Page 2 - Copyright International Business Machines Corpo-
Before using this information and the product it supports,be sure to read the general information under “Read ThisFirst” on page 19. First Edition (March 1999) The following paragraph does not apply to the UnitedKingdom or any country where such provisions areinconsistent with local law: INTERNATION...
Page 3 - About This Manual; Important; iii
About This Manual This manual contains service and reference information forIBM ThinkPad 390E (2626) products. Use this manualalong with the advanced diagnostic tests to troubleshootproblems effectively. The manual is divided into sections as follows: The Introduction section provides general info...
Page 4 - Related Publications; iv
Related Publications The following product publications are available throughIBM or your IBM Authorized Dealer. Publication Part, Form Number Mobile Systems HMMVolume 1: Laptop, Note-book, Portable, andThinkPad Computers(Models L40, CL57, N45,N51, P70/P75, ThinkPad300, 350, 500, 510, 710T,Expansion ...
Page 5 - Related Diskettes
Related Diskettes The following diskettes are available through IBM or yourIBM Authorized Dealer. Diskette Part, Form Number ThinkPad 300 (2615)Advanced DiagnosticsDiskette 33G9361, S33G-9361 ThinkPad 350, 350C, 425,425C (2618) AdvancedDiagnostics Diskette A211000, GA21-1000 ThinkPad 365 (2625)Advan...
Page 7 - Contents; ThinkPad 390E Hardware Maintenance Manual; vii
Contents Introduction . . . . . . . . . . . . . . . . . . . 1 Important Service Information . . . . . . . . . . . 1 How to Use Error Messages . . . . . . . . . . 2 How to Read POST Error Messages . . . . . . 2 Drive and Diskette Compatibility Matrix . . . . . . . 3 Safety Notices (Multi-lingual Tran...
Page 8 - viii
Flash UUID . . . . . . . . . . . . . . . . . . 49 Running the Diagnostics . . . . . . . . . . . . . . 50 PC Doctor System Diagnostics . . . . . . . . . 51 FRU Removals and Replacements . . . . . . . . . 60 FRU Service Procedures . . . . . . . . . . . . 61 Battery ASM . . . . . . . . . . . . . . . . ...
Page 9 - ix
Service Tools . . . . . . . . . . . . . . . . 118 Notices . . . . . . . . . . . . . . . . . . . . . 119 Trademarks . . . . . . . . . . . . . . . . . . 119 Contents ix
Page 11 - Important Service Information; FRU Replacement Strategy; Before Replacing Parts
Introduction Important Service Information Important Diskette fixes are customer installable. The diskettefixes are located on the PC Company Bulletin BoardService (BBS). The direct phone line for modem con-nection is 919-557-0001 or tieline 255-0001. Advise customers to contact the PC CompanyHelpCe...
Page 12 - Hard Disk Drive Replacement Strategy:; Attention; How to Use Error Messages
Attention A customized setup configuration (other than defaultsettings) may exist on the computer you are servicing.Running Automatic Configuration may alter those set-tings. Note the current configuration settings (usingthe View Configuration option) and verify that the set-tings are in place when ...
Page 13 - Drive and Diskette Compatibility Matrix; Note: A 360KB diskette written to or formatted on a
Drive and Diskette Compatibility Matrix The following table provides identification information for3.5-inch drives. DisketteDrive IdentifyingMark 3.5-Inch - 1.44MB 1.44 on the eject button 3.5-Inch - 2.88MB 2.88 on the eject button The following table provides compatibility information for3.5-inch d...
Page 14 - Safety Notice 1
Safety Notices (Multi-lingualTranslations) In this manual, safety notices appear in English with apage number reference to the appropriate multi-lingual,translated safety notice found in this section. The following safety notices are provided in English,French, German, Italian, and Spanish languages...
Page 15 - Safety Notice 2
Safety Notice 2 Some standby batteries contain a small amount ofnickel and cadmium. Do not disassemble it, rechargeit, throw it into fire or water, or short-circuit it. Disposeof the battery as required by local ordinances or regu-lations. Use only the battery in the appropriate partslisting. Use of...
