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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.
Toshiba TRR
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.
Page 7
4/00, Tecra
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Summary of Contents for Toshiba Tecra 780CDM
- Page 1 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).
- Page 2 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. Turn off the power to the computer. Disconnect the AC adapter and all external cables connected to the computer.
- Page 3 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) You can use the SelectBay cover when you do not need to use a SelectBay module. 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.
- Page 4 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To assemble the FDD, follow the steps below. Seat the FDD in the bracket and secure the bracket with four M2x3 silver screws. Tighten screws to a torque of less than 2.2 kgfcm.
- Page 5 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) Disassembling the HDD Pack, continued. Remove four M2.5x6 silver screws from HDD pack. Remove four M3x4 flat-head screws and the HDD frame. Remove the flexible cable. CAUTION: Do not try to disconnect by pulling on the flexible cable.
- Page 6 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To install the HDD pack, follow the steps below. Align the HDD pack with the marker on the computer and seat the HDD so that tabs on the HDD fit into notches on the computer.
- Page 7 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) Opening the palmrest, continued. Remove four M2x6 screws securing the modem board (or the dummy cover) and lift it out. To install a modem board, follow the steps below. Connect the modem board to the corresponding connector in the computer.
- Page 8 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To remove the keyboard, follow the steps below. Turn off the power to the computer. Disconnect the AC adapter and all external cables connected to the computer. Remove the battery pack, optional PC...
- Page 9 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) Removing the top cover with display assembly, continued. Turn the computer right side up and open the display panel. Slightly lift up the LCD cable cover and pull it forward to remove it, then remove the plastic lens.
- Page 10 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To remove the speakers, follow the steps below. Turn off the power to the computer. Disconnect the AC adapter and all external cables connected to the computer. Remove the battery pack, optional PC...
- Page 11 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To remove the fan, follow the steps below. Turn off the power to the computer. Disconnect the AC adapter and all external cables connected to the computer. Remove the battery pack, optional PC...
- Page 12 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To install the middle frame, follow the steps below. Make sure the SelectBay release lever is extended and the SelectBay lock is in the locked position. Seat the middle frame and make sure a small tongue on the middle frame’s...
- Page 13 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To remove the display mask, follow the steps below. Turn off the power to the computer. Disconnect the AC adapter and all external cables connected to the computer. Remove the battery pack. Remove two rubber seals at the bottom corners of the display assembly.
- Page 14 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) NOTE: Be careful not to apply pressure to the ICs along the edge of the LCD module. The ICs are easily damaged. To remove the LCD module, follow the steps below. Turn off the power to the computer.
- Page 15 Tecra 780CDM / 780DVD Disassembly Overview, (cont.) CAUTION: When you remove the FL, be careful not to let any dust or other foreign matter contaminate the LCD panel. Any contamination can affect the performance of the unit. To remove the FL, follow the steps below.