.A.Sð9N-1ð84-ð1

Safety Notice 5If the LCD breaks and the fluid from inside the LCDgets into your eyes or on your hands, immediatelywash the affected areas with water

Safety Notice 6To avoid shock, do not remove the plastic cover thatsurrounds the lower portion of the inverter card.Afin d'éviter tout risque de

S09N-1084-01IBM Mobile SystemsThinkPad i Series 1400/1500 (2621, 2651) Hardware MaintenanceManual February 2000 IBM

Safety Notice 8Before removing any FRU, power-off the computer,unplug all power cords from electrical outlets, removethe battery pack, then disconnect

 Before you start the machine, ensure that otherservice representatives and the customer's personnelare not in a hazardous position. Place remo

– Working near power supplies– Removing or installing main units Before you start to work on the machine, unplug thepower cord. If you cannot unplug

– Motor generators and similar units. (This practice ensures correctgrounding of the units.) If an electrical accident occurs:– Use caution; do not

6. Check inside the unit for any obvious unsafe condi-tions, such as metal filings, contamination, water orother liquids, or signs of fire or smoke da

Grounding Requirements: Electrical grounding ofthe computer is required for operator safety and correctsystem function. Proper grounding of the electr

CAUTION:Use of controls or adjustments or performance of pro-cedures other than those specified herein might resultin hazardous radiation exposure.O u

DANGERLaser radiation when open. Do not stare intothe beam, do not view directly with opticalinstruments, and avoid direct exposure to thebeam.Radiaçã

Read this firstBefore you go to the check procedures, be sure to readthis section.Important Notes Only certified trained personnel should servicethe

Before checking problems with the computer, determinewhether the damage is covered under the warranty byreferring to the following:Note for Warranty:F

Before using this information and the product it supports,be sure to read the general information under“Introduction” on page 2, and “Read this first

FRU replacement noticesThis section contains notices for removal and replacement.Read this section carefully before replacing any FRU.LCD replacement

Turn an additional 180 degrees after the screw headtouches the surface of the plastic part:  Torque driverIf you have a torque driver, refer to the

Note: The system unit serial number is written in the labelattached on bottom of the computer. Bios LevelsAn incorrect level of BIOS can cause false

Related service informationThis section provides information about the following: “Power button as reset switch” “Running a low-level format” “Serv

Removing the power-on and setup pass-words: Removing the power-on and setup passwords:Do the following to remove the passwords::1. Power off the compu

14. Select None.15. Save the changes, and exit the BIOS Utility menu.16. Power off the computer.17. Disconnect the AC Adapter.18. Remove the keyboard

Hibernation mode: When in hibernation mode, thefollowing occurs: The system status, RAM, VRAM, and setup data arestored on the hard disk. The system

Checkout guideUse the following procedure as a guide for computer prob-lems.Note: The diagnostic tests are intended to test only IBMproducts. Non-IB

FRU, such as the flexible cable, has noproblem by doing the following:a. Replace each peripheral FRU one at atime, and run the test again.b. If the pe

 DOS Shell Tech Support Form  Battery Rundown View Test Log  Print Log  Save Log Full Erase Hard Drive Quick Erase Hard DrivePower system

PrefaceAbout this manualThis manual contains service and reference information forIBM ThinkPad i Series 1400/1500 (2621) products. Usethis manual al

If the voltage is not correct, replace the AC Adapter.If the voltage is within the range, do the following: Replace the DC-DC & BATT board. Repl

1234567Note: Signal lines, not used in these steps, are usedfor communications between the system andthe battery.3. First, discharge the battery, unt

Symptom-to-FRU IndexThe Symptom-to-FRU Index lists the symptoms and errorsand the possible causes. The most likely cause is listedfirst.Note: Perfor

ErrorCodeMessage FRU/Action in Sequence072 CMOSChecksumError 1Enter BIOS Utility andexecute "Load SetupDefault Settings"; thenreboot the sys

Symptom/Error FRU/Action in SequenceUnreadable LCDscreen.Missing pels in char-acters.Abnormal screenWrong color dis-played. Reseat LCD connector Che

