Toshiba Satellite C850D Maintenance Manual
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Toshiba Satellite C850D Maintenance Manual

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Toshiba Personal Computer
Satellite C850D/C855D/L850D/L855D
Satellite Pro C850D/L850D
(PSC7Sx/PSC7Tx/PSC7Ux/PSC7Vx)
(PSKAYx/PSKAZx/PSKB2x/PSKB3x)
(PSKB4x/PSKB5x/PSKB6x/PSKB7x)
Maintenance Manual
TOSHIBA CORPORATION
S/ No
Satellite/Satellite Pro/C850D/C855D/L850D/L855D
Maintenance Manual

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Summary of Contents for Toshiba Satellite C850D

  • Page 1 Toshiba Personal Computer Satellite C850D/C855D/L850D/L855D Satellite Pro C850D/L850D (PSC7Sx/PSC7Tx/PSC7Ux/PSC7Vx) (PSKAYx/PSKAZx/PSKB2x/PSKB3x) (PSKB4x/PSKB5x/PSKB6x/PSKB7x) Maintenance Manual TOSHIBA CORPORATION S/ No Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 2 © 2012 by Toshiba Corporation. All rights reserved. Under the copyright laws, this manual cannot be reproduced in any form without the prior written permission of Toshiba. No patent liability is assumed with respect to the use of the information contained herein.
  • Page 3 NOTE: “Note” contains general information that relates to your safe maintenance service. Improper repair of the computer may result in safety hazards. Toshiba requires service technicians and authorized dealers or service providers to ensure the following safety precautions are adhered to strictly.
  • Page 4 The manual is divided into the following parts: Chapter 1 Hardware Overview describes the Satellite/Satellite Pro/C850D/C855D/L850D/L855D system unit and each FRU. Chapter 2 Troubleshooting Procedures explains how to diagnose and resolve FRU problems. Chapter 3 Test and Diagnostics describes how to perform test and diagnostic operations for maintenance service.
  • Page 5 Conventions This manual uses the following formats to describe, identify, and highlight terms and operating procedures. Acronyms On the first appearance and whenever necessary for clarification acronyms are enclosed in parentheses following their definition. For example: Read Only Memory (ROM) Keys Keys are used in the text to describe many operations.

  • Page 6: Table Of Contents

    Table of Contents Chapter 1 Hardware Overview 1.1 Features ..........................4 1.2 System Unit Components ....................11 1.3 2.5-inch HDD ........................16 1.4 DVD Super Multi (+-R Double Layer) ................17 1.5 Blu-Ray Writer ........................18 1.6 Blu-Ray Writer (BDXL) ....................19 1.7 Blu-Ray COMBO ......................20 1.8 Power Supply ........................21 1.9 Batteries ..........................22 1.91...
  • Page 7 Procedure 3 Format Check ................2-12 Procedure 4 Test Program Check ..............2-13 Procedure 5 Connector Check and Replacement Check ........2-14 Keyboard ......................2-15 Procedure 1 Test Program Check ..............2-15 Procedure 2 Connector Check and Replacement Check ........2-15 Display ........................
  • Page 8 2.15 Headphone Port ....................2-26 Procedure 1 Windows Application Test ............2-26 Procedure 2 Connector Check and Replacement Check ........2-26 2.16 Microphone Port ....................2-27 Procedure 1 Windows Application Test ............2-27 Procedure 2 Connector Check and Replacement Check ........2-27 2.17 Video RGB Port ....................
  • Page 9 3.2.4 Audio Play Test ..................8 3.2.5 Audio Record Test ................... 9 3.2.6 DMI Read ....................10 3.2.7 DMI Write ..................... 10 3.2.8 System Information ................12 3.2.9 View Logs ..................... 13 3.2.10 Exit to Free DOS .................. 14 3.2.11 The Diagnostics Screen Explanation .............
  • Page 10 Chapter 4 Replacement Procedures General ........................4-1 Safety Precautions ....................4-2 Safety Precautions ....................4-2 Before You Begin ....................4-4 Disassembly Procedures ..................4-5 Assembly Procedures ................... 4-5 Tools and Equipment ................... 4-6 Screw Tightening Torque ..................4-6 Colors of Screw Shanks ..................4-7 Symbols of Screws on the Computer Body ............
  • Page 11 Removing Keyboard ..................4-19 Installing the Keyboard ..................4-20 Wireless LAN Card ....................4-21 Removing the Wireless LAN Card ..............4-21 Installing the Wireless LAN Card ..............4-23 CPU Cooling Module and Fan ................4-24 Remove the CPU cooling module and Fan ............4-24 Installing the CPU Cooling Module and Fan .............
  • Page 12 Appendices Appendix A Handling the LCD Module ................A-1 Appendix B Board Layout ....................B-1 Appendix C Keyboard Scan/Character Codes ..............C-1 Appendix D Key Layout ....................D-1 Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...

  • Page 13: Chapter 1 Hardware Overview

    Chapter 1 Hardware Overview Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 14 1 Hardware Overview Chapter 1 Contents 1.1 Features ..........................4 1.2 System Unit Components ....................11 1.3 2.5-inch HDD ........................16 1.4 DVD Super Multi (+-R Double Layer) ................17 1.5 Blue-Ray Writer ........................ 18 1.6 Blu-Ray Writer (BDXL) ....................19 1.7 Blu-Ray COMBO ......................
  • Page 15 1 Hardware Overview Figures Figure 1-1 ID Parts Description Placement ................8 Figure 1-2 Computer Block Diagram ..................9 Figure 1-3 System Board Configurations ................10 Figure 1-4 System Unit Block Diagram .................. 11 Figure 1-5 SATA HDD ......................16 Figure 1-6 DVD Super Multi Drive ..................

  • Page 16: Features

    1.1 Features 1.1 Features Toshiba Satellite C850D/C855D/L850D/L855D and Satellite Pro C850D/L850D is a full size notebook PC based on the mobile AMD Trinity Processor, providing high-speed processing capabilities and advanced features. The computer employs a Lithium Ion battery that allows it to be battery-operated for a longer period of time.
  • Page 17 1.1 Features 1 Hardware Overview Hard Disk Drive (HDD) The computer accommodates 2.5-inch 7.0mm/9.5mm height Serial ATA HDD with following storage capacities: 320 GB (7mm/9.5mm thick) SATA (5,400rpm) 500 GB (7mm/9.5mm thick) SATA (5,400rpm) 640 GB (9.5mm thick) SATA (5,400rpm) 750 GB (9.5mm thick) SATA (5,400rpm) 1TB (9.5mm thick) SATA (5,400rpm) The computer accommodates a fixed 12.7mm ODD with one of following types:...
  • Page 18 Headphone jack Integrated microphone(BTO with Webcam) External microphone jack Keyboard 38 kinds’ countries keyboard, which is Toshiba 2012 A4 with numeric keypad keyboard. Toshiba Touch Pad Normal Gesture Touch Pad (w/ 2 mechanical buttons) USB Port The computer has three USB ports for USB2.0 and USB3.0 (BTO). It is supported to daisy-chain a maximum of 127 USB devices.
  • Page 19 1.1 Features 1 Hardware Overview Webcam (BTO) The computer has an internal camera. It supports either VGA (0.3M) without Macro or HD (1.0M) without Auto Macro modules or FHD (2.0M) without Auto Macro. There is Camera LED (Blue) on the camera module; LED is on when the camera is working. The internal microphone is embedded in this camera module.

  • Page 20: Figure 1-1 Id Parts Description Placement

    1 Hardware Overview 1.1 Features Figures 1-1/1-2/1-3 and 1-4 show the computer and its system unit configuration, respectively. Figure 1-1 ID Parts Description Placement Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...

  • Page 21: Figure 1-2 Computer Block Diagram

    1.1 Features 1 Hardware Overview Figure 1-2 Computer Block Diagram Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...

  • Page 22: Figure 1-3 System Board Configurations

    1 Hardware Overview 1.1 Features Figure 1-3 System Board Configurations Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...

  • Page 23: System Unit Components

    1.2 System Unit Components 1 Hardware Overview 1.2 System Unit Components Figure 1-4 System Unit Block Diagram Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 24 1 Hardware Overview 1.2 System Unit Components The system unit of the computer consists of the following components: Processor: Mobile AMD Trinity Processor. AMD Dual Core Processor − Core Speed: 1.9/2.7 GHz − System Bus: 3200 MHz − On-Die Level 2 Cache: 1MB(A6-4400M) / 4MB(A8-4500M) Memory: Two expansion memory slots are provided.
  • Page 25 1.2 System Unit Components 1 Hardware Overview − Interrupt controller − LPC host bus Controller − Serial Peripheral Interface (SPI) − Compatibility Modules − Advanced Programmable Interrupt Controller (APIC) − Universal Serial Bus (USB)3.0/2.0 host Controller − RTC − GPIO −...
  • Page 26 1 Hardware Overview 1.2 System Unit Components − Scan controller function − Interface controller function − Power supply sequence control − Overheat shutdown support − LED control − Beep control − Device ON/OFF − Cooling fan speed control − Universal I/O port −...
  • Page 27 1.2 System Unit Components 1 Hardware Overview Support following 2 kinds of mini PCI wireless LAN cards − IEEE 802.11bg − IEEE 802.11bgn Data Rate − IEEE 802.11bg: Standard 54M bps − IEEE 802.11bgn: Standard 130M bps Frequency Channel − IEEE802.11bg: 2.4GHz −...

