IBM Laptop MT 2632 Manuale Utente

IBM Mobile SystemsThinkPad ComputerHardware Maintenance Manual

Safety notice 3The battery pack contains small amounts of nickel.Do not disassemble it, throw it into fire or water, orshort-circuit it. Dispose of th

Miscellaneous partsFRU P/NScrew kit (including nylon-coated screws):v M2 x 3.6 mm, flat head (3)v M2 x 5.1 mm, flat head (5)v M2 x 5.7 mm, flat head (

FRU P/NMiscellaneous parts, for diskette drive:v Bezelv Bracketv Flexible cablev Screw caps04P3967Miscellaneous parts, for LCD:v Latch (right/left)v S

Optional FRUs64-MB SDRAM SO DIMM 20L0264128-MB SDRAM SO DIMM 20L0265AC adapter (72W), 3-pin (ASTEC) 02K6666AC adapter (72W), 3-pin (DELTA) 02K6670AC a

Common parts listToolsTriconnector wrap plug 72X8546PC test card 35G4703Audio wrap cable 66G5180USB parallel test cable 05K2580Screwdriver kit 95F3598

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

NoticesThinkPad A21e 101

Part Number: 06P8883Printed in U.S.A.(1P) P/N: 06P8883

Safety notice 4The lithium battery can cause a fire, an explosion,or a severe burn. Do not recharge it, remove itspolarized connector, disassemble it,

Continuation of Safety notice 4La batería de repuesto es una batería de litio ypuede provocar incendios, explosiones oquemaduras graves. No la recargu

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 thatprotects the lower part of the inverter card.Afin d’éviter tout risque de choc élec

Safety notice 8Before removing any FRU, power off the computer,unplug all power cords from electrical outlets,remove the battery pack, and then discon

Safety informationThe following section contains the safety information thatyou need to be familiar with before servicing an IBMmobile computer.Genera

Electrical safetyObserve the following rules when working on electricalequipment.ImportantUse only approved tools and test equipment. Somehand tools h

safety sections of maintenance information. Useextreme care when measuring high voltages.v Regularly inspect and maintain your electrical hand toolsfo

To determine whether there are any potentially unsafeconditions, use the following checklist at the beginning ofevery service task. Begin the checks w

NoteBefore using this information and the product itsupports, be sure to read the general informationunder “Notices” on page 100.Second Edition (Decem

v Prevent the part from touching your clothing. Mostclothing is insulative and retains a charge even whenyou are wearing a wrist strap.v Use the black

When a CD-ROM drive or DVD drive is installed, note thefollowing:Use of controls or adjustments or performanceof procedures other than those specified

Some CD-ROM drives or DVD drives contain anembedded Class 3A or Class 3B laser diode. Note thefollowing:Emits visible and invisible laser radiation wh

General descriptionsThis chapter includes descriptions for any ThinkPad modelthat has the PC-Doctor DOS diagnostics program. Somedescriptions might no

__ 6. Procedure index and page number in which thefailing FRU was detected__ 7. Failing FRU name and part number__ 8. Machine type, model number, and

Related service informationThis section provides information about the following:v “Service Web site”v “Using Recovery CD”v “Passwords” on page 22v “P

8. If a menu appears asking which operating system toinstall, highlight proper operating system and press“ENTER”.9. A menu will appear stating “Full R

without knowing the password, nobody can change theconfiguration of the computer.AttentionIf the SVP has been forgotten, there is no way toreset it.Ho

To remove the user HDP that you have forgotten, do thefollowing:1. Power on the computer by pressing and holding F1.2. Enter the SVP. The IBM BIOS Set

Will not suspend even if LCD is closed in the PowerManagement Properties window. Then only the LCDturns off.)In certain circumstances, the computer go

ContentsIntroduction ...1Important service information ...1Strategy for replacing FRUs ...1How to use error messages ...2Dis

v The system status, RAM, VRAM, and setup data arestored on the hard disk.v The system is powered off.Notes:The computer cannot enter hibernation mode

Checkout guideUse the following procedures as a guide in identifying andcorrecting problems with the ThinkPad computer.Note: The diagnostic tests are

If an error code appears, go to “Symptom-to-FRUindex” on page 41.On the first screen, select the model and press Enter.Follow the instructions on the

To cancel the test, press Esc.Note: After executing PC-Doctor, check the systemtime/date and reset them if needed.Detecting system information withPC-

v “Checking the backup battery” on page 32Checking the ac adapterYou are here because the computer fails only when the acadapter is used:v If the powe

Checking the battery packBattery charging does not start until the Power Metershows that less than 95% of the total power remains;under this condition

for Nickel metal hydride battery;v If the voltage is more than +8.0 V dc, measure theresistance between battery terminals 4 and 5. Theresistance must

ThinkPad A21eProduct overview ...35Specifications ...35Status indicators ...36FRU Tests ...38Fn key combinations .

12.1-in. SVGA TFT ...9314.1-in. XGA TFT ...9315.0-in. XGA TFT ...9315.0-in. XGA TFT (LG) ...94Keyboard ...95Miscell

Product overviewThis section presents the following product-uniqueinformation:v “Specifications”v “Status indicators” on page 36v “FRU Tests” on page

1060 Ultrabay 2000 device ...581070 Keyboard ...601080 Keyboard CRU insulator ...631090 Hinge cover ...641100 Keyboard bezel

Status indicatorsThe system status indicators show the status of thecomputer, as follows:Indicator Meaning1 Battery Green: The battery is fully char

Indicator Meaning3 Drive in use Green: Data is being read from orwritten to the hard-disk drive,the diskette drive, or the drivein the Ultrabay 2000

FRU TestsThe following table shows the test for each FRU.FRU Applicable testSystem board 1. Diagnostics --> CPU/Coprocessor2. Diagnostics --> Sy

FRU Applicable testDiskette drive 1. Diagnostics --> Diskette Drives2. Interactive Tests --> DisketteCD-ROM orDVD drive1. Diagnostics --> Oth

Fn key combinationsThe following table shows the function of each combinationof Fn with a function key.The Fn key works independently from the operati

Symptom-to-FRU indexThe symptom-to-FRU index in this section lists symptomsand errors and their possible causes. The most likelycause is listed first,

Symptom or error FRU or action, in sequence0190Critical low battery error.1. Charge the battery pack.2. Battery pack.0200Hard disk error — The harddis

Symptom or error FRU or action, in sequence0280Previous boot incomplete —Default configuration used.1. Load Setup Defaults inIBM BIOS Setup Utility.2.

Error messagesSymptom or error FRU or action, in sequenceDevice address conflict. 1. Load Setup Defaults inIBM BIOS Setup Utility.2. Backup battery.3.

Beep symptomsSymptom or error FRU or action, in sequenceOne beep and a blank,unreadable, or flashing LCD.1. Reseat the LCDconnector.2. LCD assembly.3.

IntroductionImportant service informationImportantDiskette fixes are customer-installable. The diskettefixes are posted on the IBM support site(http:/

LCD-related symptomsImportantThe TFT LCD for the notebook computer containsmany thin-film transistors (TFTs). A small number ofdots that are missing,

3. If any error is detected, replace the FRU shown by theFRU code. Rerun the test to verify that no more errorsexist.Undetermined problemsYou are here

v They are harder to tighten.v They should be used only once.Do the following when you service this machine:v Keep the screw kit (for reference the P/

Restoring the serial number of the systemunitWhen the computer was manufactured, the EEPROM onthe system board was loaded with the serial numbers ofth

Removing and replacing a FRUThis section presents information and drawings for use inremoving and replacing a FRU. Be sure to observe thefollowing gen

1010 Battery packCAUTION:If the rechargeable battery pack is incorrectly replaced,there is danger of an explosion. The battery packcontains a small am

1020 DIMMNote: Loosen the screw 1, but do not remove it.When installing: With the notched end of the DIMMtoward the socket, insert the DIMM intothe

1030 Mini PCI adapterNote: Loosen the screw 1, but do not remove it.21(continued)v Battery pack (1010)Removing and replacing a FRUThinkPad A21e 53

