Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA Laptop Portege_M200 part2

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            Portege M200 Part2




Chapter 2
Troubleshooting Procedures
2 Troubleshooting Procedures

2




2-ii                           Portege M200 Maintenance Manual (960-457)
                                                                                       2 Troubleshooting Procedures


Chapter 2                  Contents

2.1    Troubleshooting ......................................................................................................... 2-1
2.2    Troubleshooting Flowchart........................................................................................ 2-2
2.3    Power Supply Troubleshooting.................................................................................. 2-6
            Procedure 1                Power Supply Icon Check...................................................... 2-7
            Procedure 2                Error Code Check .................................................................. 2-9
            Procedure 3                Connection Check................................................................ 2-15
            Procedure 4                Quick Charge Check ............................................................ 2-15
            Procedure 5                Replacement Check ............................................................. 2-16
2.4    System Board Troubleshooting................................................................................ 2-17
            Procedure 1                Message Check .................................................................... 2-18
            Procedure 2                Debug Port (D port) Check on Boot Mode.......................... 2-20
            Procedure 3                Diagnostic Test Program Execution Check ......................... 2-30
            Procedure 4                Replacement Check ............................................................. 2-30
2.5    USB 3.5" FDD Troubleshooting.............................................................................. 2-31
            Procedure 1                FDD Head Cleaning Check ................................................. 2-31
            Procedure 2                Diagnostic Test Program Execution Check ......................... 2-32
            Procedure 3                Connector Check and Replacement Check.......................... 2-33
2.6    2.5" HDD Troubleshooting...................................................................................... 2-34
            Procedure 1                Partition Check..................................................................... 2-34
            Procedure 2                Message Check .................................................................... 2-35
            Procedure 3                Format Check....................................................................... 2-36
            Procedure 4                Diagnostic Test Program Execution Check ......................... 2-37
            Procedure 5                Connector Check and Replacement Check.......................... 2-38
2.7    Keyboard Troubleshooting ...................................................................................... 2-39
            Procedure 1                Diagnostic Test Program Execution Check ......................... 2-39
            Procedure 2                Connector Check and Replacement Check.......................... 2-39




Portege M200 Maintenance Manual (960-457)                                                                                     2-iii
2 Troubleshooting Procedures


2.8    Display Troubleshooting.......................................................................................... 2-40
            Procedure 1              Diagnostic Test Program Execution Check ......................... 2-40
            Procedure 2              Connector and Cable Check................................................. 2-40
            Procedure 3              Fuse connection check ......................................................... 2-40
            Procedure 4              Replacement Check ............................................................. 2-41
2.9    Touch Pad Troubleshooting..................................................................................... 2-42
            Procedure 1              Diagnostic Test Program Execution Check ......................... 2-42
            Procedure 2              Connector Check and Replacement Check.......................... 2-42
            Procedure 3              Replacement Check ............................................................. 2-42
2.10   Modem Troubleshooting.......................................................................................... 2-43
            Procedure 1              Diagnostic Test Program Execution Check ......................... 2-43
            Procedure 2              Connector Check and Replacement Check.......................... 2-43
2.11   LAN Troubleshooting.............................................................................................. 2-44
            Procedure 1              Diagnostic Test Program Execution Check ......................... 2-44
            Procedure 2              Connector Check and Replacement Check.......................... 2-44
2.12   Sound Troubleshooting............................................................................................ 2-45
            Procedure 1              Diagnostic Test Program Execution Check ......................... 2-45
            Procedure 2              Connector Check.................................................................. 2-45
            Procedure 3              Replacement Check ............................................................. 2-46
2.13   SD Card Slot Troubleshooting................................................................................. 2-47
            Procedure 1              Check on Windows XP Tablet PC Edition .......................... 2-47
            Procedure 2              Connector/ Replacement Check........................................... 2-47
2.14   Tablet Pen Troubleshooting..................................................................................... 2-48
            Procedure 1              Check on Windows XP Tablet PC Edition .......................... 2-48
            Procedure 2              Replacement Check ............................................................. 2-48
            Procedure 3              Connector/ Replacement Check........................................... 2-49
2.15   Wireless LAN Troubleshooting............................................................................... 2-50
            Procedure 1              Trancemitting-Receiving Check .......................................... 2-50
            Procedure 2              Antennas' Connection Check .............................................. 2-51
            Procedure 3              Antenna Check..................................................................... 2-52
            Procedure 4              Replacement Check ............................................................. 2-53
2.17   Bluetooth Troubleshooting ...................................................................................... 2-54