  • Page 28: Inch Hdd

    1 Hardware Overview 1.3 2.5-inch HDD 1.3 2.5-inch HDD The computer contains an extremely low-profile, lightweight and high-performance HDD. The HDD incorporates 7.0/9.5 mm height magnetic disk and mini-Winchester type magnetic heads. The HDD interface conforms to Serial ATA. Storage capacities supported are 320 GB, 500 GB, 640 GB, 750 GB &...

  • Page 29: Dvd Super Multi (+-R Double Layer)

    1.4 DVD Super Multi (+-R Double Layer) 1 Hardware Overview 1.4 DVD Super Multi (+-R Double Layer) The DVD Super Multi drive accepts 12-cm (4.72-inch) and 8-cm (3.15-inch) discs. maximum, the drive can play back a DVD at 8x speed, read CD-ROM at 24x speed, and write CD-R at 24x speed, CD-RW at 4x speed, US CD-RW at 24x speed, High Speed CD-RW at 10x speed, DVD-R at 8x speed, DVD-RW at 6x speed, DVD+R at 8x speed, DVD+R (Double Layer) at 6x speed, DVD-R (Double Layer) at 6x speed, DVD+RW at 8x speed and DVD-RAM at 5x...

  • Page 30: Figure 1-7 Blue-Ray Writer Drive

    1 Hardware Overview 1.5 Blue-Ray Writer 1.5 Blue-Ray Writer Blue-Ray Writer drive accepts 12-cm (4.72-inch) or 8-cm (3.15-inch) discs. At maximum, it can read CD-ROM at 24x speed, play DVD-ROM at 8x speed, read BD-ROM Video at 1.6x speed, BD-ROM Data at 6x speed, and write CD-R at 24x speed, CD-RW at 4x speed, High Speed CD-RW at 10x speed, Ultra Speed CD-RW at 16x speed, DVD-R at 8x speed, DVD+R at 8x speed, DVD-R DL at 4x speed, DVD+R DL at 4x speed, DVD-RW at 6x speed, DVD+RW at 8x speed, DVD-RAM at 5x speed, BD-R at 6x speed and BD-RE at 2x...

  • Page 31: Blu-Ray Writer

    1.6 Blu-Ray Writer (BDXL) 1 Hardware Overview 1.6 Blu-Ray Writer (BDXL) Blu-Ray Writer (BDXL) drive accepts 12-cm (4.72-inch) or 8-cm (3.15-inch) discs. maximum, it can read CD-ROM at 24x speed, play DVD-ROM at 8x speed, read BD-ROM Video at 1.6x speed, BD-ROM Data at 6x speed, and write CD-R at 24x speed, CD-RW at 4x speed, High Speed CD-RW at 10x speed, Ultra Speed CD-RW at 16x speed, DVD-R at 8x speed, DVD+R at 8x speed, DVD-R DL at 6x speed, DVD+R DL at 6x speed, DVD-RW at 6x speed, DVD+RW at 8x speed, DVD-RAM at 5x speed, BD-R at 6x speed, BD-RE at 2x speed, BD-RE...

  • Page 32: Blu-Ray Combo

    1 Hardware Overview 1.7 Blu-Ray COMBO 1.7 Blu-Ray COMBO Blu-Ray Combo drive accepts 12-cm (4.72-inch) or 8-cm (3.15-inch) discs. At maximum, it can read CD-ROM at 24x speed, play DVD-ROM at 8x speed, read BD-ROM Video at 1.6x speed, BD-ROM Data at 6x speed, and write CD-R at 24x speed, CD-RW at 4x speed, High Speed CD- RW at 10x speed, Ultra Speed CD-RW at 16x speed, DVD-R at 8x speed, DVD+R at 8x speed, DVD-R DL at 4x speed, DVD+R DL at 4x speed, DVD-RW at 6x speed, DVD+RW at 8x speed, DVD-RAM at 5x speed, BD-R at 6x speed and BD-RE at 2x speed.

  • Page 33: Power Supply

    1.8 Power Supply 1 Hardware Overview 1.8 Power Supply The power supply unit provides many different voltages for the system board and performs the following functions: 1. Power input monitor Checks whether the DC power supply (AC adapter) is connected to the computer. Checks whether the battery pack is connected to the computer.

  • Page 34: Batteries

    1 Hardware Overview 1.9 Batteries 1.9 Batteries The computer has the following 2 types of battery: Main Battery Pack Real Time Clock (RTC) Battery Table 1-3 lists the specifications of these batteries. Table 1-6 Battery Specifications Battery Type Material Output voltage Capacity 3 Cell Lithium Ion...

  • Page 35: One Time Rtc Battery

    1.9 Batteries 1 Hardware Overview Table 1-7 Quick/Normal Charging Time State Charge Time Off-State Charge 3/6 Cell About 4 hours max On-State Charge 3/6 Cell About 4~10 hours max NOTE: The time required for normal charge depends on the power consumption by the system.

  • Page 36: Chapter 2 Troubleshooting

    2 Troubleshooting 概要 Chapter 2 Troubleshooting Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 37 2 Troubleshooting Chapter 2 Contents Outline ........................2-1 Basic Flowchart ...................... 2-2 Power Supply ......................2-6 Procedure 1 Power Icon Check ............... 2-6 Procedure 2 Connection Check ............... 2-8 Procedure 3 Replacement Check ..............2-8 System Board ......................2-9 Procedure 1 Message Check ................2-9 Procedure 2 Test Program Check ..............
  • Page 38 2 Troubleshooting 2.10 Audio Test ......................2-21 Procedure 1 Test Program Check ..............2-21 Procedure 2 Connector Check and Replacement Check ....... 2-21 2.11 Cooling Module ....................2-22 Procedure 1 Test Program Check ..............2-22 Procedure 2 Connector Check and Replacement Check ....... 2-22 2.12 Touchpad ......................
  • Page 39 2 Troubleshooting Procedure 2 Connector Check and Replacement Check....... 2-31 2.21 Battery Pack ......................2-32 Procedure 1 Windows Application Test ............2-32 Procedure 2 Connector Check and Replacement Check....... 2-32 2.22 HDMI Port ......................2-33 Procedure 1 Windows Application Test ............2-33 Procedure 2 Connector Check and Replacement Check.......
  • Page 40 2 Troubleshooting Figures Figure 2-1 Basic Flowchart (1/2) ..................2-3 Tables Table 2-1 HDD Error Code and Status................. 2-13 Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...

  • Page 42: Outline

    2. Screwdrivers (2.0mm/2.5mm/3mm) 3. Cleaning disk kit (for ODD drive cleaning) 4. Bootable CD 5. Multi-meter 6. External monitor 7. Headphone 8. Microphone 9. A-BEX TEST DVD 10. Music CD 11. DVD TSD-1 (TOSHIBA EMI DVD Test Media) Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...

  • Page 43: Basic Flowchart

    2 Troubleshooting 2.2 Basic Flowchart 2.2 Basic Flowchart The basic flowchart in Figure 2-1 serves as a guide for identifying a possibly faulty FRU. Before going through the diagnostic flowchart steps, verify the following: Ask the user if a password has been registered and, if so, ask him or her to enter the password.
  • Page 44 Turn the power on. Follow the system board diagnostic Any error message displayed?? Procedure in Section 2.4 Follow the display diagnostic Message “Toshiba Leading Innovation” displayed ?? Procedure in Section 2.8 See the previous page to "Password=" displayed?? Delete the password.
  • Page 45 2 Troubleshooting 2.2 Basic Flowchart Follow the keyboard diagnostic Keyboard works well?? Procedure in Section 2.7 Insert Bootable CD into ODD or Bootable USB Memory into USB Port. Follow the diagnostic Diagnostic Program Procedure Loaded?? Perform each test with the diagnostic program.
  • Page 46 2.2 Basic Flowchart 2 Troubleshooting If the diagnostic program cannot detect an error, the error may be intermittent. Run the continuous test program repeatedly to isolate the problem. Check the log utilities function to confirm which diagnostic test detected the error, then perform the appropriate troubleshooting procedures as follows: 1.

  • Page 47: Power Supply

    2 Troubleshooting 2.3 Power Supply 2.3 Power Supply The power supply in the computer controls many functions and components. To check if the power supply is defective or malfunctioning, follow the troubleshooting procedures below as instructed. Procedure 1 Power Icon Check Procedure 2 Connection Check Procedure 3...
  • Page 48 2.3 Power Supply 2 Troubleshooting If the DC IN/Battery Charge LED is off, follow the steps below: 1. Remove the battery pack and the AC adapter to shut off power supply to the computer. 2. Attach the battery and AC adapter back again. If the DC IN/Battery Charge LED is still off, follows the steps below: Check 1 Make sure the DC IN/Battery Charge LED goes on in White or Amber.

