Dell Inspiron Xpi Cd Service Guide
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Factory Repair Parts A-9 Miscellaneous Parts (Continued) Keel plate ASSY,PLT,KEEL,LXPiCD A-12 Deck buoy ASSY,CLMP,THRM,LXPiCD 4-24 Microphone insulator bracketINSUL,PLSTC,MIPHN/ SWT,LXPiCD Bottom case assembly CVR,BTM,BLK,LXPi 4-22 Power button BTN,PWR SWT,LXP A-11 Power-button mounting bracketGDE,PWR SWT,PLSTC,LXPi A-11 Memory compartment coverCVR,MEM,LXPi+CD 4-5 Palmrest Assembly Palmrest service kit SVC,ASSY,PLMRST, LXPi+CD Palmrest assembly SUBASSY,PLMRST,LXPi+CD 4-9 Technical booklet DOC,SERV,GUIDE,LXPiCD Screws Screws service kit SVC,SCR,LXP 3 mm, black SCR,2mmX3mm,PHH,MS, BLO,LXP B2 3 mm, gold SCR,2mmX3mm,PHH,MS, NON,LXP B8 4 mm, black SCR,2.6mmX4mm,PHH,MS, BLO,LXPB7 5 mm, black SCR,2.6mmX5mm,PHH,MS, BLO,LXPB3 5 mm, gold SCR,2.6mmX5mm,PHH,MS, NON,LXP B8 Table A-1. Factory Repair Parts and Assemblies (Continued) Part or Assembly Name Order Name Figure
A-10 Dell Latitude XPi CD Service Manual Screws (Continued) 6 mm, black SCR,2mmX6mm,PHH,MS, BLO,LXP B6 8 mm, gold SCR,2.6mmX8mm,PHH,MS, ZPS 10 mm, gold SCR,2.5mmX10mm,PHH,MS, NON,LXP5 10 mm, black SCR,2mmX10mm,PHH,MS, BLO,LXP B9 10 mm, black SCR,M2X.4x10mm,PHH, MS,BLO 25 mm, black SCR,2.6mmX25mm,PHH,MS, BLO,LXP1 System Board Assemblies System board assembly, LXPi CD, 150-MHz, service kitSVC,SYS,PLN, LXPiCD- P150ST,WB,0M4-27 System board sub- assembly, LXPi CD, 150-MHzASSY,PLN,LXPiCD-150ST, WB,0M BIOS access door CVR,PLSTC,BIOS,LXPiCD BIOS chip IC,EEPROM,256X8,150NS, PLCC Audio board PWA,AUDIO,LXPiCD,NBK 4-32 Hard-disk drive bracketBRKT,GDE,HD,LXP 4-32 Connector board, hard- disk drivePWA,HD CON,LXPiCD,NBK 4-32 Power supply boardCRD,PWR SPLY,LXPiCD, V3.1,NBK4-29 Table A-1. Factory Repair Parts and Assemblies (Continued) Part or Assembly Name Order Name Figure
Factory Repair Parts A-11 System Board Assemblies (Continued) System board, 150-MHzPWA,PLN,LXPiCD-150ST, NBK I/O interface cableCBL,I/O TO M/B,LXPiCD A-7 Bracket, I/O BRKT,I/O,LXPi Serial EMI clip, I/OCLP,EMI,SER,I/O,XPiCD Docking EMI clip, I/OCLP,EMI,DOCK,I/O,XPiCD Diskette, field serviceDSK,FLD SERV,F3,US, LXP Technical booklet, serviceDOC,SERV,GUIDE,LXPi Trackball Optical trackball assembly SVC,ASSY,TBALL/SWT, LXPi+CD4-11 Trackball interface cableCBL,TBALL,LXPi+CD 4-11 Trackball subassemblySUBASSY,TBALL,OPTICAL, LXPiCD Trackball boardPWA,TBALL,OPTICAL, LXPiCDA-2 Trackball TBALL,OPTICAL,LXPiCD A-2 Trackball button boardSUBASSY,TBALL,SWT BD, LXPiCDA-2 Technical booklet DOC,SERV,GUIDE,LXPi Table A-1. Factory Repair Parts and Assemblies (Continued) Part or Assembly Name Order Name Figure
A-12 Dell Latitude XPi CD Service Manual Exploded Views of Components and Assemblies Figure A-1. Exploded View—Display Assembly display assembly bez el latch LCD panel LCD power cable interface cable LCD inverter boarddisplay assembly case EMI shield display assembly hinges (2)hinge covers (2)
Factory Repair Parts A-13 . Figure A-2. Exploded View—Palmrest Assembly keyboard keyboard cables (2) trackball interface cable trackballpalmrest plastic housing trackball button boardpalmrest brace trackball ring trackball board connector J1 CD-ROM EMI clip A6 (4 mm) A7 (4 mm) A8 (4 mm)A9 (4 mm) 4 mm
A-14 Dell Latitude XPi CD Service Manual . Figure A-3. Exploded View—Bottom Case Assembly bottom case assembly system board assembly memory compartment coverI/O bracket clip superpart assembly 3.1-V power supply spreader plate diskette/CD-ROM assembly audio board key buoy plate I/O panel dust coverdust cover for the Advanced Port Replicator superpart serial EMI clip superpart docking EMI clip
Factory Repair Parts A-15 Hard-Disk Drive The hard-disk drive resides in a carrier that mounts inside the computer’s hard-disk drive bay. Four screws secure the drive inside the carrier. A mylar insulator provides electrical insulation between the hard-disk drive and the bot- tom of its carrier. To remove the hard-disk drive and hard-disk drive insulator, follow these steps: 1. Remove the hard-disk drive assembly. See “Hard-Disk Drive Assembly” in Chapter 4. 2. Place the hard-disk drive assembly right side up on the work surface, and remove the four screws that secure the drive in its carrier. 3. Rotate the front of the drive toward the back of the carrier far enough to expose the connector on the back of the drive. 4. Carefully pry the flex cable connector away from the hard-disk drive interface connector on the back of the drive. 5. Lift the hard-disk drive out of its carrier. 6. Remove the hard-disk drive insulator, if necessary. With the hard-disk drive removed, lift the insulator straight up out of the carrier. The 17-mm hard-disk drives also have a foam spacer on top of the insulator (not shown). To avoid possible damage to components on the hard-disk drive’s integrated controller board, hold the drive at approximately a 45-degree angle while reat- taching the interface cable. Then rotate the drive toward the front of its carrier until it is seated in its original position.CAUTION: Rotating the hard-disk drive too far can damage the short flex cable that connects the hard-disk drive to the system board’s hard-disk drive interface connector. Do not rotate the drive farther than necessary to disconnect the cable from the back of the drive.
