Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA Laptop TECRA 780 SERIES

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TECRA 780 SERIES


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Tecra 780CDM / 780DVD Disassembly Overview


  The information offered in this section is an overview of the Maintenance Manual, Chapter 4, Replacement
  Procedures. If you have any questions or concerns regarding the proper procedure please refer to the Mainte-
  nance Manual through the Toshiba Service and Support Website before you proceed.



                                                                    This section explains how to remove Field
                                                                    Replaceable Units (FRUs). It may not be neces-
                                                                    sary to remove all the FRUs in order to replace
                                                                    one.

                                                                    The chart is a guide to which FRUs need to be
                                                                    removed in order to remove others. The section
                                                                    numbers on the chart refer to the sections in the
                                                                    Maintenance Manual, Chapter 4.

                                                                    Always start by removing the battery pack, next,
                                                                    optional items such as the optional PC card and
                                                                    optional memory module, then follow the line on
                                                                    the chart to determine which FRU you must
                                                                    remove next in order to repair the one you think is
                                                                    causing the computer to operate improperly.

                                                                    To remove the battery pack, follow the steps
                                                                    below.

                                                                      CAUTION: When handling battery packs, be
                                                                      careful not to short circuit the terminals. Also
                                                                      do not drop, hit or otherwise apply impact; do
                                                                      not scratch or break the casing; and do not
                                                                      twist or bend the battery pack.
                                                                         1.   Turn off the power to the computer.
                                                                              Disconnect the AC adapter and all
                                                                              external cables connected to the
                                                                              computer.
                                                                         2.   Turn the computer upside down with the
                                                                              front facing you and push the battery
                                                                              lock up to unlock it. A red dot shows
                                                                              when the lock is in the unlock position.
                                                                         3.   Pull out the battery release lever and
                                                                              slide it to the left to pop the battery up
                                                                              slightly.
                                                                         4.   Grasp the battery pack and lift it out.
                                                                    To install the battery pack, follow the steps below.

                                                                      WARNING: The battery pack is a lithium ion
                                                                      battery which can explode if not replaced,
                                                                      used, handled or disposed of properly.
                                                                      Dispose of the battery as required by local
                                                                      ordinances or regulations. Use only batteries
                                                                      recommended by Toshiba as replacements.
                                                                      NOTE: Check the battery terminals visually.
                                                                      If they are dirty, wipe them clean with a dry
                                                                      cloth.
                                                                         1.   Turn off the power to the computer.
                                                                              Disconnect the AC adapter and all
                                                                              external cables connected to the
                                                                              computer.
                                                                         2.   Make sure the battery release lever is
                                                                              pulled out then carefully insert the new
                                                                              or recharged battery pack.
                                                                         3.   Place your fingers just above two pins
                                                                              on the battery pack that fit into the
                                                                              locking mechanisms in the battery
                                                                              socket. Push the battery pack down
                                                                              carefully until it locks into place.
                                                                         4.   Push the battery lock down to secure it.
                                                                              The red dot will be covered.

Toshiba TRR                                           Page 7                                                4/00, Tecra
Tecra 780CDM / 780DVD Disassembly Overview, (cont.)


                                                       To remove the optional PC card, make sure the
                                                       computer is in boot mode, then follow the steps
                                                       below.
                                                           1. Turn off the power to the computer.
                                                               Disconnect the AC adapter and all
                                                               external cables connected to the
                                                               computer.
                                                           2. Remove the battery pack.
                                                           3. Open or remove the PC card slot cover.
                                                           4. Press in slightly on the eject button for
                                                               the upper and/or lower card and the
                                                               button will pop out fully.
                                                           5. Now, press the button firmly to pop the
                                                               PC card out partially.
                                                           6. Grasp the PC card and remove it.
                                                           7. Close or replace the PC card slot cover.




                                                       To install the PC card, follow the steps below.
                                                            1. Open or remove the PC card slot cover.
                                                            2. Insert the PC card and press gently to
                                                                 ensure a firm connection.
                                                            3. Close the slot cover or replace the
                                                                 cover with an appropriate one.
                                                            4. Install the battery pack.




                                                       To remove the SelectBay module, follow the
                                                       steps below.
                                                           1. Turn off the power to the computer.
                                                                Disconnect the AC adapter and all
                                                                external cables connected to the
                                                                computer.
                                                           2. Remove the battery pack.
                                                           3. Turn the computer upside down and
                                                                slide the SelectBay lock to the unlock
                                                                position, shown by a red box.
                                                           4. Pull out the release lever.
                                                           5. Push the release lever in firmly to pop
                                                                the SelectBay module partially out of
                                                                the bay.
                                                           6. Grasp the module and pull it out.

                                                         CAUTION: The SelectBay modules can
                                                         become hot with use.
                                                         Be careful when removing the module.




                                                       Install the SelectBay modules as described
                                                       below.
                                                            1. Insert the module in the computer and
                                                                 press until it locks into place.
                                                            2. Fold the release lever into the closed
                                                                 position.
                                                            3. Slide the SelectBay lock to the locked
                                                                 position. The red box should not be
                                                                 visible.
                                                            4. Install the battery pack.




Toshiba TRR                                   Page 8                                       4/00, Tecra
Tecra 780CDM / 780DVD Disassembly Overview, (cont.)


                                                         You can use the SelectBay cover when you do
                                                         not need to use a SelectBay module.
                                                              1. To install the cover, first remove the
                                                                 SelectBay module then hold the cover
                                                                 by the two finger grips and push it into
                                                                 place until you hear the latches click.
                                                              2. To remove the cover, grasp the two
                                                                 finger grips and pull the cover out.




                                                         To disassemble the DVD-ROM drive, follow the
                                                         steps below.
                                                             1. Remove six M2x3 silver screws and
                                                                  two M2.5x6 silver screws securing the
                                                                  frame to the DVD-ROM drive.
                                                             2. Remove the connector cover.
                                                             3. Remove the metal frame, connector
                                                                  board, and disconnect the flexible
                                                                  cable.

                                     



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