  • Page 49: Procedure 2 Connection Check

    2 Troubleshooting 2.3 Power Supply Procedure 2 Connection Check Power is supplied to the system board as illustrated below: System board adaptor AC power cord AC adaptor cord Battery pack Follow the steps below to check whether each connector has been connected correctly: Check 1 Make sure the AC adaptor and AC power cord have been firmly plugged into the DC IN socket and wall outlet, respectively.

  • Page 50: System Board

    2.4 System Board 2 Troubleshooting 2.4 System Board To check if the system board is defective or malfunctioning, follow the troubleshooting procedures below as instructed. Procedure 1 Message Check Procedure 2 Test Program Check Procedure 3 Replacement Check Procedure 1 Message Check When the power is turned on, the system performs the self-diagnostic Power On Self Test (POST) embedded in the BIOS ROM.

  • Page 51: Procedure 2 Test Program Check

    2 Troubleshooting 2.4 System Board Procedure 2 Test Program Check The maintenance test program contains several programs for diagnosing the system board and CPU. Execute the following test programs using the procedures described in Chapter 3. 1. System test 2. Memory test 3.

  • Page 52: Hdd

    2.5 HDD 2 Troubleshooting 2.5 HDD To check if the HDD is defective or malfunctioning, follow the troubleshooting procedures below as instructed. Procedure 1 Message Check Procedure 2 Partition Check Procedure 3 Format Check Procedure 4 Test Program Check Procedure 5 Connector Check and Replacement Check CAUTION: The contents of the HDD will be erased when the HDD diagnostic test or formatting is executed.

  • Page 53: Procedure 3 Format Check

    2 Troubleshooting 2.5 HDD create a DOS partition on drive C. Then restart the computer.. If the problem persists, go to Procedure 3. Check 3 If drive C is listed as active in the FDISK menu, perform Check 4. If drive C is not listed as active, return to the FDISK menu and choose the option to set the active partition for drive C.

  • Page 54: Procedure 4 Test Program Check

    2.5 HDD 2 Troubleshooting Procedure 4 Test Program Check Run the HDD test program stored on the maintenance test program disk for all test items. See Chapter 3 for details on how to use the test program. If an error is detected during the HDD test, an error code and status will be displayed. The error codes and their status names are listed in Table 2-1.

  • Page 55: Procedure 5 Connector Check And Replacement Check

    2 Troubleshooting 2.5 HDD Procedure 5 Connector Check and Replacement Check The HDD or system board may be faulty. Disassemble the computer following the steps described in Chapter 4 and perform the following checks: Check 1 Make sure the following connectors have been firmly connected to the HDD, system board and CPU.

  • Page 56: Keyboard

    2.6 Keyboard 2 Troubleshooting 2.6 Keyboard To check if the computer’s keyboard is defective or malfunctioning, follow troubleshooting procedures below as instructed. Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute the Keyboard test available as part of the maintenance test program. See Chapter 3 for information on how to perform the test.

  • Page 57: Display

    2 Troubleshooting 2.7 Display 2.7 Display To check if the computer’s display is defective or malfunctioning, follow the troubleshooting procedures below as instructed. Procedure 1 External Monitor Check Procedure 2 Test Program Check Procedure 3 Connector Check and Replacement Check Procedure 1 External Monitor Check Connect an external monitor to the computer's external monitor port, then boot the computer.
  • Page 58 2.7 Display 2 Troubleshooting Procedure 3. If there is still an error, perform Check 3. Check 3 The LCD module may be faulty. Replace it with a new one and return to Procedure 3. If there is still an error, perform Check 4. Check 4 The System board may be faulty.

  • Page 59: Odd (Optical Disk Drive)

    CD in the computer's CD, turn on the computer and run the test. Then insert a test ODD (Toshiba-EMI DVD-ROM TEST DISK TSD-1) into the ODD drive. See Chapter 3 for information on how to perform the test.
  • Page 60 2.8 ODD (Optical Disk Drive) 2 Troubleshooting Check 3 The ODD drive may be faulty. Replace the ODD drive with a new one following the steps in Chapter 4. If the ODD drive is still not functioning properly, perform Check 4. Check 4 The system board may be faulty.

  • Page 61: Lan

    2 Troubleshooting 2.9 LAN 2.9 LAN To check if the computer’s LAN is defective or malfunctioning, follow the troubleshooting procedures below as instructed. Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute the LAN check program available as part of the maintenance test program.

  • Page 62: Audio Test

    2.10 Audio Test 2 Troubleshooting 2.10 Audio Test To check if the computer’s Speaker is defective or malfunctioning, follow troubleshooting procedures below as instructed. Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute the Audio test available as part of the maintenance test program.

  • Page 63: Cooling Module

    2 Troubleshooting 2.11 Cooling Module 2.11 Cooling Module To check if the computer’s cooling module is defective or malfunctioning, follow the troubleshooting procedures below as instructed. Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute the Fan On/off test program available as part of the maintenance test program.

  • Page 64: Touchpad

    2.12 Touchpad 2 Troubleshooting 2.12 Touchpad To check if the computer’s Touchpad is defective or malfunctioning, follow troubleshooting procedures below as instructed. Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute Touchpad Test Program available as part of the maintenance test program. This test program checks Touchpad Module.

  • Page 65: Memory

    2 Troubleshooting 2.13 Memory 2.13 Memory To check if the computer’s Memory Module is defective or malfunctioning, follow the troubleshooting procedures below as instructed. Procedure 1 Test Program Check Procedure 2 Connector Check and Replacement Check Procedure 1 Test Program Check Execute Memory Test Program available as part of the maintenance test program.

  • Page 66: Usb Port

    2.14 USB Port 2 Troubleshooting 2.14 USB Port To determine if the computer’s USB Port is functioning properly or malfunctions, perform following procedures. Start with Procedure 1 and continue with the other procedure as instruction below. Procedure 1 Windows Application Test Procedure 2 Connector Check and Replacement Check Procedure 1 Windows Application Test The USB Port Connector is mounted on System Board.

  • Page 67: Headphone Port

    2 Troubleshooting 2.15 Headphone Port 2.15 Headphone Port To determine if the computer’s Headphone Port is functioning properly or malfunctions, perform following procedures. Start with Procedure 1 and continue with the other procedure as instruction below. Procedure 1 Windows Application Test Procedure 2 Connector Check and Replacement Check Procedure 1 Windows Application Test Headphone Port Connector is mounted on System Board.

  • Page 68: Microphone Port

    2.16 Microphone Port 2 Troubleshooting 2.16 Microphone Port To determine if the computer’s Microphone Port is functioning properly or malfunctions, perform following procedures. Start with Procedure 1 and continue with the other procedure as instruction below. Procedure 1 Windows Application Test Procedure 2 Connector Check and Replacement Check Procedure 1 Windows Application Test Microphone Port Connector is mounted on System Board.

  • Page 69: Video Rgb Port

    2 Troubleshooting 2.17 Video RGB Port 2.17 Video RGB Port Video RGB Port Board or System Board may be the reason of Video RGB Port fault. Either of these two components may be damaged. To determine if the computer’s Video RGB Port is functioning properly, perform following procedures.

  • Page 70: Card Reader

    2.18 Card Reader 2 Troubleshooting 2.18 Card Reader Card Reader Board or System Board may be the reason of Card Reader fault. Either of these two components may be damaged. To determine if the computer’s Card Reader is functioning properly, perform following procedures. Start with Procedure 1 and continue with the other procedure as instruction below.

  • Page 71: Camera

    2 Troubleshooting 2.19 Camera 2.19 Camera Camera Module or System Board may be the reason of Camera fault. Either of these two components may be damaged. To determine if the computer’s Camera is functioning properly, perform following procedures. Start with Procedure 1 and continue with the other procedure as instruction below.

  • Page 72: Wireless Lan

    2.22 HDMI Port 2 Troubleshooting 2.20 Wireless LAN Wireless Module or system board may be the reason of Wireless LAN fault. Either of these two components may be damaged. To determine if the computer’s Wireless LAN module is functioning properly, perform following procedures. Start with Procedure 1 and continue with the other procedures as instruction below.

  • Page 73: Battery Pack

    2 Troubleshooting 2.21 Battery Pack 2.21 Battery Pack Battery Pack or system board may be the reason of Battery fault. Either of these two components may be damaged. To determine if the computer’s Battery Pack is functioning properly, perform following procedures. Start with Procedure 1 and continue with the other procedures as instruction below.

  • Page 74: Hdmi Port

    2.22 HDMI Port 2 Troubleshooting 2.22 HDMI Port To determine if the computer’s HDMI Port is functioning properly or malfunctions, perform following procedures. Start with Procedure 1 and continue with the other procedure as instruction below. Procedure 1 Windows Application Test Procedure 2 Connector Check and Replacement Check Procedure 1 Windows Application Test The HDMI Port Connector is mounted on System Board.