A-16 Dell Latitude XPi CD Service Manual CD-ROM Drive The CD-ROM drive is attached to the CD-ROM/diskette drive bracket. See “Diskette/CD-ROM Drive Assembly” in Chapter 4 for instructions about removing the diskette/CD-ROM assembly from the bottom case assembly. The CD-ROM flex cable is threaded through a slot in the drive bracket. Remove the four screws that hold the CD-ROM to the drive bracket. Slide the CD-ROM flex cable out of the slot in the bracket holding the CD-ROM. The CD-ROM is replaced as a unit and is not disassembled. Diskette Drive The diskette drive is attached to the CD-ROM/diskette drive bracket. See “Diskette/CD-ROM Drive Assembly” in Chapter 4 for instructions about removing the diskette/CD-ROM assembly from the bottom case assembly. Remove three screws to separate the diskette drive from the drive bracket. The diskette drive is replaced as a unit and is not disassembled. Palmrest Assembly Components To remove and replace a component of the palmrest assembly, you must first remove the assembly as described in “Palmrest Assembly” in Chapter 4. The subsections that follow provide removal procedures for the components of the trackball assembly. See Figure A-2. Trackball Turn the trackball board over. Rotate the retaining ring counter-clockwise. Lift the trackball out of the recess in the trackball holder. Trackball Interface Cable Gently disconnect the end of the cable from connector J1 on the trackball button board. Trackball Button Board Remove retaining screw A6 (see Figure A-2), and lift the board out of the palm- rest assembly. When replacing the board, fit the two small switches on the underside of the board into the recesses in the palmrest. Palmrest Brace Remove screws A-7 through A-9 (see Figure A-2). Gently pull the brace toward the front, and lift the brace away from the palmrest.
Factory Repair Parts A-17 Display Assembly Components The display assembly consists of the LCD assembly and its related components. It also contains the LED board, which provides visual indications of many of the computer’s basic functions. The microphone assembly is mounted inside the right hinge cover of the display. Some parts of the display assembly can be removed and replaced without removing the assembly from the computer. Others require that the display assembly be removed. The following subsections describe the removal of dis- play assembly parts. Display-Assembly EMI Shield Figure A-4. Display-Assembly EMI Shield Removal To remove the display-assembly EMI shield, follow these steps: 1. Remove the display assembly from the computer. See “Display Assembly” in Chapter 4. 2. Remove the display assembly bezel. See “Display Assembly Bezel” in Chapter 4. 3. Remove the LCD assembly. See “LCD Assembly” in Chapter 4. 4. Remove the display-assembly interface cable. See “Display-Assembly Interface Cable” in Chapter 4. display assembly case EMI shield
A-18 Dell Latitude XPi CD Service Manual 5. Remove the LCD-inverter-board. See “LCD-Inverter-Board Interface Cable” in Chapter 4. 6. Remove the display assembly base. See “Display Assembly Base” later in this chapter. 7. Remove the display-assembly EMI shield. The EMI shield is held in place by tabs along the upper and lower edges. Pull- ing the center of the shield slightly away from the display assembly will release the tabs. To replace an EMI shield, carefully orient the replacement EMI shield in the same position as the original shield. Make sure that all screw holes in the shield are aligned with their corresponding screw holes in the display assembly case. Display Assembly Base To remove the display assembly base (see Figure 4-14), follow these steps: 1. Remove the display assembly from the computer. See “Display Assembly” in Chapter 4. 2. Remove both hinge covers. See “Hinge Covers” in Chapter 4. 3. Rotate the display assembly hinges so that they point away from the display assembly at approximately 180 degrees. 4. Remove the display assembly bezel. See “Display Assembly Bezel” in Chapter 4. 5. Remove the left hinge. See the next subsection, “Display Assembly Hinges.” 6. Rotate the right end of the display assembly base away from the display assembly until the base clears the right hinge. 7. Lift the display assembly base away from the left hinge. 8. Disengage the display-assembly interface cable from the slot in the base.