Page 16 - Safety Notice 3
Safety Notice 3 The battery pack contains small amounts of nickel.Do not disassemble it, throw it into fire or water, orshort-circuit it. Dispose of the battery pack asrequired by local ordinances or regulations. Use onlythe battery in the appropriate parts listing whenreplacing the battery pack. Us...
Page 17 - Safety Notice 4
Safety Notice 4 The lithium battery can cause a fire, explosion, orsevere burn. Do not recharge it, remove its polarizedconnector, disassemble it, heat it above 100°C(212°F), incinerate it, or expose its cell contents towater. Dispose of the battery as required by localordinances or regulations. Use...
Page 18 - Safety Notice 5
Safety Notice 5 If the LCD breaks and the fluid from inside the LCDgets into your eyes or on your hands, immediatelywash the affected areas with water for at least 15minutes. Seek medical care if any symptoms from thefluid are present after washing. Si le panneau d'affichage à cristaux liquides se b...
Page 20 - Safety Notice 8
Safety Notice 8 Before removing any FRU, power-off the computer,unplug all power cords from electrical outlets, removethe battery pack, then disconnect any interconnectingcables. Avant de retirer une unité remplaçable en clientèle,mettez le système hors tension, débranchez tous lescordons d'alimenta...
Page 22 - Electrical Safety
Electrical Safety Observe the following rules when working on electricalequipment. Important Use only approved tools and test equipment. Somehand tools have handles covered with a soft materialthat does not insulate you when working with live elec-trical currents. Many customers have, near their equ...
Page 23 - Send another person to get medical aid.; Safety Inspection Guide
Regularly inspect and maintain your electrical handtools for safe operational condition. Do not use worn or broken tools and testers. Never assume that power has been disconnectedfrom a circuit. First, check that it has been powered-off. Always look carefully for possible hazards in yourwork...
Page 25 - Notes; Note; Grounding Requirements
Handling ElectrostaticDischarge-Sensitive Devices Any computer part containing transistors or integrated cir-cuits (ICs) should be considered sensitive to electrostaticdischarge (ESD). ESD damage can occur when there is adifference in charge between objects. Protect against ESDdamage by equalizing t...
Page 26 - Laser compliance statement
Laser compliance statement Some IBM Personal Computer models are equipped fromthe factory with a CD-ROM drive. CD-ROM drives arealso sold separately as options. The CD-ROM drive is alaser product. The CD-ROM drive is certified in the U.S. toconform to the requirements of the Department of Healthand ...
Page 29 - Read This First; Important Notes; What to Do First
ThinkPad 390E HardwareMaintenance Manual Read This First Before you go to the checkout guide, be sure to read thissection. Important Notes Only certified trained personnel should servicethe computer. Read the entire FRU service procedures beforereplacing any FRUs. Use new nylon-coated screws w...
Page 30 - How to Disable the Password
7. Failing FRU name and part number 8. Machine type, model number and serial number 9. Customer's name and address Before checking problems with the computer, determinewhether or not the damage applies to the warranty byreferring to the following: Note for Warranty: During the warranty period, the c...
Page 32 - Product Overview
Product Overview The following shows an overview of the system features ofthe ThinkPad 390E computer. Feature Description Processor Intel** Mobile Pentium** IIprocessor 300 MHz, L2 cache Intel** Mobile Pentium** IIprocessor 333 MHz, L2 cache Intel** Mobile Celeron**processor 300 MHz, L2 cache ...
Page 34 - Fn Key Combinations
Fn Key Combinations The following table shows the Fn key and function keycombinations and their corresponding functions. The Fn key works independently of the operating system.The operating system obtains the status through thesystem management interface to control the system. Fn + Result F2 Fuel-Ga...
Page 35 - Status Indicators
Status Indicators The system status LED indicators show the current com-puter status. The following shows the location of each indi-cator symbol and the meaning of each indicator. Symbol Color Meaning (1) Battery status Green Enough battery powerremains for operation. Blinkingorange The battery pack...
Page 37 - Checkout Guide; Note: The diagnostic tests are intended to test only IBM; Note: To run the diagnostics, refer to “Running the
Checkout Guide Use the following procedure as a guide for computer prob-lems. Besides the checkout tests described in this section,there are other items you can test for using the PC Doctordiagnostics program. See “PC Doctor System Diagnostics”on page 51 for details. Note: The diagnostic tests are i...
Page 39 - Fan ASM Checkout
3. Select CD-ROM/DVD Test. 4. Follow the instructions in the message window. If an error occurs, reseat the connector on the systemboard. If the error still remains: 1. Reseat the Combobay ASM. 2. Reseat the CD-ROM ASM. 3. Replace the CD-ROM ASM. 4. Replace the Combobay Interposer card ASM. 5. Repla...
Page 40 - Note: Remove the external keyboard if the internal key-
Keyboard and Auxiliary Input DeviceCheckout Note: Remove the external keyboard if the internal key- board is to be tested. If the internal keyboard does not work or an unexpectedcharacter appears, make sure that the flexible cableextending from the keyboard is correctly seated in the con-nector. If ...
Page 41 - Memory Checkout; Note: Make sure that the DIMM is properly installed into; System Programs in Flash Memory:
Memory Checkout DIMM are available for increasing memory capacity. Memory errors might stop system operation, show errormessages on the screen, or hang the system. Use the following procedure to isolate memory problems: 1. Boot from and start PC Doctor. (See “PC Doctor System Diagnostics” on page 51...
Page 42 - Modem Board Checkout; Run Modem Loopback Test and Modem
Modem Board Checkout Do the following to isolate the problem to the systeminternal modem: 1. Boot from and start PC Doctor. (See “PC Doctor System Diagnostics” on page 51 for details.) 2. Select Diagnostics. 3. Select Other Devices. 4. Run Modem Loopback Test and Modem Dialtone/DTMF Test. 5. Follow ...
Page 43 - Power System Checkout; Checking the AC Adapter:; Note: An audible noise from the AC Adapter does not
Power System Checkout To verify the symptom of the problem power on the com-puter using each of the following power sources: 1. Remove the battery ASM. 2. Connect the AC Adapter and check that power is sup- plied. 3. Disconnect the AC Adapter and install the charged battery ASM; then check that powe...
Page 44 - Checking the Operational Charging:; Checking the Battery ASM:; Note: Signal lines, not used in these steps, are used
Checking the Operational Charging: To check operational charging, use a discharged battery pack(Battery ASM) or a Battery ASM that has less than 50% ofthe total power remaining when installed in the computer. Perform operational charging. If the battery status indicatordoes not turn on, remove the B...
Page 45 - TrackPoint Checkout
TrackPoint Checkout If the external mouse is connected, the TrackPoint doesnot work. In this case, please detach the external mouse tocheck the TrackPoint. If this does not correct the TrackPoint problem, continuewith the following. After you use the TrackPoint, the pointer drifts on thescreen for a...
Page 46 - Power Management Features
Power Management Features Three power management modes are available in the com-puter system to reduce power consumption and to prolongbattery life. Standby Mode: In standby mode, the following occurs: The LCD backlight turns off. The audio amplifier turns off. (Fn+F3) Events that cause the comp...
Page 47 - How to Create the Hibernation Function:
The computer also exits suspend mode when timer condi-tions are satisfied for entering hibernation mode. Hibernation Mode: For Windows NT or OS/2 users: A Windows NT or OS/2 user cannot create a hibernationfile in a Windows NT or OS/2 system that uses theNTFS/HPFS format system. If you want to use h...
Page 50 - Numeric Error Codes
Numeric Error Codes The following is a list of the message that the BIOS candisplay. Most of them occur during POST. Some of themdisplay information about a hardware device, e.g., theamount of memory installed. Others may indicate aproblem with a device, such as the way it has been config-ured. Foll...
Page 53 - Error Messages; No Beep Symptoms
Error Messages Symptom/Error FRU/Action in Sequence DeviceAddress Con-flict 1. Load Setup Defaults in BIOS Setup Utility. 2. Backup battery (RTC) 3. System board AllocationError for:device 1. Load Setup Defaults in BIOS Setup Utility. 2. Backup battery (RTC) 3. System board Failing Bits:nnnn 1. DIMM...