  • Page 75: Chapter 3 Diagnostic Programs

    Chapter 3 Diagnostic Programs...
  • Page 76 3 Diagnostic Programs Chapter 3 Contents General .......................... 1 Quick Start ........................3 3.2.1 Quick Test ....................3 3.2.2 Customization Test .................. 3 3.2.3 Keyboard Layout test ................7 3.2.4 Audio Play Test ..................8 3.2.5 Audio Record Test................... 9 3.2.6 DMI Read ....................
  • Page 77 3 Diagnostic Programs 3.10 Peripheral ........................55 3.11 Error Codes and description ..................58 3.12 Quick Test Item List ...................... i Satellite/ Satellite Pro /C850D/C855D/L850D/L855D/L850D/C850D Maintenance Manual Maintenance Manual Maintenance Manual Maintenance Manual...

  • Page 79: General

    3.1 General 3 Diagnostic Programs General This chapter explains the diagnostic programs which tests and diagnoses the functions of the hardware components of this computer. The diagnostic programs can be classified into two types: OPTION and DIAGNOSTIC TEST. NOTE 1: This Diagnostic supports Dakar 10 10 10 10AC AC AC AC/ / / / 10 10 10 10ACG Dakar Dakar...
  • Page 80 A Service Diagnostic BOOT CD or USB Flash Memory A Formatted FLOPPY DISK A Test Media CD (A-BEX TEST CD-ROM TCDR-702)(for CD-ROM test) A Test Media DVD (Toshiba-EMI DVD-ROM TEST DISK TSD-1) An External Monitor (for DISPLAY test) A CD-ROM Driver (for CD-ROM test)

  • Page 81: Quick Start

    3.2 Quick Start 3 Diagnostic Programs Quick Start When the system is booting from Service Diagnostic USB Flash Memory or CD, the following screen will be displayed: Please select a test item or select 0 to exit to Free-DOS: 3.2.1 Quick Test When this item is selected, the system will run the configured test items and generate a test report automatically.
  • Page 82 3 Diagnostic Programs 3.2 Quick Start Use arrow key to select ‘Mouse’ item on ‘Peripheral’ in the menu, then press Space key to select it. (When it is being selected, there is a X marked in the Select ‘Test Mouse’ or press F8 to run the test. The prompt information would be displayed in the screen as below.
  • Page 83 3.2 Quick Start 3 Diagnostic Programs Here is another method to run the test: Highlight a test item by using arrow keys, then, press Enter to start. If there are parameters provided, user should set parameters in the parameter dialog window. CPU Speed Test (Step by Step): Select test item: Select System—CPU—CPU Speed, then, press the Enter key.
  • Page 84 3 Diagnostic Programs 3.2 Quick Start Parameters Setting Choose the OK button after you set the proper parameters in the following window. Test Result System will automatically run and display the test result as follows: Following is the comparison report of the two testing methods mentioned above: 1) Configuration and Running As to the method used in Mouse test, the user is required to select test items by pressing Space key and set the parameters artificially, (See 3.3.3 Item’s Parameters...

  • Page 85: Keyboard Layout Test

    3.2 Quick Start 3 Diagnostic Programs Configuration) Then press F8 to start the test. User should configure each parameter in advance; otherwise the default parameters would be used. Using this method, user is allowed to select more than one test item at one time. 2) Running the current test item As to the method adopted in CPU Speed test, user should highlight the test item and press Enter to start testing.

  • Page 86: Audio Play Test

    3 Diagnostic Programs 3.2 Quick Start It requires user to press the key and check whether the key in the screen changes color or not. User can terminate test by typing ‘END’. When the user has checked all the keys and all the keys in the screen have changed color, the diagnostics program would automatically end the test and report the pass Information.

  • Page 87: Audio Record Test

    3.2 Quick Start 3 Diagnostic Programs 3.2.5 Audio Record Test Check whether the system could record the sound normally. If there is no error during the whole test, Pass; otherwise, Fail. When the test is completed, a file named Audio_r.log will be saved in the defined location. Satellite/ Satellite Pro /C850D/C855D/L850D/L855D/L850D/C850D Maintenance Manual Maintenance Manual...

  • Page 88: Dmi Read

    3 Diagnostic Programs 3.2 Quick Start NOTE 1: This test needs an audio loopback cable. 3.2.6 DMI Read Read the information from the system’s SMBIOS and display it in the screen as follows: User can press any key to exit the program. 3.2.7 DMI Write In addition to reading the DMI information, DMI Write also permits attributes editing and updating: Manufacture, Product Name, Version, Serial Number, and OEM Part...
  • Page 89 3.2 Quick Start 3 Diagnostic Programs In this screen, there are two lines which attribute could be edited and updated. The 1 line (the font in yellow with blue background) shows the attribute’s value that is read from the current system and the 2 line (the font in red with turquoise background) shows the same value as that in the 1 line before user’s editing.

  • Page 90: System Information

    3 Diagnostic Programs 3.2 Quick Start The attributes that have been modified would be marked in red; otherwise in yellow. User could press F2 to save the changes, or press F4 to ignore and exit the current program. 3.2.8 System Information This function is used to read the system information.

  • Page 91: View Logs

    3.2 Quick Start 3 Diagnostic Programs On the left column of the above screen, the detected hardware components are listed. The corresponding information of the detected hardware components is displayed on the right of the screen. It displays the current running status information of the check program. The name of the program is marked on the top of the screen.

  • Page 92: Exit To Free Dos

    3 Diagnostic Programs 3.2 Quick Start 3.2.10 Exit to Free Free DOS Free Free Select this item to exit to Free DOS. 3.2.11 The Diagnostics Screen Explanation Below is an example of running a test item. It includes the following parts: Diagnostics Windows, Test Status Area, Progress Bar, Error List, Test Item’s Title, Status Bar and Message Box.
  • Page 93 3.2 Quick Start 3 Diagnostic Programs 1. Diagnostics Windows When a test item is running, a Diagnostics Windows is displayed in full screen. It consists of the following parts: Title Bar, Test Running Status and Report Panel, Status Bar. There would prompt a message box called USER BREAK in the central of the window whether user press ESC to interrupt the test.
  • Page 94 3 Diagnostic Programs 3.2 Quick Start Pressing ESC key to interrupt the test, USER BREAK message box would be prompted out in the central of Diagnostics Window for the user to select the following actions: CONTINUE---- Continue the test; SKIP---- Stop the sub-item of current test item to go to the next item’s test; ABORT----Stop the current test item to test the next module.
  • Page 95 3.2 Quick Start 3 Diagnostic Programs CPU Temperature: Detect the temperature in the current CPU, e.g. ‘CPU: 56C’ in the above screen; Remaining Battery Capacity: Remaining Battery Capacity detected in the current Battery, e.g. ‘BAT: 46%’; Test Order: Define the test sequence. There is two sequence modes: Sequential Test Mode and Random Test Mode.

  • Page 96: Options

    3 Diagnostic Programs 3.3Option Options 3.3.1 Overview In Service Diagnostics, with the Options menu user can configure the batch parameters, test item’s parameters and those parameters created by the LOG file. Options Menu Notes: • Select All/None Items Switch between selecting all test items and selecting none. The hot key is F6. •...

  • Page 97: Batch Parameters Configuration

    3.3 Option 3 Diagnostic Programs • Edit Batch Parameters Configure batch parameters and all the test item’s parameters. • Load Batch Parameters Upload all the test items and the parameters to the *.ini file. • Save Batch Parameters Save all the parameters and the test items that are configured in the editor to a specified file.
  • Page 98 3 Diagnostic Programs 3.3Option • Test Order Specify the order of the test items. Choose 'Sequence' to adopt the sequential mode; choose 'Random' to run the test items in random sequence. • Test Options Choose one of the following options: Wait On Error Wait for further confirmation while an error occurs.

  • Page 99: Item's Parameters Configuration

    3.3 Option 3 Diagnostic Programs Monitor CPU Thermal Monitor the CPU temperature. • Test Mode LOOPBOUND The chosen test items will run repeatedly according to the times specified in the 'Number of Loops'. TIMEBOUND The chosen test items will run for an extent time specified in 'Time Limit Hrs' and 'Time Limit Min'.

  • Page 100: Load Batch Parameters

    3 Diagnostic Programs 3.3Option • Interactive If the item is enabled during the test, the test items that need user to response can run normally, such as PS2 Mouse test; If it is disabled, those test items will report FAIL. Whether the option here is enabled, it only affects the current test item.

  • Page 101: Save Batch Parameters

    3.3 Option 3 Diagnostic Programs In this window, you can specify the .INI files that you wanted to be edited or modified. 3.3.5 Save Batch Parameters Here you can save the edited or modified content to the batch parameters files. Satellite/ Satellite Pro /C850D/C855D/L850D/L855D/L850D/C850D Maintenance Manual Maintenance Manual...

  • Page 102: Log Parameters Setting

    3 Diagnostic Programs 3.3Option 3.3.6 LOG Parameters Setting You can access the Log Parameters screen through Service Diagnostics\Options - Generate Report. • Report Destination If selecting 'NONE', no log file will be generated; if selecting 'FILE', a log file with the name specified in 'Log File Name' will be generated.