2-iv                                                                   Portege M200 Maintenance Manual (960-457)
                                                                                      2 Troubleshooting Procedures


             Procedure 1              Trancemitting-Receiving Check .......................................... 2-54
             Procedure 2              Antennas' Connection Check .............................................. 2-55
             Procedure 3              Antenna Check..................................................................... 2-56
             Procedure 4              Replacement Check ............................................................. 2-56


Figures

Figure 2-1      Troubleshooting flowchart............................................................................. 2-3
Figure 2-2      A set of tool for debug port test ................................................................... 2-20
Figure 2-3      Antenna Test jig........................................................................................... 2-52
Figure 2-4      Antenna Test cable....................................................................................... 2-56


Tables

Table 2-1       Battery icon.................................................................................................... 2-7
Table 2-2       DC IN icon..................................................................................................... 2-7
Table 2-3       D port status ................................................................................................. 2-22
Table 2-4       FDD error code and status ........................................................................... 2-32
Table 2-5       2.5" HDD error code and status ................................................................... 2-37




Portege M200 Maintenance Manual (960-457)                                                                                       2-v
2 Troubleshooting Procedures




2-vi                           Portege M200 Maintenance Manual (960-457)
2.1 Troubleshooting                                                            2 Troubleshooting

2


2.1        Troubleshooting

Chapter 2 describes how to determine which Field Replaceable Unit (FRU) in the computer is
causing the computer to malfunction. (The "FRU" means the replaceable unit in the field.)
The FRUs covered are:

      1.   Power supply                  9. LAN
      2.   System Board                  10. Sound
      3.   3.5" USB FDD                  11. SD card slot
      4.   2.5" HDD                      13. Tablet pen
      5.   Keyboard                      14. Wireless LAN
      6.   Display                       15. Bluetooth
      7.   Touch pad
      8.   Modem

The Detailed replacement procedures are given in Chapter 4. Test Program operations are
described in Chapter 3.

The following tools are necessary for implementing the Diagnostics procedures:
   1. Diagnostics Disk (Test program for maintenance)
   2. Phillips screwdrivers
    NOTE: Be sure to use the PH point size "0" screwdriver complying with the ISO/DIS
    8764-1:1996. Use, however, the PH point size "1" screwdriver for screws fixing the
    expansion memory slot cover and the keyboard.

      3.  Screwdriver for LH sticks
      4.  Toshiba MS-DOS system FD
      5.  Work disk (for FDD testing)
      6.  Cleaning disk kit (for FDD head cleaning)
      7.  A set of tools for debug port test (test cable, test board, RS-232C cross cable, display,
          D port FD)
      8. PC with a serial port (for displaying debug port test result)
      9. Wraparound connector for PC card
      10. Tester
      11. External CRT
      12. External USB Keyboard
      13. External USB mouse
      14. Headphone
      15. Microphone
      16. RJ-11 connector checker LED
      17. LAN wraparound connector
      18. PC (for infrared communication test and wireless LAN test)




Portege M200 Maintenance Manual (960-457)                                                       2-1
2 Troubleshooting Procedures                               2.2 Troubleshooting Flowchart


2.2    Troubleshooting Flowchart

Use the flowchart in Figure 2-1 as a guide for determining which FRU malfunctions. Before
going through the flowchart steps, check the following:

       Make sure that Toshiba Windows



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