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____________________ Information in this manual is subject to change without notice. 1997-1998 Dell Computer Corporation. All rights reserved. Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.
Contents Chapter 1 System Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 System Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Physical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Keyboard Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 3 Beep Codes and Error Messages . . . . . . . . . . . . . . . . . . 3-1 POST Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 System Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Running the Dell Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Chapter 4 Removing and Replacing Parts . . . . . . . . . . . . . . . . . . . 4-1 Recommended Tools . . . . . . . . . .
PC Card Cage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54 Latch Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-55 Kensington Lock Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-56 12.1-Inch LCD Components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-57 12.1-Inch LCD Front Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4-16. Figure 4-17. Figure 4-18. Figure 4-19. Figure 4-20. Figure 4-21. Figure 4-22. Figure 4-23. Figure 4-24. Figure 4-25. Figure 4-26. Figure 4-27. Figure 4-28. Figure 4-29. Figure 4-30. Figure 4-31. Figure 4-32. Figure 4-33. Figure 4-34. Figure 4-35. Figure 4-36. Figure 4-37. Figure 4-38. Figure 4-39. Figure 4-40. Figure 4-41. Figure 4-42. Figure 4-43. Figure 4-44. Figure 4-45. Figure 4-46. Figure 4-47. Figure 4-48. Figure 4-49. viii Hard-Disk Drive Disassembly. . . . . . . . . . . . . . . . . .
Tables Table 1-1. Table 1-2. Table 3-1. Table 3-2. Table 4-1. Interrupt Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 POST Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 System Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Factory Repair Parts and Assemblies. . . . . . . . . . . . . . . . . . .
Read This First A prerequisite for using this manual to service Dell portable computers is a basic knowledge of IBM-compatible PCs and prior training in IBM-compatible PC troubleshooting techniques. In addition to information provided in this manual and the online System User’s Guide that came with the system, Dell provides the Diagnostics and Troubleshooting Guide for troubleshooting procedures and instructions on using the Dell Diagnostics to test the computer system.
Chapter 1 System Overview The Dell ® Inspiron™ 3000 series is a family of expandable multimedia portable computers that use the Intel® Pentium® and Pentium II microprocessors with MMX™ technology. This chapter provides an overview of the components and subsystems of these computers. The individual model names within the Inspiron 3000 series indicate the type and operating frequency of the microprocessor and the display used in the computer.
• A 12.1-inch active-matrix SVGA display on Inspiron 3200 D233ST and on the Inspiron 3000 M166ST, M200ST, and M233ST; a 13.3-inch activematrix XGA display on the Inspiron 3000 M233XT and M266XT, and the Inspiron 3200 D233XT and D266XT. • 40-WH lithium ion battery (eight cells). • 512-KB SRAM level-2 external cache and 32-KB internal cache. (The Inspiron 3000 M166ST has a 256-KB SRAM level-2 external cache.
Physical Description display display latch status display panel display close/suspend button microphone speakers (2) keyboard power/suspend indicator touch pad power button options bay touch pad buttons (2) main battery Figure 1-1. Front View of the Portable Computer infrared port USB connector serial connector hard-disk drive parallel connector security cable slot AC adapter connector monitor connector expansion connector PS/2 connector audio jacks (3) PC Card slots (2) Figure 1-2.
Status Display . Figure 1-3. Status Display Panel The status display panel is located directly above the keyboard. This panel shows icons that indicate aspects of keyboard operation or save-to-RAM suspend mode; CD-ROM or DVD-ROM drive, hard-disk drive, diskette drive, and PC Card activity; and status of the power source (AC power or batteries). Keyboard Indicators The following icons indicate the status of the keyboard and whether the computer is in suspend mode.
Diskette-Drive Access Indicator This indicator blinks when data is being transferred to or from the diskette drive in the options bay. PC Card Indicator This indicator blinks when the computer is accessing data from an installed PC Card or Cards. AC Power Indicator This indicator appears when the computer is receiving power through an AC power adapter. • If the icon is present but not blinking, the computer is on but the battery is not charging.
• The AC power indicator with the battery status indicator means the battery is defective. • An indicator with one bar on the left means a battery is too hot. Allow the battery to cool to room temperature. • The AC power indicator with the battery status indicator and one bar means that the battery is too hot (60° C [140° F] or more) to start charging. Charging starts automatically when the battery cools to below 45° C.
status button indicator lights Figure 1-4. Battery Charge Gauge NOTE: Figure 1-4 shows a main battery. For the secondary battery, the same button and lights are present, but are located on top of the battery and can be seen only when the secondary battery is out of the computer. System Power The power button controls power to the system. The computer receives power from either the AC adapter connected to an AC power source or from up to two batteries.
• Save-to-disk suspend mode — To activate this feature, press (or on the French keyboard) or set the Suspend Time-Out option in the Power Menu of the Setup program. To resume using the computer, press the power button. The computer may take several seconds to return to normal operation. If you connect or remove devices while the computer is in save-to-disk suspend mode, the computer automatically recognizes the newly connected devices when it resumes normal operation.
Technical Specifications Table 1-2.
Table 1-2. Technical Specifications (continued) PC Card (continued) PC Card connector size 68 pins Data width (maximum) 32 bits Memory Architecture SDRAM Memory module capacities 16-, 32-, and 64-MB SODIMMs Standard RAM 32 MB (16 MB of nonremovable memory on the main board and a 16-MB 3.3-V memory module in one of the two memory module sockets on the main board).
Table 1-2. Technical Specifications (continued) Audio Audio type Sound Blaster Pro-compatible voice and music functions Audio controller Crystal 4237B Conversion 16 bit (stereo analog-to-digital and digital-to-analog) FM music synthesizer 20-voice, 72-operator Interfaces: Internal ISA bus External microphone (minijack, mono); headphones/speaker (minijack); line-in Internal speaker amplifier 1.
Table 1-2. Technical Specifications (continued) 12.1-Inch Display (continued) Operating angle 0° (closed) to 180° Dot pitch 0.264 mm Power consumption 2.35 W Controls brightness can be controlled through key combinations 13.3-Inch Display Type (M233XT, M266XT, D233XT, D266XT) active-matrix color (TFT) Dimensions: Height 203 mm (8.0 inches) Width 271 mm (10.7 inches) Diagonal 338 mm (13.
Table 1-2. Technical Specifications (continued) Touch Pad (continued) Size: Thickness 4.65 mm (0.18 inch) at highest component Width 64-mm (2.52-inch) sensor-active area Height 47.0-mm (1.85-inch) rectangle with 0.5-mm (0.02-inch) tabs Weight 15 g (0.52 ounce) ± 0.5 g (0.001 ounce) Power: Supply voltage 5 V ± 10% Supply current 4 mA (maximum operating) Main Battery Type lithium ion Dimensions: Height 23.0 mm (0.9 inch) Depth 161.5 mm (6.4 inches) Width 73.4 mm (2.9 inches) Weight 0.
Table 1-2. Technical Specifications (continued) AC Adapter Input voltage 90 to 264 VAC Input current (maximum) 1.5 A at 90 VAC, full load Input frequency 47 to 63 Hz Output current 2.4 A (continuous) Output power 45 W Rated output voltage 19 VDC Physical: Height 29.6 mm (1.17 inches) Width 60.0 mm (2.36 inches) Depth 105 mm (4.13 inches) Weight (with cables) 0.3 kg (0.
Table 1-2. Technical Specifications (continued) Environmental (Computer) Temperature: Operating 5° to 35°C (41° to 95°F) Storage –20° to 50°C (–4° to 122°F) Relative humidity 10% to 90% (noncondensing) Maximum vibration: Operating 0.5 GRMS using a random-vibration spectrum that simulates air/truck shipment Storage 1.1 GRMS using a random-vibration spectrum that simulates air/truck shipment Maximum shock:3 Operating 1.
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Chapter 2 Initial Procedures T his chapter describes initial procedures that can help you diagnose a computer problem. These procedures can often reveal the source of a problem or indicate the correct starting point for troubleshooting the computer. Dell recommends that you perform these initial procedures in the order they are presented. Initial User Contact When you first contact a user who has a problem, ask the user to describe the problem and the conditions under which it occurs.
components, as instructed in the following procedure, see Chapter 4, “Removing and Replacing Parts.” CAUTION: Before you proceed with the visual inspection, ensure that the user has saved all open files and exited all open application programs if possible. To perform a visual inspection, follow these steps: 1. Determine the power state of the computer. If the display is on, go to step 2. Check the status display window to determine the status of the computer.
b. The monitor’s power cable is attached to a power source and is free of any obvious physical damage. c. The monitor and its interface cable are free of any obvious physical damage. d. The monitor’s controls are set according to the instructions in the documentation for the monitor. 13. If an external mouse is connected, verify the following: a. The mouse is properly connected to the keyboard/keypad/mouse connector on the computer’s I/O panel. b.
Do these indicators light up within seconds after the boot routine starts? Yes. Go to step 4. No. Troubleshoot the power subsystem. 4. While the boot routine is running, observe the computer for any of the following: • Diskette-drive and hard-disk drive access indicator activity These indicators light in response to data being transferred to or from the drives. If either of these indicators fails to light during the boot routine, troubleshoot the diskette drive or hard-disk drive subsystem, as appropriate.
If you suspect that resource conflicts might exist, check the computer and reassign the resources as necessary. For more information about resolving conflicts, see Chapter 3, “Troubleshooting Your Computer,” in the Reference and Troubleshooting Guide. Getting Help If none of the procedures in this chapter reveal the source of the problem or lead to the proper troubleshooting steps for determining the source of the problem, contact Dell for technical assistance.
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Chapter 3 Beep Codes and Error Messages T his chapter describes beep codes and system error messages that can occur during system start-up or, in the case of some failures, during normal computer operation. The tables in this chapter list faults that can cause a beep code or system error message to occur and the probable causes of the fault in each case.
Table 3-1.
Table 3-2. System Error Messages (continued) Message Definition Probable Causes Failing bits: nnnn Memory failed at RAM address nnnn. Faulty or improperly seated memory module. Faulty main board. Fixed disk 0 failure Hard-disk drive not responding to commands from computer. Corrupted hard-disk drive boot sector or configuration file. Faulty hard-disk drive. Faulty main board. Fixed disk controller failure Hard-disk drive or controller not responding to commands from computer.
Table 3-2. System Error Messages (continued) Message Definition Probable Causes Real time clock error CMOS battery that supports data stored in NVRAM may be dead. Faulty battery. Faulty main board. Shadow RAM failed at offset: nnnn Shadow RAM failed at address nnnn. Faulty or improperly seated memory module. Faulty main board. System battery is dead—Replace and run Setup CMOS battery dead. Faulty CMOS battery or main board. System cache error—cache disabled Primary cache failed.
• • • • • • • • Mouse — Tests the mouse/touch pad subsystem Diskette Drives — Tests the diskette drive subsystem Hard-Disk Drives (Non-SCSI) — Tests the IDE hard-disk drive subsystem IDE CD ROM Drives — Tests a CD-ROM drive subsystem Serial/Infrared Ports — Tests the serial communications port Parallel Ports — Tests the parallel communications port Audio — Tests the operation of the audio chip set SCSI Devices — Tests a SCSI hard-disk drive subsystem NOTE: This test does not apply to Dell Inspiron 3000 com
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Chapter 4 Removing and Replacing Parts T his chapter provides procedures for removing and replacing components, assemblies, and subassemblies. Unless otherwise noted, each of the procedures in this chapter assumes the following: • The computer and any attached peripherals are turned off and the peripherals are disconnected from the computer’s I/O panel. • A part can be replaced or installed by performing the removal procedure in reverse order.
• Small scribe (or Delrin [plastic] screwdriver) • Nut drivers (4 mm and 5 mm) Screw Identification and Tightening . B1 (screw B1 is 12 mm) 12 mm Figure 4-2. Screw Identification (Example) CAUTION: It is essential that the correct length screw be used when reinstalling a screw. Otherwise, hardware damage could result. Make sure that the screw is properly aligned with its corresponding hole, and avoid overtightening. Where applicable, information about screw lengths is provided in illustrations.
Precautionary Measures Before performing any of the procedures in this chapter, read the following warning. WARNING FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE EQUIPMENT: Before you start to work on the computer, perform the following steps in the sequence indicated. 1. Turn off the computer and any attached peripherals. 2. Disconnect the computer and any attached peripherals from AC power sources to reduce the potential for personal injury or shock. 3.
AC power cable (to AC power source) AC adapter AC adapter cable Figure 4-3. AC Adapter Removal 4. If the computer is connected to a port replicator, remove the computer from the replicator. release handle Figure 4-4. Computer Removal From Replicator 5. Remove the main battery from the battery compartment. Unlock the latch lock (see Figure 4-5). Slide the latch toward the back of the computer (the latch does not move all the way to the lock groove).
latch lock (unlocked position) bottom of computer battery latch back of computer battery Figure 4-5.
6. Remove any PC Cards. To remove a PC Card from the top connector (see Figure 4-6), press the top eject button (identified by an arrow pointing up) twice. To remove a PC Card from the bottom connector, press the bottom eject button (identified by an arrow pointing down) twice. If you are removing a type III card, press the bottom eject button twice. NOTES: The first time you press an eject button, the eject button itself pops out.
CAUTION: When the hard-disk drive is removed, the memory module cover is not secured. Use caution to avoid damage to the memory modules or the cover. bottom of computer memory module cover HD1 HD2 hard-disk drive cover (screws HD1 and HD2 are 3 mm) 3 mm Figure 4-7. Hard-Disk Drive Removal 8. Remove the memory module cover. After the hard-disk drive is removed, lift the memory module cover off the computer. Slide the cover out slightly and lift it up and away from the computer (see Figure 4-7).
10. Remove the diskette drive, secondary battery, CD-ROM drive, or DVD-ROM drive from the options drive bay. Unlock the latch lock (see Figure 4-9). Slide the latch toward the back of the computer; the latch does not move all the way to the lock groove. Keep holding the latch with one hand while pulling the device (diskette drive, secondary battery, CD-ROM drive, or DVD-ROM drive) straight out of the options bay with the other.
ZIF Connectors Some of the computer’s interface connectors are zero insertion force (ZIF) connectors. These connectors are not removable; they must be released to disconnect a cable from them. CAUTION: ZIF connectors are fragile. To avoid breaking the connectors, touch them carefully. Do not apply too much pressure to the movable part of the connector when opening or closing it. To disconnect a cable from a ZIF connector, follow these steps: 1.
Exploded Views of Components and Assemblies LCD panel assembly latch keyboard heat sink connector cover hinge covers (2) hard-disk drive diskette drive, secondary battery, CD-ROM drive, or DVD-ROM drive base assembly main battery Figure 4-11.
. front bezel LCD panel LCD panel flex cable latch bobbin (adhered to LCD flex cable) hinges (2) back cover inverter board inverter board connector Figure 4-12. Exploded View—12.
front bezel LCD panel LCD panel cable harness (captured by the bracket) LCD-to-inverter cable EPE foam latch hinges (2) back cover bracket inverter board cable inverter board NOTE: The inverter board is installed with the component side down, next to the back cover. Figure 4-13. Exploded View—13.
connector cover status display panel screws (3) palmrest assembly cover screws (6) touch pad button board cable I/R board cable touch pad button board I/R board touch pad button board screw I/R board screw speakers (2) touch pad plastic housings (2) speaker screws (2) hard-disk drive heat sink screws (6) hard-disk drive heat sink Figure 4-14.
. LVDS board (13.3-inch LCD only) processor board PC Card cage I/O panel bracket main board audio board Kensington lock plate USB board audio bezel IR lens base assembly latch assembly memory module cover Figure 4-15.
Factory Repair Parts and Assemblies This section contains a parts list and procedures for removing and replacing factory components and subassemblies. This information is provided for reference only. Dell does not recommend removal and replacement of these parts in the field. Table 4-1 lists the factory repair parts and assemblies available for the computer. Some parts may only be available as part of a kit or assembly.
Table 4-1. Factory Repair Parts and Assemblies (continued) Part or Assembly Name Order Name BIOS (continued) Kit, BIOS flash (M166ST, M200ST, M233ST, M233XT, M266XT) KIT,FLASH,BIOS,UPG,F3,I3000 Kit, BIOS flash (D233ST, D233XT, D266XT) KIT,DSK,FLASH,BIOS,UPG,I3200 Base Assembly Base (with battery), 166-MHz, 12.1-inch LCD Assembly (with battery), 166-MHz Base (with battery), 200-MHz, 12.1-inch LCD Assembly (with battery), 200-MHz Base (with battery), 233-MHz, 12.
Table 4-1. Factory Repair Parts and Assemblies (continued) Part or Assembly Name Order Name Base Assembly (continued) Base (without battery), 233-MHz, 13.3-inch LCD Assembly (without battery), 233-MHz BASE,NBK,I3000,M233XT,NO BTRY ASSY,NBK,I3000,M233XT,NO BTRY Base (without battery), 266-MHz, 13.
Table 4-1.
Table 4-1.
Table 4-1. Factory Repair Parts and Assemblies (continued) Part or Assembly Name Order Name Diskette Drive Assembly (continued) Cable, service kit* CUS,CBL,FD,INT/EXT,I3000,US Cable, diskette drive KIT,CBL,FD,INT/EXT,I3000,US Hard-Disk Drive Assemblies Hard-disk drive, 2.1-GB, service kit* CUS,HD,2.1G,I,12.5MM,IBM,I3000 Assembly, hard-disk drive, 2.1-GB SUBASSY,HD,2.1G,I,12.5MM,I3000 Hard-disk drive, 2.1-GB HD,2.1GB,I,F2,12.5MM,IBM,V2 Bracket, hard-disk drive BRKT,HD,PLSTC,12.
Table 4-1. Factory Repair Parts and Assemblies (continued) Part or Assembly Name Order Name Hard-Disk Drive Assemblies (continued) Bracket, plastic BRKT,HD,PLSTC,12.5MM,NBK, I3000 Plate, insulator, EMI INSUL,MET,BTM,HD,12.5MM, I3000 Hinge Covers Covers, hinge, service kit CUS,CVR,PLSTC,HNG,NBK,I3000 Covers, hinge HNG,PLSTC,CVR,LF/RT,NBK, I3000 Keyboards Keyboard, U.S.
Table 4-1. Factory Repair Parts and Assemblies (continued) Part or Assembly Name Order Name LCD Assemblies (continued) LCD panel, active-matrix color display (TFT), 12.1” Samsung LCD,TFT,SVGA,12.1”,I1300, SMSNG Bezel, front, 12.1” Samsung BZL,PLSTC,LCD,12.1,NBK,I3000 Cable, flex, 12.1” Samsung CBL,FLEX,LCD,12.1,I3000, Hinges, display, 12.1” HNG,MET,LCD,12.1”,NBK,I3000 Bezel, back, 12.1” Samsung CVR,BK,12.1”,W/LTCH,I3000, SMSNG Bumper, upper rubber, 12.1” BMPR,RBR,UPR,LCD,12.
Table 4-1. Factory Repair Parts and Assemblies (continued) Part or Assembly Name Order Name LCD Assemblies (continued) Bracket, LCD panel, 13.3”, IBM BRKT,MET,LCD,13.3,NBK,I3000, IBM Screw, flex cable ground SCR,M2.5X0.45P+3F-NI Bumper, upper rubber, 13.3” BMPR,RBR,UPR,LCD,13.3”,I3000 Screw, LCD panel SCR,M3.0X0.5+6FP-MC Screw, bezel SCR,M2.5X0.45P+5FP-ZK Cover, lower rubber PAD,RBR,SCR,LWR,LCD,NBK, I3000 Board, inverter CRD,INVRTR,13.3,I3000,IBM Spacer, 13.3” SHIM,WSHER,5X3X.
Table 4-1.
Table 4-1. Factory Repair Parts and Assemblies (continued) Part or Assembly Name Order Name Miscellaneous Parts (continued) IC, system BIOS (M166ST, M200ST, M233ST, M233XT, M266XT) IC,BIOS,SYS,NBK,I3000 IC, system BIOS (D233ST, D233XT, D266XT) IC,BIOS,SYS,NBK,I3200 Board, audio CRD,INTFC,AUD,NBK,I3000 Board, USB CRD,INTFC,USB,NBK,I3000 Board, IR CRD,IR,NBK,I3000 Lens, IR LENS,IR,NBK,I3000 Cable, IR CBL,FLEX,CRD,IR,NBK,I3000 Standoffs, processor board STDF,M2.5X4.
Table 4-1. Factory Repair Parts and Assemblies (continued) Part or Assembly Name Order Name Miscellaneous Parts (continued) Cover, connector (M166ST, M200ST, M233ST, M233XT, M266XT) CVR,PLSTC,TOP,CON,NBK,I3000 Cover, connector (D233ST, D233XT, D266XT) CVR,PLSTC,TOP,CON,NBK,I3200 Heat sink, hard-disk drive HTSNK,11X3”,AL,HDD,NBK,I3000 Palmrest Assembly Assembly, palmrest, 12.1” SUBASSY,PLMRST,PLSTC,BLK, I3000 Palmrest, 12.1” PLMRST,PLSTC,BLK,NBK,I3000 Assembly, palmrest, 13.
Table 4-1. Factory Repair Parts and Assemblies (continued) Part or Assembly Name Order Name Rubber Parts Parts, rubber, 12.1” LCD, service kit CUS,KIT,FOOT,REPL,12.1,I3000 Foot, rubber FOOT,RBR,CVR,BTM,NBK,I3000 Bumper, upper, rubber BMPR,RBR,UPR,LCD,12.1”,I3000 Pad, lower, rubber PAD,RBR,SCR,LWR,LCD,NBK, I3000 Parts, rubber, 13.3” LCD, service kit CUS,KIT,FOOT,REPL,13.3,I3000 Foot, rubber FOOT,RBR,CVR,BTM,NBK,I3000 Bumper, upper, rubber BMPR,RBR,UPR,LCD,13.
Table 4-1.
Hard-Disk Drive cable protector insulator hard-disk drive flex-cable connector E6 E5 carrier (screws E1–E6 are 5 mm) E1 5 mm E4 E2 E3 Figure 4-16. Hard-Disk Drive Disassembly The hard-disk drive resides in an EMI insulator in a carrier that mounts in the computer’s hard-disk drive compartment on the left side of the computer. Six screws secure the drive inside the carrier. To disassemble the hard-disk drive from the carrier and the insulator, follow these steps: 1.
Diskette Drive shield eject button cable lock flex cable (screws FD1–FD3 are 3 mm) cable support FD2 eject button recess 3 mm FD3 carrier (screws FD4 and FD5 are 2.5 mm) FD1 FD4 2.5 mm FD5 Figure 4-17. Diskette Drive Disassembly The diskette drive resides in a carrier that slides into the options drive bay on the right side of the computer. To remove the diskette drive from the carrier, follow these steps: 1. Remove diskette drive screws FD1, FD2, and FD3. 2. Remove the protective shield. 3.
CD-ROM/DVD-ROM Drive CD-ROM/DVD-ROM drive drive connector carrier CD1 CD2 flex cable internal connector (screws CD1–CD4 are 2 mm) CD4 lip 2 mm CD3 external connector Figure 4-18. CD-ROM/DVD-ROM Drive Disassembly The CD-ROM drive or DVD-ROM drive resides in a carrier that slides into the options drive bay on the right side of the computer. To disassemble the CDROM drive or DVD-ROM drive assembly, follow these steps: 1.
General Disassembly . General disassembly procedures assume that the following removal procedures (described at the beginning of this chapter) have been accomplished: • • • • • • • AC adapter Port replicator PC Card Hard-disk drive Memory (module cover and modules) Options bay device Main battery Preparation There are many screws of various sizes. To assist in keeping track of the screws, use a tackle or pill box as a storage device.
Keyboard K1 keyboard hinge covers (2) K2 keyboard cable ZIF connector connector cover palmrest (screws K1 and K2 are 4 mm) 4 mm Figure 4-20. Keyboard Removal To remove the keyboard, follow these steps: 1. Remove the hinge covers. If the hinge covers are tight, use a plastic wedge or scribe to loosen them. 2. Remove the connector cover. Start from the right side and gently pry the connector cover from the computer.
3. Remove the keyboard screws K1 and K2. 4. Lift up the keyboard from the palmrest. Pull forward at the back of the keyboard to release the edge of the keyboard from the palmrest assembly. 5. Disconnect the keyboard cable from the ZIF connector. Use a small flat-blade screwdriver or scribe to release the ZIF connector securing the keyboard cable. CAUTION: Lift away the cable only after the ZIF connector is opened (see “ZIF Connectors” found earlier in this chapter).
Heat Sink HS3 HS1 fan connector HS2 heat sink palmrest assembly (screws HS1–HS3 are 5 mm) 5 mm Figure 4-21. Heat Sink Removal To remove the heat sink, follow these steps: 1. Remove the keyboard. 2. Remove black chromate panhead screws HS1, HS2, and HS3. The heat sink will come free except for the fan cable. Push back and lift up on the heat sink to access the fan cable. 3. Remove the fan cable. The fan cable is beneath the heat sink on the left side.
Status Display Panel SD1 status display panel connector JP5 connector P3 palmrest assembly status display panel connector I/R cable (screw SD1 is 5 mm) 5 mm Figure 4-22. Status Display Panel Removal To remove the status display panel, follow these steps: 1. Remove the hinge covers and connector cover. See “Keyboard” found earlier in this chapter. 2. Remove status display panel screw SD1. 3. Remove the status display panel. The status display panel has two connectors. 4.
LCD Assembly The LCD assembly consists of the display assembly and its related components. This section describes how to remove either the 12.1-inch or 13.3-inch LCD assembly. Later sections in this chapter provide removal and replacement procedures for the components of the LCD assembly.
4. For a 12.1-inch display, remove cable connector screws G1 and G2. For a 13.3-inch display, remove only cable connector screw G1. On 12.1-inch displays, screw G1 holds the LCD cable ground in place. G1 has a square washer. On 13.3-inch displays, screw G1 holds the left side of the LVDS board (see Figure 4-32) in place. 5. For a 12.1-inch display, disconnect the LCD flex cable from connector JP8 on the main board. For a 13.
Palmrest Assembly The palmrest assembly consists of the following components: • • • • IR assembly Left and right speaker assemblies Hard-disk drive heat sink Touch-pad assembly The following subsections provide removal and replacement procedures for the components of the palmrest assembly. These procedures assume that the keyboard assembly, heat sink, status display panel, and the LCD assembly have been removed.
4. Remove case screws CS5 and CS6. These screws are on the edge of the heat sink opening. 5. Disconnect the speaker wiring harness from connector JP16 (see Figure 4-29). This wiring harness also contains wiring for the touch pad and the touch pad buttons. 6. Remove the palmrest assembly from the base assembly. Start at the right rear of the computer and move forward around the computer. Carefully lift the palmrest assembly up and pull it forward to release the hidden tabs spaced around the sides and front.
IR Board (screw IR1 is 3 mm) 3 mm palmrest assembly I/R board I/R board cable connector JP1 IR1 Figure 4-25. IR Board Removal To remove the IR board, follow these steps: 1. Remove the palmrest assembly. 2. Remove IR board screw IR1. 3. Disconnect the IR board cable from the IR board connector JP1. 4. Remove the IR board from the palmrest assembly.
Hard-Disk Drive Heat Sink palmrest assembly hard-disk drive heat sink (screws HT1–HT6 are 3 mm) HT1 HT3 HT2 3 mm HT4 HT5 HT6 Figure 4-26. Hard-Disk Drive Heat Sink Removal To remove the hard-disk drive heat sink, follow these steps: 1. Remove the palmrest assembly. 2. Remove hard-disk drive heat sink screws HT1 through HT6. 3. Remove the hard-disk drive heat sink from the palmrest assembly.
Touch-Pad Assembly palmrest assembly touch-pad buttons (2) touch-pad button board (screw H7 is 5 mm) touch pad touch-pad cable H7 5 mm Figure 4-27. Touch-Pad Assembly Removal To remove the touch-pad assembly, follow these steps: 1. Remove the palmrest assembly. 2. Remove the hard-disk drive heat sink. 3. Remove touch-pad button screw H7. This screw holds the touch-pad button board in place. 4. Disconnect the touch-pad cable from touch-pad button connector JP1.
Speakers speakers (2) speaker wires S1 palmrest assembly (screws S1 and S2 are 3 mm) 3 mm plastic housings (2) S2 Figure 4-28. Speaker Removal To remove the speaker, follow these steps: 1. Remove the palmrest assembly. 2. Remove the hard-disk drive heat sink. 3. Remove the touch-pad assembly. 4. Remove left speaker screw S1. 5. Remove the left speaker cover and speaker. To replace the speaker, unsolder the wires. 6. Repeat steps 4 and 5 for the right speaker. The right speaker screw is S2.
Base Assembly The base assembly consists of the following components: • • • • • • • • • • • IR lens Processor board LVDS board (13.3-inch LCD only) USB board Main board Audio bezel Audio board PC Card cage Latch assembly BIOS door Rubber feet The following subsections provide removal and replacement procedures for most of the components of the base assembly. Procedures for the BIOS door, rubber feet, and 13.3-inch bumpers are not shown because they are obvious.
processor board LVDS board (13.3-inch LCD only) PC Card cage connector JP16 USB board main board audio board IR lens audio bezel base assembly Figure 4-29.
IR Lens IR lens Figure 4-30. IR Lens Removal Remove the IR lens by gently pulling straight up on the lens with the fingers of one hand.
Processor Board processor board rubber bumper connector JP18 main board connector JP19 Figure 4-31. Processor Board Removal Remove the processor board from the main board. The processor board is held in place on the main board by connectors JP18 and JP19. Using the fingers of one hand, gently remove the processor board from the main board by pulling straight up. Do not rock the processor board to remove it. This may damage the two connectors on the processor board or the main board.
LVDS Board The LVDS board is present on computers with a 13.3-inch LCD. If you have a 12.1-inch LCD, skip this subsection. connector JP1 G2 LVDS board main board connector JP8 connector JP12 (screw G2 is 3 mm) 3 mm Figure 4-32. LVDS Board Removal To remove the LVDS board, follow these steps: 1. Remove LVDS board screw G2. This is the other screw that you left in place when you removed the 13.3-inch LCD cable harness from connector JP1 on the LVDS board. 2. Remove the LVDS board from the main board.
USB Board U1 USB board (screw U1 is 5 mm) connector JP9 5 mm Figure 4-33. USB Board Removal To remove the USB board, follow these steps: 1. Remove USB board screw U1. 2. Disconnect the USB board from connector JP9 on the main board. With the fingers of one hand, gently pull the USB board straight up about 1/4-inch to free it from connector JP9. Then turn the board slightly to the right to remove it from the corner of the main board and the base assembly.
Main Board hinge blocks (2) I/O panel bracket ST11 ST10 ST4–ST9 ST1 M1 ST2 M3 M2 ST3 (standoffs ST1, ST2, ST3, ST10, and ST11 are 6 mm) main board 6 mm (screws M1, M2, M3, and ST4–ST9 are 5 mm) 5 mm Figure 4-34. Main Board Removal To remove the main board, follow these steps: 1. Remove the processor board. 2. If one is installed, remove the LVDS board. Otherwise, go to step 3. 3. Remove the USB board. 4. Remove main board screws M1, M2, and M3. 5. Remove standoff nuts ST1, ST2, and ST3. 6.
Audio Bezel audio bezel Figure 4-35. Audio Bezel Removal Remove the audio bezel by gently pulling it from the three audio jacks on the left side of the main board. This bezel usually drops out when the main board is removed from the computer.
Audio Board main board connector JP2 connector JP1 audio board Figure 4-36. Audio Board Removal To remove the audio board, follow these steps: 1. Remove the main board. 2. Remove the audio board from the bottom of the main board. The audio board is held in place by two connectors on the main board (JP26 and JP22) and two connectors on the audio board (JP1 and JP2). The connectors are different sized to ensure correct placement when reinstalling the audio board.
PC Card Cage PC Card cage (top and bottom) main board connector JP11 P4 P3 P1 (screws P1–P4 are 13 mm) P2 ground springs (2) 13 mm Figure 4-37. PC Card Cage Removal To remove the PC card cage, follow these steps: 1. Remove the main board. Use a support for the main board to prevent the board from flexing when the card cage screws are removed 2. Remove PC Card cage screws P1, P2, P3, and P4. Screws P2 and P4 have ground springs attached.
Latch Assembly spring latch Figure 4-38. Latch Assembly Removal To remove the latch assembly, follow these steps: 1. Remove the latch assembly from the base assembly. Use the fingers of one hand and lift the assembly from its recess in the base assembly. The latch assembly is held in place only by pressure. 2. Remove the spring from the latch. Be careful not to lose the small spring that is part of the latch assembly.
Kensington Lock Plate Kensington lock plate base assembly Figure 4-39. Kensington Lock Plate Removal Use a screwdriver to lift the Kensington lock plate from its recess in the base assembly. The plate is held in place only by pressure.
12.1-Inch LCD Components The 12.1-inch LCD assembly consists of the following components: • • • • • • • Front bezel LCD panel Inverter board and cable Hinges Bracket Back cover LCD flex cable The following subsections provide removal and replacement procedures for these components and assumes that the 12.1-inch LCD assembly has been removed from the computer. See “LCD Assembly” found earlier in this chapter. 12.
3. Remove front bezel screws F1, F2, F3, and F4. 4. Separate the front bezel from the back cover. With the bottom of the LCD assembly facing you (cables end), insert your fingertips between the LCD panel and the front bezel. Start in the center of the bezel and work out to the corners. With a peel-back-and-push motion, separate the front bezel from the hidden tabs on the back cover. Do not put pressure on the LCD panel with your knuckles; microscopic fractures in the panel could result.
12.1-Inch LCD Panel LC1 LCD panel LC4 flex-cable connector LC2 LCD flex cable LCD-toinverter cable LC3 back cover (screws LC1–LC4 are 5 mm) connector CN1 5 mm inverter board . Figure 4-41. 12.1-Inch LCD Panel Removal To remove the 12.1-inch LCD panel, follow these steps: 1. Remove the front bezel. See the previous subsection, “12.1-Inch LCD Front Bezel.” 2. Remove LCD panel screws LC1, LC2, LC3, and LC4. 3. Remove the LCD Panel. NOTE: Be careful when removing any part of the LCD flex cable.
12.1-Inch LCD Inverter Board back cover inverter board connector CN2 snaps (2) inverter cable . