Toshiba PORTEGE M300 Maintenance Manual

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Toshiba Personal Computer
PORTEGE M300
Maintenance Manual
TOSHIBA CORPORATION
File Number 960-504

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Summary of Contents for Toshiba PORTEGE M300

  • Page 1 Toshiba Personal Computer PORTEGE M300 Maintenance Manual TOSHIBA CORPORATION File Number 960-504...
  • Page 2 The information presented in this manual has been reviewed and validated for accuracy. The included set of instructions and descriptions are accurate for the PORTEGE M300 at the time of this manual's production. However, succeeding computers and manuals are subject to change without notice.
  • Page 3 “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 PORTEGE M300 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 Text that you are instructed to type in is shown in the boldface type below: DISKCOPY A: B: The display Text generated by the computer that appears on its display is presented in the type face below: Format complete System transferred PORTEGE M300 Maintenance Manual (960-504)
  • Page 6: Table Of Contents

    Touch pad Troubleshooting..................2-41 Display Troubleshooting..................... 2-42 2.10 Optical drive Troubleshooting..................2-45 2.11 Modem Troubleshooting .................... 2-46 2.12 LAN Troubleshooting ....................2-48 2.13 Wireless LAN Troubleshooting .................. 2-49 2.14 Bluetooth Troubleshooting..................2-52 2.15 Sound Troubleshooting....................2-55 PORTEGE M300 Maintenance Manual (960-504)
  • Page 7 System Configuration....................3-57 3.26 Wireless LAN Test Program (Intel-made b) ............... 3-59 3.27 Wireless LAN Test Program (Intel-made b/g)............. 3-61 3.28 Wireless LAN Test Program (Intel-made a/b/g)............3-65 3.29 Wireless LAN Test Program (Askey-made) ............... 3-70 PORTEGE M300 Maintenance Manual (960-504)
  • Page 8 Fan..........................4-44 4.19 Cooling fin ......................... 4-45 4.20 HDD FPC ......................... 4-47 4.21 Modem........................4-48 4.22 DC-IN jack....................... 4-50 4.23 PC card slot cover ..................... 4-51 4.24 Display latch......................4-53 4.25 Battery lock/Battery latch................... 4-55 viii PORTEGE M300 Maintenance Manual (960-504)
  • Page 9 Appendix C Pin Assignments....................C-1 Appendix D Display Codes ....................D-1 Appendix E Key Layout......................E-1 Appendix F Wiring Diagrams ....................F-1 Appendix G BIOS Rewrite Procedures................G-1 Appendix H EC/KBC Rewrite Procedures ................. H-1 Appendix I Reliability......................I-1 PORTEGE M300 Maintenance Manual (960-504)
  • Page 10 PORTEGE M300 Maintenance Manual (960-504)
  • Page 11: Chapter 1 Hardware Overview

    Intel Pentium-M ULV Processor 1.10GHz (Processor Number ; 733) Intel Celeron-M ULV Processor 900MHz (Processor Number ; 353) ? Chipset The PORTEGE M300 is equipped with Intel 855GME (Montara-GM+) as North Bridge, Intel ICH4-M as South Bridge and Texas Instrument PCI7421 as Card Controller. ? Memory One 256MB memory is mounted on the system board.
  • Page 12 1 Hardware Overview 1.1 Features Touch pad with two buttons is installed as a pointing device. PORTEGE M300 Maintenance Manual (960-504)
  • Page 13 [Not supported when docking with PORTEGE M300] i.LINK (IEEE1394) [Not supported when docking with PORTEGE M300] ? Button & Switch TOSHIBA Assist Button and TOSHIBA Presentation Button are available. Also wireless communication switch can turn on/off the power of bluetooth and wireless LAN function. ? Batteries The computer has two batteries: a rechargeable Lithium-Ion main battery pack and RTC battery (that backs up the Real Time Clock and CMOS memory).
  • Page 14 The infrared port is compatible with Fast Infrared (FIR) standards enabling 4 Mbps, 1.152 Mbps, 115.2 kbps, 57.6 kbps, 38.4 kbps, 19.2 kbps or 9.6 kbps data transfer with Infrared Data Association (IrDA) 1.1 compatible external devices. PORTEGE M300 Maintenance Manual (960-504)
  • Page 15 1 Hardware Overview ? Sound system The sound system is equipped with the following features: Built in stereo speakers Built-in monaural microphone Stereo Headphone jack (3.5mm mini headphone jack) External microphone jack (3.5mm mini microphone jack) PORTEGE M300 Maintenance Manual (960-504)
  • Page 16 1 Hardware Overview 1.1 Features The front of the computer is shown in Figure 1-1. Figure 1-1 Front of the computer PORTEGE M300 Maintenance Manual (960-504)
  • Page 17 1.1 Features 1 Hardware Overview The system unit configuration is shown in Figure 1-2. Figure 1-2 System unit configuration PORTEGE M300 Maintenance Manual (960-504)
  • Page 18: System Unit Block Diagram

    1 Hardware Overview 1.2 System Unit Block Diagram System Unit Block Diagram Figure 1-3 is a block diagram of the system unit. Figure 1-3 System unit block diagram PORTEGE M300 Maintenance Manual (960-504)
  • Page 19 Memory Controller supporting DDR266/DDR333, Max 1280MB Built in graphic controller RGB, DVI,DVO interface AGP interface(AGP V2.0), x4 mode PCI Interface (R2.2) ACPI 1.0 Supports Geyserville III Supports Intel SpeedStep Technology 732-ball 37.5? 37.5mm FC-BGA package PORTEGE M300 Maintenance Manual (960-504)
  • Page 20 SD IO card controller (Ver.1.1) Memory Stick/Memory Stick Pro Card Controller xD Picture Card Controller IEEE1394a Controller 2 port BGA Package ? Firmware Hub (FWH) One 4Mbit FWH (STMicro M50FW040N5G) is used. ? Sound Controller 1-10 PORTEGE M300 Maintenance Manual (960-504)
  • Page 21 2.4GHz DSSS/OFDM, 5.0GHz OFDM wireless LAN card is equipped. Conformity with IEEE 802.11b, b/g or a/b/g. Theoretical transfer speed is maximum of 54Mbps (with 802.11a, 802.11g), 11Mbps (with 802.11b) and 108Mbps (with Turbo Mode of Atheros module type). Supports 128bit WEP. PORTEGE M300 Maintenance Manual (960-504) 1-11...
  • Page 22: Usb Floppy Disk Drive

    Table 1-1 USB FDD specifications Items 720KB mode 1.44MB mode Data transfer FDD part 250K bits/second 500K bits/second rate Full speed mode (12M bits/second) Disk rotation speed 300rpm 360rpm Track density 5.3 track/mm (135TPI) 1-12 PORTEGE M300 Maintenance Manual (960-504)
  • Page 23: Hard Disk Drive

    1.4 Hard Disk Drive 1 Hardware Overview Hard Disk Drive A 30GB/40GB/60GB/80GB/100GB 2.5-inch HDD is supported. The HDD is shown in Figure 1-5 and the specification is shown in Table 1-2 and Table 1-3. Figure 1-5 HDD PORTEGE M300 Maintenance Manual (960-504) 1-13...
  • Page 24 Depth (mm) 100.2±0.25 Weight (g) 95 (max) Standard value Parameter HGST HGST HGST HGST G8BC0001N410 G8BC0001N610 G8BC0001N810 G8BC0001NA10 69.85±0.25 Width (mm) Outline 9.5±0.2 Height (mm) dimensions 100.2±0.25 Depth (mm) Weight (g) 102 (max) 1-14 PORTEGE M300 Maintenance Manual (960-504)
  • Page 25 4,200 Data transfer speed (Mbits/s) Interface transfer rate (MB/s) 100 (Ultra DMA mode) Storage density (Kbpi) 96.6 Track density (Ktpi) Average random seek time (read) (ms) Average random seek time (write) (ms) Power-on-to-ready (sec) PORTEGE M300 Maintenance Manual (960-504) 1-15...
  • Page 26 Data transfer speed (Mbits/s) Interface transfer rate (MB/s) 100 (Ultra DMA mode) 764 (MAX) Storage density (Kbpi) 113.2 Track density (Ktpi) Average random seek time (read) (ms) Average random seek time (write) (ms) Power-on-to-ready (sec) 1-16 PORTEGE M300 Maintenance Manual (960-504)
  • Page 27: Optical Drive

    Figure 1-6 DVD-ROM & CD-R/RW drive Table 1-4 DVD-ROM & CD-R/RW drive outline dimensions Parameter Standard value MATSUSHITA Maker (G8CC00025110) Width (mm) Outline Height (mm) 12.7 (excluding projections) dimensions Depth (mm) 129.0 Mass (g) 141±3 PORTEGE M300 Maintenance Manual (960-504) 1-17...
  • Page 28 Ultra DMA mode 33.3 MB/s Ultra DMA MODE2 CD-ROM 150 (Random) Access time (ms) DVD-ROM 170 (Random) Buffer memory CD-DA,CD-ROM,CD-ROM XA CD-R,CD-RW Photo CD, Video CD CD-Extra(CD+),CD-text Supported disk format DVD-ROM,DVD-R (DVD-R Multi-boarder supported) DVD-RW(Ver.1.1) DVD-RAM(2.6GB/4.7GB) DVD+R, DVD+RW 1-18 PORTEGE M300 Maintenance Manual (960-504)
  • Page 29 Figure 1-7 DVD Super Multi drive Table 1-6 DVD Super Multi drive outline dimensions Parameter Standard value MATSUSHITA MATSUSHITA Maker (G8CC00026110) (G8CC00026112) Width (mm) Outline dimensions Height (mm) 9.5 (excluding projections) Depth (mm) 129.0 Mass (g) 145±10 PORTEGE M300 Maintenance Manual (960-504) 1-19...
  • Page 30 Ultra DMA mode 33.3 MB/s(Ultra DMA MODE2 supported) CD-ROM 150 (Random) Access time (ms) DVD-ROM 180 (Random) Buffer memory CD-DA, CD-ROM, CD-R, CD-RW, CD-ROM XA, Photo CD, Video-CD, CD-Extra(CD+),CD-text Supported disk format DVD-ROM, DVD-R(3.9GB/4.7GB), DVD-RW (Ver1.1) DVD+R/+RW, DVD Video, DVD-RAM (2.6GB/4.7GB/9.4GB) 1-20 PORTEGE M300 Maintenance Manual (960-504)
  • Page 31 Ultra DMA mode 33.3 MB/s(Ultra DMA MODE2 supported) CD-ROM 150 (Random) Access time (ms) DVD-ROM 180 (Random) Buffer memory CD-DA, CD-ROM, CD-R, CD-RW, CD-ROM XA, Photo CD, Video-CD, CD-Extra(CD+),CD-text Supported disk format DVD-ROM, DVD-R(3.9GB/4.7GB), DVD-RW (Ver1.1) DVD+R/+RW, DVD Video, DVD-RAM (2.6GB/4.7GB/9.4GB) PORTEGE M300 Maintenance Manual (960-504) 1-21...
  • Page 32: Keyboard

    A keyboard which consists of 85/86-key is mounted on the system unit. The keyboard is connected to the system board and controlled by the keyboard controller Figure 1-8 is a view of the keyboard. See Appendix E about a layout of the keyboard. Figure 1-8 keyboard 1-22 PORTEGE M300 Maintenance Manual (960-504)
  • Page 33: Tft Color Display

    Figure 1-9 LCD module Table 1-8 LCD module specifications Specifications Item 12.1-inch XGA (G33C00027110) Number of Dots 1,024 (W) x 768 (H) Dot spacing (mm) 0.240 (H) x 0.240 (V) Display range (mm) 245.76 (H) x 184.32(V) PORTEGE M300 Maintenance Manual (960-504) 1-23...
  • Page 34 9 lists the FL inverter board specifications. Table 1-9 FL inverter board specifications Specifications Item G71C0002K210 Input Voltage (V) 5.0 (DC) Power (W) Output Voltage (V) 750 (r.m.s) Power (W / V) 3.6W / 5VA Current (mA) 4.22 (r.m.s) (f=70KHz) 1-24 PORTEGE M300 Maintenance Manual (960-504)
  • Page 35: Power Supply

    6. Provides more accurate detection of a low battery. 7. Calculates the remaining battery capacity. 8. Controls the transmission of the status signal of the main battery. The power supply output rating is specified in Table 1-10. PORTEGE M300 Maintenance Manual (960-504) 1-25...
  • Page 36 PCI7421(1394 OHCI) PHY-E3V [Connected to E3V] ICH4-M, LAN PHY, LAN LED LAN-E3V [Connected to E3V] ICH4-M LAN1R5-E1V MCVCCA-EYV PCI7421, CardBus A (CF) MCVCCB-EYV 3.3/5.0 PCI7421, CardBus B (PC-card) CardBus B (PC-card) MCVPPB-EYV 2.0-3.5 ICH4-M(VCCRTC), 1-26 PORTEGE M300 Maintenance Manual (960-504)
  • Page 37 1.8 Power Supply 1 Hardware Overview 32.768KHz generator 1R25-P1V 1.25 DDR-SDRAM(Termination) 1R5-P1V GMCH(DVO), ICH4-M PORTEGE M300 Maintenance Manual (960-504) 1-27...
  • Page 38 KB(LED), PAD, LEDs, HDD RESET, Parallel, RGB(DDC) FL-P5V FL Inverter DDC-P5V SND-P5V Speaker Amp AC97 Codec, Speaker Amp, MIC A4R7-P4V Amp, Line-IN, Line-OUT ODD, ODD RESET ODD-P5V PNL-P3V BT-P3V Bluetooth Module Docker (PS/2) IF-P5V 1-28 PORTEGE M300 Maintenance Manual (960-504)
  • Page 39: Batteries

    The removable main battery pack is the computer’s main power source when the AC adaptor is not attached. The main battery maintains the state of the computer when the computer enters in standby mode. PORTEGE M300 Maintenance Manual (960-504) 1-29...
  • Page 40 When turning off the power in being charged fully, the preservation time is as following Table 1-13. Table 1-13 Data preservation time Condition preservation time 4700mAh About 5 days Standby mode 8800mAh About 9 days 4700mAh About 40 days Power off 8800mAh About 80 days 1-30 PORTEGE M300 Maintenance Manual (960-504)
  • Page 41 Table 1-14 lists the charging time and data preservation period of the RTC battery. Table 1-14 RTC battery charging time Condition Time Power ON (Lights Power LED) About 8 hours Data preservation tome (Full-charged) About 30 days PORTEGE M300 Maintenance Manual (960-504) 1-31...
  • Page 42: Ac Adapter

    G71C00049210 G71C0001A310 G71C0002S310 G71C0004A210 [Option] Power Input voltage 100V to 240V Input frequency 50Hz/60Hz Input voltage 0.6A to1.1A 1.5A or less Output voltage DC 15V Output current 0A to 3.0A 0A to 4.0A 5.0A 1-32 PORTEGE M300 Maintenance Manual (960-504)
  • Page 43: Troubleshooting Procedures