Page 54 - LCD-Related Symptoms; Keyboard-Related Symptoms; Indicator-Related Symptoms; Power-Related Symptoms
Symptom/Error FRU/Action in Sequence No beep duringPOST but systemruns correctly. Speaker LCD-Related Symptoms Symptom/Error FRU/Action in Sequence LCD backlight notworking LCD too dark LCD brightnesscannot be adjusted LCD contrast cannotbe adjusted 1. Reseat the LCD connector. 2. Check the LCD inve...
Page 55 - Speaker-Related Symptoms; Power Management-Related Symptoms
Symptom/Error FRU/Action in Sequence The system will notpower on. 1. Battery ASM 2. AC Adapter 3. DC/DC & Charger board ASM 4. System board The system will notpower off. 1. Press and hold the power switch for more than 4seconds 2. DC/DC & Charger board ASM 3. System board Battery can't becha...
Page 56 - Note: If you cannot find a symptom or an error in this list; Intermittent Problems
Symptom/Error FRU/Action in Sequence Battery fuel-gaugedoes not go higherthan 90%. 1. Remove Battery ASM and let it cool for 2 hours. 2. Refresh battery (continue using battery in BIOS Setupmode until power off, thencharge battery). 3. Battery 4. DC/DC & Charger board 5. System board System conf...
Page 57 - Undetermined Problems
3. If any error is detected, replace the FRU shown by the FRU code.. Rerun the test to verify that no moreerrors exist. Undetermined Problems You are here because the diagnostic tests did not identifywhich adapter or device failed, which installed devices areincorrect, whether a short circuit is sus...
Page 58 - CE Utility Program Diskette; Note: You can download the CE Utility Program Diskette; Setting the LCD Panel ID; Note: When you set a new LCD Panel ID and the; Setting the Thermal Sensor
CE Utility Program Diskette Note: You can download the CE Utility Program Diskette from the IBM website. Setting the LCD Panel ID There is an EEPROM in the inverter which stores its sup-ported LCD type ID code. If you replace a LCD with one ofa different brand or use a new inverter, the ID informati...
Page 59 - Writing the RFID Data; Flash UUID
Writing the RFID Data The EEPROM on the system board contains the systemunit serial number and the system board serial number.When you replace the system board, restore the systemunit serial number using the RFID Utility in the ThinkPadCE Utility Diskette. The serial number label is attached tothe c...
Page 60 - Running the Diagnostics
Running the Diagnostics PC Doctor for DOS is used to perform diagnostics on theThinkPad 390E. 50 ThinkPad 390E
Page 61 - PC Doctor System Diagnostics; Note: Some test items require tools as shown below:
PC Doctor System Diagnostics Note: Some test items require tools as shown below: FDD: Erasable 2HD diskette Parallel: Wrap plug (P/N: 72X8546) Serial: Wrap plug (P/N: 72X8546) PCMCIA: PC test card (P/N: 35G4703) CD-ROM: Any data and audio CDs ThinkPad 390E PC Doctor for DOS Diskettes1 an...
Page 70 - FRU Removals and Replacements; Safety Notice 1: Translation on page 4; FRU Service Procedures
FRU Removals and Replacements This section contains information about removals andreplacements. Do not damage any parts. Only certified and trainedpersonnel should service the computer. The arrows in this section show the direction of move-ment to remove a FRU, or to turn a screw to releasethe F...
Page 71 - LCD FRU Replacement Notice:; Replacing the system Board:; Note: Do not power off the computer while restoring the; Screw Tightening Information; Plastic to plastic
LCD FRU Replacement Notice: The TFT LCD for the notebook computer contains over 2,359,296 thin-film transistors (TFTs). A small number of missing, discol-ored, or lighted dots (on all the time) is characteristic ofTFT LCD technology, but excessive pixel problems cancause viewing concerns. The LCD sh...