  • Page 103: Specify Log Viewer

    3.3 Option 3 Diagnostic Programs If selecting this parameter, errors and time will be recorded only when the test fails. Append to Old Log File If selecting this parameter, the new log will be added to the old one. Log Device Info on Fail If selecting this parameter, details of the failed test will be recorded.

  • Page 104: Log Viewer

    3 Diagnostic Programs 3.3Option In this screen, you can specify a Log file and view it with the viewer designated in Specify LOG Viewer. 3.3.9 LOG Viewer Service Diagnostic Log viewer: • ↑, ↓ Scroll a line backward or forward on the screen. •...

  • Page 105: Log File Sample

    3.3 Option 3 Diagnostic Programs Scroll a page backward or forward on the screen. • Exit the Log viewer. • Display the Help information about the Log viewer operations and the functional keys. • Ctrl+Home Go to the start of the log file. •...
  • Page 106 3 Diagnostic Programs 3.3Option Base Memory Test : PASS Extended Memory Test : PASS End Time: Wed Jul 05 10:47:51 2006 <Module Name>: Service Diagnostic Ver 1.00 ... Mouse Test Build Date 2006.01.10 [MSTPad] Begin Time: Wed Jul 05 10:48:54 2006 Touch Pad Test : FAIL ITEM TEST FAIL...

  • Page 107: Subtests

    3.4 Subtests 3 Diagnostic Programs Subtests Test Test Item Subtest Test items Internal Name Group System 01 CPU 01 Basic Functionality Test [CPUBasicFun] 02 CPU Speed [CPUSpeed] Coprocessor Coprocessor NPU Basic Functions [NPUFun] 04 CPU Information [CPUInformation] 05 CPU Protected Mode [Protect] 06 MMX [MMX]...
  • Page 108 3 Diagnostic Programs 3.4 Subtests 11 Bus Noise [BusNoise] Memory Speed [MemSpeed] Test Storage 01 HDD 01 Sequential/Random R/W [SeqRdRW1] 02 Sequential/Random Seek [Seek1] 03 Performance [Perform1] 04 Controller Check [Controller1] 05 Diagnostic Read/Write [DiagRW1] 06 SMART Test [SMART1] Video 01 Text Mode 01 Character Test [CharTest]...
  • Page 109 3.4 Subtests 3 Diagnostic Programs 03 Mac Address Detection [MAC Address] Peripheral 01 Keyboard 01 Keyboard Data Line [KBDataLn] 02 Keyboard Clock Line [KBClokLn] 02 Mouse 01 TouchPad [MSTpad] 03 Led 01 Device Led [KBLED] Satellite/ Satellite Pro /C850D/C855D/L850D/L855D/L850D/C850D Maintenance Manual Maintenance Manual Maintenance Manual Maintenance Manual...

  • Page 110: System Test

    3 Diagnostic Programs 3.5 System Test System Test Move arrow keys and press the Space key to select CPU test item from Service Diagnostic menu, then highlight CPU and press the Enter to run this test item. Subtest 01 CPU 1.
  • Page 111 3.5 System Test 3 Diagnostic Programs CPU Speed Comparison--Whether you want to make a comparison of the CPU speed with the value set in ‘Expected CPU Speed’, you should choose ‘Yes’; otherwise, ‘No’. Expected CPU Speed--Specify the expected CPU Speed value you want for further comparison.
  • Page 112 3 Diagnostic Programs 3.5 System Test 5. CPU Protected Mode Test This test item is to check whether CPU protected mode instruction works normally. 6. MMX The test item is to confirm whether the CPU supports MMX instructions. Subtest 02 Boards 1.
  • Page 113 3.5 System Test 3 Diagnostic Programs 5. Plug and Play This test item is to check: 1. Whether the current system supports Plug-n-Play; 2. Whether there is an ESCD (Extended System Configuration Data) in the BIOS; 3. Whether there is PCI-to-ISA bridge in the system; 4.
  • Page 114 3 Diagnostic Programs 3.5 System Test 36 Satellite/ Satellite Pro /C850D/C855D/L850D/L855D/L850D/C850D Maintenance Manual Maintenance Manual Maintenance Manual Maintenance Manual...

  • Page 115: Memory Test

    3.6 Memory Test 3 Diagnostic Programs Memory Test This test module is to check whether the memory chip works normally. Subtest 01 BIOS ROM This test item is to check the validity of BIOS ROM that includes two sub-items -- ROM Read and ROM Write Protection.
  • Page 116 3 Diagnostic Programs 3.6 Memory Test Extended Memory Start Address (MB) & Extended Memory End Address (MB): Set the range of extended memory that is to be tested, the test coverage would be based on the setting and the value in ‘Percent (%) mentioned at below.
  • Page 117 3.6 Memory Test 3 Diagnostic Programs In addition to the above pattern test of the memory, there is Read/Write Cycle test and Read Cycle Test for the extended memory. Below is the parameter dialog window of the extended pattern test. Test Range: Specify the test coverage range of Extended Memory.
  • Page 118 3 Diagnostic Programs 3.6 Memory Test 2. Read Cycle Test Test by using read instructions. Subtest 04 Walking 1’s Test The test item is to ensure that there is no short circuitry issue in memory chip. The parameter dialog window is the same as that in ‘Subtest 02 Pattern’. Subtest 05 Walking 0’s Test The test item is to ensure that there is no open circuitry issue in memory chip.
  • Page 119 3.6 Memory Test 3 Diagnostic Programs 2. Random Increment Read/Write This test item is to check whether the memory could be correctly accessed with randomized memory address and a series of incremental data. Subtest 10 Data Bus Test This test item is to check whether the data bus works normally. Subtest 11 Bus Noise Test This test item is to check whether the bus noise works normally.

  • Page 120: Storage

    3 Diagnostic Programs 3.7 Storage Storage Subtest 01 HDD This test item runs on IDE hard disks. It checks the functions and performance of IDE hard disk. In order to protect user’s HDD data, the password must be verified before the HDD test.
  • Page 121 3.7 Storage 3 Diagnostic Programs invalid. If user chooses Special Size, the test of IDE HDD will be taken according to the coverage range that user chooses or time. LBA Start, LBA End--Specify the start and end byte in LBA (Large Block Address).
  • Page 122 3 Diagnostic Programs 3.7 Storage IDE HDD Test Range—is same as the description of the upper item. LBA Start, LBA End-- specify start and finish byte in LBA(Large Block Address); Option-- Select sequential test or random test; Percent-- Specify the coverage rate in percentage of the total disk. Time Limit(h): Choose or Input the time (hour) of the defined range of the total disk to be tested;...
  • Page 123 3.7 Storage 3 Diagnostic Programs Percent (1-100)-- Specify the coverage rate in percentage of the total disk. Time Limit(h): Choose or Input the time (hour) of the defined range of the total disk to be tested; Time Limit(m): Choose or Input the time (minute) of the defined range of the total disk to be tested;...

  • Page 124: Video

    3 Diagnostic Programs 3.8 Video Video This test item tests the video by: displaying the figures in different graphic modes. displaying the property and color of the characters in different text modes. User will confirm whether each video mode works normally by judging whether the display is correct.
  • Page 125 3.8 Video 3 Diagnostic Programs It would display the below texts of the different attributes in the screen: 1. Text in normal attribute; 2. Text in blinking normal attribute; 3. Text in inverse attribute; 4. Text in blinking inverse attribute; 5.
  • Page 126 3 Diagnostic Programs 3.8 Video 4. Text Color This test item is to check whether all 16 colors foreground and all 8 colors background works normally in VGA text mode. The bit4-6 of the attribute byte of a character defines 8 background colors (black, blue, green, cyan, red, brown, magenta, and light gray), and the bit0-3 defines 16 foreground colors (dark gray, light blue, light green, light cyan, light red, light magenta, yellow, and white besides the above 8 colors).
  • Page 127 3.8 Video 3 Diagnostic Programs This test item is to check whether 80*25 Text Mode works normally. In the test, user is required to respond according to the instruction in the screen. Subtest 02 640 * 480 VGA Mode This test item is to check whether 680*480 VGA Text mode works normally. In the test, user is required to respond according to the instruction in the screen.
  • Page 128 3 Diagnostic Programs 3.8 Video Subtest 03 VESA Video Modes This test item is to check whether all the video modes supported by the video card works normally. In the test, user is required to respond following the instruction in the screen. 1.
  • Page 129 3.8 Video 3 Diagnostic Programs If press Ctrl+Break to force the test to terminate during execution of VESA Video Memory, the test program will not operate and display properly in further tests. Subtest 05 AGP Test This test item is to report the system’s Accelerated Graphics Port status and check whether AGP registers works normally.
  • Page 130 3 Diagnostic Programs 3.8 Video Subtest 07 Register Test This test item is to check whether the registers of the video adapter works normally. Subtest 08 Color Purity Test This test item is to check whether the system (the video adapter and the display) could display the purity color of red, green, blue, black and white.
  • Page 131 3.8 Video 3 Diagnostic Programs Subtest 10 DAC/Palette Address This test item is to check the function of DAC registers and Palette registers. In the test, user is required to respond according to the instruction in the screen. Satellite/ Satellite Pro /C850D/C855D/L850D/L855D/L850D/C850D Maintenance Manual Maintenance Manual Maintenance Manual...

  • Page 132: Communication (Comm)

    3 Diagnostic Programs 3.9 Communication (COMM) Communication (COMM) Subtest 01 LAN Card This test item is to check whether the module can detect the existence of the network card and display its related information. 1. Device ID Detection Detect the device ID of the network card. 2.

  • Page 133: Peripheral

    3.10 Peripheral 3 Diagnostic Programs 3.10 Peripheral Subtest 01 Keyboard This test item is to check whether the keyboard works normally. 1. Keyboard Data Line Test Check whether the keyboard data line works normally. 2. Keyboard Clock Line Test Check whether the keyboard clock line works normally. Subtest 02 Mouse Test Check whether the point devices work normally.
  • Page 134 3 Diagnostic Programs 3.10 Peripheral Subtest 03 Led Test 1. Led Test Check whether the white led works normally. 56 Satellite/ Satellite Pro /C850D/C855D/L850D/L855D/L850D/C850D Maintenance Manual Maintenance Manual Maintenance Manual Maintenance Manual...
  • Page 135 3.10 Peripheral 3 Diagnostic Programs Check whether the orange led works normally. Satellite/ Satellite Pro /C850D/C855D/L850D/L855D/L850D/C850D Maintenance Manual Maintenance Manual Maintenance Manual Maintenance Manual...

  • Page 136: Error Codes And Description

    3 Diagnostic Programs 3.11Error Codes and Description 3.11 Error Codes and description The format of ‘Error Code’ is ‘ddxxee’, and ‘dd’ is the device ID (1~2 chars), ‘xx’ is test function ID of device (2 chars), ‘ee’ is the error code of device (2 chars); the range of error code is from 01 to 99 in each device (the common error codes in all device are set to 99 and spanned).
  • Page 137 3.11Error Codes and Description 3 Diagnostic Programs The test pattern read out from the extension memory is different (XMS)Memory Problem As above. from the one that has been written in this address. (XMS) Out Of Range Wrong parameters setup. Check and reset the parameters. Interference between different Test this memory chip on Address Test Error...
  • Page 138 3 Diagnostic Programs 3.11Error Codes and Description Repeat multiple times. If there is PCI to ISA Bridge Error PCI-ISA bridge errors. always the same error, replace the board. ESCD Error ESCD errors. As above. ACPI Table Test Error Errors with the ACPI table test. As above. 34xx Fan Slow Speed Test Fail The fan slow speed test fails.
  • Page 139 3.11Error Codes and Description 3 Diagnostic Programs Check and see whether the AGP AGP configuration register AGP Test Error video card has any physical errors. problem. LCD Panel Test Error Lower LCD color resolution. Replace the LCD. Physical problems with the video Check and see whether the video Register Test Error card.
  • Page 140 3 Diagnostic Programs 3.11Error Codes and Description 05xx Mouse Check the mouse connection and Touch Pad Test Fail Touch Pad Test Fail repeat the test. 20xx IDE-HDD Wrong test parameters are input Get Parameter Fail ! Reinput the correct parameters. by user.

  • Page 141: Quick Test Item List

    3.12 Quick Test Item List 3 Diagnostic Programs 3.12 Quick Test Item List Device Test Items Comment Basic Functionality NPU Basic Functions CPU Information Memory Cache Memory Bit Stuck High Test 10% or 3 minutes Bit Stuck Low Test 10% or 3 minutes Address Test Board Interval Timer...

  • Page 142: Chapter 4 Replacement Procedures

    Chapter 4 Replacement Procedures...
  • Page 143 4 Replacement Procedures 4-ii Satellit /Satellite Pro /C850D/C855D /L850D/L855D Maintenance Manual...

  • Page 144: General

    1 Hardware Overview Chapter 4 Contents General ..............Fehler! Textmarke nicht definiert. Safety Precautions ........... Fehler! Textmarke nicht definiert. Safety Precautions ........... Fehler! Textmarke nicht definiert. Before You Begin ........... Fehler! Textmarke nicht definiert. Disassembly Procedures........Fehler! Textmarke nicht definiert. Assembly Procedures ........
  • Page 145 4 Replacement Procedures 4.16 Touchpad board and Touchpad bracket Installing the ODD Bay Module ..... Fehler! Textmarke nicht definiert. Disassembling the ODD Drive ....... Fehler! Textmarke nicht definiert. Assembling the ODD Drive ......Fehler! Textmarke nicht definiert. Keyboard ............... Fehler! Textmarke nicht definiert. Removing Keyboard ........
  • Page 146 1 Hardware Overview 4.16 Touchpad board and Touchpad bracket ....Fehler! Textmarke nicht definiert. Removing the Touchpad board and Touchpad bracket ..Fehler! Textmarke nicht definiert. Install the Touchpad board and Touchpad bracket ..Fehler! Textmarke nicht definiert. Satellit /Satellite Pro /C850D/C855D /L850D/L855D Maintenance Manual...
  • Page 147 4 Replacement Procedures 4.16 Touchpad board and Touchpad bracket Figures Figure 4-1 Removing the battery pack ......Fehler! Textmarke nicht definiert. Figure 4-2 Removing the Bridge Media ......Fehler! Textmarke nicht definiert. Figure 4-3 Removing the HDD pack ........ Fehler! Textmarke nicht definiert. Figure 4-4 Removing the HDD chassis ......
  • Page 148 4.1 General 4 Replacement Procedures General This chapter explains how to disassemble the computer and replace Field Replaceable Units (FRUs). Some replacement procedures may not require you to remove all the surrounding FRUs to replace only one FRU. The chart below shows the FRUs in the order in which they should be removed in a top-down manner, irrespective of their physical locations.
  • Page 149 DANGER: Always use the genuine batteries or replacement batteries authorized by Toshiba. Batteries other than those differ in specifications and are incompatible with the computer. They may burst or explode. To avoid leakage of alkaline solutions, never heat or disassemble the battery packs.
  • Page 150 For AC input, be sure to use the AC adapter and AC power cable that come with your computer or Toshiba-recommended equivalents. To avoid the risk of electrical shock, make sure that all the replacement components meet the specifications of the computer and that all the cables and connectors are fastened securely.
  • Page 151 4 Replacement Procedures 4.1 General Before You Begin Before you begin to disassembly the computer, keep in mind the precautions and advice in this section. Always begin disassembly by removing the AC adapter and battery pack. Remove the optional parts and accessories as well. The procedures for removing the batteries will be explained later.

  • Page 152: Disassembly Procedures

    4.1 General 4 Replacement Procedures Disassembly Procedures The cable connectors come in these two basic types: Pressure plate connectors Normal pin connectors To remove a pressure plate connector, pull up the tabs on either side of the connector's plastic pressure plate and gently pull the cable out of the connector. To reconnect the cable to the pressure plate's connector, raise the pressure plate up to a satisfactory height and slide the cable into the connector.

  • Page 153: Tools And Equipment

    4 Replacement Procedures 4.1 General Tools and Equipment For your safety and that of other people in the working environment, it is strongly recommended that you use electrostatic discharge (ESD) equipment. The proper use of this equipment will ensure successful repair work and reduce the costs for repairing damaged components.

  • Page 154: Colors Of Screw Shanks

    4.1 General 4 Replacement Procedures Colors of Screw Shanks For easy identification of the correct screws, the screw shanks are colored according to their lengths, as follows: Screws of an even-numbered length Brown Screws of an odd-numbered length White Screws of a special length Black Screws of a special length are those of a length having decimal places, such as 2.5 mm and 2.6 mm.

  • Page 155: Battery Pack/Pc Card/Bridge Media

    4 Replacement Procedures 4.2 Battery Pack/Bridge Media Battery Pack/Bridge Media 4.2.1 Battery Pack Removing the Battery Pack Remove the battery pack according to the following procedures and Figure 4-1. CAUTION: When handling the battery packs, use care not to short circuit the terminals.

  • Page 156: Installing The Battery Pack

    Always dispose of the battery packs as required by local ordinances or regulations. Use only replacement batteries recommended by Toshiba. NOTE: Visually check the battery's terminals. If they are dirty, clean them with a dry cloth.

  • Page 157: Bridge Media

    4 Replacement Procedures 4.2 Battery Pack/Bridge Media 4.2.2 Bridge Media Removing the Bridge Media Remove the Bridge Media according to the following procedures and Figure 4-2, after checking that the computer is turned off in boot mode. 1. Push a Bridge media. It will pop out partly when you release, so pull out the Bridge media.

  • Page 158: Hdd

    4.3 HDD 4 Replacement Procedures Removing the HDD CAUTION: Do not press on the top or bottom of the drive. Applying such pressure can either corrupt the data in the drive or damage the drive. Remove the HDD (hard disk drive) according to the following procedures and Figures 4-3, 4- 1.
  • Page 159 4 Replacement Procedures 4.3 HDD NOTE: Do not disassemble the HDD pack when it is working normally. Disassemble or replace the HDD pack only if it fails. 4. Place the HDD pack on a flat surface (such as a desk), and remove the four M3x3.5 black flat head screws.

  • Page 160: Installing The Hdd

    4.3 HDD 4 Replacement Procedures Installing the HDD Install the HDD according to the following procedures and Figures 4-3, 4-4. CAUTION: To avoid damage, always hold the HDD only by its sides. 1. Attach the HDD chassis. 2. Secure the HDD and its chassis with the four M3x3.5 black flat head screws. CAUTION: To prevent the HDD bracket from being distorted when installing the HDD pack into the computer, do not press the center of the HDD pack.

  • Page 161: Memory Module And Rtc Battery

    4 Replacement Procedures 4.4 Memory Module and RTC battery Memory Module and RTC battery Removing the Memory Module and RTC battery Remove the memory module and RTC battery according to the following procedures and Figures 4-5, after checking that the computer is turned off in boot mode. CAUTION: Remove the optional memory after turning off the computer.

  • Page 162: Installing The Memory Module And Rtc Battery

    4.4 Memory Module and RTC battery 4 Replacement Procedures Installing the Memory Module and RTC battery Install the memory module and RTC battery according to the following procedures and Figures 4-5, after checking that the computer is turned off in boot mode. CAUTION: Install the optional memory after turning off the computer.

  • Page 163: Odd Bay Module

    4 Replacement Procedures 4.5 ODD Bay Module ODD Bay Module Removing the ODD Bay Module NOTE: The installation and removal procedures are the same for all the modules that can be installed in the ODD bay. See the appropriate sections for the disassembly procedures of specific modules.

  • Page 164: Installing The Odd Bay Module

    4.5 ODD Bay Module 4 Replacement Procedures Installing the ODD Bay Module Install the ODD bay module according to the following procedures and Figures 4-6. 1. Place the ODD bay module in the correct position and slide it in. 2. Push it in until it clicks into place. 3.

  • Page 165: Disassembling The Odd Drive

    4 Replacement Procedures 4.5 ODD Bay Module Disassembling the ODD Drive NOTE: Do not disassemble the ODD drive when it is working normally. Disassemble or replace the ODD drive only if it fails. Disassemble the ODD drive according to the following procedures and Figure 4-7. 1.

  • Page 166: Keyboard

    4.6 Keyboard 4 Replacement Procedures Keyboard Removing Keyboard Remove the Keyboard according to the following procedures and Figure 4-8. 1. Insert your finger in top cover left hold and Push keyboard corner, so let keyboard corner pops up. 2. Release the following 14 latches on the keyboard cover, in that order: - Six bottom latches, (The leftmost latch first, by the Sequence to the rightmost.) - One latch on right side and one latch on left sides - Six front latches.

  • Page 167: Installing The Keyboard

    4 Replacement Procedures 4.6 Keyboard Installing the Keyboard Install the keyboard according to the following procedures and Figure 4-8. 1. Connect the keyboard cable to CN250 on the system board. 2. Place the keyboard cover in the correct position and secure the following 14 latches, in that order: - One latch on right side and one latch on left sides.

  • Page 168: Wireless Lan Card

    4.7 Wireless LAN card 4 Replacement Procedures 4.7 Wireless LAN Card Removing the Wireless LAN Card Remove the wireless LAN card according to the following procedures and Figure 4-9, 4-10, 4-11. CAUTION: Do not touch the connectors on the wireless LAN card and in the computer with your bare hands.
  • Page 169 4 Replacement Procedures 4.7 Wireless LAN card 2. Follow the direction of the arrow (step1), push the button cover so let the hook released. 3. Follow the direction of the arrow (step2 to step5), release the 4 hooks. Hook Push Push Hook Push...

  • Page 170: Installing The Wireless Lan Card

    4.7 Wireless LAN card 4 Replacement Procedures Installing the Wireless LAN Card Install the wireless LAN card according to the following procedures and Figure 4-9, 4-10, 4- 1. Insert the wireless LAN card into the CN1300 an angle of 45 degrees. 2.

  • Page 171: Cpu Cooling Module And Fan

    4 Replacement Procedures 4.8 CPU cooling Module and Fan CPU Cooling Module and Fan CAUTION: When removing the cooling module, keep the following in mind: The cooling module can become very hot during operation. Be sure to let it cool down before starting the repair work.
  • Page 172 4.8 CPU cooling Module and Fan 4 Replacement Procedures M2 0x3 5 white flat head screw CPU cooling module screw CPU cooling module CN4300 Figure 4-13 Removing the CPU cooling module and fan Figure 4-14 Applying silicon grease Satellit /Satellite Pro /C850D/C855D /L850D/L855D Maintenance Manual 4--25...

  • Page 173: Installing The Cpu Cooling Module And Fan

    4 Replacement Procedures 4.8 CPU cooling Module and Fan Installing the CPU Cooling Module and Fan Install the cooling Module according to the following procedures and Figures 4-12, 4-13 and 4-14. CAUTION: When installing the cooling module, keep the following in mind: 1.

  • Page 174: Cpu

    4.9 CPU 4 Replacement Procedures Removing the CPU CAUTION: When removing the CPU, keep the following in mind: The CPU can become very hot during operation. Be sure to let it cool down before starting repair work. Remove the CPU according to the following procedures and Figures 4-15, 4-16, 4-17 and 4-18.
  • Page 175 4 Replacement Procedures 4.9 CPU Installing the CPU Install the CPU according to the following procedures and Figures 4-15, 4-16, 4-17 and 4- 1. Check that the triangle on the cam is in the unlock position. 2. Attach the CPU to the correct position in the CPU socket. Align the CPU with the CPU socket by using the triangle as a guide.
  • Page 176 4.9 CPU 4 Replacement Procedures 3. Secure the CPU by rotating the cam 120 degrees to the right with a flat-blade screwdriver. NOTE: FOXCONN CPU socket will be 180 degrees to the left. OPEN CLOSED CLOSED OPEN CLOSED OPEN Figure 4-18 Securing the CPU. Satellit /Satellite Pro /C850D/C855D /L850D/L855D Maintenance Manual 4-27...

  • Page 177: System Board

    4 Replacement Procedures 4.10 System board 4.10 System Board Removing the System Board NOTE: Be careful of the eject button for the PC card. It can be damaged when removing the board. Make sure it is securely installed. Remove the System Board according to the following procedures and Figure 4-19. 1.

  • Page 178: Installing The System Board

    4. 10 System board 4 Replacement Procedures Installing the System Board Install the System Board according to the following procedures and figure 4-19. NOTE: Be careful of the eject button for the PC card. It can be damaged when installing the system board.

  • Page 179: Display Assembly

    4 Replacement Procedures 4.11 Display Mask 4.11 Display Assembly Removing the Display Assembly Remove the display assembly according to the following procedures and Figures 4-20. 1. Open the display panel at an angle of 90 degrees. 2. Turn the computer upside down. 3.

  • Page 180: Installing The Display Assembly

    4.11 Display Mask 4 Replacement Procedures Installing the Display Assembly Install the display assembly according to the following procedures and Figures 4-20. 1. Place the display panel in the correct position. 2. Secure the display assembly with four M2.5x6 black flat head screws. 3.

  • Page 181: Speakers

    4 Replacement Procedures 4.12 Speakers 4.12 Speakers Removing the Speakers Remove the Speakers according to the following procedures and Figure 4-21. 1. Remove two M2x3 black flat head step screw securing the left speaker. 2. Remove two M2x3 black flat head step screws securing the right speaker. 3.

  • Page 182: Installing The Speakers

    ..12 Speakers 4 Replacement Procedures Installing the Speakers Install the speakers according to the following procedures and Figure 4-21. 1. Seat the left and right speaker in the correct position. 2. Route the speaker cable in the wire guide. 3.

  • Page 183: Display Mask

    4 Replacement Procedures 4.13Display Mask 4.13 Display Mask Removing the Display Mask Disassemble the Display Mask according to the following procedures and Figure 4-22. 1. Peel off four seal tapes and remove four M2.5x4.5 white flat head screws securing the display mask.

  • Page 184: Led Module

    4.14 LED Module 4 Replacement Procedures 4.14 LED Module NOTE: ICs are fragile. Use extreme care not to apply pressure to the ICs along the edges of the LED module. NOTE: Dispose of used LED panels (fluorescent (FL) tubes) as required by local ordinances or regulations.

  • Page 185: Led Module

    4 Replacement Procedures 4.14 LCD Module Right LCD bracket M2 0x3 0 black flat head screw LCD module Left LCD bracket M2 5x4 5 white flat head screw M2 0x3 0 black flat head screw Figure 4-23 Removing the LED module and screws LED cable LED module Figure 4-24 Removing the LED module...

  • Page 186: Installing The Led Module

    4.14 LED Module 4 Replacement Procedures Installing the LED Module NOTE: LCD/FL cable must be carefully peeled away before disconnecting it from the module. Install the LED module according to the following procedures and Figures 4-23, 4-24. 1. Turn the LED upside down. 2.

  • Page 187: Ccd Module

    4 Replacement Procedures 4.15 CCD module 4.15 CCD module Removing the CCD module Remove the CCD module according to the following procedures and Figure 4-25. 1. Lift the CCD module from the display rear cover. 2. Disconnect LCD cable from CCD module connector. LCD cable CCD module Display rear cover...
  • Page 188 4.17 CCD board and MIC 4 Replacement Procedures Installing the CCD Board and MIC Install the FL inverter board according to the following procedures and Figure 4-25. 1. Connect LCD cable to CCD module connector. 2. Seat the CCD module in the correct position. Satellit /Satellite Pro /C850D/C855D /L850D/L855D Maintenance Manual 4-41...

  • Page 189: Touchpad Board And Touchpad Bracket

    4 Replacement Procedures 4.16 Touchpad board and Touchpad bracket 4.16 Touchpad board and Touchpad bracket Removing the Touchpad board and Touchpad bracket Remove Touchpad board and Touchpad bracket according to the following procedures and Figures 4-26. 1. Release three M2x3 black flat head screws securing touch pad board. 2.

  • Page 190: Install The Touchpad Board And Touchpad Bracket

    4.20 Touchpad board and Touchpad bracket 4 Replacement Procedures Install the Touchpad board and Touchpad bracket Install the Touchpad board and Touchpad bracket according to the following procedures and Figures 4-26. 1. Seat the touch pad bracket in the correct position. 2.

  • Page 191: Appendices

    6000 1 次 Appendices...

  • Page 192: Appendix A Handling The Lcd Module

    Appendices Appendix Contents Appendix A Handling the LCD Module ................A-1 Appendix B Board Layout ....................B-1 System Board Front View ..................B-1 System Board Back View ..................B-2 Appendix C Keyboard Scan/Character Codes..............C-1 Appendix D Key Layout ....................D-1 App-ii Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance manual...

  • Page 193: Appendix A Handling The Lcd Module

    Apx. A Handling the LCD Module Appendices Appendix A Appendix A Handling the LCD Module Precautions for handling the LCD module The LCD module can be easily damaged during assembly or disassembly. Observe the following precautions when handling the LCD module: 1.
  • Page 194 Appendices Apx. A Handling the LCD Module 3. If the panel’s surface gets dirty, wipe it with cotton or a soft cloth. If it is still dirty, try breathing on the surface to create a light condensate and wipe it again. If the surface is very dirty, we recommend a CRT cleaning agent.
  • Page 195 Apx. A Handling the LCD Module Appendices 5. Glass is used in the panel, so be careful not to drop it or let it strike a hard object, which could cause breakage or cracks. 6. CMOS-LSI circuits are used in the module, so guard against damage from electrostatic discharge.
  • Page 196 Appendices Apx. A Handling the LCD Module 7. Do not expose the module to direct sunlight or strong ultraviolet rays for long periods. 8. Do not store the module at temperatures below specifications. Cold can cause the liquid crystals to freeze, lose their elasticity or otherwise suffer damage. Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 197 Apx. A Handling the LCD Module Appendices 9. Do not disassemble the LCD module. Disassembly can cause malfunctions. 10. If you transport the module, do not use packing material that contains epoxy resin (amine) or silicon glue (alcohol or oxide). These materials can release gas that can damage the panel’s polarization.

  • Page 198: Appendix B Board Layout

    Apx. B Board Layout Appendices Appendix B Appendix B Board Layout System Board Front View Figure B-1 Board Layout (Front) Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...

  • Page 199: System Board Back View

    Appendices Apx. B Board Layout System Board Back View Figure B-2 Board Layout (Back) Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...

  • Page 200: Appendix C Keyboard Scan/Character Codes

    Apx. C Keyboard Scan/Character Codes Appendices Apx. C Keyboard Scan/Character Codes Appendix C Keyboard Scan/Character Codes Table C-1 Scan Codes (set 1 and set 2) (1/4) Code set 1 Code set 2 Note Keytop Make Break Make Break ‘ ~ 7 &...
  • Page 201 Appendices Apx. D Keyboard Scan/Character Codes Table C-1 Scan Codes (set 1 and set 2) (2/4) Code set 1 Code set 2 Note Keytop Make Break Make Break Caps Lock ‘ “ Enter Shift (L) No.102 , < . > Shift (R) Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 202 Apx. C Keyboard Scan/Character Codes Appendices Table C-1 Scan Codes (set 1 and set 2) (3/4) Code set 1 Code set 2 Note Keytop Make Break Make Break Ctrl Alt (L) Space ALT (R) ← Home ↑ ↓ PgUp PgDn →...
  • Page 203 Appendices Apx. D Keyboard Scan/Character Codes Table C-1 Scan Codes (set 1 and set 2) (4/4) Code set 1 Code set 2 Note Keytop Make Break Make Break PrintSc *6 Pause — — — — Kat/Hir Notes: 1. * Scan codes differ by mode. 2.
  • Page 204 Apx. C Keyboard Scan/Character Codes Appendices Table C-2 Scan Codes with left Shift key Code set 1 Code set 2 Make Break Make Break ← Home ↑ ↓ PgUp PgDn → Note : The table above shows scan codes with the left Shift key. In combination with the right Shift key, scan codes are changed as listed below: With left Shift With right Shift...
  • Page 205 Appendices Apx. D Keyboard Scan/Character Codes Table C-3 Scan Codes in Numlock mode Code set 1 Code set 2 Make Break Make Break ← Home ↑ ↓ PgUp PgDn → Table C-4 Scan Codes with Fn key Code set 1 Code set 2 Keytop Make...
  • Page 206 Apx. C Keyboard Scan/Character Codes Appendices Table C-5 Scan Codes in overlay mode Keytop Code set 1 Code set 2 Make Break Make Break (–) Table C-6 No.124 key scan code Shift Code set 1 Code set 2 Make Break Make Break Prt Sc...
  • Page 207 Appendices Apx. D Keyboard Scan/Character Codes Table C-7 No.126 key scan code Shift Code set 1 Code set 2 Make Make Pause Common* E1 1D E1 F0 Ctrl* E0 46 7E E0 F0 *: This key generates only make codes. Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...

  • Page 208: Appendix D Key Layout

    Apx. D Key Layout Appendices Apx. D Key Layout Appendix D Key Layout D.1 United States (US) Keyboard Figure D-1 US keyboard D.2 Taiwan (TW) Keyboard Figure D-2 TW keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 209 Appendices Apx. D Key Layout D.3 Thai (TH) Keyboard Figure D-3 TH keyboard D.4 Russian (RU) Keyboard Figure D-4 RU keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 210 Apx. D Key Layout Appendices D.5 Hebrew (HE) Keyboard Figure D-5 HE keyboard D.6 Korean (KR) Keyboard Figure D-6 KR keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 211 Appendices Apx. D Key Layout D.7 UK-English (UK) Keyboard Figure D-7 UK keyboard D.8 DU, UE, US International (USE) Keyboard Figure D-8 USE keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 212 Apx. D Key Layout Appendices D.9 Swiss/Switzerland (SL) Keyboard Figure D-9 SL keyboard D.10 Arabic (AR) Keyboard Figure D-10 AR keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 213 Appendices Apx. D Key Layout D.11 Czech (CZ) Keyboard Figure D-11 CZ keyboard D.12 Portuguese (PT) Keyboard Figure D-12 PT keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 214 Apx. D Key Layout Appendices D.13 Slovakian (SK) Keyboard Figure D-13 SK keyboard D.14 Italian (IT) Keyboard Figure D-14 IT keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 215 Appendices Apx. D Key Layout D.15 French (FR) Keyboard Figure D-15 FR keyboard D.16 German (GR) Keyboard Figure D-16 GR keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 216 Apx. D Key Layout Appendices D.17 Greek (GK) Keyboard Figure D-17 GK keyboard D.18 Hungary (HU) Keyboard Figure D-18 HU keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 217 Appendices Apx. D Key Layout D.19 Spanish (SP) Keyboard Figure D-19 SP keyboard D.20 Turkey (TR) Keyboard Figure D-20 TR keyboard D-10 Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 218 Apx. D Key Layout Appendices D.21 Turkish F (TF) Keyboard Figure D-21 TF keyboard D.22 Belgian (BE) Keyboard Figure D-22 BE keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual D-11...
  • Page 219 Appendices Apx. D Key Layout D.23 Yugoslavia (YU) Keyboard Figure D-23 YU keyboard D.24 Scandinavian (N5) Keyboard Figure D-24 N5 keyboard D-12 Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 220 Apx. D Key Layout Appendices D.25 Canadian Bilingual (CB) Keyboard Figure D-25 CB keyboard D.26 Bulgaria (BU) Keyboard Figure D-26 BU keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual D-13...
  • Page 221 Appendices Apx. D Key Layout D.27 Japan (JP) Keyboard Figure D-27 JP keyboard D.28 Latin America (LA) Keyboard Figure D-28 LA keyboard D-14 Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual...
  • Page 222 Apx. D Key Layout Appendices D.29 Canadian Multilingual (CM) Keyboard Figure D-29 CM keyboard D.30 Brazilian (BR) Keyboard Figure D-30 BR keyboard Satellite/Satellite Pro/C850D/C855D/L850D/L855D Maintenance Manual D-15...

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