Note: The illustration shows the combo card. Connector(A) is for the LAN feature and (B) is for the modemfeature. This slot also supports a Mini PCI m

1040 Backup batteryCAUTION:There is a danger of an explosion if the backup batteryis incorrectly replaced. The lithium battery (IBM P/N02K6572 UL-reco

AttentionThe setup configuration on the computer you areservicing may have been customized. RunningAutomatic Configuration may alter the settings. Not

1050 Hard-disk driveAttentionDo not drop or apply any shock to the hard-diskdrive. The hard-disk drive is sensitive to physicalshock. Incorrect handli

When installing: Make sure that the HDD connector isfirmly connected.Removing and replacing a FRUThinkPad A21e 57

1060 Ultrabay 2000 deviceAny of several devices can be inserted into the Ultrabay2000. The procedure for installing and removing is thesame for every

(continued)Removing and replacing a FRUThinkPad A21e 59

1070 Keyboard11Step Screw (quantity) Torque1 M2.5 × 15 mm, nylon-coated (3) 39.2 Ncm(4 kgfcm)(continued)v Battery pack (1010)v Hard-disk drive (1050

(continued)Removing and replacing a FRUThinkPad A21e 61

When installing: When installing the keyboard, do asfollows:1. Install the new keyboard, following the directions in thefigure. Make sure that the key

1080 Keyboard CRU insulatorv Battery pack (1010)v Hard-disk drive (1050)v Ultrabay 2000 device (1060)v Keyboard (1070)Removing and replacing a FRUThin

1090 Hinge coverStep Screw (quantity) Torque1 M2.5 × 15 mm, nylon-coated (1) 39.2 Ncm(4 kgfcm)v Battery pack (1010)v Hard-disk drive (1050)v Ultraba

1100 Keyboard bezel and speakerStep Screw (quantity) Torque1 M2.5 × 4.8 mm, nylon-coated (7) 39.2 Ncm(4 kgfcm)(continued)v Battery pack (1010)v Hard

Safety notices: multilingual translationsIn this manual, safety notices appear in English with apage number reference to the appropriate translation i

Step Screw (quantity) Torque2 M2.5 × 15 mm, nylon-coated (2) 39.2 Ncm(4 kgfcm)Cable routing: When replacing the cable, see thepreceding figure for i

1110 Speaker cableWhen installing: Make sure that you fasten the connectorfirmly.v Battery pack (1010)v Hard-disk drive (1050)v Ultrabay 2000 device (

1120 Sub cardStep Screw (quantity) Torque1 Special, nylon-coated (2) —(continued)v Battery pack (1010)v Hard-disk drive (1050)v Ultrabay 2000 device

Step Screw (quantity) Torque2 M2.5 × 4.8 mm, nylon-coated (1) 39.2 Ncm(4 kgfcm)Removing and replacing a FRUThinkPad A21e 69

1130 PC Card slot assemblyStep Screw (quantity) Torque1 M2.0 × 9.5 mm, nylon-coated (2) 24.5 Ncm(2.5 kgfcm)v Battery pack (1010)v Hard-disk drive (1

1140 Fan assemblyStep Screw (quantity) Torque1 M2.5 × 4.8 mm, nylon-coated (3) 39.2 Ncm(4 kgfcm)v Battery pack (1010)v Hard-disk drive (1050)v Ultra

When installing: When installing the fan assembly, applythe thermal grease (05K5751) on thea-part of the fan as shown in thefollowing figure.Removin

1150 Diskette driveNote: Remove the diskette drive spacer 1 gently; it willbe reused when installing the new diskette drive.Step Screw (quantity) To

1160 Upper shieldStep Screw (quantity) Torque1 M2.5 × 15 mm, nylon-coated (2) 39.2 Ncm(4 kgfcm)2 M2.5 × 4.8 mm, nylon-coated (2) 39.2 Ncm(4 kgfcm)

1170 System boardStep Screw (quantity) Torque1 M2.5 × 15 mm, nylon-coated (3) 39.2 Ncm(4 kgfcm)(continued)v Battery pack (1010)v DIMM (1020)v Mini P