Page 73 - Hard Disk Drive; Warning; Note: The screw cannot be removed from the cover.
Hard Disk Drive 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 and permanentloss of data on the drive. Before removing the drive, have the user make abackup copy of all the information on the dr...
Page 74 - Combo Bay
Combo Bay To remove the Combo Bay, press and hold the lock torelease, then slide out the Combo Bay module to remove. Diskette Drive (FDD ASM) To remove the Diskette Drive (FDD ASM): 1. Remove the four screws securing the Diskettte Drive (FDD ASM) as shown. 2. Disconnect the Diskette Drive (FDD ASM) ...
Page 76 - Combo Bay FPC
Combo Bay FPC To remove the Combo Bay FPC: 1. Remove the two screws securing the Combo Bay FPC. 2. Carefully disconnect the Combo Bay FPC from the connector. Step Size (Quan-tity) Head &Color Torque 1 M2.5x 3.5L(2) Pan head,black 1.6 kgf-cm Note: Make sure you use the correct screw for replaceme...
Page 77 - Hard Disk Adapter Combo Bay ASM
Hard Disk Adapter Combo Bay ASM To remove the second hard disk drive from the hard diskdrive adapter: 1. Remove the two screws of the Combo Bay adapter. 2. Slide the hard disk drive out and up to remove. Step Size (Quan-tity) Head &Color Torque 1 M3 x 5L (2) Pan head,black 1.6 kgf-cm Note: Make ...
Page 78 - Modem Card
Modem Card “Battery ASM” on page 62 To remove the modem card: 1. Use a flat-bladed screwdriver to remove the screw on the modem door. 2. Carefully release the latches on both sides of the modem card. 3. Gently pull out the cable from the connector to remove the modem card. Step Size (Quan-tity) He...
Page 79 - Safety Notice 4: Translation on page 7
Backup Battery (RTC) “Battery ASM” on page 62 “Modem Card” on page 68 Safety Notice 4: Translation on page 7 The backup battery is a lithium battery and can causea fire, an explosion, or severe burns. Do not rechargeit, remove its polarized connector, disassemble it, heatit above 100°C (212°F), ...
Page 80 - Keyboard
Keyboard “Battery ASM” on page 62 “Hard Disk Drive” on page 63 To remove the keyboard: 1. Use a flat-bladed screwdriver to release the latches to lift the middle cover away. 2. Remove the two screws securing the keyboard. 3. Lift the keyboard up to expose the keyboard con- nector. Step Size (Qua...
Page 82 - LED Board
LED Board “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Keyboard” on page 70 To remove the LED board: 1. Remove the screw securing the LED board then dis- connect the LED cable from the connector. 2. Lift the LED board. Step Size (Quan-tity) Head &Color Torque 2 M2 x 4L (1) Flat h...
Page 83 - Upper Heatsink
Upper Heatsink “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Keyboard” on page 70 Step Size (Quan-tity) Head &Color Torque 1 M2.5 x 18L(3) Pan head,black 2.0 kgf-cm 2 M2 x 18L (3) Pan head,black 2.0 kgf-cm 3 M2 x 4L (4) Flat head,silver 1.6 kgf-cm Note: Make sure you use the corre...
Page 84 - PCMCIA Slots
PCMCIA Slots “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Keyboard” on page 70 “Upper Heatsink” on page 73 To remove the PCMCIA slots: 1. Remove the three screws securing the PCMCIA slot board. 2. Use a flat-bladed screwdriver to disconnect the PCMCIA card from the connector. 3. Ca...
Page 85 - CPU Board
CAUTION:When reassembling this section of the machine, theupper heatsink must be reassembled first before thePCMCIA slots. CPU Board “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Keyboard” on page 70 Use a stick to remove the CPU board. ThinkPad 390E 75
Page 86 - LCD Panel ASM
LCD Panel ASM “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Keyboard” on page 70 To remove the LCD Panel ASM: 1. Remove the two screws securing the LCD FPC cable. 2. Remove the LCD FPC cable. 3. Disconnect the LCD FPC cable from the lower case (12.1"). Disconnect the LCD FPC cable...