    Chapter 2 Troubleshooting Procedures...
  • Page 44 2 Troubleshooting Procedures 2-ii PORTEGE M300 Maintenance Manual (960-504)
  • Page 45 Connector Check and Replacement Check........2-38 Keyboard Troubleshooting..................2-39 Procedure 1 Diagnostic Test Program Execution Check........2-39 Procedure 2 Connector and Replacement Check..........2-40 Touch pad Troubleshooting..................2-41 Procedure 1 Diagnostic Test Program Execution Check........2-41 PORTEGE M300 Maintenance Manual (960-504) 2-iii...
  • Page 46 2 Troubleshooting Procedures Procedure 2 Connector and Replacement Check ..........2-41 2-iv PORTEGE M300 Maintenance Manual (960-504)
  • Page 47 Procedure 2 Antenna Connection Check............2-53 Procedure 3 Replacement Check ..............2-54 2.15 Sound Troubleshooting ....................2-55 Procedure 1 Diagnostic Test Program Execution Check........2-55 Procedure 2 Connector Check................ 2-55 Procedure 3 Replacement Check ..............2-56 PORTEGE M300 Maintenance Manual (960-504)
  • Page 48 Table 2-3 Error code ..................... 2-10 Table 2-4 Debug port error status .................. 2-22 Table 2-5 FDD error code and status ................2-32 Table 2-6 Hard disk drive error code and status ............. 2-37 2-vi PORTEGE M300 Maintenance Manual (960-504)
  • Page 49 2 Troubleshooting Procedures PORTEGE M300 Maintenance Manual (960-504) 2-vii...
  • Page 50: Troubleshooting

    1. Phillips screwdrivers (For replacement procedures) 2. Implements for debugging port check ? Toshiba MS-DOS system FD ? RS-232C cross cable ? Test board with debug port test cable ? PC for displaying debug port test result PORTEGE M300 Maintenance Manual (960-504)
  • Page 51 There are following two types of connections in the figure of board and module connection in and after 2.3 Power Supply Troubleshooting. (1) Cable connection is described in the figure as line. (2) Pin connection is described in the figure as arrow. <e.g> Connection of modem PORTEGE M300 Maintenance Manual (960-504)
  • Page 52: Troubleshooting Flowchart

    Before going through the flowchart steps, verify the following: ? Ask him or her to enter the password if a password is registered. ? Verify with the customer that Toshiba Windows is installed on the hard disk. Non- Windows operating systems can cause the computer to malfunction.
  • Page 53: Figure 2-1 Troubleshooting Flowchart

    2.2 Troubleshooting Flowchart 2 Troubleshooting Procedures Figure 2-1 Troubleshooting flowchart (1/2) PORTEGE M300 Maintenance Manual (960-504)
  • Page 54 2 Troubleshooting Procedures 2.2 Troubleshooting Flowchart Figure 2-1 Troubleshooting flowchart (2/2) PORTEGE M300 Maintenance Manual (960-504)
  • Page 55 11. If an error is detected on the Bluetooth test (in LAN/Modem/Bluetooth/IEEE1394 test disk), perform the Bluetooth Troubleshooting Procedures in Section 2.14. 12. If an error is detected on the sound test (in Sound test disk), perform the Sound Troubleshooting Procedures in Section 2.15. PORTEGE M300 Maintenance Manual (960-504)
  • Page 56: Power Supply Troubleshooting

    The battery level is low while the system power is ON. (even intervals) Blinks orange once The system is driven by only a battery and the battery level (at being switched on) is low. Doesn’t light Any condition other than those above. PORTEGE M300 Maintenance Manual (960-504)
  • Page 57 Check 2If the DC IN icon does not light, go to Procedure 3. Check 3If the battery icon does not light orange or green, go to Procedure 4. NOTE: Use a supplied AC adapter G71C0001A310, G71C0002S310, G71C0004A210 or G71C00049210 (Option). PORTEGE M300 Maintenance Manual (960-504)
  • Page 58: Error Code Check

    On for a half second Interval between data bits Off for a half second The error code begins with the least significant digit. Example: Error code = 12h (Error codes are given in hexadecimal format.) Start PORTEGE M300 Maintenance Manual (960-504)
  • Page 59 Error code Where Error occurs DC Power (AC Adapter) Main battery Second battery S3V output 1R5-C1V output 1R5-C1V output PPV output PTV output E5V output E3V output PPV output 1R35-P1V output 1R25-P1V output 2R5-B2V output 2-10 PORTEGE M300 Maintenance Manual (960-504)
  • Page 60: Main Battery

    ? S3V output ; (When Power OFF = S3V, When Power ON = E3V) Error code Meaning S3V voltage is 2.81 V or less when the computer is powered on/off. S3V voltage is 2.81 V or less at power on when the charging is off. PORTEGE M300 Maintenance Manual (960-504) 2-11...
  • Page 61 PTV voltage is 0.68 V or less when the computer is booting up. PTV voltage is 0.68 V or over when the computer is powered off. PTV voltage is 0.68 V or less when the computer is suspended. 2-12 PORTEGE M300 Maintenance Manual (960-504)
  • Page 62 1R35-P1V voltage is 0.68 V or less when the computer is booting up. 1R35-P1V voltage is 0.68 V or over when the computer is powered off. 1R35-P1V voltage is 0.68 V or less when the computer is suspended. PORTEGE M300 Maintenance Manual (960-504) 2-13...
  • Page 63 ? Connect a new AC adapter and AC power cord. If the problem still occurs, go to Procedure 5. Check 3 In the case of error code 21h: ? Go to Procedure 3. Check 4 For any other errors, go to Procedure 5. 2-14 PORTEGE M300 Maintenance Manual (960-504)
  • Page 64: Procedure 3 Connection Check

    If the battery icon does not light, go to Check 4. Check 4 Make sure the battery pack is installed in the computer correctly. If the battery is properly installed and the battery icon still does not light, go to Procedure 4. PORTEGE M300 Maintenance Manual (960-504) 2-15...
  • Page 65: Procedure 4 Charge Check

    If the battery pack is still not charged, go to Check 5. Check 5 Replace the battery pack with a new one. If the battery pack is still not charged, go to Procedure 5. 2-16 PORTEGE M300 Maintenance Manual (960-504)
  • Page 66: Procedure 5 Replacement Check

    Battery pack may be faulty. Replace it with a new one. If the problem still occurs, perform Check 2. Check 2 System board may be faulty. Replace the system board with a new one. PORTEGE M300 Maintenance Manual (960-504) 2-17...
  • Page 67: System Board Troubleshooting

    Procedure 1 and continuing with the other procedures as required. Procedure 1: Message Check Procedure 2: Debugging port Check on Boot Mode Procedure 3: Diagnostic Test Program Execution Check Procedure 4: Replacement Check 2-18 PORTEGE M300 Maintenance Manual (960-504)
  • Page 68: Procedure 1

    Go to Procedure 3. WARNING: RESUME FAILURE. PRESS ANY KEY TO CONTINUE. If any other error message is displayed, perform Check 3. PORTEGE M300 Maintenance Manual (960-504) 2-19...
  • Page 69 (16) PIC #1 ERROR (17) PIC #2 ERROR (18) KBC ERROR (19) HDC ERROR (20) HDD #0 ERROR (21) HDD #1 ERROR (22) NO FDD ERROR (23) TIMER INTERRUPT ERROR (24) RTC UPDATE ERROR 2-20 PORTEGE M300 Maintenance Manual (960-504)
  • Page 70: Debugging Port Check On Boot Mode

    Chapter 4. 2. Connect the debug port test cable and RS-232C cross-cable to the test board. 3. Connect the RS-232C cross-cable to the PC that displays the results. 4. Boot the computer in MS-DOS mode. PORTEGE M300 Maintenance Manual (960-504) 2-21...
  • Page 71 BIOS signature check F007h BIOS rewrite process Transition to System BIOS IRT BIOS rewrite Initialization of H/W of unique function for each model Initialization of I/O space for GPIO Permission of BIOS writing Serial interrupt control 2-22 PORTEGE M300 Maintenance Manual (960-504)
  • Page 72 F101h DRAM type & check size Only when cold booting Checking DRAM size If DRAM size is "0", the program halt Stack field test of SM-RAM Program halt when it’s not used as stack PORTEGE M300 Maintenance Manual (960-504) 2-23...
  • Page 73 Copying ROM/RAM of system BIOS (Program halt when error) Resume error process Return CPU clock in low Prohibition of all SMI Resume status Clear Return to ROM Forwards the area of C0000h to EFFFFh to PCI 2-24 PORTEGE M300 Maintenance Manual (960-504)
  • Page 74 Reading of EC version Update of flash ROM type Judging of destination (Japan or except Japan) based on DMI data CMOS default setting check (Default set if Bad battery, Bad checksum (ROM, CMOS) detected. PORTEGE M300 Maintenance Manual (960-504) 2-25...
  • Page 75 Making of work for automatic configuration Configuration Saving of VGA configuration result F10Bh Task generation for waiting PCI_CONFIGURATION completion Set of permission/prohibition of Initialization of H/W needed after PCI IEEE1394 configuration Output code generation 2-26 PORTEGE M300 Maintenance Manual (960-504)
  • Page 76: Table

    Saving of value in 40:00h (for SIO saving/restoring) Setting of font address for resume password Setting of repeat parameter for USB KB Acquisition of keys pressed during IRT Storing of T_SHADOW_RAM_SIZE Update of system resource before boot PORTEGE M300 Maintenance Manual (960-504) 2-27...
  • Page 77 PCI device configuration space close Cache control CPU process Update of parameter block A Specify CPU clock in SETUP Waiting for HDD motor-off which id disabled PRE_BOOT_SETUP process Clear of PWRBTN_STS Set Power Button to Enable F11Fh FFFFh 2-28 PORTEGE M300 Maintenance Manual (960-504)
  • Page 78: Procedure 3 Diagnostic Test Program Execution Check

    Hard Disk test Real Timer test NDP test Expansion test CD-ROM/DVD-ROM test Only One test Wireless LAN test LAN/Modem/Bluetooth/IEEE1394 test Sound test If an error is detected during these tests, go to Procedure 4. PORTEGE M300 Maintenance Manual (960-504) 2-29...
  • Page 79: Replacement Check

    If connectors are properly plugged, but there is still a problem, go to Check 2. Check 2 The system board may be damaged. Replace the system board with a new one following the steps described in Chapter 4, Replacement Procedures. 2-30 PORTEGE M300 Maintenance Manual (960-504)
  • Page 80: Usb Fdd Troubleshooting

    Procedure 2. Detailed operation is given in Chapter 3, Tests and Diagnostics. If the test program cannot be executed on the computer, go to Procedure 3. PORTEGE M300 Maintenance Manual (960-504) 2-31...
  • Page 81: Procedure 2 Diagnostic Test Program Execution Check

    “write enable”. If any other message appears, perform Check 2. Write protected Check 2 Make sure the floppy disk is formatted correctly. If it is, go to Procedure 3. 2-32 PORTEGE M300 Maintenance Manual (960-504)
  • Page 82: Connector Check And Replacement Check

    USB FDD may be faulty. Replace it with a new one. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the steps in Chapter 4 Replacement Procedures. PORTEGE M300 Maintenance Manual (960-504) 2-33...
  • Page 83: Hdd Troubleshooting

    For the backup, refer to the User’s Manual. Procedure 1 Partition Check Insert the Toshiba MS-DOS system disk and start the computer. Perform the following checks: Input C: and press Enter. If you cannot change to drive C, go to Check 2. If you Check 1 can change to drive C, go to Procedure 2.
  • Page 84: Procedure 2

    Connection between HDD and the system board may be defective (Refer to the steps described in Chapter 4, Replacement Procedures for disassembling.). Insert HDD to the connector firmly. If it is (or they are) firmly connected, go to Procedure 3. PORTEGE M300 Maintenance Manual (960-504) 2-35...
  • Page 85 Using the Diagnostic Disk, format HDD with a format option (physical format). If HDD is formatted, set the HDD partition using MS-DOS FDISK command. If you cannot format HDD using the Tests and Diagnostic program, go to Procedure 4. 2-36 PORTEGE M300 Maintenance Manual (960-504)
  • Page 86: Error Code

    HDD - ECC RECOVER ENABLE HDD - DRIVE NOT READY HDD - WRITE FAULT HDD - STATUS ERROR HDD - BAD SECTOR HDD - ACCESS TIME ERROR HDD - NO HDD HDD - DMA CRC ERROR PORTEGE M300 Maintenance Manual (960-504) 2-37...
  • Page 87: Connector Check And Replacement Check

    Chapter 4, Replacement Procedures and check the operation. If the problem still occurs, perform Check 4. Check 4 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. 2-38 PORTEGE M300 Maintenance Manual (960-504)
  • Page 88: Keyboard Troubleshooting

    ONE TEST) in the Diagnostic Program. Refer to Chapter 3, Tests and Diagnostics, for more information on how to perform the test program. If an error occurs, go to Procedure 2. If an error does not occur, keyboard is functioning properly. PORTEGE M300 Maintenance Manual (960-504) 2-39...
  • Page 89: Connector And Replacement Check

    Keyboard may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. 2-40 PORTEGE M300 Maintenance Manual (960-504)
  • Page 90: Touch Pad Troubleshooting

    Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. PORTEGE M300 Maintenance Manual (960-504) 2-41...
  • Page 91: Display Troubleshooting

    Insert the Diagnostics disk in the USB FDD, turn on the computer and run the test. Refer to Chapter 3, Tests and Diagnostics for details. If an error is detected, go to Procedure 3. 2-42 PORTEGE M300 Maintenance Manual (960-504)
  • Page 92: Connector And Cable Check

    THese cables may be disconnected from system board or FL inverter. Disassemble the computer following the steps described in Chapter 4, Replacement Procedures. If the connection is loose, reconnect firmly and restart the computer. If the problem still occurs, go to Procedure 4. PORTEGE M300 Maintenance Manual (960-504) 2-43...
  • Page 93: Procedure 4 Replacement Check

    Chapter 4, Replacement Procedure and test the display again. If the problem still occurs, perform Check 5. Check 5 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedure. 2-44 PORTEGE M300 Maintenance Manual (960-504)
  • Page 94: Optical Drive Troubleshooting

    Optical drive may be faulty. Replace it with a new one following the steps in Chapter 4. If the problem still occurs, perform Check 3. Check 3 System board may be faulty. Replace it with new one following the instructions in Chapter 4. PORTEGE M300 Maintenance Manual (960-504) 2-45...
  • Page 95: Modem Troubleshooting

    Disassemble the computer following the steps described in Chapter 4 and perform the following checks: Check 1 Make sure the following connections are firmly connected. If any connector is disconnected, connect it firmly and return to Procedure 1. If the problem still occurs, perform Check 2. 2-46 PORTEGE M300 Maintenance Manual (960-504)
  • Page 96 MDC harness may be faulty. Replace it with a new one following the instructions in Chapter 4. If the problem still occurs, perform Check 5. Check 5 System board may be faulty. Replace it with a new one following the instruction in Chapter 4. PORTEGE M300 Maintenance Manual (960-504) 2-47...
  • Page 97: Lan Troubleshooting

    LAN harness may be faulty. Replace it with a new one. If the problem still occurs, perform Check 5. Check 5 System board may be faulty. Replace it with a new one following the instruction in Chapter 4. 2-48 PORTEGE M300 Maintenance Manual (960-504)
  • Page 98: Wireless Lan Troubleshooting

