ThinkPad® X300 Hard ware Maintenance Manual
General safety Follow these rules to ensure general safety: v Observe good housekeeping in the area of the machines during and af
Table 27. Removal steps of VGA cable and DC-in connector (continued) In step 6, detach the DC-in connector from the I/O bracket
1170 System board, fan, and base cover assembly Important notices for handling the system board:When handling the system board, b
Following components soldered on the top side of the system board are extremely sensitive. When you service the system board, avoid
Table 28. Removal steps of system board, fan assembly, and base cover assembly 12 Step Screw (quantity) Color Torque 1 M2 × 6 mm
Table 28. Removal steps of system board, fan assembly, and base cover assembly (continued) 444 Step Screw (quantity) Color Torque 4
Table 29. Application of the thermal grease When installing: Before you attach the fan assembly to the computer, apply thermal grea
Note: Applying labels to the base coverThe new base cover FRU is shipped with a kit containing labels of several kinds. When you
2010 LCD bezel assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or tra
2020 LCD panel and LCD cable For access, remove these FRUs, in order: v “1010 Battery pack” on page 60 v “1020 Second battery
Table 31. Removal steps of LCD panel and LCD cable 1 Attention: Unplug the LCD cable with holding the left and right edges of t
Electrical safety Observe the following rules when working on electrical equipment. v Find the room emergency power-off (EPO) switc
Table 31. Removal steps of LCD panel and LCD cable (continued) 543 Step Screw (quantity) Color Torque 3 M2 × 3 mm, small-head, n
Table 31. Removal steps of LCD panel and LCD cable (continued) Cable routing: When you install the LCD cable, route the cable as
2030 Integrated camera For access, remove these FRUs, in order: v “1010 Battery pack” on page 60 v “1020 Second battery or trav
2040 Antenna assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or travel
Table 33. Removal steps of antenna assembly (continued) 2 3 106 ThinkPad X300 Hardware Maintenance Manual
Table 33. Removal steps of antenna assembly (continued) Cable routing: When you install the antenna assembly, route the cables as sh
2050 Hinge L and hinge R For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or
Table 34. Removal steps of hinge L and hinge R (continued) 33 ThinkPad X300 109
2060 LED sub card, LED cable and LCD cover assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v
Table 35. Removal steps of LED sub card, LED cable, and LCD cover assembly (continued) Cable routing: When you install the microph
v Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is conductive; such
Locations Front view 1 Integrated camera 2 ThinkLight 3 Status indicatorsNote: For the description of each indicator, see “Status
Rear view 1 Status indicatorsNote: For the description of each indicator, see “Status indicators” on page 49. 2 Stereo headphone
Parts list This section contains following lists of the service parts. v “Overall” on page 115 v “LCD FRUs” on page 120 v “Ke
Overall 12345678910111213b141516171819202122a Table 36. Parts list—Overall No. FRU FRU no. RoHS ID CRU ID a, b See “Miscellaneous parts”
Table 36. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 3 Sierra Wireless EV-DO Wireless WAN Mini PCI Express Adapter
Table 36. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 6 Intel Wireless WiFi Link 4965AGN (11n disabled) v 2748-CTO
Table 36. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 11 Battery pack, Li-Polymer (3 cell), Sony v 2748-CTO v 27
Table 36. Parts list—Overall (continued) No. FRU FRU no. RoHS ID CRU ID 19 2-GB DDR2-667 SDRAM SO-DIMM (PC2-5300) card v 2748-CTO v
LCD FRUs 12345a769810 13.3-inch WXGA+ TFT Table 37. Parts list—13.3-inch WXGA+ TFT No. FRU FRU no. RoHS ID CRU ID 1 LCD bezel assemb
Table 37. Parts list—13.3-inch WXGA+ TFT (continued) No. FRU FRU no. RoHS ID CRU ID 10 LED sub card 42W7898 R N Keyboard Language P
Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each
Miscellaneous parts Table 38. Parts list—Miscellaneous parts FRU P/N RoHS ID CRU ID Screw kit (including nylon-coated screws): v M2 ×
Table 38. Parts list—Miscellaneous parts (continued) FRU P/N RoHS ID CRU ID Keyboard bezel miscellaneous parts: v Support plate, fan v
Table 38. Parts list—Miscellaneous parts (continued) FRU P/N RoHS ID CRU ID LCD miscellaneous parts: v (a) Heat spreader for camera v
Power cords A ThinkPad power cord for a specific country or region is usually available only in that country or region: Table 40.
