Lenovo ThinkPad 390X Hardware Maintenance Manual (November 1999): ThinkPad 390
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- Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 1
i - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 2
Before using this information and the product it supports, be sure to read the general information under " that this publication may contain references to, or information about, IBM products (machines and programs), programming, or services that are not announced in your country. Such references or - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 3
Contents ThinkPad 390X / i Series 1700 Hardware Maintenance Manual 1 Introduction 2 Important Service Information 2 How to Use Error Messages 3 How to Read POST Error Messages 3 Drive and Diskette Compatibility Matrix 4 Safety Notices (Multi-lingual Translations) . . . . . 5 Safety Information - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 4
48 PC-Doctor DOS System Diagnostics 48 FRU Removals and Replacements 58 FRU Service Procedures 59 Battery 61 Hard Disk Drive 62 Combo Bay 63 Diskette Drive 64 CD-ROM 65 Combo Bay FPC 66 Hard Disk Adapter Combo Bay 67 Modem Card 68 Backup Battery (RTC 69 Keyboard 70 LED Board 72 Upper - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 5
Notices 119 Trademarks 119 Contents v - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 6
vi ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 7
product-specific parts information. Important This manual is intended for trained servicers who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing an IBM ThinkPad product, be sure to review the safety - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 8
Before Replacing Parts Ensure that all diskette fixes are installed prior to replacing any FRUs listed in this manual. Use the following strategy to prevent unnecessary FRU replacement and service expense: If you are instructed to replace a FRU and that does not correct the problem, reinstall the - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 9
try to run a low-level format before replacing a hard disk drive. Attention The drive startup sequence in the computer you are servicing might have been changed. Be extremely careful during write operations error message is coming from an internal or an external device. ThinkPad 390X / i 1700 HMM 3 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 10
for 5.25-inch diskettes and 5.25-inch diskette drives. Diskette Capacity 360KB 1.2MB 360KB Drive Read/Write Not Compatible 1.2MB Drive Read/Write Read/Write Note: A 360KB diskette written to or formatted on a 1.2MB drive can be read reliably only on a 1.2MB drive. 4 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 11
Multi-lingual Translations) In this manual, safety notices appear in English . Verify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts. Avant de remettre l'ordinateur sous cortocircuitos eléctricos. ThinkPad 390X / i 1700 HMM 5 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 12
disassemble it, recharge it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery la ignición o explosión de la misma. 6 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 13
disassemble it, throw it into fire or water, or shortcircuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery ón de la misma. ThinkPad 390X / i 1700 HMM 7 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 14
remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts la normativa local. 8 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 15
, lave inmediatamente las áreas afectadas con agua durante 15 minutos como mínimo. Obtenga atención medica si se presenta algún síntoma del fluido despues de lavarse. ThinkPad 390X / i 1700 HMM 9 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 16
avoid shock, do not remove the plastic cover that surrounds the lower portion of the inverter card. Afin d'éviter tout la parte baja de la tarjeta invertida. Safety Notice 7 Though main batteries have low voltage, a shorted or grounded battery can produce personal. 10 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 17
FRU, power-off the computer, unplug all power cords from electrical outlets, remove the battery pack, then disconnect any interconnecting cables. Avant de retirer une unitˆ rempla la batería y, a continuación, desconecte cualquier cable de conexión entre dispositivos. ThinkPad 390X / i 1700 HMM 11 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 18
with before servicing an IBM mobile computer removed covers and other parts in a safe place, away from all personnel, while you are servicing the machine. Keep service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. 12 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 19
. Disconnect all power before: - Performing a mechanical inspection - Working near power supplies - Removing or installing main units Before you start to work on the machine, unplug the power cord insulate you from grounds such as metal floor strips and machine frames. ThinkPad 390X / i 1700 HMM 13 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 20
Do not service the following parts with the power on when they are removed from their problem. Consider these conditions and the safety hazards they present: Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal electrical shock). 14 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 21
all at the same charge. Notes: 1. Use product-specific ESD procedures when they exceed the requirements noted here. 2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective. When handling ESD-sensitive parts: Keep the parts in protective packages until - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 22
meets the specific service requirement. AC plug on AC-operated computers. Grounding Requirements Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician. 16 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 23
kann gefährliche Laserstrahlung auftreten. L'utilizzo di controlli, regolazioni o l'esecuzione di procedure diverse da quelle specificate possono provocare l'esposizione a El uso de controles o ajustes o la ejecución de procedimientos distintos de los aquí especificados ThinkPad 390X / i 1700 HMM 17 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 24
peligrosas. Opening the CD-ROM drive could result in exposure to hazardous laser radiation. There are no serviceable parts inside the CD-ROM drive. Do not open. Some CD-ROM drives contain an embedded Class 3A or óptico el haz de luz. Evite la exposición directa al haz. 18 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 25
Drives in the computer that you are servicing might have been rearranged or the drive startup sequence might have been altered. If you select an incorrect drive recurring problem exists part number 8. Machine type, model number and serial number 9. Customer's name and address ThinkPad 390X / i 1700 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 26
force or from being dropped. How to Disable the Password There are three passwords used at a typical customer site: the Setup password, the HDD password, and the Power On password. Power On password: 1. Power off the computer. 2. Remove the battery pack and AC Adapter. 20 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 27
hard disk drive must be replaced. Service Web site When the latest maintenance diskette and system program service diskette are available, they are posted on: Maintenance diskette: http://www.pc.ibm.com/partner/infotips System program service diskette: http://www.pc.ibm.com/thinkpad ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 28
ThinkPad 390X / i Series 1700 computer. Feature Processor Bus architecture Memory Video Audio Diskette drive Hard disk drive CD-ROM drive DVD-ROM drive MHz, L2 cache PCI Bus 2 DIMM slots, no memory on the system board 32 MB, 64 MB, 128 MB, or 256 MB DIMM card (max. 512 MB) 12.1-inch, 64K colors, - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 29
Feature PC Card (PCMCIA) AC Adapter Description One Type III or two Type II CardBus, ZV port support 56-Watt type Fn Key Combinations The following table shows the Fn key and both the LCD and external monitor Expand/shrink screen Switch power mode Hibernation mode ThinkPad 390X / i 1700 HMM 23 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 30
lock Green Meaning Enough battery power remains for operation. The battery pack needs to be charged The battery pack is being charged. The computer is in suspend mode. The computer is entering suspend mode. Data is being read from or written to the hard disk drive, diskette drive, or data is being - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 31
cursor cannot be moved with the Arrow keys. Not all application programs support this function. You enable or disable Scroll Lock mode by pressing the ScrLk key. The computer is operational. This indicator is always on when the computer is on and not in suspend mode. ThinkPad 390X / i 1700 HMM 25 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 32
as a guide for computer problems. Besides the checkout tests described in this section, there are other items you can test for using the PC-Doctor DOS diagnostics program. See "PC-Doctor DOS System Diagnostics" on page 48 for details. Note: The diagnostic tests are intended to test only IBM products - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 33
occurs with the internal diskette drive, reseat the connector on the system board. If the error still remains: 1. Reseat the Combobay. 2. Reseat the Diskette Drive. 3. Replace the Diskette Drive. 4. Replace the Combobay Interposer card. 5. Replace the system board. ThinkPad 390X / i 1700 HMM 27 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 34
. Fan Checkout To check the Fan, do the following: 1. Boot from and start PC-Doctor DOS. (See "PC-Doctor DOS System Diagnostics" on page 48 for details.) 2. Select Diagnostics. 3. Select Other Devices. 4. Select Fan. 5. Follow the instructions in the message window. 28 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 35
) External keyboard (with keyboard/mouse cable) If any of these devices do not work, reseat the cable connector and repeat the failing operation. If the problem does not reoccur, replace the device and then the system board. ThinkPad 390X / i 1700 HMM 29 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 36
A loose connection can cause an error. System Programs in Flash Memory: System setup programs are stored in the flash memory. Flash Memory Update: The flash memory update is required for the following conditions: New versions of system programs New features or options 30 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 37
DOS System Diagnostics" on page 48 for details.) 2. Select Diagnostics. 3. Select Other Devices. 4. Run Modem Loopback Test and Modem Dialtone/DTMF Test. 5. Follow the instructions in the message window. 6. If the test detects a modem problem, replace the modem card. ThinkPad 390X / i 1700 HMM 31 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 38
listed below: "Checking the AC Adapter" "Checking the Operational Charging" on page 33 "Checking the Battery" on page 33 Checking the AC Adapter: You are here because the computer fails only when the AC Adapter is used: If the power problem occurs only when the ThinkPad Port Replicator with Advanced - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 39
or 9.6V (NiMH), measure the resistance between battery terminals 1 and 3. The resistance must be 390 ohm (Li-Ion) or 4 to 30K ohm. If the resistance is not correct, replace the Battery. If the resistance is correct, replace the DC-DC & BATT board then the system board. ThinkPad 390X / i 1700 HMM 33 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 40
instructions in the message window. If either the pointing stick or the click button does not work, do the following actions one a time to correct the problem. Do not replace a non-defective FRU. 1. Reseat the keyboard cables. 2. Replace the keyboard. 3. Replace the system board. 34 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 41
LCD is powered off. The hard disk drive is powered off. The CPU battery is low, the battery status indicator blinks orange. The computer is ejected from the ThinkPad Port Replicator with Advanced Etherjet Feature (BIOS Setup). The UltraBay FX (Combobay) switch is pressed. Notes: 1. In the IBM BIOS - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 42
in the boot record on the hard disk drive is read and the system status is restored from the hard disk drive. The following events cause the computer to resume operation from hibernation mode. The power switch is pressed. The real time clock alarm is signaled. Wake on LAN occurs. 36 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 43
Options tab. Click on Enable Hibernation. Click on OK. Note: If you change the memory size, you need to recreate the hibernation file or partition. For partition-based hibernation, use the hibernation utility to delete the partition first before creating a new one. ThinkPad 390X / i 1700 HMM 37 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 44
codes, X can be any number. If no codes are available, use narrative symptoms. If the symptom is not listed, go to "Undetermined Problems" on page 45. Note: For IBM devices not supported by diagnostic codes in this ThinkPad computer, see the manual for that device. 38 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 45
Memory error 0250 System battery error 0251 System CMOS checksum bad - Default configuration used 0260 System timer error 0270 Real time clock error 0271 Check date and time setting FRU/Action in Sequence 1. Reseat hard disk drive. 2. Load Setup Defaults in BIOS Setup Utility. 3. Hard disk drive - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 46
disabled FRU/Action in Sequence 1. Load Setup Defaults in the BIOS Setup Utility. 2. DIMM 3. System board 1. Check that the drive is defined with the proper diskette type in BIOS Setup Utility. 2. Go to "Diskette Drive Checkout" on page 27. 1. CPU card 2. System board 40 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 47
1. Enter BIOS Setup Utility and see if the hard disk drive and diskette drive A: are properly identified. 2. Diskette drive 3. Hard disk drive 4. System board Critical battery low Save your work; then connect the AC Adapter to the computer to recharge the battery. ERROR EDO RAM exist, system - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 48
beep during POST but system runs correctly. FRU/Action in Sequence Battery AC Adapter DC-DC & BATT board System board Reseat DIMM. CPU card System board Speaker LCD-Related Symptoms Symptom/Error FRU/Action in . 1. Reseat the LED board. 2. LED board 3. System board 42 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 49
Battery 2. AC Adapter 3. DC/DC & Charger board 4. System board The system will not power off. 1. Press and hold the power switch for more than 4 seconds 2. DC/DC & Charger board 3. System board Battery can't be charged. Battery DC/DC & Charger board Combobay board System board PC Card (PCMCIA - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 50
(if control is from the keyboard) 2. Hard disk drive 3. System board 1. Lid switch 2. System board 1. Remove Battery and let it cool for 2 hours. 2. Refresh battery (continue using battery in BIOS Setup mode until power off, then charge battery). 3. Battery 4. DC/DC & Charger board 5. System board - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 51
damage. If any problems are found, replace the FRU. 3. Remove or disconnect all of the following devices: a. Non-IBM devices b. Devices attached to the ThinkPad Port Replicator with Advanced Etherjet Feature c. Printer, mouse, and other external devices d. Battery e. Hard disk drive f. DIMM g. CD - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 52
Utility Program Diskette from the IBM website. Setting the LCD Panel ID There is an EEPROM in the inverter which stores its supported LCD type ID code. 1. Boot from the Utility Program Diskette. 2. Select Thermal Sensor Utility from PC DOS 7.0 Startup menu, then press F4. 46 ThinkPad 390X / i - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 53
the EEPROM (option 2) delete S/N data from the EEPROM (option 3) Follow the instructions on the screen. Flash UUID The EEPROM on the system board contains the Universal the ThinkPad CE Utility Diskette. The UUID utility will automatically assign the UUID via Windows. ThinkPad 390X / i 1700 HMM 47 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 54
as shown below: Diskette Drive: Erasable 2HD diskette Parallel: Tri-Connector Wrap plug (P/N: 72X8546) Serial: Tri-Connector Wrap plug (P/N: 72X8546) PCMCIA: PC test card (P/N: 35G4703) USB: USB Parallel Test cable (P/N: 05K2580) CD-ROM: Any data and audio CDs ThinkPad 390X / i Series 1700 PC-Doctor - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 55
Interactive Tests menus contain test items you perform on the computer. After performing a test, press F3 to view the test result log for detailed information. ThinkPad 390X / i 1700 HMM 49 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 56
288 1-292 1-298 1-299 1-300 Test(s) Timer Timer Timer CMOS RAM RTC RTC RTC Message Timer 0 BIOS timer Timer 1 RAM refresh Timer 2 Pattern test Time update Periodic interrupt Alarm interrupt FRU/Action in Sequence: Check BIOS setting Backup battery (RTC) System board 50 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 57
) IR mode enabled (can't run serial test) No external loopback adapter (if prompt times out) Aborted Baudrate register DLAB External loopback fail No interrupt Test aborted (too many failures) No loopback (prompt timed out) Data register Not detected Register failed ThinkPad 390X / i 1700 HMM 51 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 58
abort No drive parameters readable Testing parameters out of range POST/BIST Read/verify Seek error PNPISA sound card detected, but not enabled PCI sound card detected, but not enabled Sound card not detected DSP data loopback failed IRQ test failed DMA test failed 52 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 59
Test(s) AC CHARGER Message AC Charger not supported FRU/ String ops Exceptions FRU/Action in Sequence: Reload BIOS default setting CPU card System board Error Code 170-1 to 175-198 supported No fan detected Chip not detected (iFailNoLm80=0) FRU/Action in Sequence: System board ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 60
condition detected Asset ID not supported SMBUS not detected (if not required) AlertPack not supported AlertPack not detected (if not Problem reading EEPROM Bad header checksum Bad area checksum Problem detecting antenna No antenna detected FRU/Action in Sequence: System board 54 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 61
able to detect disk size) Not able to detect disk size parameters Read, write or verify failure Seek failed FRU/Action in Sequence: Reseat diskette drive cable Diskette drive System board ThinkPad 390X / i 1700 HMM 55 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 62
: Reload BIOS default setting Hard disk connector Hard disk drive Error Code 301-250 to 301-266 Error Code 301-250 301-254 301-258 301-266 Test(s) KBD KBD KBD KBD Message Interrupt POST Stuck keys Interface FRU/Action in Sequence: Reseat keyboard connector Keyboard System board 56 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 63
to 304-199 Error Code 304-1 Test(s) BATTERY 304-199 BATTERY Message No battery installed No battery detected General battery failure FRU/Action in Sequence: Battery pack DC-DC & BATT board System FRU/Action in Sequence: Reseat Modem card Modem card System board ThinkPad 390X / i 1700 HMM 57 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 64
11 Before removing any FRU, power-off the computer, unplug all power cords from electrical outlets, remove the Battery, and then disconnect any interconnecting cables. An electrostatic discharge (ESD) strap (P/N 6405959) must be used to establish personal grounding. 58 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 65
problem with nylon-coated screws. Tighten screws as follows: Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part: Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the plastic part: ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 66
with shock or vibration. They need additional force to tighten. They should be used only once. Do the following when you service this machine: Have a screw kit (05K5489) available. Always use new screws if you are instructed. Use a torque screwdriver if you have one. 60 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 67
Battery To remove the Battery, press the latch to release, then pull out the Battery. 1 2 3 Reverse the steps described above when installing a new battery pack. ThinkPad 390X / i 1700 HMM 61 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 68
in suspend mode. To remove the hard disk drive: 1. Use a coin to unscrew the hard disk drive screw. Note: The screw cannot be removed from the cover. 2. Gently pull out the cover of the hard disk drive module. 3. Carefully slide out the hard disk drive module to remove. 62 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 69
Combo Bay To remove the Combo Bay, press and hold the lock to release, then slide out the Combo Bay module to remove. ThinkPad 390X / i 1700 HMM 63 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 70
Diskette Drive cable from the connector. Note: Lift both sides of the connector. 3. Slide out the Diskette Drive to remove. Step Size (Quantity) Head & Color Torque 1 M2.5 x 3.5L Flat head, (3) black 1.6 kgf-cm Note: Make sure you use the correct screw for replacement. 64 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 71
the CD-ROM. 2. Carefully slide out the CD-ROM to remove. Note: Watch out for the sharp edges on the CD-ROM. Step Size (Quantity) Head & Color Torque 1 M2.5x 4L (4) Flat head, silver 1.6 kgf-cm Note: Make sure you use the correct screw for replacement. ThinkPad 390X / i 1700 HMM 65 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 72
FPC: 1. Remove the two screws securing the Combo Bay FPC. 2. Carefully disconnect the Combo Bay FPC from the connector. 2 1 Step Size (Quantity) Head & Color Torque 1 M2.5x 3.5L Flat head, (2) black 1.6 kgf-cm Note: Make sure you use the correct screw for replacement. 66 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 73
the hard disk drive adapter: 1. Remove the two screws of the Combo Bay adapter. 2. Slide the hard disk drive out and up to remove. Step Size (Quantity) Head & Color Torque 1 M3 x 5L (2) Pan head, 1.6 kgf-cm black Note: Make sure you use the correct screw for replacement. ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 74
latches on both sides of the modem card. 3. Gently pull out the cable from the connector to remove the modem card. Step Size (Quantity) Head & Color Torque 1 M2.5 x 5L (1) Flat head, black 2.0kgf-cm Note: The screws do not separate from the modem board cover. 68 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 75
water. Dispose the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. Use your thumb first to pull out the backup battery (RTC). ThinkPad 390X / i 1700 HMM 69 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 76
Keyboard "Battery" on page 61 "Hard Disk Drive" on page 62 To remove the keyboard: 1. Use a 1/8" alignment tool to release the latches to lift the middle cover away. 2. Remove the two screws securing the keyboard. Step Be careful of the keyboard cable as it is fragile. 70 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 77
4. Use a flat-bladed screwdriver to release the cable from the connector. 5. Remove the keyboard from the lower case. ThinkPad 390X / i 1700 HMM 71 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 78
LED Board "Battery" on page 61 "Hard Disk Drive" on page 62 "Keyboard" on page 70 To remove the LED board: 1. Remove the screw securing the LED board then disconnect the LED cable from the connector. 2. Lift the LED board. 23 1 Step Size (Quantity) Head & Color Torque 2 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 79
Upper Heatsink "Battery" on page 61 "Hard Disk Drive" on page 62 "Keyboard" on page 70 2 1 3 Step Size (Quantity) Head & Color Torque 1 M2.5 x 18L Pan head, M2 x 4L (4) Flat head, silver 1.6 kgf-cm Note: Make sure you use the correct screw for replacement. ThinkPad 390X / i 1700 HMM 73 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 80
PCMCIA Slots "Battery" on page 61 "Hard Disk Drive" on page 62 "Keyboard" on page 70 "Upper Heatsink" on page 73 To remove the PCMCIA slots: 1. Remove the three screws to disconnect the PCMCIA card from the connector. 3 4 3. Carefully remove the PCMCIA card. 74 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 81
CAUTION: When reassembling this section of the machine, the upper heatsink must be reassembled first before the PCMCIA slots. ThinkPad 390X / i 1700 HMM 75 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 82
CPU Board "Battery" on page 61 "Hard Disk Drive" on page 62 "Keyboard" on page 70 Use the special tool to remove the CPU board. Note: The CPU tool is for depot use only. 2 1 To install at the same time. Do not press only one side or any other part of the board. 2 1 76 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 83
LCD Panel "Battery" on page 61 "Hard Disk Drive" on page 62 "Keyboard" on page 70 To remove the LCD Panel: 1. Remove the two screws securing the LCD FPC cable. 2. Remove the LCD FPC cable. Then: Disconnect the LCD FPC cable from the lower case (12.1"). Disconnect the LCD FPC cable and LVDS - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 84
Step Size (Quantity) Head & Color Torque 2 M2.5 x 18L Pan head, 15.1" and (1) black 14.1" M2 x 10L (1) Pan head, silver L:1.6 kgf-cm R:1.6 kgf-cm 3 M2.5 x 6L (4) Flat head, black 4.0 kgf-cm Note: Make sure you use the correct screw for replacement. 78 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 85
Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LED Board" on page 72 "Upper Heatsink" on page 73 "LCD Panel" on page 77 To remove the upper case: 1. Remove notebook over. Then remove the 4 screws from the base cover. 3 ThinkPad 390X / i 1700 HMM 79 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 86
.5 x 18L Pan head, 2.0 kgf-cm (3) black Note: Make sure you use the correct screw for replacement. 3. Use a flat-bladed screwdriver to remove the latch. 4. Disconnect the cable from the main unit. Now you can remove the upper cover from the base cover. 5 6 4 7 80 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 87
IMM Lower Heatsink "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LED Board" on page 72 "Upper Heatsink" on page 73 "CPU Board" on page 76 "LCD Panel" on page 77 "Upper Cover" on page 79 To remove the IMM lower heatsink: 1. Disconnect the - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 88
Fan "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LED Board" on page 72 "Upper Heatsink" on page 73 "CPU Board" on page 76 "LCD Panel" on page 77 "Upper Cover" on page 79 "IMM Lower Heatsink" on page 81 Remove the screw securing - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 89
Speakers Note: This section is only for 15.0-inch LCD models. "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LED Board" on page 72 "Upper Heatsink" on page 73 ThinkPad 390X / i 1700 HMM 83 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 90
Step Size (Quantity) Head & Color Torque 1 M2.5 x 6L (4) Flat head, black 2.0 kgf-cm Note: Make sure you use the correct screw for replacement. 84 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 91
DC-DC & BATT Board "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay page 81 "Fan" on page 82 To remove these boards and latch: 1. Remove the power latch. 2. Remove the IR board. 3. Remove the screw securing the DC-DC & BATT the correct screw for replacement. ThinkPad 390X / i 1700 HMM 85 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 92
and gently remove the system board from the base cover. 1 3 2 2 Step Size (Quantity) Head & Color Torque 1 M2.5 x 6L (2) Flat head, black 2.0 kgf-cm 2 M2.5 x 6L (1) Flat head, black 2.0 kgf-cm Note: Make sure you use the correct screw for replacement. 86 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 93
Combo Bay Interposer Board "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LED Board" on page 72 "Upper Heatsink" Board" on page 85 "System Board" on page 86 Disconnect the Combo Bay Interposer Board from the system board. ThinkPad 390X / i 1700 HMM 87 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 94
LCD Bezel 15.0" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 Step Size (Quantity) Head & Color Torque 1 M2.5 x 6L (3) Flat head, black 2.0 kgf-cm Note: Make sure you use the correct screw for replacement. 88 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 95
LCD Inverter 15.0" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 15.0"" on page 88 Note Color Torque 1 M2 x 4L (1) Flat head, silver 1.6 kgf-cm Note: Make sure you use the correct screw for replacement. ThinkPad 390X / i 1700 HMM 89 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 96
Microphone 15.0" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 15.0"" on page 88 "LCD Inverter 15.0"" on page 89 90 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 97
LCD Panel 15.0" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 15.0"" on page 88 "LCD Head & Color Torque M2.5 x 4L (4) Flat head, black 2.0 kgf-cm Note: Make sure you use the correct screw for replacement. ThinkPad 390X / i 1700 HMM 91 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 98
Step Size (Quantity) Head & Color Torque M2 x 4L (6) Flat head, silver 1.6 kgf-cm Note: Make sure you use the correct screw for replacement. 5 4 92 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 99
"Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 Remove the three screws securing the LCD bezel. Step Size (Quantity) Head & Color Torque 2 M2.5 x 6L (3) Pan head, 2.0 kgf-cm black Note: Make sure you use the correct screw for replacement. ThinkPad 390X / i 1700 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 100
Speaker 14.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 14.1"" on page 93 To remove the speaker: 1. Carefully disconnect the speaker cable from the connector. 2. Remove the five screws securing the speaker. 3. Gently lift the speaker - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 101
14.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 14.1"" on page 93 "Speaker 14.1"" on page 94 To remove the VR board: 1. Disconnect the power cable from the VR board. 2. Carefully remove the VR board from the display panel. ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 102
61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 14.1"" on page 93 "Speaker 14.1"" on page 94 "VR Board 14.1"" on page 95 To remove the microphone: 1. Disconnect the power cable from the microphone. 2. Lift the LCD away from the display panel. 96 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 103
LCD Panel 14.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 14.1"" on page 93 "Speaker 14.1"" on page 94 "VR Board 14.1"" on page 95 "Microphone 14.1"" on page 96 Remove the screw covers and screws. Step Size (Quantity) Head & Color - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 104
LCD Inverter 14.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 " "Setting the LCD Panel ID" on page 46. To remove the LCD inverter: 1. Disconnect the cable from the inverter board. 2. Lift the inverter board away from the display panel. 98 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 105
LCD FPC 14.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 14.1"" on page 93 "Speaker 14.1"" tape attached on its back side. Two current black tapes (LCD FPC Stopper Tape) must be applied to this cable. ThinkPad 390X / i 1700 HMM 99 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 106
61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 Remove the three screws securing the LCD bezel. Step Size (Quantity) Head & Color Torque 2 M2.5 x 6L (3) Flat head, black 2.0 kgf-cm Note: Make sure you use the correct screw for replacement. 100 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 107
Speaker 12.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 12.1"" on page 100 To remove the speaker: 1. Carefully disconnect the speaker cable from the connector. 2. Remove the five screws securing the speaker. 3. Gently lift the speaker - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 108
VR Board 12.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 12.1"" on page 100 "Speaker 12.1"" on page 101 To remove the VR board: 1. Disconnect the power cable from the VR board. 2. Carefully remove the VR board from the display panel. - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 109
LCD Inverter 12.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 12.1"" on page 100 "Speaker 12.1"" on page 101 "VR Board 12.1"" on page 102 Note: See "Setting the LCD Panel ID" on page 46. To remove the LCD inverter: 1. Disconnect - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 110
Microphone 12.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 12.1"" on page 100 "Speaker 12.1"" on page 101 "VR Board 12.1"" on page 102 "LCD Inverter 12.1"" on page 103 To remove the microphone: 1. Disconnect the power cable from the - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 111
LCD Panel 12.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" on page 70 "LCD Bezel 12.1"" on page 100 " Color Torque 2 M3 x 5L (4) Flat head, silver 3.2 kgf-cm Note: Make sure you use the correct screw for replacement. ThinkPad 390X / i 1700 HMM 105 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 112
LCD FPC 12.1" "Battery" on page 61 "Hard Disk Drive" on page 62 "Combo Bay" on page 63 "Keyboard" ON OFF Boot block disable ON OFF Boot block enable J2 & J3 ON OFF US/European keyboard ON OFF Japanese keyboard Keyboard Language J2 J3 US/European ON ON Japanese OFF ON 106 ThinkPad 390X / i - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 113
System Unit Parts Listing 1 2 6 3 8 4 5 10 7 11 9 5 12 13 14 26 15 16 27 17 18 28 19-1 19 20-1 20 21 22 29 30 31 25 24 23 ThinkPad 390X / i 1700 HMM 107 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 114
HDD Kitting Parts HDD Adapter Combo Bay Base Misc Parts IR Board System Board (M/B) (W/ AGP) System Board Support LAN Module (for Japan & Korea only) Combo Bay Interposer Card for 15.0" Combo Bay Interposer Card for 14 08K5838 08K5839 08K5879 08K6352 10L1934 02K6520 108 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 115
) Battery Slider Cover 32MB DIMM SDRAM (PC-100) 64MB DIMM SDRAM (PC-100) DIMM Door RTC PCI Modem Card Ethernet Card Modem Door Combo CD-ROM + FDD Diskette Drive CD-ROM (Toshiba) CD-ROM (LG) DVD Module Combo Bay Bracket Combo Bay FPC Kit Speaker (15.0") AC Adapter AC Adapter 3P (Sanken) AC Adapter 2P - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 116
Zealand, Paraguay, Uruguay) FRU Number 02K4721 02K4722 02K4723 02K4724 02K4725 02K4726 02K4727 02K4728 02K4729 02K4730 02K4731 05K5921 05K6176 05K5914 05K5982 05K5489 05K5504 13H5273 76H3514 110 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 117
) Power cord (Switzerland) Power cord (Israel) Power cord (Chile, Italy) Power cord (Japan) FRU Number 76H3516 76H3518 76H3520 76H3522 76H4866 76H3524 76H3528 76H3532 76H3530 13H5273 ThinkPad 390X / i 1700 HMM 111 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 118
LCD Unit Parts Listing 112 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 119
L,R (12.1"/13.3") LCD Misc Parts (LCD latch (L,R), Spring, Brightness/Contrast knob for 12.1", Brightness/Contrast knob for 14.1", LCD bracket for 13.3" only) FRU Number 05K5469 05K5477 05K2818 05K5467 30L2576 10L1645 08K5844 27L0493 08K5845 05K5466 05K5465 05K5488 ThinkPad 390X / i 1700 HMM 113 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 120
Index System Unit LG/IBM Logo Kit FRU Number 05K6044 114 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 121
14.1" LCD Parts Listing 1 2 3 4 5 6 7 12 8 9 10 11 Index System Unit 1 LCD Bezel (14.1" TFT) 2 Microphone W/ Holder 3 Cable For Spk/Mic/VR FRU Number 05K5945 05K5477 05K2818 02K4869 05K9538 05K5947 05K5948 10L2112 10L1751 10L1310 05K6208 10L1208 05K5914 ThinkPad 390X / i 1700 HMM 115 - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 122
Index System Unit LCD Misc Parts (LCD latch (L,R), Spring, Brightness/Contrast knob for 12.1", Brightness/Contrast knob for 14.1", LCD bracket for 13.3" only) LG/IBM Logo Kit FRU Number 05K5488 05K6044 116 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 123
Tape LCD Misc Parts (LCD latch (L,R), Spring, Brightness/Contrast knob for 12.1", Brightness/Contrast knob for 14.1", LCD bracket for 13.3" only) LG/IBM Logo Kit FRU Number 27L0491 08K5828 08K5831 27L0491 10L1432 08K5829 05K5477 08K3421 08K3422 05K5914 05K5488 05K6044 ThinkPad 390X / i 1700 HMM - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 124
Kit USB Parallel Test Cable CPU removal tool 5.5mm socket 5.0mm socket ESD Kit (wrist strap and mat) ESD Wrist Strap ESD Mat FRU No. Qty. 72X8546 35G4703 66G5180 95F3598 05K2580 08K5880 73G5354 73G1466 73G5518 6405959 93F2649 Note: The CPU tool is for depot use only. 118 ThinkPad 390X - Lenovo ThinkPad 390X | Hardware Maintenance Manual (November 1999): ThinkPad 390 - Page 125
IV The following terms are trademarks or service marks of other companies as follows: Intel Mylar PCMCIA Pentium Celeron Intel Corporation E.I. Du Pont de Nemours and Company Personal Computer Memory Card Interface Association Intel Corporation Intel Corporation ThinkPad 390X / i 1700 HMM 119
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