    LAN. Perform the test following the instructions described in Chapter 3. If the computer passes the test, the function is correctly working. If the computer does not pass the test, perform Procedure 2. PORTEGE M300 Maintenance Manual (960-504) 2-49...
  • Page 99 LAN card. If wireless LAN antenna cables are not connected properly, connect them firmly and perform Procedure 1. If the problem still occurs, go to the procedure 3. 2-50 PORTEGE M300 Maintenance Manual (960-504)
  • Page 100 Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3. Check3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. PORTEGE M300 Maintenance Manual (960-504) 2-51...
  • Page 101: Bluetooth Troubleshooting

    Bluetooth. You will need a second computer that can communicate by Bluetooth. Perform the test following the instructions described in Chapter 3. If the computer passes the test, the function is correctly working. If the computer does not pass the test, perform Procedure 2. 2-52 PORTEGE M300 Maintenance Manual (960-504)
  • Page 102 Make sure that Bluetooth antenna cables is firmly connected to the connectors on Bluetooth module. If Bluetooth antenna cable is not connected properly, connect them firmly and perform Procedure 1. If the problem still occurs, go to the procedure 3. PORTEGE M300 Maintenance Manual (960-504) 2-53...
  • Page 103 Chapter 4, Replacement Procedures. If the problem still occurs, perform Check 3. Check3 System board may be faulty. Replace it with a new one following the instructions in Chapter 4, Replacement Procedures. 2-54 PORTEGE M300 Maintenance Manual (960-504)
  • Page 104: Sound Troubleshooting

    Connector Check The connection of sound system is shown in the following figure. As the connection may be defective, disassemble the PC and check each connection. If the problem still occurs, go to Procedure 3. PORTEGE M300 Maintenance Manual (960-504) 2-55...
  • Page 105 Speaker may be faulty. Replace it with a new one following the steps in Chapter 4. If the problem still occurs, perform Check 5. Check 5 System board may be faulty. Replace it with a new one following the instructions in Chapter 4. 2-56 PORTEGE M300 Maintenance Manual (960-504)
  • Page 106: Chapter 3 Tests And Diagnostics

    Chapter 3 Tests and Diagnostics PORTEGE M300 Maintenance Manual (960-504)
  • Page 107 3-ii PORTEGE M300 Maintenance Manual (960-504)
  • Page 108 CD-ROM/DVD-ROM Test ..................3-34 3.18 Error Code and Error Status Names................3-35 3.19 Hard Disk Test Detail Status ..................3-38 3.20 Only One Test ......................3-40 3.20.1 Program Description................3-40 3.20.2 Operations ................... 3-40 PORTEGE M300 Maintenance Manual (960-504) 3-iii...
  • Page 109 IEEE1394 test..................3-87 3.31 Sound Test Program ....................3-88 3.31.1 Sound (Standard) test................3-88 3.31.2 Sound (Legacy) test................3-90 3.31.3 CD Sound (Standard) test ..............3-91 3.31.4 CD Sound (Legacy) test............... 3-93 3.32 SETUP........................3-94 3-iv PORTEGE M300 Maintenance Manual (960-504)
  • Page 110 3.32.1 Function Description................3-94 3.32.2 Accessing the SETUP Program............. 3-96 PORTEGE M300 Maintenance Manual (960-504)
  • Page 111: Table

    Hard disk controller status register contents ............ 3-38 Table 3-4 Error register contents..................3-39 Table 3-5 Error message....................3-80 Table 3-6 Error code for Bluetooth test (BD_ADDR)............. 3-81 Table 3-7 Error code for Bluetooth test (BD_ADDR of the DUT) ........3-85 3-vi PORTEGE M300 Maintenance Manual (960-504)
  • Page 112 PORTEGE M300 Maintenance Manual (960-504) 3-vii...
  • Page 113: The Diagnostic Test

    ? SYSTEM CONFIGURATION ? EXIT TO MS-DOS The DIAGNOSTIC TEST MENU contains the following functional tests: ? SYSTEM TEST ? MEMORY TEST ? KEYBOARD TEST ? DISPLAY TEST ? FLOPPY DISK TEST ? PRINTER TEST PORTEGE M300 Maintenance Manual (960-504)
  • Page 114 ? A cleaning kit to clean the floppy disk drive heads (Head Cleaning) ? An external CRT monitor supporting monitor ID (Expansion test) ? A CD test media TOSHIBA CD-ROM TEST DISK or ABEX TEST CD-ROM (Sound test) ? A DVD test media (DVD-ROM TEST DISK TSD-1) (Sound test)
  • Page 115: H/W(Hardware) Initial Information Setting Tool

    You will need the following equipment to perform some of the programs. ? The Diagnostics Disk (Main T&D) 3.1.3 Heatrun test program The heatrun test starts automatically after the selection. You will need the following equipment to perform this program. ? The Diagnostics Disk (Main T&D) PORTEGE M300 Maintenance Manual (960-504)
  • Page 116: Executing The Diagnostic Test

    (2)After replacing the system board, execute the subtest04 "DMI information recovery" and subtest08 "System configuration display" in 3.3 Setting of the hardware configuration in order to copy the DMI information and system information from the floppy disk. PORTEGE M300 Maintenance Manual (960-504)
  • Page 117: Diagnostics Menu (T&D)

    3.2.1 Diagnostics menu (T&D) After pressing 1 and Enter in the startup menu, the following menu appears. TOSHIBA personal computer Common DIAGNOSTICS Version X.XX (c) copyright TOSHIBA Corp. 20XX DIAGNOSTICS MENU : 1 - DIAGNOSTIC TEST 2 – ONLY ONE TEST...
  • Page 118 3.2 Executing the Diagnostic Test 3 Tests and Diagnostics PORTEGE M300 Maintenance Manual (960-504)
  • Page 119 Selecting YES of TEST LOOP increases the pass counter by one, each time the test cycle ends and restarts the test cycle. Selecting NO returns the process to the subtest menu after the test is complete. PORTEGE M300 Maintenance Manual (960-504)
  • Page 120: H/W Initial Information Setting Tool

    ################################################################## 1 ………………………… Initial configuration 2 ………………………… Region write 3 ………………………… DMI information save 4 ………………………… DMI information recovery 8 ………………………… System configuration display 9 ………………………… E2PROM test (MAC/GUID/DMI) ****************************************************************** ... Press test number[1-4,8,9] ? PORTEGE M300 Maintenance Manual (960-504)
  • Page 121: Heatrun Test Program

    For more details on this test, refer to the section 3.3. 3.2.3 Heatrun test program Heatrun test starts executing the same subtest as 3.23 RUNNING TEST. For more details on this test, refer to the section 3.4. PORTEGE M300 Maintenance Manual (960-504)
  • Page 122: Setting Of The Hardware Configuration

    6. “Write data OK (Y/N) ?” is displayed. To write the DMI information to the Flash ROM, press Y, and then Enter. 7. “Create DMIINFO TXT (Y/N) ?” is displayed. Press Y, then the DMI information (text data) is written to the Floppy disk, etc. 3-10 PORTEGE M300 Maintenance Manual (960-504)
  • Page 123 NOTE: Before replacing the system board, be sure to execute this subtest and save the DMI information to the floppy disk. This is one of tools to copy the DMI information to a new PCB after replacing. This subtest saves all the DMI data in a floppy disk. PORTEGE M300 Maintenance Manual (960-504) 3-11...
  • Page 124 Confirm the contents and press Enter. For more details on the system configuration information, refer to 3.25 "System configuration". Subtest 09 E2PROM test (MAC/GUID/DMI) It checks whether the MAC address, GUID of IEEE1394 and DMI information are written. 3-12 PORTEGE M300 Maintenance Manual (960-504)
  • Page 125: Heatrun Test

    Press any key and return to the startup menu. NOTE: The test result (Errorlog.txt) is stored in the floppy disk. The result is displayed in the same way as 3.22 LOG UTILITIES. For more detail in the display, refer to LOG UTILITIES. PORTEGE M300 Maintenance Manual (960-504) 3-13...
  • Page 126: Subtest Names

    Gradation for VGA Gradation for LCD Gradation & Mode test for VGA All dot on/off for LCD “H” pattern display LCD Brightness FLOPPY DISK Sequential read Sequential read/write Random address/data Write specified address Read specified address 3-14 PORTEGE M300 Maintenance Manual (960-504)
  • Page 127 W-R-C specified address REAL TIMER Real time Backup memory Real time carry NDP test EXPANSION PCMCIA wrap around [Not supported] RGB monitor ID CD-ROM Sequential read /DVD-ROM Read specified address Random address/data RW 1point W/R/C PORTEGE M300 Maintenance Manual (960-504) 3-15...
  • Page 128: System Test

    The following message will appear. *** Test Fan Revolution High speed Start Make sure the fan rotates at high speed, then press Enter. After a while, the fan rotating will stop. Subtest 03 Geyserville 3-16 PORTEGE M300 Maintenance Manual (960-504)
  • Page 129 : XXXXXXXXXXX Version Number : XXXXXXXXXXXX Serial Number : XXXXXXXX Model Number : XXXXXX-XXXXX UUID Number : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Press [Enter] to EXIT To exit this subtest and return to the SYSTEM test menu, press Enter. PORTEGE M300 Maintenance Manual (960-504) 3-17...
  • Page 130: Memory Test

    16KB read buffer and compared the data in the buffers. The read buffer starts from 0001 and the comparison is continued with the following read buffer addresses: 0001, 0003, 0005, 0007, 0009, 000b, 000d and 000f. 3-18 PORTEGE M300 Maintenance Manual (960-504)
  • Page 131: Keyboard Test

    Appendix D. KEYBOARD TEST IN PROGRESS 302000 Scan code Character code Keytop Ins Lock Caps Lock Num Lock Scroll Lock Ctrl Left Shift Right Shift PRESS [Enter] KEY PORTEGE M300 Maintenance Manual (960-504) 3-19...
  • Page 132: Display Test

    This subtest displays bands of gradations for mixed colors, then for red, green, and blue. Next, it displays eight solid colors full screen: red, semi-red, green, semi- green, blue, semi-blue, white, and semi-white. Each color displays for three seconds. 3-20 PORTEGE M300 Maintenance Manual (960-504)
  • Page 133 Mode 118. Subtest 05 All dot on/off for LCD This subtest displays an all-white screen then an all-black screen. The display changes automatically every three seconds, then returns to the DISPLAY TEST menu. PORTEGE M300 Maintenance Manual (960-504) 3-21...
  • Page 134 Subtest 07 LCD Brightness The LCD brightness changes in the following order: Super-Bright —> Bright —> Semi-Bright —> Bright —> Super-Bright After displaying with Super-Bright of LCD brightness, return to the DISPLAY TEST menu. 3-22 PORTEGE M300 Maintenance Manual (960-504)
  • Page 135: Floppy Disk Test

    : XXX SUB-TEST MENU : 01 - Sequential read 02 - Sequential read/write 03 - Random address/data 04 - Write specified address 05 - Read specified address 99 - Exit to DIAGNOSTIC TEST MENU PORTEGE M300 Maintenance Manual (960-504) 3-23...
  • Page 136 This subtest writes the data specified by an operator to a specified track, head, and address. Subtest 05 Read specified address This subtest reads data from a track, head, and address specified by an operator. 3-24 PORTEGE M300 Maintenance Manual (960-504)
  • Page 137: Printer Test

    Select the printer channel number, and press Enter to execute the selected subtest. Subtest 01 Ripple Pattern This subtest prints characters for codes 20h through 7Eh line-by-line while shifting one character to the left at the beginning of each new line. PORTEGE M300 Maintenance Manual (960-504) 3-25...
  • Page 138 NOTE: To execute this subtest, a printer wraparound connector must be connected to the computer’s printer port. This subtest checks the output and bi-directional modes of the data control and status lines through the parallel port wraparound connector (34M741986G01). (Both output and bi-directional modes are tested.) 3-26 PORTEGE M300 Maintenance Manual (960-504)
  • Page 139: Async Test

    FIR/SIR port. Subtest 03 Wraparound (on board) NOTE: To execute this subtest, an RS-232C wraparound connector must be connected to the RS-232C port. This subtest checks the data send/receive function through the wraparound connector. PORTEGE M300 Maintenance Manual (960-504) 3-27...
  • Page 140: Hard Disk Test

    3. This message is used to select whether or not the HDD status is displayed on the screen. The HDC status is described in section 3.19. Select 1 or 2. Detail status display (1:no, 2:yes) 3-28 PORTEGE M300 Maintenance Manual (960-504)
  • Page 141: Real Timer Test

    Writes 1-bit of “on” data (01h through 80h) to address 0Eh through 7Fh Writes 1-bit of “off” data (FEh through 7Fh) to address 0Eh through 7Fh Writes the data pattern AAh and 55h to the address 0Eh to 7Fh PORTEGE M300 Maintenance Manual (960-504) 3-29...
  • Page 142 3.14 Real Timer Test 3 Tests and Diagnostics Then the subtest reads and compares this data with the original data. 3-30 PORTEGE M300 Maintenance Manual (960-504)
  • Page 143 Current time : 23:59:58 The real time increments are automatically executed and the following is displayed: Current date : 01-01-2000 Current time : 00:00:00 PRESS [Enter] KEY TO EXIT TEST To exit the test, press Enter. PORTEGE M300 Maintenance Manual (960-504) 3-31...
  • Page 144: Ndp Test

    To execute the NDP test, select 10 from the DIAGNOSTICS TEST MENU, press Enter and follow the directions on the screen. Subtest 01 This test checks the following functions of NDP: ? Control word ? Status word ? Bus ? Addition ? Multiplication 3-32 PORTEGE M300 Maintenance Manual (960-504)
  • Page 145: Expansion Test

    –– –– Speaker line 00004 40,80 Wait line (40<xx<80) 00005 Other lines (BSY#, BVD1) NN=21, 00 NOTE: When selecting the subtest number01, the following message will appear: Test slot number select (1:slot0, 2:slot1, 0:slot0&1)? PORTEGE M300 Maintenance Manual (960-504) 3-33...
  • Page 146 The judgment of acquisition is based on the panel data. In simultaneous display mode or internal display mode, in which the panel data is acquired, this subtest will fail. Therefore, make sure only the external display is selected when executing this subtest. 3-34 PORTEGE M300 Maintenance Manual (960-504)
  • Page 147: Cd-Rom/Dvd-Rom Test

    To execute the CD-ROM/DVD-ROM test, select 13 from the DIAGNOSTICS TEST MENU, press Enter and follow the directions on the screen. NOTE: For the subtest 01, 02 and 03, use the TOSHIBA CD-ROM TEST DISK TDY-01 or ABEX TEST CD-ROM TCDR-702 and DVD-ROM TEST DISK TSD-1. For the subtest 04, use a CD-RW media on the market.
  • Page 148: Error Code And Error Status Names

    HUB - CLEAR FEATURE ERROR HUB - CLEAR FEATURE1 ERROR HUB - SET FEATURE ERROR(Enab.) HUB - CLEAR FEATURE2 ERROR USB - OVER CURRENT ERROR USB - GET DESCR.ERROR(SECOND)' Display VRAM SIZE NOT SUPPORT 3-36 PORTEGE M300 Maintenance Manual (960-504)
  • Page 149 HDD - ADDRESS MARK NOT FOUND HDD - RECORD NOT FOUND ERROR HDD - ECC ERROR HDD - HDC ERROR HDD - SEEK ERROR HDD - TIME OUT ERROR HDD - ECC RECOVER ENABLE HDD - DRIVE NOT READY PORTEGE M300 Maintenance Manual (960-504) 3-37...
  • Page 150 CARD TYPE ERROR ZV_CONT# ERROR CD-ROM BAD COMMAND /DVD-ROM ILLEGAL LENGTH UNIT ATTENTION MEDIA CHANGE REQUEST MEDIA DETECTED ADDITIMAL SENSE BOUNDARY ERROR CORRECTED DATA ERROR DRIVE NOT READY SEEK ERROR TIME OUT RESET ERROR ADDRESS ERROR 3-38 PORTEGE M300 Maintenance Manual (960-504)
  • Page 151: Hard Disk Test Detail Status

