IBM - page 30

140A, 140C, 140F, 140H, 140K, 140L, 140M, 140T, 1419, 143C, 143H, 143K, 143L, 143M, 143T, 1452, 1456, 1459, 1472, 1476, 1479, 147A, 147F, 149C, 149F, 149H, 149K, 149M, 149T, 1412

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7. If the problem remains, replace the following FRUs

one at a time. Do not replace a non-defective FRU.

TrackPoint board

Charger board

Audio & battery function connection board

LCD assembly

Planar board

26 ThinkPad i Series 1400

Models

3
Contents
- 4iv
5ThinkPad i Series 1400 Hardware Maintenance Manual
- Read This First
- How to Use Error Messages
- How to Diagnose Multiple FRUs
- 6What to Do First
  - 2
- 7 Screw Notices
- 8Power-On and Setup Password
  - 4
- 9
- Check Procedures
- 10Power Systems Check
  - Checking the AC Adapter:
    - 6
  - 11Checking the Operational Charging:
  - Checking the Battery Pack:
- 12Planar Board Check
- Memory Check
  - 8
- 13Keyboard and External Input Device Check
- 14Audio Function Check
- TrackPoint IV Check
  - 10
- 15Diskette Drive Check
- CD-ROM/DVD-ROM Drive Check
- 16Modem Board Check
  - 12
- 17
- BIOS Utility
- 18Navigating the BIOS Utility
  - 14
- 19Power Management Features
- Screen Blanking Mode
- Standby Mode
- 20 Hibernation Mode
  - 16
- 21
- Symptom-to-FRU Index
- Numeric Error Codes and Messages
  - 2218
- 23 Beep Symptoms
- No Beep Symptoms
  - ThinkPad i Series 1400 19
- 24 Keyboard/TrackPoint-Related Symptoms
- LCD-Related Symptoms
  - 20
    - 25 ThinkPad i Series 1400 21
- 26 Indicator-Related Symptoms
- Power-Related Symptoms
  - 22
- Memory-Related Symptoms
- 27 Audio-Related Symptoms
- PC Card (PCMCIA)-Related Symptoms
  - ThinkPad i Series 1400 23
- Power Management-Related Symptoms
- 28 Peripheral-Device-Related Symptom
  - 24
- 29 Modem-Related Symptoms
- Intermittent Problems
- Undetermined Problems
- 31Related Service Procedures
- Flash Memory Update
- Status Indicators
  - (A-Z)
  - 3228
    - Not all application programs support this function.
- 33 Power Switch
- Diagnostic Program Diskette
  - Running the PC Doctor Diagnostics Program:
  - Using the PC Doctor Diagnostics Program:
- 34Maintenance Program Diskette
  - Running the Maintenance Program Diskette:
    - 30
  - Setting the LCD Panel ID:
  - 35Setting the Thermal Sensor:
  - Writing the VPD Data:
- 36Fn Key Combinations
  - 32
- 37
- Product Overview
  - ThinkPad i Series 1400 33
  - The following shows an overview of the system features.
- 38FRU Removals and Replacements
  - 34
- 39Before FRU Removals and Replacements
  - Screw Type Example Explanation
    - Plugging the Cable:
    - Unplugging the Cable:
  - FPC Cable Connector Type
- 41DIMM and DIMM Cover
- 42Modem Board Cover and Modem Board
  - 38
- 43 Keyboard
  - 4440
- 45CPU Thermal Plate
- 46RTC Battery, CPU EMI Shield and Hard Disk Drive
  - 42
- 48 PCMCIA Holder
  - 44
- 49 LCD Assembly
  - 5046
- 51Upper Cover (Keyboard Bezel)
  - 5248
- 53CD Control Card
- 54Trajection Board and Modem Connector (RJ11 Cable Assembly)
  - 50
- 55 DC/DC Charger
- 56Audio PCB and S-Video PCB
  - 52
- 57Audio Cable and Speaker Cable
- 59Audio Connector Board
- 60 Fan Assembly
  - 56
- 61Diskette and CD-ROM/DVD-ROM Drives Assembly
  - 62 CD-ROM/DVD-ROM Module
    - 58
  - 63Diskette Drive (FDD with Bezel)
- 64 Planar Board
  - 60
- 65LCD Front Cover (12.1-inch)
  - 66 Speakers
  - Indicator Board and Microphone Cable Assembly
    - 62
  - 67LCD Panel, LCD Cable and Inverter
    - 6864
  - 69 Hinge
- 70LCD Front Cover (14.1-inch)
  - 66
  - 71 Speakers
  - Indicator Board and Microphone Cable Assembly
  - 72LCD Panel, LCD Cable and Inverter
    - 68
    - 7470
  - 75 Hinge
- 76
- Locations Front View
  - 72
- 77 Bottom View
- Rear View
- 78 Switch Locations
  - Keyboard Language (SW3, Switch 1, 2 and 3) Setting
    - 74
  - Password (SW3, Switch 4) Setting Non-configurable Switches
- 79System Unit Parts Listing
  - ThinkPad i Series 1400 75
  - 8076
    - 81 ThinkPad i Series 1400 77
  - 8278
- 83LCD Unit Parts Listing 12.1" LCD Unit Parts Listing
  - ThinkPad i Series 1400 79
  - 8480
- 8514.1" LCD Unit Parts Listing
  - ThinkPad i Series 1400 81
  - 8682
- 87
- Miscellaneous Parts
  - ThinkPad i Series 1400 83
- 88
- Telephone/Modem
  - 84
- 90
- Notices
  - 86
- Trademarks

Models

Contents