Symptom/Error FRU/Action in SequenceThe system doesn'tpower on. Go to “Power systemscheckout” on page 30.  AC Adapter  Battery DC/DC &

PC Card (PCMCIA)-Related SymptomsSymptom/Error FRU/Action in SequenceSystem cannot detectthe PC Card(PCMCIA) PC Card (PCMCIA) slotsassembly  System

Symptom/Error FRU/Action in SequencePrinter problems.  Run printer self-test.  Printer driver  Printer cable Ensure that "Parallel Port&quo

2. Check the cables, wires, and connectors for short cir-cuits and open circuits. Visually check them fordamage. If any problems are found, replace th

Locations Front View 1. LCD latches2. Keyboard Light (available on select models only) 3. LCD 4. Speakers5. Keyboard Light switch (available on se

Important This manual is intended for trained servicers who arefamiliar with ThinkPad products. Use this manualalong with the advanced diagnostic t

112131415161718192021232425261344562271110982Note: 15" LCD has different locations of speakers, micro-phone and status indicator. The speakers a

2. Mouse/keyboard (PS/2) connector 3. Telephone connector 4. Serial connector 5. Parallel connector 6. Security keyhole7. Universal serial bus (US

Switch LocationsThere are two switches found on the system board. Referto the figure below on how to set these switches.EnglishJapaneseGermanPin 3

Product overviewThe following shows an overview of the system features.Note: The table below applies to the models in Group-A(See the 2621 model tab

Note: The table below applies to the models in Group-B(See the 2621 model table on page iii.)Feature DescriptionAC Adapter 56–Watt typeFeature Descri

Status indicators: The system-status indicators onthe computer show the current status of your computer bytheir on or off states and colors (green and

Symbol Color Meaning(1) Battery status Green Enough battery powerremains for operation.BlinkingorangeThe battery pack needsto be chargedOrange The bat

FRU tests: The following table shows the applicabletest for each FRU using PC-Doctor.FRU Applicable testSystem board 1. CPU/Coprocessor (Diagnostics

FRU Applicable testMemory 1. If a DIMM is installed, remove itand run Memory Test-Quick(Diagnostics)2. If the problem does not recur,replace the DIMM

FRU removals and replacementsThis section contains information about removals andreplacements. Do not damage any parts. Only certified and trainedper

Diskette Part, Form NumberThinkPad 300 (2615) AdvancedDiagnostics Diskette33G9361, S33G-9361ThinkPad 350, 350C, 425,425C (2618) Advanced Diag-nostics

An electrostatic discharge (ESD) strap (P/N: 6405959)must be used to establish personal grounding. Battery assembly132Note: When install a new batter

2534Step Size (Quantity) Color Torque1 M2.5 x 6L (2) Black 3.2 kgf-cm52 ThinkPad i Series 1400/1500 HMM

6Note: The FPC is connected to the system board by theother end. When removing the CD player paneland CD player control board, release the FPC withca

Hard disk drive kitting pack “Battery assembly” on page 51 “CD player panel and CD player control board” onpage 51 “Hard disk drive assembly” on p

Note: The screw does not separate from the memorycover.To install the memory card:With the notched end of the memory card toward the rightside of the

132When reinserting the card, reverse the procedures above.Middle cover and launch key assembly “Battery assembly” on page 51156 ThinkPad i Series 14

23Optional customerized sheet Power button54 6Step Size (Quantity) Color Torque1 M2 x 4L (2) Silver 1.6 kgf-cm ThinkPad i Series 1400/1500 57

7 89Turn overStick Step Size (Quantity) Color Torque3 M2.5 x 3.5L (2) Black 3.2 kgf-cm58 ThinkPad i Series 1400/1500 HMM

Notes:1. Adjust the LCD module to the widest angle. Becareful not to scratch the surface of the middle cover.2. Turn the middle cover and launch key a

Keyboard “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 561234567LargegreenFPCSmallgreenFPCYellowFPCNote: Make sure

vi ThinkPad i Series 1400/1500 HMM

Notes:1. When replacing the keyboard, make sure that the 3cables are clean and insert them directly into the con-nectors, making sure they make contac

