Assessments - 2, GPA: 4
(
)
)
|
Facilidade de uso
Removing the rear cover screws 5–6 Maintenance and Service Guide Removal and Replacement Procedures 6. Lift the front edge of the rear cover up 1 until it disengages from the base enclosure. 7. Slide the rear cover toward you 2 and remove it. Removing the rear cover Maintenance and Service Guide 5–7 Removal and Replacement Procedures 8. Disconnect the following cables from the system board: 1 4-wire cable 2 2-wire RJ-11 modem cable 3 50-pin cable 4 6-wire cable 5 4-wire power cable Disconnecting the cables from the system board 5–8 Maintenance and Service Guide Removal and Replacement Procedures 9. Remove the two PM2.0.4.0 screws 1 that secure the upper chassis to the base enclosure. 10. Swing the top edge of the upper chassis upward 2 to disengage it from the base enclosure. 11. Lift the upper chassis straight up 3 and remove it. Removing the upper chassis Reverse the above procedure to install the upper chassis. Maintenance and Service Guide 5–9 Removal and Replacement Procedures 5.6 Power Supply Spare Part Number Information Power supply 347438-001 1. Prepare the Expansion Base for disassembly (Section 5.3). 2. Remove the base plate (Section 5.4). 3. Remove the upper chassis (Section 5.5). 4. Turn the base enclosure upside down with the front facing you. 5. While holding the power supply in place with one hand underneath, remove the five PM2.0.6.0 screws that secure the power supply to the base enclosure. Removing the power supply screws 5–10 Maintenance and Service Guide Removal and Replacement Procedures 6. Turn the base enclosure right-side up with the rear facing you. 7. On the base enclosure, disconnect the power supply cable 1 from the system board. 8. Lift the power supply and shield approximately one inch 2. 9. While holding the power supply and shield, remove the power connector 3 from the supports in the base enclosure. Removing the power supply Reverse the above procedure to install the power supply. Maintenance and Service Guide 5–11 Removal and Replacement Procedures 5.7 System Board Spare Part Number Information System board 347437-001 1. Prepare the Expansion Base for disassembly (Section 5.3). 2. Remove the base plate (Section 5.4). 3. Remove the upper chassis (Section 5.5). 4. Remove the power supply (Section 5.6). 5. Position the base enclosure with the rear panel facing you. 6. Remove the three PM2.0.6.0 screws 1 that secure the system board to the base enclosure. 7. Use a 5.0-mm hex socket to remove the two HM5.0x9.0 standoffs 2 on either side of the serial connector. Removing the system board screws and standoffs 5–12 Maintenance and Service Guide Removal and Replacement Procedures 8. Swing the top left edge of the system board clockwise 1 until the audio connector 2 disengages from the hole 3 in the base enclosure. 9. Remove the system board from the base enclosure 4. Removing the system board Reverse the above procedure to install the system board. Maintenance and Service Guide 5–13 Removal and Replacement Procedures 5.8 Front Tray Cover Spare Part Number Information Front tray cover 347432-001 1. Prepare the Expansion Base for disassembly (Section 5.3). 2. Remove the base plate (Section 5.4). 3. Remove the upper chassis (Section 5.5). 4. Turn the upper chassis upside down with the docking connector and cable facing away from you. 5. Cut all tie-wraps 1 that bundle the Expansion Base cables and secure the RJ-11 modem cable to the chassis. 6. Remove the four PM2.0.4.0 screws 2 that secure the front tray cover to the chassis. Removing the front tray cover screws 5–14 Maintenance and Service Guide Removal and Replacement Procedures 7. Turn the upper chassis right-side up with the expansion cable facing you. 8. Slide the front tray cover upward and then away from you to remove it. Removing the front tray cover Reverse the above procedure to install the front tray cover. Maintenance and Service Guide 5–15 Removal and Replacement Procedures 5.9 Back Panel Spare Part Number Information Back panel with RJ-11 cable 347433-001 1. Prepare the Expansion Base for disassembly (Section 5.3). 2. Remove the base plate (Section 5.4). 3. Remove the upper chassis (Section 5.5). 4. Remove the front tray cover (Section 5.8). 5. Position the upper chassis right-side up with the speakers facing you. . . Make sure that the back panel is supported before performing the following steps. 6. Remove the four PM2.0.4.0 screws 1 that secure the back panel to the chassis. 7. Remove the back panel with the RJ-11 cable attached 2. Removing the back panel Reverse the above procedure to install the back panel. 5–16 Maintenance and Service Guide Removal and Replacement Procedures 5.10 Expansion Cable Spare Part Number Information Expansion cable 347435-001 1. Prepare the Expansion Base for disassembly (Section 5.3). 2. Remove the base plate (Section 5.4). 3. Remove the upper chassis (Section 5.5). 4. Remove the front tray cover (Section 5.8). 5. Remove the back panel (Section 5.9). 6. Turn the upper chassis right-side ...