Recovery discs Windows XP Professional DVDs Windows XP Professional is preinstalled as the operating system in the following models: v
Windows Vista Business (32 bit) DVDs Windows Vista Business (32 bit) is preinstalled as the operating system in the following models
Windows Vista Ultimate (32 bit) DVDs Windows Vista Ultimate (32 bit) is preinstalled as the operating system in the following models
Common service tools Table 45. Parts list—Common service tools Tool P/N Screwdriver kit 95F3598 1/4″ drive spinner handle 1650840 1/4″
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Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Len
Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) s
vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measuremen
Part Number: 42X4239_01 (1P) P/N: 42X4239_01
Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian,
Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, r
Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or
Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polar
Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the
Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’é
Safety notice 8 DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the
Laser compliance statement Some models of ThinkPad computer are equipped from the factory with an optical storage device such as a
A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode.
16 ThinkPad X300 Hardware Maintenance Manual
Important service information This chapter presents following important service information: v “Strategy for replacing FRUs” – “Strat
v Some computers have both a processor board and a system board. If you are instructed to replace either the processor board or
Strategy for replacing FRUs for CTO, CMV, and GAV Product definition Dynamic Configure To Order (CTO) This provides the ability for
warranty.vm&sitestyle=lenovoSelect Warranty lookup. Input the MT and the Serial number and the list of key commodities will be re
Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Eq
ThinkPad® X300 Hard ware Maintenance Manual
22 ThinkPad X300 Hardware Maintenance Manual
General checkout This chapter presents following information: v “What to do first” on page 24 v “Checkout guide” on page 25 –
What to do first When you do return a FRU, you must include the following information in the parts exchange form or parts return
Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad computer. Note: The d
Diagnostics using PC-Doctor for DOS The ThinkPad computer has a test program called PC-Doctor for DOS (hereafter called PC-Doctor.) Y
Note: PC-Doctor menu does not mean the formal support device list. Some unsupported device names may appear in the PC-Doctor menu.
Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration
Power system checkout To verify a symptom, do the following: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect
Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a batt
Checking the backup battery Do the following: 1. Power off the computer, and unplug the ac adapter from it. 2. Turn the compute
Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 131
32 ThinkPad X300 Hardware Maintenance Manual
Related service information This chapter presents following information: v “Restoring the factory contents by using Product Recovery
5. You will then be prompted to insert Product Recovery Disk 1 into the optical drive. Insert the Product Recovery Disk 1 into
Hard-disk password There are two hard-disk passwords (HDPs): v User HDP—for the user v Master HDP—for the system administrator, wh
For models supporting the Passphrase function, press F1 while the POP icon is appearing on the screen; then enter the POP. For th
Power management To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. Sc
v The ring indicator (RI) is signaled by a serial device or a PC Card device. v The time set on the resume timer elapses. N
Symptom-to-FRU index This section contains following information: v “Numeric error codes” v “Error messages” on page 43 v “Beep s
Table 1. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0187EAIA data access error—The access to EEPROM
Table 1. Numeric error codes (continued) Symptom or error FRU or action, in sequence 0251System CMOS checksum bad— Default configurati
Contents About this manual . . . . . . . . . .v Safety information . . . . . . . . . .1 General safety . . . . . . .
Table 1. Numeric error codes (continued) Symptom or error FRU or action, in sequence 1805Unauthorized Wireless USB card is plugged in
Error messages Table 2. Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load “Setup Default
Beep symptoms Table 3. Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD.
LCD-related symptoms Table 5. Minimum quantity of defective pixels required for LCD replacement on June 2006 or later manufactured
Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware
ThinkPad X300 This chapter presents following product-specific service references and product-specific parts information. v “Specificatio
Table 7. Specifications (continued) Feature Description Audio v Built-in stereo speakers v Software control volume Ethernet (on the
Status indicators The system status indicators show the status of the computer, as follows: 2 1345678910 2 3 4 ThinkPad X300 49
Table 8. Status indicators Indicator Meaning 1 Power on Green: The computer is on and ready to use. This indicator stays lit when
FRU tests The following table shows the test for each FRU. Table 9. FRU tests FRU Applicable test System board 1. Diagnostics --&
Notices . . . . . . . . . . . . . . 131 Trademarks . . . . . . . . . . . . . . 132 iv ThinkPad X300 Hardware Mainten
Table 9. FRU tests (continued) FRU Applicable test Fan 1. Turn on the computer and check the air turbulence at the louver near t
Fn key combinations The following table shows the function of each combination of Fn with a function key. Table 10. Fn key combina
Table 10. Fn key combinations (continued) Key combination Description Fn+F7 Apply a presentation scheme directly, with no need to sta
FRU replacement notices This section contains notices related to removing and replacing parts. Read this section carefully before repl
Retaining serial numbers This section includes the following descriptions: v “Restoring the serial number of the system unit” v “R
Reading or writing the ECA information Information on Engineering Change Announcements (ECA) are stored in the EEPROM of the system
Removing and replacing a FRU This section presents directions and drawings for use in removing and replacing a FRU. Be sure to obs
Before servicing ThinkPad X300 Removing the SIM card: Some models of the ThinkPad X300 you are servicing might have the SIM card t
1010 Battery pack Table 11. Removal steps of battery pack Unlock the battery latch 1. Holding the battery lock lever in the unl
1020 Second battery or travel cover (some models) For access, remove this FRU: v “1010 Battery pack” on page 60 Table 12. Removal
About this manual This manual contains service and reference information for the following ThinkPad® products. ThinkPad X300 MT 2748, 27
1030 Solid state drive (SSD) For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery o
Table 13. Removal steps of SSD (continued) 3 When installing: Make sure that the SSD connector is attached firmly. 4 ThinkPad X300
1040 DIMM For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or travel cover (som
Table 14. Removal steps of DIMM (continued) Note: If only one DIMM is used on the computer you are servicing, the card must be i
1050 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020
Table 15. Removal steps of PCI Express Mini Card for wireless LAN (continued) In step 3, unplug the jacks by using the removal
Table 15. Removal steps of PCI Express Mini Card for wireless LAN (continued) When installing: v In models with 802.11 a/b/g wire
1060 Wireless USB adapter For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or t
Table 16. Removal steps of wireless USB adapter (continued) In step 3, unplug the jacks by using the removal tool antenna RF co
Table 16. Removal steps of wireless USB adapter (continued) 5 ThinkPad X300 71
vi ThinkPad X300 Hardware Maintenance Manual
1070 Keyboard For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or travel cover
Table 17. Removal steps of keyboard (continued) 2333 Lift the keyboard a little in the direction shown by arrow 4, and then deta
When installing the keyboard, do as follows: Table 18. Installation of the keyboard 1. Attach the keyboard connector. 2. Attach the
Table 18. Installation of the keyboard (continued) 3. To make sure that the front side of the keyboard is housed firmly, gently p
1080 Optical drive For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1070 Keyboard” on page 72 Table
1090 Backup battery DANGER For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or
1100 Palm rest or palm rest with fingerprint reader For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v
Table 21. Removal steps of palm rest (continued) 4223343322 Step Screw (quantity) Color Torque 2 M2 × 6 mm, bind-head, nylon-coated
Table 21. Removal steps of palm rest (continued) 87788 80 ThinkPad X300 Hardware Maintenance Manual
1110 Bluetooth daughter card (BDC-2) For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second ba
Safety information This chapter presents following safety information that you need to be familiar with before you service a ThinkPad
1120 Keyboard bezel For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or travel
Table 23. Removal steps of keyboard bezel (continued) 322 Step Screw (quantity) Color Torque 2 M2 × 6 mm, bind-head, nylon-coated
Table 23. Removal steps of keyboard bezel (continued) 6 Note: Before step 8, pull the cables out from the cable guide hole of t
1130 Audio FPC and audio sub card For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second bat
Table 24. Removal steps of audio FPC and audio sub card (continued) 6765 Step Screw (quantity) Color Torque 6 M2 × 4 mm, bind-he
1140 Speaker assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or travel
1150 LCD assembly For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second battery or travel co
Table 26. Removal steps of LCD assembly (continued) 4553 Step Screw (quantity) Color Torque 4 M2 × 3 mm, small-head, nylon-coated
Table 26. Removal steps of LCD assembly (continued) When installing: 1. When you route the cables, make sure that they are not
1160 VGA cable and DC-in connector For access, remove these FRUs in order: v “1010 Battery pack” on page 60 v “1020 Second bat
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