Page 88 - Upper Cover ASM
Upper Cover ASM “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Combo Bay” on page 64 “Keyboard” on page 70 “LED Board” on page 72 “Upper Heatsink” on page 73 “LCD Panel ASM” on page 76 To remove the upper case: 1. Remove the screws from the upper cover ASM. 2. Turn the notebook...
Page 90 - IMM Lower Heatsink ASM
IMM Lower Heatsink ASM “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Combo Bay” on page 64 “Keyboard” on page 70 “LED Board” on page 72 “Upper Heatsink” on page 73 “CPU Board” on page 75 “LCD Panel ASM” on page 76 “Upper Cover ASM” on page 78 To remove the IMM lower heatsi...
Page 91 - Fan ASM
Fan ASM “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Combo Bay” on page 64 “Keyboard” on page 70 “LED Board” on page 72 “Upper Heatsink” on page 73 “CPU Board” on page 75 “LCD Panel ASM” on page 76 “Upper Cover ASM” on page 78 “IMM Lower Heatsink ASM” on page 80 To remo...
Page 94 - System Board; Note: See “Replacing the system Board” on page 61
System Board “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Combo Bay” on page 64 “Keyboard” on page 70 “LED Board” on page 72 “Upper Heatsink” on page 73 “CPU Board” on page 75 “LCD Panel ASM” on page 76 “Upper Cover ASM” on page 78 “IMM Lower Heatsink ASM” on page 80 ...
Page 95 - Combo Bay Interposer Board
Combo Bay Interposer Board “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Combo Bay” on page 64 “Keyboard” on page 70 “LED Board” on page 72 “Upper Heatsink” on page 73 “CPU Board” on page 75 “LCD Panel ASM” on page 76 “Upper Cover ASM” on page 78 “IMM Lower Heatsink ASM”...
Page 101 - Note: See “Setting the LCD Panel ID” on page 48.
LCD Inverter ASM 14.1" “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Combo Bay” on page 64 “Keyboard” on page 70 “LCD Bezel ASM 14.1"” on page 86 “Speaker ASM 14.1"” on page 87 “VR Board ASM 14.1"” on page 88 “Microphone ASM 14.1"” on page 89 “LCD Panel...
Page 102 - Note: The LCD FPC cable has a double-sided adhesive
LCD FPC ASM 14.1" “Battery ASM” on page 62 “Hard Disk Drive” on page 63 “Combo Bay” on page 64 “Keyboard” on page 70 “LCD Bezel ASM 14.1"” on page 86 “Speaker ASM 14.1"” on page 87 “VR Board ASM 14.1"” on page 88 “Microphone ASM 14.1"” on page 89 “LCD Panel ASM ...
Page 116 - Switch Location
Switch Location Keyboard Lan-guage US/European Japanese J2 ON OFF J3 ON ON 106 ThinkPad 390E
Page 117 - System Unit Parts Listing
System Unit Parts Listing Index Description FRUNumber 1 MIDDLE COVER ASM 05K5481 ThinkPad 390E 107
Page 122 - LCD Unit Parts Listing
LCD Unit Parts Listing 12.1" LCD ASM Parts Listing Index System Unit FRUNumber 1 LCD BEZEL ASM (12.1" TFT) 05K5469 2 MICROPHONE ASM W/ HOLDER 05K5477 3 CABLE ASM FOR SPK/MIC/VRBOARD 05K2818 4 SPEAKER ASM (12.1"/13.3") 05K5467 5 VR BOARD ASM (12.1"/13.3") 30L2576 6 LCD INVERTE...
Page 128 - Service Tools
Service Tools Description FRU No. Qty. Tri-Connector Wrap Plug 72X8546 PC Test Card 35G4703 Audio Wrap Cable 66G5180 Screwdriver Kit 95F3598 USB Parallel Test Cable 05K2580 Torque Screwdriver 05K4695 5mm Socket Wrench 05K4694 Screwdriver 05K4693 118 ThinkPad 390E
Page 130 - IBM
IBM Part Number: 00N5907 Printed in U.S.A. S37L-5153-ð1