    “0” … Not used (Corrected data) “1” … Correctable data error is corrected. “0” … Not used (Index) “1” … Index is sensed. “0” … Normal (Error) “1” … The previous command was terminated with an error. PORTEGE M300 Maintenance Manual (960-504) 3-39...
  • Page 152 “1” … Illegal command error or command abort. “0” … The hard disk found track 0 during a recalibrate (Track 0) command. “1” … The hard disk could not find track 0 during a recalibrate command. —— Not used 3-40 PORTEGE M300 Maintenance Manual (960-504)
  • Page 153: Only One Test

    9 .... Common Test **************************************************************** ..Press test number[1-6, 9] ? Input the subtest number you want to test and press Enter. To return to the DIAGNOSTIC TEST menu, select 9 and press Enter. PORTEGE M300 Maintenance Manual (960-504) 3-41...
  • Page 154 Holding a key down enables the auto-repeat function which causes the key’s display character to blink. Press Del + Enter to end the test. IF TEST OK, Press [Dell][Enter]key 3-42 PORTEGE M300 Maintenance Manual (960-504)
  • Page 155 <BUTTONS> displays appear on the right side one by one. The parameters appear above the <BUTTONS> (1) or (2) corresponding to the pressed touch pad switch highlights. To end this subtest, press two touch pad switches at the same time. PORTEGE M300 Maintenance Manual (960-504) 3-43...
  • Page 156 1 .... Port 1 (Lower right) 2 .... Port 2 (Left) 9 .... EXIT to Only One Menu **************************************************************** ..Press test number[0-2, 9] ? Connect the USB test module and USB cable to the computer. 3-44 PORTEGE M300 Maintenance Manual (960-504)
  • Page 157 Press Enter and following message appears in the display. Check [DC-IN]&[Power]&[Main Battery]LED= Green/Orange Check if the each LED lights in the same color shown in the display (Message switches Green <-> Orange). Press Enter to return to the Only One Test menu. PORTEGE M300 Maintenance Manual (960-504) 3-45...
  • Page 158 Front upward Flat desk The figure below shows the name and position of each side. (heaven surface) Back Right side (right) Front Left side (left) Figure 3-1 Name and positions of each side 3-46 PORTEGE M300 Maintenance Manual (960-504)
  • Page 159 When there is no defective during the all checks above, the following message appears in the display. Then press Enter and return to the Only One Test menu. ** Setting OK! ** Press [Enter] key PORTEGE M300 Maintenance Manual (960-504) 3-47...
  • Page 160 The test is halted at the point when the defective is found. ** Setting ERROR! ** Press [Enter] key Press Enter and return to the Only One Test menu. Then execute the test again. 3-48 PORTEGE M300 Maintenance Manual (960-504)
  • Page 161: Head Cleaning

    2. Remove the Diagnostics Disk from the FDD, then insert the cleaning disk and press Enter. 3. When the message appears, the FDD head cleaning has begun. “cleaning start” 4. The display automatically returns to the DIAGNOSTIC MENU when the program is completed. PORTEGE M300 Maintenance Manual (960-504) 3-49...
  • Page 162: Log Utilities

    5. FDD/HDD or memory address (ADDR) 6. Write data (WD) 7. Read data (RD) 8. HDC status (HSTS) 9. Error status name (ERROR STATUS NAME) If the power switch is turned off, the error information will be lost. 3-50 PORTEGE M300 Maintenance Manual (960-504)
  • Page 163: Operations

    The 7 key writes the log information to a floppy disk. 3. In the case of “error retry OK,” a capital “R” will be placed at the beginning of the error status. However, it is not added to the error count. PORTEGE M300 Maintenance Manual (960-504) 3-51...
  • Page 164: Running Test

    2. To execute the test, press Y and Enter. To cancel the test, press N and Enter. If you select the selectable tests, follow the instruction message in the display. 3. After selecting the selectable tests, the running test starts automatically. To terminate the program, press Ctrl + Break. 3-52 PORTEGE M300 Maintenance Manual (960-504)
  • Page 165: Floppy Disk Drive Utilities

    This program displays the contents of the floppy disk and the designated sectors of the hard disk on the display. 4. HDD ID READ This program reads the hard disk ID and displays hard disk model number. PORTEGE M300 Maintenance Manual (960-504) 3-53...
  • Page 166: Operations

    After the floppy disk is formatted, the following message will appear: Format complete Another format (1:Yes/2:No) ? (e) Typing 1 displays the message from step (c) above. Typing 2 returns the test to the DIAGNOSTIC MENU. 3-54 PORTEGE M300 Maintenance Manual (960-504)
  • Page 167 Copy complete Another copy (1:Yes/2:No) ? (g) To copy another disk, type 1 and the message from step (a) is displayed again. Entering 2 returns the test program to the DIAGNOSTIC MENU. PORTEGE M300 Maintenance Manual (960-504) 3-55...
  • Page 168 (i) Select a drive number and the following message will be displayed. ---Max. address --- [LBA ] = XXXXXXXXX LBA number ???????? (j) Set the LBA number you want to dump. The system will access the disk and dump a list. 3-56 PORTEGE M300 Maintenance Manual (960-504)
  • Page 169 5. HDD ID READ program Selecting HDD ID displays the following HDD ID configuration: [HDD ID Read (VX.XX)] [Drive #1] [Drive #2] Model No. = XXXXXXX = YYYYYYY Press Enter to return to the FDD UTILITIES MENU. PORTEGE M300 Maintenance Manual (960-504) 3-57...
  • Page 170 1. Forward sequential 2. Reverse sequential 3. Random Subtest 03 Random address/data This subtest writes random data in a random length to random addresses. This data is then read and compared to the original data. PORTEGE M300 Maintenance Manual (960-504) 3-29...
  • Page 171 This subtest writes specified 2-byte data to all of the cylinders on the HDD. Subtest 09 W-R-C specified address This subtest writes data to a specified cylinder and head on the HDD, then reads the data and compares it to the original data. 3-30 PORTEGE M300 Maintenance Manual (960-504)
  • Page 172: System Configuration

    14. The number of ASYNC ports 15. Math co-processors 16. Floppy Disk Drive [Track/Head/Sector] 17. Hard Disk Drive [Sector/Drive size/Manufacture code] 18. Optical Disk Drive [Maker/Drive type/Manufacture code/Product code] 19. T&D total version 20. Date/Time PORTEGE M300 Maintenance Manual (960-504) 3-57...
  • Page 173: Operations

    #2 Sectors = XXXXXXXXXX (XXXGB) [XXXXXXXXXXXXXXXXX] - ODD Drive = XXXX XXXXXXXX XXXXXXXXX [XXXXXXXXXXXX] - T&D Total Version = VX.XX Press [Enter] Key [Date = XXXX-YY-ZZ, XX:YY:ZZ] Press Enter to return to the DIAGNOSTIC MENU. 3-58 PORTEGE M300 Maintenance Manual (960-504)
  • Page 174: Wireless Lan Test Program (Intel-Made B)

    OK message appears in the display if the test ends without a defect. Then, press any key to finish the test. If an error is detected during the MAC address check, NG message appears in the display. After pressing any key, following message appears in the display and finish the test. PORTEGE M300 Maintenance Manual (960-504) 3-59...
  • Page 175 ? Connection of wireless LAN card ? Connection of wireless LAN antenna cable (Main/Aux) ? Condition of wireless LAN communication (Interference/obstruction) ? Defective wireless LAN card Checking the connection and condition, execute the test again. 3-60 PORTEGE M300 Maintenance Manual (960-504)
  • Page 176: Wireless Lan Test Program (Intel-Made B/G)

    : Intel Calexico 802.11b/g (MoW) G-code : G36C0000X310 PBA No. : C55369 ************************************************************* If a defective is found during the test, NG message will appear in the display. Press any key and return to the test menu. PORTEGE M300 Maintenance Manual (960-504) 3-61...
  • Page 177 When a defective is detected in the test, following typical cause is considered. ? Connection of wireless LAN card ? Defective wireless LAN card ? Disappearance of MAC address data Checking the connection, execute the subtest again. 3-62 PORTEGE M300 Maintenance Manual (960-504)
  • Page 178 When a defective is detected in the test, following typical cause is considered. ? Connection of wireless LAN card ? Connection of wireless LAN antenna cable (Main/Aux) ? Condition of wireless LAN communication (Interference/obstruction) ? Defective wireless LAN card PORTEGE M300 Maintenance Manual (960-504) 3-63...
  • Page 179 This subtest checks SKU information, MAC address, connection and communication of wireless LAN antenna of Calexico 802.11b/g card. The test stops at when a defective is found. For more details, refer to each subtest. 3-64 PORTEGE M300 Maintenance Manual (960-504)
  • Page 180: Wireless Lan Test Program (Intel-Made A/B/G)

    Confirm if the right information on the wireless LAN card is described. ************************************************************* Module : Intel Calexico 802.11a/g (MoW) G-code : G36C00018510 PBA No. : C67287 ************************************************************* PORTEGE M300 Maintenance Manual (960-504) 3-65...
  • Page 181 3.28 Wireless LAN Test Program (Intel-made a/b/g) 3 Tests and Diagnostics Press any key and return to the test menu. 3-66 PORTEGE M300 Maintenance Manual (960-504)
  • Page 182 If a defective is found during the test, following message will appear in the display. ************************************************************* ERROR: MAC all F MAC = XXXXXXXXXXXX ************************************************************* ************************************************************* MAC Address Check : NG !! ************************************************************* Press any key and return to the test menu. PORTEGE M300 Maintenance Manual (960-504) 3-67...
  • Page 183 Press any key and following message will appear in the display. Check which antenna (Main/Aux) is defective. ************************************************************* Aux Antenna Test : NG !! ************************************************************* Press any key and return to the test menu. 3-68 PORTEGE M300 Maintenance Manual (960-504)
  • Page 184 ? Connection of wireless LAN card ? Connection of wireless LAN antenna cable (Main) ? Condition of wireless LAN communication (Interference/obstruction) ? Defective wireless LAN card Checking the connection and condition, execute the subtest again. PORTEGE M300 Maintenance Manual (960-504) 3-69...
  • Page 185 Calexico 802.11b card and communication test of Calexico 802.11a and Calexico 802.11g. The test stops at when a defective is found. For more details, refer to each subtest. 3-70 PORTEGE M300 Maintenance Manual (960-504)
  • Page 186: Wireless Lan Test Program (Askey-Made)

    3. Take out the program disk 1 and insert program disk 2. Then, press S and Enter. 4. Executing program disk 2, following menu will appear in the display. To execute the subtest, press test number and Enter. PORTEGE M300 Maintenance Manual (960-504) 3-71...
  • Page 187 When a defective is detected in the test, following typical cause is considered. ? Connection of wireless LAN card ? Using a wrong wireless LAN card (Using unspecified card) ? Defective wireless LAN card Checking the connection, execute the subtest again. 3-72 PORTEGE M300 Maintenance Manual (960-504)
  • Page 188 Press any key and following message will appear in the display. ************************************************************* 11a Communication Test : NG !! Please refer to log. txt ************************************************************* Press any key and return to the test menu. Open the log file (log.txt) and check the result. PORTEGE M300 Maintenance Manual (960-504) 3-73...
  • Page 189 This subtest checks SKU information, MAC address, connection and communication of wireless LAN antenna of Atheros 802.11a mode, Atheros 802.11b mode and Atheros 802.11g mode. The test stops at when a defective is found. For more details, refer to each subtest. 3-74 PORTEGE M300 Maintenance Manual (960-504)
  • Page 190: Lan/Modem/Bluetooth/Ieee1394 Test Program

    #################################################################### ######### i82562 ICHx Gbe (i82540) Diagnostics program ##### #################################################################### 1 .... (i82562 + ICHx) 2 .... (Gbe) ******************************************************************** ..Press test number[1-2] ? Press the number you want to test and press Enter. PORTEGE M300 Maintenance Manual (960-504) 3-75...
  • Page 191 < TRANSMIT > < RECEIVE > NOTE: The menu displayed by your computer may be slightly different from the one shown above. If a defective is found, NG message will appear in the display. 3-76 PORTEGE M300 Maintenance Manual (960-504)
  • Page 192 1000Base Auto-negotiation TxRx Test CE Test Complete NOTE: The menu displayed by your computer may be slightly different from the one shown above. If a defective is found, NG message will appear in the display. PORTEGE M300 Maintenance Manual (960-504) 3-77...
  • Page 193: Modem Test

    RJ11 Connection Check (LED) (Operator’s Check LED) test will be executed, and the following message will appear: ...Press Key (Y = OK , N =NG) If the color in the LED of the connection checker is orange, press Y, otherwise, press N. 3-78 PORTEGE M300 Maintenance Manual (960-504)
  • Page 194: Bluetooth Test

    ..Press test number [1, 3, T] ? _ Press 1 or 3 key to perform the corresponding subtest. To quit the Bluetooth test program, eject the floppy disk and turn the computer off while the menu above is displayed. PORTEGE M300 Maintenance Manual (960-504) 3-79...
  • Page 195 1 to select the test and press Enter. The following message will appear: ---------------------------------------------------------------------------- Bluetooth Subsystem T&D for PCSE(BD_ADDR) VerX.XX Copyright (C) by TOSHIBA ---------------------------------------------------------------------------- Initializing … When the machine has passed the test, it displays BD_ADDR. If BD_ADDR has no problem, the following message is displayed.
  • Page 196: Table