4 CD-ROM/DVD-ROM assembly “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60 “Upper heat sink”

1234 Caution Do not disassemble the CD-ROM; there are no useradjustments or serviceable parts inside. The use ofcontrols, adjustments or performing p

12Step Size (Quantity) Color Torque1 M2 x 4L (4) Silver withwasherhead1.6 kgf-cm64 ThinkPad i Series 1400/1500 HMM

3Note: Before removing and replacing the PCMCIA holder,make sure that the PCMCIA cards are removed.CAUTION:When removing the PCMCIA holder, pull them

432 Backup battery “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60 “Upper heat sink” on page

Safety Notice 4Translation in "Safety Notices: Multilingual Trans-lations" section: The backup battery is a lithium batteryand can cause a f

354Step Size (Quantity) Color Torque1 M2.5 x 6L (4) Black 3.2 kgf-cm2 M2.5 x 3.5L (2) Black 3.2 kgf-cm68 ThinkPad i Series 1400/1500 HMM

76FragileCAUTION:The upper cover has several latches. When removingthe upper cover from the bottom cover, gently releasethese latches, then raise the

23 Fan assembly “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60 “Upper heat sink” on page 61

ContentsPreface . . . . . . . . . . . . . . . . . . . . . iiiThinkPad i Series 1400/1500 Hardware MaintenanceManual . . . . . . . . . . . . . . .

132DC-DC charger board “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60 “Upper heat sink” on

System board “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60 “Upper heat sink” on page 61

Bottom case “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60 “Upper heat sink” on page 61 “

223947685Note: When removing the LCD, take note of thefollowing: Be careful not to scratch the LCD cover whenremoving the screw covers. The LCD fro

123210489567Note: When removing the LCD, take note of thefollowing: Be careful not to scratch the LCD cover whenremoving the screw covers. The LCD

 Gently push the two hooks outward to removethe LCD front cover.LCD bezel assembly (14.1") “Battery assembly” on page 51 “Middle cover and lau

48975610Note: When removing the LCD, take note of thefollowing: Be careful not to scratch the LCD cover whenremoving the screw covers. The LCD fron

23Right speakerLeft speakerMicrophone546LED board (13.0") “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Key

32Right speakerLeft speakerMicrophone546LED board (14.1") “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Key

32465LightRight speakerLeft speakerMicrophoneLCD inverter (12.1") “Battery assembly” on page 51 “Middle cover and launch key assembly” on page

Product overview . . . . . . . . . . . . . . . 44FRU removals and replacements ... 50Parts list (ThinkPad i Series 1400/1500) ..

423LCD inverter (13.0") “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60 “LCD assembly”

1243Cable assembly of microphone (12.1") “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60

Cable assembly of microphone (14.1") “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60 “L

1Step Size (Quantity) Color Torque1 M3 x 5L(3) Silver 3.2 kgf-cm84 ThinkPad i Series 1400/1500 HMM

3254LCD bracket hinge assembly, speakerassembly and LCD rear cover assembly(13.0") “Battery assembly” on page 51 “Middle cover and launch key a

 “LED board (13.0")” on page 78 “LCD inverter (13.0")” on page 81 “Cable assembly of microphone (13.0")” on page 821LCD bracket hing

 “Cable assembly of microphone (14.1")” on page 831234Step Size (Quantity) Color Torque1 M2.5 x 6L(2) Black 3.2 kgf-cm2 M2 x 4L(1) Silver 1.6 kg

LCD FPC assembly (12.1") “Battery assembly” on page 51 “Middle cover and launch key assembly” on page 56 “Keyboard” on page 60 “LCD assembly”

 “LCD bezel assembly (14.1")” on page 76 “LED board (14.1")” on page 79 “LCD inverter (14.1")” on page 81 “Cable assembly of microp

Parts list (ThinkPad i Series 1400/1500)134567891011121314151617192021221822-aNote: The table below applies to the models in Group-A(See the 2621 mod