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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 guid
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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 ou
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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
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To assemble the FDD, follow the steps below. 1. 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. 2. Insert the flexible cable into the connector. Press gently to assure a firm connection. 3. Seat the FDD in the lower plastic frame and set the upper shield cover in place. 4. Seat the flexible cable connector into the lower plastic frame. 5. Set the upper plastic
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) Disassembling the HDD Pack, continued. 3. Remove four M2.5x6 silver screws from HDD pack. 4. Remove four M3x4 flat-head screws and the HDD frame. 5. Remove the flexible cable. CAUTION: Do not try to disconnect by pulling on the flexible cable. CAUTION: Do not apply pressure to the top or bottom of the HDD. í è To assemble the HDD pack, follow the steps below. 1. Connect the flexible cable connector to the HDD. 2. Seat the HDD frame on the HDD a
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To install the HDD pack, follow the steps below. 1. 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. 2. Make sure the cover is pushed fully to the right and push the HDD back to ensure a firm connection. 3. Slide the cover to the left to lock the HDD into the slot. 4. Install the battery pack. To remove the memory module(s), make sure the computer is in boot mode and f
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) Opening the palmrest, continued. 7. 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. 1. Connect the modem board to the corresponding connector in the computer. NOTE: Be sure a plastic insulator tab lies on top of the green backup battery, when you seat the modem board. 2. Make sure holes in the modem casing are aligned with screw holes on the computer, then
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To remove the keyboard, 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, optional PC card, HDD pack, optional memory module, modem board and backup and RTC batteries. 3. Peel off the tape placed on the folded end of the keyboard flexible cable. 4. Disconnect the flexible cable from PJ580 on the system board. 5. Lift up the fron
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) Removing the top cover with display assembly, continued. 6. Turn the computer right side up and open the display panel. 7. Slightly lift up the LCD cable cover and pull it forward to remove it, then remove the plastic lens. 8. Remove the tape off the LCD cables. 9. Remove one M2x6 screw securing the ground cable. 10. Disconnect the LCD cable, FL inverter cable, speaker cable and microphone cable. 11. Remove six M2x6 screws, one M2x8 screw and t
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To remove the speakers, 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, optional PC card, HDD pack, optional memory module, modem board, backup and RTC batteries, keyboard, membrane switch and top cover with display assembly. 3. Lay the display down. Partially lift the insulator covering the speaker cables. 4. Remove four M2x
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To remove the fan, 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, optional PC card, HDD pack, optional memory module, modem board, backup and RTC batteries, keyboard, membrane switch, top cover with display assembly, and system board. 3. Turn the system board upside down and remove tape securing the fan cable. 4. Disconnect t
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To install the middle frame, follow the steps below. 1. Make sure the SelectBay release lever is extended and the SelectBay lock is in the locked position. 2. Seat the middle frame and make sure a small tongue on the middle frame’s SelectBay locking mechanism fits into a corresponding notch on the external SelectBay lock. 3. First secure one M2.5x8 screw next to the SelectBay lock arm, then secure the other M2.5x8 screw. 4. Place the CONN holde
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Tecra 780CDM / 780DVD Disassembly Overview, (cont.) To remove the display mask, 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. Remove two rubber seals at the bottom corners of the display assembly. 4. Remove two M2.5x6 screws that were covered by the rubber seals. NOTE: Support the display with your hand when you remove the screws. 5. Using the fingers of both hands, í care
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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. 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, display mask and FL inverter board as described in Sections 4.2, 4.19 and 4.20. 3. Remove four M2.5x8 screws securing the LCD module to the d
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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. 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, optional PC card, HDD pack, optional memory module, modem board, backup and RTC batteri