    3 Tests and Diagnostics 3.30 LAN/Modem/Bluetooth/IEEE1394 Test Program If the target machine has any problem, it displays Error CODE. The following message is displayed. ---------------------------------------------------------------------------- Bluetooth Subsystem T&D for PCSE(BD_ADDR) VerX.XX Copyright (C) by TOSHIBA ---------------------------------------------------------------------------- My BD_ADDR = XXXXXXXXXXXX [h] FFFFFF FFFFFF...
  • Page 197 0x1a Unsupported Remote Feature. 0x1b SCO Offset Rejected. 0x1c SCO Interval Rejected. 0x1d SCO Air Mode Rejected. 0x1e Invalid LMP Parameters. 0x1f Unspecified Error. ** See the Specification of the Bluetooth System for details. 3-82 PORTEGE M300 Maintenance Manual (960-504)
  • Page 198 The following message is displayed. ---------------------------------------------------------------------------- Bluetooth Subsystem T&D for PCSE(CS-Air) VerX.XX Copyright (C) by TOSHIBA ---------------------------------------------------------------------------- +----------------------+ BD_ADDR of the DUT = XXXXXXXXXXXXX [h] +----------------------+ <- Progress Bar Ready>>>>>>>>>>>>>>>>>>>>>> PORTEGE M300 Maintenance Manual (960-504) 3-83...
  • Page 199 +----------------------+ BD_ADDR of the DUT = XXXXXXXXXXXXX [h] +----------------------+ CCCC M PPPPPP EEEEEE TTTTTTT EEEEEEE DDDDD MM P O M M M M P M PPPPPP EEEEEE EEEEEEE D CCCC LLLLLLL EEEEEE EEEEEEE DDDDD 3-84 PORTEGE M300 Maintenance Manual (960-504)
  • Page 200 M PPPPPP EEEEEE TTTTTTT EEEEEEE MM P O M M M M P M PPPPPP EEEEEE EEEEEEE N N C CCCC LLLLLLL EEEEEE EEEEEEE Testing is finished _Press any key to continue. . . PORTEGE M300 Maintenance Manual (960-504) 3-85...
  • Page 201 0x1a Unsupported Remote Feature. 0x1b SCO Offset Rejected. 0x1c SCO Interval Rejected. 0x1d SCO Air Mode Rejected. 0x1e Invalid LMP Parameters. 0x1f Unspecified Error. ** See the Specification of the Bluetooth System in detail. 3-86 PORTEGE M300 Maintenance Manual (960-504)
  • Page 202 0x28 Not Exist 0x29 Not Exist 0x2a Not Exist 0x2b Not Exist 0x2c Not Exist 0x2d Not Exist 0x2e Not Exist 0x2f Not Exist ** See the Specification of the Bluetooth System in detail. PORTEGE M300 Maintenance Manual (960-504) 3-87...
  • Page 203: Ieee1394 Test

    This program is executed in the responder machine to initialize the responder machine with the IEEE1394 cable connected to the target machine before executing subtest 01. Subtest03 IEEE1394 GUID Display This program checks the GUID of IEEE1394. 3-88 PORTEGE M300 Maintenance Manual (960-504)
  • Page 204: Sound Test Program

    1 .... ( Microphone recording & play ) 2 .... ( Sine wave ) 3 .... ( Line IN recording & play ) 9 .... Exit to Main **************************************************************** ..Press test number[1-3, 9] ? 3-88 PORTEGE M300 Maintenance Manual (960-504)
  • Page 205 Build data: XXX XX XXXX at XX:XX:XX Loading “mic.wav”. NOTE: The message in the display might have slight difference from those above. The display returns to the Sound (Standard) test menu after the test ends. PORTEGE M300 Maintenance Manual (960-504) 3-89...
  • Page 206: Sound (Legacy) Test

    The display returns to the Sound (Standard) test menu after the test ends. 3.31.2 Sound (Legacy) test To execute the Sound (Legacy) test, select 2 and press Enter. CAUTION: Sound (Legacy) test is not supported in this model. 3-90 PORTEGE M300 Maintenance Manual (960-504)
  • Page 207: Cd Sound (Standard) Test

    3.31 Sound Test program 3.31.3 CD Sound (Standard) test To execute the CD Sound (Standard) test, press 3 and Enter. Insert the test media (TOSHIBA TEST CD-ROM or ABEX TEST CD-ROM) or music CD on the market (if the test media can not be prepared).
  • Page 208 This subtest plays sine wave while changing its table from 400Hz to 3KHz and also changing the channel from left speaker to right speaker. Return to the CD Sound (Standard) menu after the test ends. 3-92 PORTEGE M300 Maintenance Manual (960-504)
  • Page 209: Cd Sound (Legacy) Test

    [Device Config.] of the BIOS SETUP. If the "ALL DEVICE" is not selected, music can not be played. 3.31.4 CD Sound (Legacy) test To execute the CD Sound (Legacy) test, select 4 and press Enter. PORTEGE M300 Maintenance Manual (960-504) 3-93...
  • Page 210: Setup

    (b) CPU Cache (c) Level 2 Cache (d) Dynamic CPU Frequency Mode (e) Auto Power On (f) Panel power On/Off (g) Performance/Battery Life Setting 9. Configuration 10. I/O Ports (a) Serial (b) Parallel 11. Drives I/O 3-94 PORTEGE M300 Maintenance Manual (960-504)
  • Page 211 12. PCI Bus 13. Peripheral (a) Internal Pointing Device (b) External keyboard "Fn" (c) Parallel Port Mode (d) Hard Disk Mode 14. LEGACY EMULATION (a) USB KB/Mouse Legacy Emulation (b) USB-FDD Legacy Emulation 15. PCI LAN PORTEGE M300 Maintenance Manual (960-504) 3-95...
  • Page 212 Selecting 0 from the DIAGNOSTICS MENU and pressing Enter displays the followings: NOTE: *1. This item is displayed only when Pentium model is used for CPU. *2. This item is displayed only when "Resume" is set as [Power-up mode] in [OTHERS] menu box. 3-96 PORTEGE M300 Maintenance Manual (960-504)
  • Page 213 1. To show the factory preset configuration, press Home. 2. To accept the default settings, press End and then press Y. NOTE: When you execute the default setting, the following settings are not changed: (1) HDD Mode (2) Password (3) Write Policy PORTEGE M300 Maintenance Manual (960-504) 3-97...
  • Page 214 The following shows full power settings. Low Power The following shows low power settings. NOTE: Display of the LCD Brightness will be changed in the condition below: (*1) Operating the battery (*2) Using the AC adapter 3-98 PORTEGE M300 Maintenance Manual (960-504)
  • Page 215 Automatically turns off the power to the hard disk drive if it is not used for the duration set. The duration xx can be set to 1, 3, 5, 10, 15, 20 or 30 minutes. PORTEGE M300 Maintenance Manual (960-504) 3-99...
  • Page 216 For details on setting the user password, refer to the User’s Manual. 5. HDD Password This option registers, resets or changes the HDD password. (a) HDD Selects hard disk for setting the password. The password is set to Built-in HDD. Built-in HDD 3-100 PORTEGE M300 Maintenance Manual (960-504)
  • Page 217 CD-ROM, LAN, FDD and HDD. HDD? FDD? CD-ROM? LAN: The computer looks for bootable files in the following order: HDD, FDD, CD-ROM and LAN. (Default) (*1) CD-ROM refers to a Optical Disk Drive. PORTEGE M300 Maintenance Manual (960-504) 3-101...
  • Page 218 Whether or not you need to configure the computer with these options depends primarily on the kind of software or peripherals you use. (a) Power-up Mode Use this option to choose between resume and boot mode. Boot Turns on boot mode. (Default) Resume Turns on resume mode. 3-102 PORTEGE M300 Maintenance Manual (960-504)
  • Page 219 Enabled Indicates auto power on is set. When “Enabled” is selected, the following sub-window appears. OPTIONS Alarm Time = 00:00:00 Alarm Date Option = Disabled Ring Indicator = Disabled Wake-up on LAN = Disabled PORTEGE M300 Maintenance Manual (960-504) 3-103...
  • Page 220 Enables the Panel Power On/Off. Disabled Disables the Panel Power On/Off. (Default) (g) Performance/Battery Life Setting Use this option to choose a setting of Memory Bus Clock and Graphics Core Clock from the followings. Performance Initial setting. (Default) 3-104 PORTEGE M300 Maintenance Manual (960-504)
  • Page 221 Operating system initializes other devices. NOTE: (1) When using installed OS, selecting “Setup by OS” is recommended. (2) When executing test programs, be sure to select “ALL Device”. And after the test end, select “Setup by OS”. PORTEGE M300 Maintenance Manual (960-504) 3-105...
  • Page 222 When the parallel port mode (see settings below) is set to ECP, the DMA channel can also be set to 1 or 3. The default is 3. LPT setting Interrupt level I/O address DMA channel LPT 1 378H 3 (Default) LPT 2 278H LPT 3 3BCH 3-106 PORTEGE M300 Maintenance Manual (960-504)
  • Page 223 Disables the touch pad. (b) Ext Keyboard "Fn" This option enables or disables Fn key function on the external keyboard. Enabled Enables the feature. Disabled Disables the feature. (Default) When “Enabled” is selected, the following sub-window appears. PORTEGE M300 Maintenance Manual (960-504) 3-107...
  • Page 224 Std. Bi-Direct. Sets the bi-directional setting. This setting should be used with some other parallel devices. NOTE: When using Windows, the setting of “Toshiba HW setup” is enabled and the setting of “Parallel Port Mode” is disabled. (d) Hard Disk Mode Use this option to select the hard disk mode.
  • Page 225 USB floppy disk is available without the driver. Disabled Disables LEGACY support 15. PCI LAN This option sets the Enable / Disable of the built-in LAN functions. Enabled Enables built-in LAN functions. (Default) Disabled Disables built-in LAN functions. PORTEGE M300 Maintenance Manual (960-504) 3-109...
  • Page 226 3.32 SETUP 3 Tests and Diagnostics 3-110 PORTEGE M300 Maintenance Manual (960-504)
  • Page 227: Chapter 4 Replacement Procedures

    Chapter 4 Replacement Procedures...
  • Page 228 4 Replacement Procedures 4-ii PORTEGE M300 Maintenance Manual (960-504)
  • Page 229 Cooling fin ......................... 4-45 4.20 HDD FPC ......................... 4-47 4.21 Modem........................4-48 4.22 DC-IN jack....................... 4-50 4.23 PC card slot cover ..................... 4-51 4.24 Display latch......................4-53 4.25 Battery lock/Battery latch................... 4-55 4.26 LCD mask......................... 4-56 PORTEGE M300 Maintenance Manual (960-504) 4-iii...
  • Page 230 Removing the brackets ................... 4-26 Figure 4-17 Removing screws (bottom)................4-28 Figure 4-18 Removing the screws and cables ..............4-29 Figure 4-19 Removing the antenna cables................4-30 Figure 4-20 Removing the display assembly............... 4-31 4-iv PORTEGE M300 Maintenance Manual (960-504)
  • Page 231 Removing the LCD harness ................4-63 Figure 4-45 Removing the wireless antennas..............4-65 Figure 4-46 Removing the front panel................4-66 Figure 4-47 Removing the hinge ..................4-67 Figure 4-48 to 4-57 Replacing FL (12.1-inch TMD-made) ..........4-69 to 4-76 PORTEGE M300 Maintenance Manual (960-504)
  • Page 232 4 Replacement Procedures 4-vi PORTEGE M300 Maintenance Manual (960-504)
  • Page 233: General

    Refer to the example at the bottom of the page. How to See the Chart An example of referring to the chart is shown below. ?Removing the Optical drive 4.2 Battery pack to 4.4 HDD directly above the optical drive must be removed. PORTEGE M300 Maintenance Manual (960-504)
  • Page 234 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.
  • Page 235 9. The computer contains many sharp edges and corners, so be careful not to injure yourself. 10. After you have replaced an FRU, make sure the computer is functioning properly by performing the appropriate test on the FRU you have fixed or replaced. PORTEGE M300 Maintenance Manual (960-504)
  • Page 236: Disassembly Procedures

    Make sure all cables and connectors are securely fastened. Before securing the FRU or other parts, make sure that screws or the FRU will pinch no cables. Check that all latches are closed securely in place. PORTEGE M300 Maintenance Manual (960-504)
  • Page 237 Tweezers, to lift out screws that you cannot grasp with your fingers ESD mats for the floor and the table you are working on An ESD wrist strap or heel grounder Anti-static carpeting or flooring Air ionizers in highly static sensitive areas Antenna coaxial cable disconnector PORTEGE M300 Maintenance Manual (960-504)
  • Page 238 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. M1.4 (1.4mm) 0.078 N·m (0.8 kgf·cm) M2.0 (2.0mm)
  • Page 239 (Unique screws, STUD, etc.) Examples: ? 6 mm BIND screw ? 12 mm BIND screw ? 5 mm FLAT HEAD screw ? (Indicates the screwed length in round number regardless the length of the stud.) PORTEGE M300 Maintenance Manual (960-504)
  • Page 240: Battery Pack

    5. While sliding the battery release latch, pull out the battery pack to the arrow direction. Battery lock Battery pack Battery release latch Figure 4-1 Removing the Battery pack NOTE: Dispose of the used battery pack in accordance with the laws and ordinances of your local authority. PORTEGE M300 Maintenance Manual (960-504)
  • Page 241 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.
  • Page 242: Pc Card/Sd Card/Cf Card

    To install a PC card, follow the steps below and refer to figure 4-2. 1. Make sure the eject button does not stick out. 2. Insert a PC card and press it until it is securely connected. 4-10 PORTEGE M300 Maintenance Manual (960-504)
  • Page 243: Sd Card

    Figure 4-3 Removing a SD card Installing a SD Card To install a SD card, follow the steps below and refer to figure 4-3. 1. Insert a SD card and press it until it is securely connected. PORTEGE M300 Maintenance Manual (960-504) 4-11...
  • Page 244: Cf Card

    1. Push the eject button. It will pop out when you release it. Then press once more the eject button to eject a CF card. 2. Grasp a CF card and pull it out. Eject button CF card Figure 4-4 Removing a CF card 4-12 PORTEGE M300 Maintenance Manual (960-504)
  • Page 245 Eject button Dummy card Figure 4-5 Removing the dummy card 2. Insert a CF card and press it until it is securely connected. CF card Figure 4-6 Inserting a CF card PORTEGE M300 Maintenance Manual (960-504) 4-13...
  • Page 246: Hdd

    3. Lift up the HDD assembly from screw hole side. 4. Disconnect the HDD assembly carefully from the connector of the HDD FPC. HDD slot cover Screw (e-ring) HDD assembly HDD FPC Figure 4-7 Removing the HDD assembly 4-14 PORTEGE M300 Maintenance Manual (960-504)
  • Page 247 NOTE: When removing the HDD bracket, be sure to remove the screws in the reverse order of the number marked on the holder (4? 3? 2? 1). HDD cushion rubber HDD bracket M3.0x4.0S FLAT BIND M3.0x4.0S FLAT BIND HDD cushion rubber Figure 4-8 Removing the HDD PORTEGE M300 Maintenance Manual (960-504) 4-15...
  • Page 248 NOTE: When installing the HDD assembly to the slot, make sure that the printed character "UP" on the HDD cushion rubber is not seen from the slot. 5. Install the HDD slot cover and secure it with the screw (with e-ring). 4-16 PORTEGE M300 Maintenance Manual (960-504)
  • Page 249: Memory Module

    4. Open the left and right latches and remove a memory module from the connector CN1440 on the system board. Memory slot cover CN1440 Screw (e-ring) Memory module Figure 4-9 Removing a memory module PORTEGE M300 Maintenance Manual (960-504) 4-17...
  • Page 250 3. When the power of the computer is turned on, the computer checks automatically the memory size. Confirm that a new memory module is detected correctly. 4. If the memory is not detected, check that it is connected correctly. 4-18 PORTEGE M300 Maintenance Manual (960-504)
  • Page 251: Keyboard

    4. Slide the speaker cover (L) toward the arrow direction and remove it. 5. Remove the following screws securing the keyboard. M2.0? 3.0S S-THIN FLAT BIND screw ? 1 (Left side) M2.0? 4.0B LH STICK ? 1 (Right side) M2.0? 3.0S S-THIN FLAT BIND screw PORTEGE M300 Maintenance Manual (960-504) 4-19...
  • Page 252 8. Turning up the cover sheet, disconnect the keyboard flexible cable from the connector CN3230 on the system board. 9. Pull out the keyboard flexible cable through the slit and remove the keyboard. Cover tape 4-20 PORTEGE M300 Maintenance Manual (960-504)
  • Page 253 M2.0? 3.0S S-THIN FLAT BIND screw ? 1 (Left side) M2.0? 4.0B LH STICK ? 1 (Right side) M2.0? 3.0S S-THIN FLAT BIND screw 5. Slide and install the speaker cover (L) to the computer. PORTEGE M300 Maintenance Manual (960-504) 4-21...
  • Page 254 (L). 6. Install the speaker cover (S) to the computer. 7. Turn the computer upside down and secure the keyboard with the following screw on the bottom. M2.0? 6.0B BIND screw 4-22 PORTEGE M300 Maintenance Manual (960-504)
  • Page 255: Switch Membrane

    3. Remove the following screws and remove the switch membrane. M2.0? 3.0S S-THIN FLAT BIND screw M2.0x3.0S S-THIN FLAT BIND Switch cover M2.0x3.0S S-THIN FLAT BIND CN3270 Switch membrane Figure 4-13 Removing the switch membrane PORTEGE M300 Maintenance Manual (960-504) 4-23...
  • Page 256 3. Install the switch cover and secure it with the following screw. M2.0? 3.0S S-THIN FLAT BIND screw CAUTION: When installing the switch cover, put the tab of switch membrane into the switch cover. 4-24 PORTEGE M300 Maintenance Manual (960-504)
  • Page 257: Bluetooth

    2. Connect the bluetooth flat cable to both a bluetooth module and the connector CN4400 on the system board. 3. Install a bluetooth module along the guide and secure it with the following screw. M2.0? 3.0S S-THIN FLAT BIND screw PORTEGE M300 Maintenance Manual (960-504) 4-25...
  • Page 258: Optical Drive

    M2.0? 4.0B BIND screw 2. Push out an optical drive assembly by pressing it from the slot and remove it. Optical drive M2.5x4.0B BIND M2.5x10.0B FLAT BIND Slot Figure 4-15 Removing an optical drive assembly 4-26 PORTEGE M300 Maintenance Manual (960-504)
  • Page 259 4. Remove the following screw securing the side bracket and remove it from an optical drive assembly. M2.0? 3.0S S-THIN FLAT BIND screw Rear bracket M2.0x3.0S S-THIN FLAT BIND Stepping screw Side bracket Fitting this dent to the side bracket Figure 4-16 Removing the brackets PORTEGE M300 Maintenance Manual (960-504) 4-27...
  • Page 260 CAUTION: When inserting an optical drive, be sure to turn the computer face up. Also, be careful not to insert the drive upside down. 4. Turn over the computer and secure an optical drive with the following screws . M2.5? 10.0B FLAT BIND screw M2.0? 4.0B BIND screw 4-28 PORTEGE M300 Maintenance Manual (960-504)
  • Page 261: Display Assembly

    2. Remove the following screws on the bottom. ? 9 (Described "6" in the figure) M2.0? 6.0B BIND screw ? 1 (Described "4" in the figure) M2.0? 4.0B BIND screw Figure 4-17 Removing the screws (bottom) 4-28 PORTEGE M300 Maintenance Manual (960-504)
  • Page 262 (Connected to CN8812) M2.0x6.0B BIND Speaker cable (Connected to CN6180) M2.0x6.0B BIND M2.0x6.0B BIND (securing with GND cable) LCD harness (Connected to CN4100) Touch pad cable (Connected to CN3240) Figure 4-18 Removing the screws and cables PORTEGE M300 Maintenance Manual (960-504) 4-29...
  • Page 263 11. Turn up the insulators 1 and pull out the wireless LAN antenna cables from the guide of cover assembly. Insulator 1 Glass tape 1 Wireless LAN antenna cable Bluetooth antenna cable Figure 4-19 Removing the antenna cables 4-30 PORTEGE M300 Maintenance Manual (960-504)
  • Page 264 Display assembly M2.5x8.0B FLAT BIND [with Locktight] Hinge cap M2.5x8.0B FLAT BIND M2.5x8.0B FLAT BIND [with Locktight] Hinge M2.5x8.0B FLAT BIND Base assembly Hinge cap Figure 4-20 Removing the display assembly PORTEGE M300 Maintenance Manual (960-504) 4-31...
  • Page 265 19. Part the cover assembly from the base assembly. Cover assembly LAN harness Insulator 2 Glass tape 2 Wireless LAN antenna cables Base assembly Lever portion of CF card slot cover Figure 4-21 Removing the cover assembly 4-32 PORTEGE M300 Maintenance Manual (960-504)
  • Page 266 8. Connect the LCD harness to the connector CN5600 on the system board. CAUTION: When connecting the LAN harness, be careful not to arrange the harness under the insulator. 9. Connect the inverter harness to the connector CN8812 on the system board. PORTEGE M300 Maintenance Manual (960-504) 4-33...
  • Page 267 16. Turn the computer face down and secure the cover assembly with the following screws from the bottom. ? 9 (Described "6" in the figure) M2.0? 6.0B BIND screw ? 1 (Described "4" in the figure) M2.0? 4.0B BIND screw 4-34 PORTEGE M300 Maintenance Manual (960-504)
  • Page 268: Speaker

    To install the speaker, follow the steps below and refer to figures 4-22. 1. Install the speaker to the slot of cover assembly. 2. Arrange the speaker cable along the guide and secure them with insulators. PORTEGE M300 Maintenance Manual (960-504) 4-35...
  • Page 269: Touch Pad

    2. Remove the pad cover while releasing the latches. 3. Remove the following screws securing the touch pad. M2.0x3.0S S-THIN FLAT BIND screw 4. Remove the touch pad while peeling off the adhered portion from cover assembly. 4-36 PORTEGE M300 Maintenance Manual (960-504)
  • Page 270 3. Stick the cover sheet along the guide of cover assembly. CAUTION: Do not reuse the cover sheet. Be sure to use a new cover sheet after peeling off the cover sheet from the cover assembly. PORTEGE M300 Maintenance Manual (960-504) 4-37...
  • Page 271: Wireless Lan Card

    To install the wireless LAN card, follow the steps below and refer to figure 4-25. 1. Insert the wireless LAN card into the connector CN2200 of the system board slantwise and press it to connect firmly. 4-38 PORTEGE M300 Maintenance Manual (960-504)
  • Page 272: Rtc Battery

    To install the RTC battery, follow the steps below and refer to figure 4-26. 1. Connect the RTC battery cable to the connector CN8760 on the system board. 2. Insert the RTC battery into the slot of base assembly. 3. Set the spacer into the slot. PORTEGE M300 Maintenance Manual (960-504) 4-39...
  • Page 273: Lan Jack

    To install the LAN jack, follow the steps below and refer to figure 4-27. 1. Install the LAN jack to the slot of base assembly. 2. Cover the core portion of LAN harness with insulator. 4-40 PORTEGE M300 Maintenance Manual (960-504)
  • Page 274: System Board

    1. While pulling out the DC-IN jack and modem jack from the base assembly, lift up the system board and remove it toward the arrow direction. System board DC-IN jack Modem jack Sound I/F side Slot portion Figure 4-28 Removing the system board PORTEGE M300 Maintenance Manual (960-504) 4-41...
  • Page 275 1. While fitting the DC-IN jack and modem jack into the slot of base assembly, install the system board from the sound I/F side. NOTE: After installing the system board to the base assembly, put the microphone cable into the slot. 4-42 PORTEGE M300 Maintenance Manual (960-504)
  • Page 276: Microphone

    1. Insert the edge of the microphone into the hole of system board. 2. Pull the edge of microphone from the back of the system board and secure it to the system board. 3. Connect the microphone cable to the connector CN6050 on the system board. PORTEGE M300 Maintenance Manual (960-504) 4-43...
  • Page 277: Fan

    1. Install the fan and secure it with the following screws . M2.0x4.0B BIND screw 2. Connect the fan cable to the connector CN8770 on the system board. CAUTION: Arrange the fan cable away from C9013 and C9014 on the system board. 4-44 PORTEGE M300 Maintenance Manual (960-504)
  • Page 278: Cooling Fin

    NOTE: When removing the cooling fin, be sure to remove the screws in the reverse order of the number marked on the cooling fin (2? 1). M2.0x3.0S S-THIN FLAT BIND Cooling fin Figure 4-31 Removing the cooling fin PORTEGE M300 Maintenance Manual (960-504) 4-45...
  • Page 279 3. Install the cooling fin and secure it with the following screws . M2.0x3.0S S-THIN FLAT BIND screw NOTE: When installing the cooling fin, be sure to install the screws in the order of the number marked on the cooling fin (1? 2). 4-46 PORTEGE M300 Maintenance Manual (960-504)
  • Page 280: Hdd Fpc

    To install the HDD FPC, follow the steps below and refer to figures 4-33. 1. Connect the HDD FPC to the connector CN1800 on the system board. 2. Push down the slider of connector and secure the lock. PORTEGE M300 Maintenance Manual (960-504) 4-47...
  • Page 281 CAUTION: To lock the connector by slider, follow the procedures below. (1). Push down the slider of connector from the top by pressing whole top surface. (2). Secure the lock by pushing down the slider completely. 4-48 PORTEGE M300 Maintenance Manual (960-504)
  • Page 282: Modem

    5. Turning up the insulators 1 covering the modem cable, pull out the modem cable. 6. Opening the insulator 2 covering the core of modem cable, pull out the modem cable from the slit of insulator and remove it from the system board. PORTEGE M300 Maintenance Manual (960-504) 4-49...
  • Page 283 4. Connect the modem cable to the connector of the MDC. 5. Connect the MDC straight down to the connector CN3000 on the system board. 6. Secure the MDC with the following screws . M2.0x4.0Z BIND screw 4-50 PORTEGE M300 Maintenance Manual (960-504)
  • Page 284: Dc-In Jack

    Figure 4-36 Removing the DC-IN jack Installing the DC-IN jack To install the DC-IN jack, follow the steps below and refer to figure 4-36. 1. Connect the DC-IN harness to the connector CN8800 on the system board. PORTEGE M300 Maintenance Manual (960-504) 4-51...
  • Page 285: Pc Card Slot Cover

    FLAT BIND screw 2. Release the hook and remove the PC card slot cover from the system board. Hook Insulator M2.0x4.0S FLAT BIND M2.0x4.0S FLAT BIND Figure 4-37 Removing the PC card slot cover 4-52 PORTEGE M300 Maintenance Manual (960-504)
  • Page 286 1. While locking the hook of PC card slot cover, install the PC card slot cover. 2. Secure the PC card slot cover with following screws . M2.0x4.0B FLAT BIND screw 3. Stick the insulator on the system board. PORTEGE M300 Maintenance Manual (960-504) 4-53...
  • Page 287: Display Latch

    2. Part the display latch assembly from the LED panel. M2.0x4.0B BIND LED panel Display latch assembly Figure 4-38 Removing the LED panel 3. Release the tabs and disassemble the display latch assembly. Spring Figure 4-39 Disassembling the display latch assembly 4-54 PORTEGE M300 Maintenance Manual (960-504)
  • Page 288 1. Set the spring to the display latch assembly. 2. Lock the tabs and assemble the display latch assembly. 3. Installing the display latch assembly and LED panel to the base assembly, secure them with the following screws . M2.0x4.0B BIND screw PORTEGE M300 Maintenance Manual (960-504) 4-55...
  • Page 289: Battery Lock/Battery Latch

    2. Lock the tabs to the battery latch and assemble the battery latch. 3. Set the spring to the battery lock. 4. Lock the tab to the battery lock and assemble the battery lock. 5. Cover the battery lock with the insulator. 4-56 PORTEGE M300 Maintenance Manual (960-504)
  • Page 290: Lcd Mask

    3. Release the latches on the LCD mask and remove the LCD mask while inserting your fingers between the LCD mask and LCD unit. Mask rubber M2.0x4.0S S-THIN FLAT BIND Mask seal M2.0x4.0S S-THIN FLAT BIND M2.0x4.0S S-THIN FLAT BIND Mask seal Figure 4-41 Removing the LCD mask PORTEGE M300 Maintenance Manual (960-504) 4-57...
  • Page 291 2. Secure the LCD mask with the following screws . M2.0x4.0S S-THIN FLAT BIND screw 3. Stick three mask rubbers to the LCD mask. 4. Stick four mask seals to the LCD mask. 4-58 PORTEGE M300 Maintenance Manual (960-504)
  • Page 292: Lcd Unit/Fl Inverter

    6. Remove the FL inverter from the LCD cover while peeling off the double-sided tape. CAUTION: The removed FL inverter is not reusable. Therefore when installing the FL inverter, it must be a new one. 7. Disconnect the LCD harness and HV cable from the FL inverter. PORTEGE M300 Maintenance Manual (960-504) 4-59...
  • Page 293 4.27 LCD unit/ FL inverter 4 Replacement Procedures M2.0x4.0B FLAT BIND GND cable Insulator 1 LCD unit Insulator 2 HV cable FL inverter LCD harness harness Copper tape Figure 4-42 Removing the LCD unit 4-60 PORTEGE M300 Maintenance Manual (960-504)
  • Page 294 S-THIN FLAT BIND screw CAUTION: GND cable is removed from LCD unit only when LCD unit must be replaced. LCD unit GND cable Washer Caulking side M1.4x2.0S S-THIN FLAT BIND Figure 4-43 Removing the GND cable PORTEGE M300 Maintenance Manual (960-504) 4-61...
  • Page 295 3. Place the LCD unit along the guide of LCD cover. 4. Secure the GND cable with the following screw. M2.0x4.0B FLAT BIND screw NOTE: Be sure to secure the GND cable with the caulking side upward. 4-62 PORTEGE M300 Maintenance Manual (960-504)
  • Page 296 LCD cover. (2) Make sure the harness is not stretched after connecting. harness Rib on the LCD cover 7. Bend the insulator in order (2? 1) and stick the insulator 1 on the FL inverter. PORTEGE M300 Maintenance Manual (960-504) 4-63...
  • Page 297: Lcd Harness

    2. After releasing the LCD harness holder from the hook, remove the LCD harness holder from the LCD cover. 3. Remove the LCD harness from the LCD cover. Hook M2.0x3.0S S-THIN FLAT BIND harness LCD harness holder Figure 4-44 Removing the LCD harness 4-64 PORTEGE M300 Maintenance Manual (960-504)
  • Page 298 2. Install the LCD harness holder while locking the hook portion and secure it with the following screw. M2.0x3.0S S-THIN FLAT BIND screw CAUTION: When installing the LCD harness holder, be careful not to catch the LCD harness in LCD harness holder. PORTEGE M300 Maintenance Manual (960-504) 4-65...
  • Page 299: Wireless Lan Antennas/Front Panel

    LCD cover by pulling it through the guide slit. Wireless LAN Bluetooth antenna Wireless LAN antenna (AUX) antenna (MAIN) Insulator Insulator Acetate tape Acetate tape Figure 4-45 Removing the wireless antennas 4-66 PORTEGE M300 Maintenance Manual (960-504)
  • Page 300 3. Passing bluetooth antenna through the guide slit, stick it on the LCD cover. 4. Fix wireless LAN antenna cables with two insulators on both sides. 5. Arrange the wireless antenna cables on the LCD cover and fix them with six acetate tapes. PORTEGE M300 Maintenance Manual (960-504) 4-67...
  • Page 301: Hinge