Safety notice 2Some standby batteries contain a small amount ofnickel and cadmium. Do not disassemble a standbybattery, recharge it, throw it into fir

Step Screw (quantity) Torque3 M2.5 × 4.8 mm, nylon-coated (2) 39.2 Ncm(4 kgfcm)Removing and replacing a FRU76 ThinkPad A21e

2010 LCD assemblyStep Screw (quantity) Torque1 M2.5 × 4.8 mm, nylon-coated (4) 39.2 Ncm(4 kgfcm)(continued)v Battery pack (1010)v Hard-disk drive (1

Step Screw (quantity) Torque2 Special, nylon-coated (2) —4 M2.5 × 4.8 mm, nylon-coated (2) 39.2 Ncm(4 kgfcm)Removing and replacing a FRU78 ThinkPa

2020 Front bezelStep Screw (quantity) Torque1 M2.5 × 4.8 mm, nylon-coated (2) 39.2 Ncm(4 kgfcm)v Battery pack (1010)v Hard-disk drive (1050)v Ultrab

Note: Only the front bezel for the 15.0-in. XGA TFT (LG)has a identifying mark (V), as in the followingfigure. For reference FRU list, see “15.0-in. X

2030 Inverter card12.1-in. panelStep Screw (quantity) Torque1 M2.5 × 4.8 mm, nylon-coated (1) 39.2 Ncm(4 kgfcm)(continued)v Battery pack (1010)v Har

14.1-in. and 15.0-in. panelsStep Screw (quantity) Torque1 M2.5 × 4.8 mm, nylon-coated (1) 39.2 Ncm(4 kgfcm)Removing and replacing a FRU82 ThinkPad A

2040 LCD panel12.1-in. panelStep MT Screw (quantity) Torque1 2628-Cxx M2.5 × 7.0 mm,nylon-coated (4)39.2 Ncm(4 kgfcm)(continued)v Battery pack (1010

(continued)Removing and replacing a FRU84 ThinkPad A21e

14.1-in. and 15.0-in. panelsStep MT Screw (quantity) Torque1 2628-Jxx M2.0 × 5.7 mm,nylon-coated (4)24.5 Ncm(2.5 kgfcm)(continued)Removing and repla

Continuation of Safety notice 2Alcune batterie di riserva contengono una piccolaquantità di nichel e cadmio. Non smontarle,ricaricarle, gettarle nel f

Note: For 14.1-in. LCD, the LCD cable is taped onto theconnector. Tear off the tape before disconnectingthe LCD cable in step 3.Removing and replaci

LocationsFront view1 System status indicators2 Battery and standby mode status indicators3 Built-in stereo speakers4 PC Card eject button5 P

Rear view1 Security keyhole2 Parallel connector3 Modem connector4 Network connector5 Serial connector6 External-monitor connector7 Unive

Bottom view1 Battery pack2 Battery pack latches3 Mini PCI card slot4 Docking connector5 DIMM slot6 Stereo headphone jack7 Stereo line-in

Parts listParts list90 ThinkPad A21e

The parts marked with asterisk are CRU (customerreplacable unit).No. FRU P/N1 LCD unit (see “LCD FRU” on page 93)2 Hinge coverfor MT2628-Jxx, -Ixx 04P

No. FRU P/Nb Card modem connector (see “Miscellaneous parts” onpage 96)13 Cover, Mini PCI adapter slot* 08K567314 Battery pack (6 cell), SANYO* 02K661

LCD FRU12.1-in. SVGA TFTFRU P/NLCD cover assembly 08K5655for Korea 08K5659LCD cable 27L0485LCD panel (SANYO) 05K9577Hinges 08K5664Inverter card 08K332

15.0-in. XGA TFT (LG)FRU P/NLCD cover assembly 04P3048for Korea 04P3049LCD cable 27L0578LCD panel (LG) 05K9647Hinges 04P3488Inverter card 08K3326Misc

KeyboardLanguage P/NArabic 02K5476Belgian 02K5470Canadian French 02K5456Chinese, traditional 02K5459Czech 02K5480Danish 02K5467Dutch 02K5464European S