4.1 General 4 4 Replacement Procedures Replacement Procedures 4.1 General This section explains how to disassemble the computer and replace Field Replaceable Units (FRUs). It may not be necessary to remove all the FRUs in order to replace one. The chart below is a guide to which FRUs need to be removed in order to remove others.
4 Replacement Procedures 4.1 General Safety Precautions Before you begin disassembly, read the following safety precautions and observe them carefully as you work. DANGER: 1) Always use the genuine battery that is authorized by Toshiba or compatible with the unit. Since other battery packs have different specifications, they may be incompatible with the unit, and may burst or explode. Never heat or disassemble the battery pack, as that could cause leakage of alkaline solution.
4.1 General 4 Replacement Procedures Before You Begin Look over the procedures in this section before you begin disassembling the computer. Familiarize yourself with the disassembly and reassembly steps. Begin each procedure by removing the AC adapter and the battery pack as instructed in this section: 1. Do not disassemble the computer unless it is operating abnormally. 2. Use only the correct and approved tools. 3.
Replacement Procedures 4.1 General Disassembly Procedures The computer has two basic types of cable connectors: • • • Pressure Plate Connectors Coaxial Cable Connectors Normal Pin Connectors To disconnect a Pressure Plate connector, lift up the tabs on either side of the connector’s plastic pressure plate and slide the cable out of the connector. To connect the cable to a Pressure Plate connector, make sure the pressure plate is fully lifted and slide the cable into the connector.
4.1 General 4 Replacement Procedures Tools and Equipment The use of Electrostatic Discharge (ESD) equipment is very important for your safety and the safety of those around you. Proper use of these devices will increase the success rate of your repairs and lower the cost for damaged or destroyed parts. The following equipment is necessary to disassemble and reassemble the computer: • One M2 point size 0 Phillips screwdriver to remove and replace screws. • One M2.
4 Replacement Procedures 4.1 General Screw Tightening Torque When you fasten screws, be sure to follow the torque list below. CAUTION: Overtightening can damage components and screws; undertightening can result in electrical shorts or other damage if screws or components come loose. NOTE: Toshiba recommends that you use an electric screwdriver for quick and easy operations. • M2 0.17 N·m (1.7 kgf·cm) • M2.5 0.30 N·m (3.0 kgf·cm) • M3 0.57 N·m (5.
4.1 General 4 Replacement Procedures Color of Screw Shaft To avoid mistakes on the screw length, screw shafts are colored as follows: Even number length screw: brown Odd number length screw: white Special length screw: blue Screws whose lengths are indicated to one or more decimal places such as 2.5 mm or 2.8 mm.
4 Replacement Procedures 4.2 4.2 Battery Pack Battery Pack Removing the Battery Pack To remove the battery pack, follow the steps below and refer to figure 4-1. CAUTION: When handling battery packs, be careful not to short circuit the terminals. Also do not drop, hit or apply impact; do not scratch, break, twist or bend the battery pack. 1. Turn off the computer. 2. Disconnect the AC cable and other external devices from the computer. 3. Turn the computer face down. 4.
4.2 Battery Pack 4 Replacement Procedures Installing the Battery Pack To install the battery pack, follow the steps below and refer to figure 4-1. CAUTION: The battery pack is a lithium ion battery, which can explode if not properly replaced, used, handled or disposed of. For environmental reasons, collect the spent battery packs. Use only batteries recommended by Toshiba as replacements. NOTE: Check the battery's terminals visually. If they are dirty, wipe them clean with a dry cloth. 1.
4 Replacement Procedures 4.3 4.3 PC Card PC Card Removing the PC Card To remove the PC card, follow the steps below and refer to figure 4-2. CAUTION: Before you remove a PC card, refer to the card's documentation and your operating system documentation for proper procedures and precautions. 1. Turn the computer face up. 2. Push the eject button. It will pop out when you release it. Then press once more the eject button to eject the PC card. 3. Grasp the PC card and pull it out.
4.3 PC Card 4 Replacement Procedures Installing the PC Card To install the PC card, follow the steps below and refer to figure 4-2. 1. Make sure the eject button does not stick out. 2. Insert the PC card and press it until it is securely connected.
4 Replacement Procedures 4.4 4.4 SD Card SD Card Removing the SD Card To remove the SD card, follow the steps below and refer to figure 4-3. CAUTION: Before you remove the SD card, refer to the card's documentation and to your operating system documentation for proper procedures and precautions. 1. Turn the computer face up. 2. Push the SD card. It will pop out partly when you release, so pull out the card.
4.5 HDD 4.5 4 Replacement Procedures HDD CAUTION: When handling the HDD, do not press the top surface as shown by the arrow. Hold it by the sides. HDD Removing the HDD To remove the HDD, follow the steps below and refer to figures 4-4 and 4-5. 1. Turn the computer upside down. 2. Remove the following screw securing the HDD cover. Remove the HDD cover by lifting up. • M2.5×10B FLAT HEAD screw ×1 M2.
4 Replacement Procedures 4.5 HDD 3. Push the tab of the HDD pack to the direction of the arrow and remove the HDD pack. Be careful not to damage the connector. NOTE: The following steps describe how to disassemble the HDD pack; however, do not disassemble if the HDD is working properly. 4. Remove the following screws. • M3×4S FLAT HEAD screw ×4 5. Remove the HDD bracket. CAUTION: Do not apply pressure to the top or bottom of the HDD. 6. Remove the HDD from the aluminum laminate.
4.5 HDD 4 Replacement Procedures Installing the HDD To install the HDD, follow the steps below and refer to figures 4-4 and 4-5. CAUTION: Do not hold the HDD by its top and bottom flat surfaces. It may damage the HDD. 1. Install the HDD to the aluminum laminate. 2. Place the HDD in the bracket. 3. Secure the HDD to the HDD bracket with the following screws. • M3×4S FLAT HEAD screw ×4 CAUTION: Do not apply pressure to the middle of the HDD pack. It may damage the HDD pack.
4 Replacement Procedures 4.6 4.6 Optical Drive Optical Drive Removing the Optical Drive To remove the optical drive, follow the steps below and refer to figures 4-6 and 4-7. CAUTION: Do not apply excessive force to the top of an optical drive. 1. Remove the following screws securing the optical drive. • M2.5×4B FLAT HEAD screw ×2 2. Slide the optical drive outward to disconnect it from the connector PJ1820 on the system board. M2.
4.6 Optical Drive 4 Replacement Procedures 3. Remove the following screws securing the plastic frame.
4 Replacement Procedures 4.6 Optical Drive Installing the Optical drive To install the optical drive, follow the steps below and refer to figures 4-6 and 4-7. 1. Seat the plastic frame on the side of the optical drive, and secure it with the following screws. • M2×3C • Stepping screw S-FLAT HEAD screw ×4 ×1 2. Slide the optical drive into the slot to connect it to the connector PJ1820 on the system board. 3. Secure the optical drive with the following screws. • 4-18 M2.
4.7 Memory module/ Modem Daughter Card 4.7 4 Replacement Procedures Memory module/ Modem Daughter Card CAUTION: The power of the computer must be turned off when you remove the memory module. Removing a memory module with the power on risks damaging the module or the computer itself. Do not touch the memory module terminals. Any dirt on the terminals may cause memory access problems. Never press hard or bend the memory module. 4.7.
4 Replacement Procedures 4.7 Memory module/ Modem Daughter Card Installing the memory module To install the memory module, confirm that the computer is in boot mode. Then follow the steps below and refer to figures 4-8. 1. Insert the memory module into the connector of the computer slantwise (terminal side first) and press it to connect firmly. CAUTION: The power must be turned off when you insert the memory module.
4.7 Memory module/ Modem Daughter Card 4 Replacement Procedures 4.7.2 Modem Daughter Card Removing the Modem Daughter Card To remove the modem daughter card, follow the steps below and refer to figure 4-9. 1. Remove the following screws securing the modem daughter card. • M2×4B BIND screw ×2 2. Lift up the modem daughter card to disconnect it from the connector PJ3000 on the system board. 4. Disconnect the modem cable from CN1 on the modem daughter card.
4 Replacement Procedures 4.7 Memory module/ Modem Daughter Card Installing the Modem Daughter Card To install the modem daughter card, follow the steps below and refer to figures 4-9. 1. Connect the modem cable to CN1 on the modem daughter card. 2. Connect the modem daughter card to the connector PJ3000 on the system board. CAUTION: Be careful not to damage the card or connector. 3. Secure the modem daughter card with the following screws. • M2×4B BIND screw ×2 4.
4.8 Wireless LAN board 4.8 4 Replacement Procedures Wireless LAN board CAUTION: The power must be turned off when you remove the wireless LAN board. Removing the wireless LAN board with the power on risks damaging the card or the computer itself. Never press hard or bend the wireless LAN board. Removing the wireless LAN board To remove the wireless LAN board, follow the steps below and refer to figure 4-10. 1. Turn the computer upside down. 2. Loosen the screw fixing the wireless LAN board cover.
4 Replacement Procedures 4.8 Wireless LAN board Installing the wireless LAN board To install the wireless LAN board, follow the steps below and refer to figure 4-10. 1. Insert the wireless LAN board terminals slantwise into the connector on the computer and press the wireless LAN board until it is securely in place. 2. Connect the wireless LAN cables (black and white) to the terminals on the wireless LAN board and fix them with the glass tape. 3.