    To install the hinge, follow the steps below and refer to figures 4-47. 1. Install both sides of hinges ad secure them with following screws . M2.5x4.0S FLAT BIND screw CAUTION: When installing the hinges, be sure to apply Locktight-425 or Locktight-7400 to the screws. 4-68 PORTEGE M300 Maintenance Manual (960-504)
  • Page 302: Fluorescent Lamp

    - Make sure that the power of the LCD module is turned off before connecting or disconnecting cables and connectors. To replace the FL of 12.1-inch XGA LCD, follow the steps below and refer to figures 4-48 to 4- 4-68 PORTEGE M300 Maintenance Manual (960-504)
  • Page 303 (2) When peeling off the double-sided tape of insulation sheet, be careful not to give any damage to the TAB and PCB. (3) Insulation sheet can be reused. Tape on bezel side Insulation sheet (double-sided tape) Figure 4-48 Peeing off tapes and insulation sheet PORTEGE M300 Maintenance Manual (960-504) 4-69...
  • Page 304 2. Remove two screws from the both sides. CAUTION: When removing the screws, be sure to use a one Philips screwdriver with type 0 bit. Insulation sheet Screw Screw Figure 4-49 Removing the screws 4-70 PORTEGE M300 Maintenance Manual (960-504)
  • Page 305 Be careful not to deform the bezel. Upper latches (4 points) <double-sided tape in bezel> Side latches (2 points) Bottom latches (3 points) <double-sided tape in bezel> Side latches (2 points) Figure 4-50 Removing the bezel PORTEGE M300 Maintenance Manual (960-504) 4-71...
  • Page 306 CAUTION: When opening the bezel, be careful not to give any damage to the TAB. Figure 4-51 Opening the PCB Removing the cell with PCB 1. Remove the cell with PCB from the backlight unit. 4-72 PORTEGE M300 Maintenance Manual (960-504)
  • Page 307 CAUTION: (1) Peel off the cell slowly not to break it. (2) Be careful not to give any damage to the TAB. Cell with PCB Backlight unit Figure 4-52 Removing the cell with PCB PORTEGE M300 Maintenance Manual (960-504) 4-73...
  • Page 308 Check a new backlight unit for replacement 1. Refer to the following figure. Sheet must not be mounted. Sheet must not be come off. Sheet must not be come off. Figure 4-53 Checking the backlight for replacement 4-74 PORTEGE M300 Maintenance Manual (960-504)
  • Page 309 (2) Be careful not to give any damage to the FPC. Cell with PCB Fitting to Left corner Figure 4-54 Assembling the cell with PCB Bending TAB(PCB) 1. Bend the TAB (PCB) toward the back of the backlight unit. PORTEGE M300 Maintenance Manual (960-504) 4-75...
  • Page 310 4.31 Fluorescent lamp 4 Replacement Procedure CAUTION: Be careful not to give any damage to the TAB. TAB (PCB) Figure 4-55 Assembling the cell with PCB 4-76 PORTEGE M300 Maintenance Manual (960-504)
  • Page 311 CAUTION: Be careful not to give any damage to the TAB and backlight unit. Upper latches (4 points) <double-sided tape in bezel> Side latches (2 points) Upper latches (3 points) <double-sided tape in bezel> Side latches (2 points) Fitting left corner Figure 4-56 Assembling the bezel PORTEGE M300 Maintenance Manual (960-504) 4-77...
  • Page 312 CAUTION: Be careful not to give any damage to the PCB, cell, and backlight unit when sticking the insulation sheet. Screw Screw Stick the insulation sheet by fitting it to the edge of PCB. Figure 4-57 Fixing the screws and insulation sheet 4-78 PORTEGE M300 Maintenance Manual (960-504)
  • Page 313: Appendices

    Appendices...
  • Page 314 Appendices App-ii PORTEGE M300 Maintenance Manual (960-504)
  • Page 315 CN5044 USB Port0 & Port3 I/F connector (8-PIN)..........C-16 C.18 CN5043 USB Port5 I/F connector (4-PIN) ............C-16 C.19 CN5600 LCD connector (15-PIN)............... C-16 C.20 CN8812 Inverter I/F connector (9-PIN)..............C-17 C.21 CN5620 CRT I/F connector (15-PIN)..............C-17 PORTEGE M300 Maintenance Manual (960-504) App-iii...
  • Page 316 Wiring Diagrams ................... F-1 LAN Loopback Connector ..................F-1 RS-232C Cable (9-pin to 9-pin)................F-1 RS-232C Cable (9-pin to 25-pin)................F-2 Appendix G BIOS Rewrite Procedures ................G-1 Appendix H EC/KBC Rewrite Procedures ..............H-1 Appendix I Reliability......................I-1 App-iv PORTEGE M300 Maintenance Manual (960-504)
  • Page 317 Figure B-2 System board layout (back) ................B-3 Figure B-3 HDD FPC layout....................B-5 Figure E-1 Keyboard......................E-1 Figure F-1 LAN loopback connector ...................F-1 Figure F-2 RS-232C Cable (9-pin to 9-pin).................F-1 Figure F-3 RS-232C Cable (9-pin to 25-pin)...............F-2 PORTEGE M300 Maintenance Manual (960-504) App-v...
  • Page 318: Table

    Table C-19 LCD connector (15-PIN)................C-16 Table C-20 Inverter I/F connector (9-PIN)................. C-17 Table C-21 CRT I/F connector (15-PIN)................C-17 Table C-22 Internal microphone connector (2-PIN)............C-17 Table C-23 External microphone connector (5-PIN)............C-18 App-vi PORTEGE M300 Maintenance Manual (960-504)
  • Page 319 Table C-30 Docking port I/F connector (240-PIN) ............C-20 Table C-31 System board I/F connector (50-PIN) ............. C-24 Table C-32 HDD I/F connector (44-PIN) ................C-25 Table D-1 Display Codes ....................D-1 Table I-1 MTBF.........................I-1 PORTEGE M300 Maintenance Manual (960-504) App-vii...
  • Page 320 Appendices App-viii PORTEGE M300 Maintenance Manual (960-504)
  • Page 321: Appendix A Handling The Lcd Module

    LCD cover before securing the module with screws. Do not force the module into place, because stress can affect its performance. Also, the panel’s polarized surface is easily scarred, so be careful when handling it. PORTEGE M300 Maintenance Manual (960-504)
  • Page 322 Do not apply cleanser directly to the panel. 4. If water or other liquid is left on the panel’s surface for a long period, it can change the screen’s tint or stain it. Be sure to quickly wipe off any liquid. PORTEGE M300 Maintenance Manual (960-504)
  • Page 323 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. Be sure to wear a wrist or ankle ground when handling the module. PORTEGE M300 Maintenance Manual (960-504)
  • Page 324 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. 9. Do not disassemble the LCD module. Disassembly can cause malfunctions. PORTEGE M300 Maintenance Manual (960-504)
  • Page 325 Appendix A Handling the LCD Module 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. PORTEGE M300 Maintenance Manual (960-504)
  • Page 326 Appendix A Handling the LCD Module PORTEGE M300 Maintenance Manual (960-504)
  • Page 327: Appendix B Board Layout

    Appendix B Appendix B Board Layout System Board Front View <FNCSY*> Figure B-1 System board layout (front) PORTEGE M300 Maintenance Manual (960-504)
  • Page 328 Switch Membrane I/F connector CN5600 LCD I/F connector CN8812 Inverter I/F connector CN4100 LAN I/F connector CN3240 Pad I/F connector IC6000 South Bridge (ICH4-M) CN3400 Debugging Port I/F connector CN4400 Bluetooth I/F connector CN6180 Speaker connector PORTEGE M300 Maintenance Manual (960-504)
  • Page 329: System Board Back View

    Appendix B Board Layout B.2 System Board Back View <FNCSY*> System Board Back View <FNCSY*> Figure B-2 System board layout (back) PORTEGE M300 Maintenance Manual (960-504)
  • Page 330 Memory Module I/F connector CN3001 MDC Harness connector IC1200 North Bridge (Montara-GM+) J8810 Battery I/F connector CN8770 Fan connector IC1005 CN5620 CRT I/F connector CN4613 USB Port5 CN1800 HDD FPC I/F connector CN1820 ODD I/F connector PORTEGE M300 Maintenance Manual (960-504)
  • Page 331: Hdd Fpc View

    B.3 HDD FPC View <FNCHD*> HDD FPC View <FNCHD*> <Front layout> <Back layout> Figure B-3 HDD FPC layout Table B-3 HDD FPC connectors Mark Number Name CN9600 System board I/F connector CN9610 HDD I/F connector PORTEGE M300 Maintenance Manual (960-504)
  • Page 332 B.3 HDD FPC View <FNCHD*> Appendix B Board Layout PORTEGE M300 Maintenance Manual (960-504)
  • Page 333: Appendix C Pin Assignment

    SDQ07-B2P SDQ03-B2P SDQ09-B2P SDQ13-B2P 2R5-B2V 2R5-B2V SDQ08-B2P SDQ12-B2P SDQS1-B2P SDM01-B2P SDQ14-B2P SDQ15-B2P SDQ10-B2P SDQ11-B2P 2R5-B2V 2R5-B2V SCK3-B2P 2R5-B2V SCK3-B2N SDQ20-B2P SDQ17-B2P SDQ21-B2P SDQ16-B2P 2R5-B2V 2R5-B2V SDQS2-B2P SDM02-B2P SDQ18-B2P SDQ19-B2P SDQ23-B2P SDQ22-B2P SDQ29-B2P SDQ28-B2P 2R5-B2V 2R5-B2V PORTEGE M300 Maintenance Manual (960-504)
  • Page 334 SDQS8B -B2P SCB2B-B2P SCB3B-B2P 2R5-B2V 2R5-B2V SCB6B-B2P SCB7B-B2P 2R5-B2V 2R5-B2V 2R5-B2V 2R5-B2V SCKE3-B2P SCKE2-B2P SMA12-B2P SMA11-B2P SMA09-B2P SMA08-B2P SMA07-B2P SMA06-B2P SMAB05-B2P SMA04-B2P SMA03-B2P SMA02-B2P SMAB01-B2P SMA00-B2P 2R5-B2V 2R5-B2V SMA10-B2P SBS1-B2P SBS0-B2P SRAS-B2N SWE-B2N SCAS-B2N SCS2-B2N SCS3-B2N PORTEGE M300 Maintenance Manual (960-504)
  • Page 335 SDQ55-B2P SDM05-B2P SDQ46-B2P SDQ47-B2P SDQ43-B2P SDQ42-B2P 2R5-B2V 2R5-B2V 2R5-B2V SCK4-B2N SCK4-B2P SDQ52-B2P SDQ53-B2P SDQ49-B2P SDQ48-B2P 2R5-B2V 2R5-B2V SDQS6-B2P SDM06-B2P SDQ51-B2P SDQ55-B2P SDQ50-B2P SDQ54-B2P SDQ60-B2P SDQ61-B2P 2R5-B2V 2R5-B2V SDQ56-B2P SDQ57-B2P SDQS7-B2P SDM07-B2P SDQ52R-B2P SDQ62-B2P SDQ59R-B2P SDQ63-B2P PORTEGE M300 Maintenance Manual (960-504)
  • Page 336 C.1 CN144O Memory connector (200-PIN) Appendix C Pin Assignment Table C-1 Memory connector (200-PIN) (4/4) PIN No. Signal name PIN No. Signal name 2R5-B2V 2R5-B2V SMBDAT-P3P SMBCLK-P3P PORTEGE M300 Maintenance Manual (960-504)
  • Page 337: Cn1800 Hdd Fpc I/F Connector (50-Pin

    Signal name PIN No. Signal name IDRSTA-P5N PDD07-P3P PDD08-P3P PDD06-P3P PDD09-P3P PDD05-P3P PDD10-P3P PDD04-P3P PDD11-P3P PDD03-P3P PDD12-P3P PDD02-P3P PDD13-P3P PDD01-P3P PDD14-P3P PDD00-P3P PDD15-P3P PDDREQ-P3P PDIOW-P3N PDIOR-P3N PIORDY -P3P PDDACK-P3N IRQ14-P3P PDA1-P3P PAD0-P3P PDA2-P3P PDCS1-P3N PDCS3-P3N HDDLED-P5N PORTEGE M300 Maintenance Manual (960-504)
  • Page 338: Cn1820 Odd I/F Connector (50-Pin

    SDD10-P3P SDD05-P3P SDD11-P3P SDD04-P3P SDD12-P3P SDD03-P3P SDD13-P3P SDD02-P3P SDD14-P3P SDD01-P3P SDD15-P3P SDD00-P3P SDDREQ-P3P SDIOR-P3N SDIOW-P3N SIORDY -P3P SDDACK-P3N IRQ15-P3P N.C. SDA1-P3P N.C. SDA0-P3P SDA2-P3P SDCS1-P3N SDCS3-P3N (DASP) SB-P5V SB-P5V SB-P5V SB-P5V SB-P5V N.C. N.C. N.C. PORTEGE M300 Maintenance Manual (960-504)
  • Page 339: Is2110 Pc Card I/F Connector (68-Pin

    BCAD23-EYP BCAD24-EYP BCAD25-EYP BCAD26-EYP BCAD27-EYP BCAD29-EYP BCD02-EYP BCCLKR-EYN BCCD1-E3N BCAD02-EYP BCAD04-EYP BCAD06-EYP BCD14-EYP BCAD08-EYP BCAD10-EYP BCVS1-E3P BCAD13-EYP BCAD15-EYP BCAD16-EYP BCA18-EYP BCLOCK-EYN BCSTOP-EYN BCDEVS-EYN MCVCCB-EYV MCVPPB-EYV BCTRDY-EYN BCFRAM- BCAD17-EYP BCAD19-EYP BCVS2-E3P BCRST-EYN BCSERR-EYN BCREQ-EYN BCCBE3-EYN BCAUDI-EYP PORTEGE M300 Maintenance Manual (960-504)
  • Page 340: Table

    BCAD30-EYP BCAD31-EYP BCCD2-E3N C.5 IS2130 SD card I/F connector (12-PIN) Table C-5 SD card I/F connector (12-PIN) PIN No. Signal name PIN No. Signal name SDA T3-E3P SDCMD-E3P SD-E3V SDCLK-E3P SDAT0-E3P SDAT1-E3P SDAT2-E3P SDCD-E3N SDWP-E3P PORTEGE M300 Maintenance Manual (960-504)
  • Page 341: Is2140 Cf Card I/F Connector (50-Pin

    CFA05-EYP CFA04-EYP CFA03-EYP CFA02-EYP CFA01-EYP CFA00-EYP CFD00-EYP CFD01-EYP CFD02-EYP CFWP-EYP CFCD2-E3N CFCD1-E3N CFD11-EYP CFD12-EYP CFD13-EYP CFD14-EYP CFD15-EYP CFCE2-EYN CFVS1-E3P CFIORD-EYN CFIOWR-EYN CFWE-EYN CFRDY-EYP MCVCCA- CFA25-EYP CFVS2-E3N CFRST-EYP CFWAIT-EYN CFIPAC-EYN CFREG-EYN CFBVD2-EYP CFBVD1-EYP CFD08-EYP CFD09-EYP CFD10-EYP PORTEGE M300 Maintenance Manual (960-504)
  • Page 342: Cn2200 Wireless Lan Card I/F Connector (124-Pin

    N.C. PIRQA-P3N PIRQG-P3N N.C. N.C. X33MPC-P3P PCIRST-S3N PREQ2-P3N PGNT2 -S3N AD31-P3P PME-S3N AD29-P3P WCHCLK-P3P AD30-P3P AD27-P3P AD25-P3P AD28-P3P WCHDAT-P3P AD26-P3P CBE3-P3N AD24-P3P AD23-P3P AD21-P3P AD21-P3P AD22-P3P AD19-P3P AD20-P3P PAR-P3P AD17-P3P AD18-P3P CBE2-P3N AD16-P3P IRDY-P3N C-10 PORTEGE M300 Maintenance Manual (960-504)
  • Page 343 AD15-P3P AD13-P3P AD12-P3P AD11-P3P AD10-P3P AD09-P3P AD08-P3P CBE0-P3N AD07-P3P AD06-P3P AD05-P3P AD04-P3P N.C. AD02-P3P AD03-P3P AD00-P3P N.C. AD01-P3P N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. N.C. PORTEGE M300 Maintenance Manual (960-504) C-11...
  • Page 344: Cn3001 Modem Cable Connector (4-Pin

    Signal name PIN No. Signal name MDMTIP-E3P MDMTIP-E3P MDMRNG-E3P MDMRNG-E3P C.9 CN3000 MDC I/F connector (30-PIN) Table C-9 MDC I/F connector (30-PIN) PIN No. Signal name PIN No. Signal name M97SY2-P3P M97OT2-P3P M97RS2-S3N M97IN2-E3P X97BC2-P3P C-12 PORTEGE M300 Maintenance Manual (960-504)
  • Page 345: Cn3230 Keyboard I/F Connector (30-Pin

    KBSC10-S3N KBSC11-S3N KBRT04-S3N KBRT05-S3N KBSC12-S3N KBSC13-S3N KBRT06-S3N KBRT07-S3N KBSC14-S3N KBSC15-S3N C.11 CN3240 Pad I/F connector (8-PIN) Table C-11 Pad I/F connector (8-PIN) PIN No. Signal name PIN No. Signal name IPDDAT-P5P IPDCLK -P5P N.C. PORTEGE M300 Maintenance Manual (960-504) C-13...
  • Page 346: Cn3400 Debug Port Connector (4-Pin

    LAN-E3V C.14 CN3270 Switch membrane I/F connector (13-PIN) Table C-14 Switch membrane I/F connector (13-PIN) PIN No. Signal name PIN No. Signal name PNLOFF-S3N GPBTNB-S3N GPBTNA-S3N N.C. PWRSW-S3N N.C. N.C. N.C. N.C. ARWLED-S3P NUMLED-S3P C-14 PORTEGE M300 Maintenance Manual (960-504)
  • Page 347: Cn4200 Ieee1394 I/F Connector (4-Pin

    C.16 CN4400 Bluetooth I/F connector (20-PIN) Table C-16 Bluetooth I/F connector (20-PIN) PIN No. Signal name PIN No. Signal name N.C. BTMDL-P3N N.C. N.C. N.C. N.C. BTRST-S3N N.C. N.C. N.C. WCHCLK-P3P N.C. USBP4-S3P USBP4-S3N WCHDAT- N.C. BT-P3V PORTEGE M300 Maintenance Manual (960-504) C-15...
  • Page 348: Cn5044 Usb Port0 & Port3 I/F Connector (8-Pin

    PIN No. Signal name USB1PS-E5V USBP5-S3N USBP5-S3P C.19 CN5600 LCD connector (15-PIN) Table C-19 LCD connector (15-PIN) PIN No. Signal name PIN No. Signal name PNL-P3V PNL-P3V TXDTA0-PYP TXDTA0- TXCLKA- TXCLKA-PYN TXDTA1-PYP TXDTA1- TXDTA2-PYP TXDTA2-PYN C-16 PORTEGE M300 Maintenance Manual (960-504)
  • Page 349: Cn8812 Inverter I/F Connector (9-Pin

    PIN No. Signal name MRED-PXP MGREEN- MBLUE-PXP (DDC-P5V) CRTSDA-P5P MHSYNC-P3P MVSYNC- CRTSCL-P5P C.22 CN6050 Internal microphone connector (2-PIN) Table C-22 Internal microphone connector (2-PIN) PIN No. Signal name PIN No. Signal name (VREF1-P2V) A-GND PORTEGE M300 Maintenance Manual (960-504) C-17...
  • Page 350: J6051 External Microphone Connector (5-Pin

    Signal name PIN No. Signal name PVBL1 BTMP1 (DCHG) PSCL-S5P PSDA-S5P DBT10V-S5N C.26 CN6180 Speaker connector (4-PIN) Table C-26 Speaker connector (4-PIN) PIN No. Signal name PIN No. Signal name SPOTL-PXN SPOTL-PXP SPOTR-PXP SPOTR-PXN C-18 PORTEGE M300 Maintenance Manual (960-504)
  • Page 351: J6310 Headphone Connector (5-Pin

    Table C-28 RTC battery connector (3-PIN) PIN No. Signal name PIN No. Signal name (Vbat) C.29 CN8770 Fan connector (3-PIN) Table C-29 Fan connector (3-PIN) PIN No. Signal name PIN No. Signal name FAN VCC FANG-P3P PORTEGE M300 Maintenance Manual (960-504) C-19...
  • Page 352: Cn2300 Docking Port I/F Connector (240-Pin

    (DVI_PRTCT2) (DVI_PRTCT1) (DVITX2-P3P) (DVITX2-P3N) (DVITX1-P3P) (DVITX1-P3N) (DVITX0-P3P) (DVITX0-P3N) (DVITXC-P3P) (DVITXC-P3N) (DVIDET-S3N) (DVIPD0) N.C. (QSWON-B3P) (DIRQD-S3N) (PCM2SP- B3P) (DPMRST- (DAD00-P3P) S3N) (DAD00-P3P) (DAD02-P3P) (DAD06-P3P) (XDPCI-P3P) (DAD09-P3P) (DAD11-P3P) (DAD11-P3P) (DAD15-P3P) (DINTA -P3N) RESERVED RESERVED BIDDP-EXP BIDDN-EXN C-20 PORTEGE M300 Maintenance Manual (960-504)
  • Page 353 DHSYNC-P3P (DVISDA -P3P) (DVI_PRTCT3 (DVITX5-P3P) (DVITX5-P3N) (DVITX4-P3P) (DVITX4-P3N) (DVITX3-P3P) (DVITX3-P3N) DVI16 DVI17 (DOC_ON_LE N.C. (DOC_ON_LE (DVIPD1) DVI_PRTCT4 (DCADIO-S3P) (DSMI-B3P) (DCKRUN- P3N) (PME-S3P) (DAD01-P3P) (DAD03-P3P) (DAD05-P3P) (DAD07-P3P) (DAD08-P3P) (DAD10-P3P) (DAD10-P3P) (DAD14-P3P) (DCBE1-P3N) (DPAR-P3P) Reserved Reserved PORTEGE M300 Maintenance Manual (960-504) C-21...
  • Page 354 DINR-PXN PWRSW-S3N DCD-PYP DSR-PYP TXD-EYN RING-PYP PE-P5P PDB07-P5P PDB06-P5P PDB04-P5P PDB01-P5P PDB02-P5P PDB00-P5P STROB-P5N (DPGNT-P3N) (DAD30-P3P) (DAD28-P3P) (DAD26-P3P) (DAD24-P3P) (DIDSL-P3P) (DAD22-P3P) (DAD20-P3P) (DCBE0-P3N) (DAD18-P3P) (DAD16-P3P) (DCBE2-P3N) (DTRDY -P3N) (DSTOP-P3N) Reserved LAN-E3V Reserved Reserved N.C. C-22 PORTEGE M300 Maintenance Manual (960-504)
  • Page 355 SELCT-P5P BUSY-P5P ACK-P5N PDB05-P5P PDB03-P5P SLIN-P5N PINIT-P5N ERROR-P5N AUTFD-P5N (DPREQ-P3N) (DAD31-P3P) (DAD29-P3P) (DAD27-P3P) (DAD25-P3P) (DCBE23- P3N) (DAD23-P3P) (DAD21-P3P) (DCPCLR- P3P) (DAD19-P3P) (DAD17-P3P) (DFRAME- P3N) (DIRDY-P3N) (DDEVSL- P3N) ACT-E3N LINK-E3N DOCDT2-S3N Reserved Reserved BIDBP-EXP BIDBN-EXN PORTEGE M300 Maintenance Manual (960-504) C-23...
  • Page 356: Cn9600 System Board I/F Connector (50-Pin

    PIN No. Signal name IDRSTA-P5N PDD07-P3P PDD08-P3P PDD06-P3P PDD09-P3P PDD05-P3P PDD10-P3P PDD04-P3P PDD11-P3P PDD03-P3P PDD12-P3P PDD02-P3P PDD13-P3P PDD01-P3P PDD14-P3P PDD00-P3P PDD15-P3P PDDREQ-P3P PDIOW-P3N PDIOR-P3N PIORDY -P3P PDDACK-P3N IRQ14-P3P PDA1-P3P PDA0-P3P PDA2-P3P PDCS1-P3N PDCS3-P3N DASP-P5N C-24 PORTEGE M300 Maintenance Manual (960-504)
  • Page 357: Cn9610 Hdd I/F Connector (44-Pin

    Signal name IDRSTA-P5N PDD07-P3P PDD08-P3P PDD06-P3P PDD09-P3P PDD05-P3P PDD10-P3P PDD04-P3P PDD11-P3P PDD03-P3P PDD12-P3P PDD02-P3P PDD13-P3P PDD01-P3P PDD14-P3P PDD00-P3P PDD15-P3P Reserved PDDREQ-P3P PDIOW-P3N PDIOR-P3N PDIORDY-P3P PDDACK-P3N IRQ14-P3P (IOCS16#) PDA1-P3P (PDIAG#) PDA0-P3P PDA2-P3P PDCS1-P3N PDCS3-P3N DASP-P5N N.C. PORTEGE M300 Maintenance Manual (960-504) C-25...
  • Page 358 C.32 CN9610 HDD I/F connector (44-PIN) Appendix C Pin Assignment C-26 PORTEGE M300 Maintenance Manual (960-504)
  • Page 359 Keyboard Scan/Character Codes Appendix D Keyboard Scan/Character Codes Table D-1 Scan codes (set 1 and set 2) (1/4) Code set 1 Code set 2 Keytop Note Make Break Make Break ‘ ~ 7 & BkSp PORTEGE M300 Maintenance Manual (960-504)
  • Page 360 Table D-1 Scan codes (set 1 and set 2) (2/4) Code set 1 Code set 2 Keytop Note Make Break Make Break Caps Lock ‘ “ Enter Shift (L) No.102 , < . > Shift (R) PORTEGE M300 Maintenance Manual (960-504)
  • Page 361 Appendix. D Keyboard Scan/Character Codes Table D-1 Scan codes (set 1 and set 2) (3/4) Code set 1 Code set 2 Keytop Note Make Break Make Break Ctrl Alt (L) Space ALT (R) Home PgUp PgDn PORTEGE M300 Maintenance Manual (960-504)
  • Page 362 *4 Fn key does not generate a code by itself. *5 This key corresponds to key No. 42 in a 102-key model. *6 Refer to Table D-6, No. 124 key scan code. *7 Refer to Table D-7, No. 126 key scan code. PORTEGE M300 Maintenance Manual (960-504)
  • Page 363 Shift key, scan codes are changed as listed below: With left Shift With right Shift Set 1 E0 AA ___________E0 B6 E0 2A ____________E0 36 Set 2 E0 F0 12 _________E0 F0 59 E0 12 ____________E0 59 PORTEGE M300 Maintenance Manual (960-504)
  • Page 364 Code set 1 Code set 2 Make Break Make Break Home PgUp PgDn Table D-4 Scan codes with Fn key Code set 1 Code set 2 Keytop Make Break Make Break CTRL LALT ARROW NUMERIC Scrl PORTEGE M300 Maintenance Manual (960-504)
  • Page 365 Code set 2 Keytop Make Break Make Break (–) Table D-6 No.124 key scan code Code set 1 Code set 2 Shift Make Break Make Break Prt Sc Common Ctrl ? Shift ? Alt ? PORTEGE M300 Maintenance Manual (960-504)
  • Page 366 Appendix. D Keyboard Scan/Character Codes Table D-7 No.126 key scan code Code set 1 Code set 2 Shift Make Make Pause Common* E1 1D E1 F0 Ctrl* E0 46 E0 F0 *: This key generates only make codes. PORTEGE M300 Maintenance Manual (960-504)
  • Page 367: Appendix E Key Layout

    Appendix E Appendix E Key Layout Figure E-1 key layout (US) Figure E-2 key layout (UK) PORTEGE M300 Maintenance Manual (960-504)
  • Page 368 Appendix E Key Layout PORTEGE M300 Maintenance Manual (960-504)
  • Page 369 Appendix E Appendix E Key Layout Figure E-1 key layout (US) Figure E-2 key layout (UK) PORTEGE M300 Maintenance Manual (960-504)
  • Page 370 Appendix E Key Layout PORTEGE M300 Maintenance Manual (960-504)
  • Page 371: Appendix F Wiring Diagrams

    Appendix F Appendix F Wiring Diagrams F.1 LAN Loopback Connector Figure F-1 LAN loopback Connector F.2 RS-232C Cable (9-pin to 9-pin) Figure F-2 RS232C cable (9-pin to 9-pin) PORTEGE M300 Maintenance Manual (960-504)
  • Page 372: Rs-232C Cable (9-Pin To 25-Pin

    F.3 RS-232C Cable (9-pin to 25-pin) Appendix F Wiring Diagrams F.3 RS-232C Cable (9-pin to 25-pin) Figure F-3 RS232C cable (9-pin to 25-pin) PORTEGE M300 Maintenance Manual (960-504)
  • Page 373: Appendix Gbios Rewrite Procedures

    5. Turn on the power while holding down the key (US) or key (UK). The BIOS rewriting starts. 6. When the process is completed, eject the BIOS rewriting disk and the system is reset. The PORTEGE M300 Maintenance Manual (960-504)
  • Page 374 Appendix G BIOS Rewrite Procedures PORTEGE M300 Maintenance Manual (960-504)
  • Page 375 5. Turn on the power while holding down the key (US) or key (UK). The BIOS rewriting starts. 6. When the process is completed, eject the BIOS rewriting disk and the system is reset. The PORTEGE M300 Maintenance Manual (960-504)
  • Page 376 Appendix G BIOS Rewrite Procedures PORTEGE M300 Maintenance Manual (960-504)
  • Page 377: Appendix Hec/Kbc Rewrite Procedures

    4. Connect a USB FDD and insert the EC/KBC rewriting disk into the USB FDD. 5. Turn on the power while holding down the Tab key. The EC/KBC rewriting starts. 6. When the EC/KBC rewrite is completed, the system is automatically turned off. PORTEGE M300 Maintenance Manual (960-504)
  • Page 378 Appendix H EC/KBC Rewrite Procedures PORTEGE M300 Maintenance Manual (960-504)
  • Page 379: Appendix I Reliability

    Appendix I Appendix I Reliability The following table shows MTBF (Mean Time between Failures). Table I-1 MTBF MTBF Time (hours) System 5,228 PORTEGE M300 Maintenance Manual (960-504)
  • Page 380 Appendix I Reliability PORTEGE M300 Maintenance Manual (960-504)

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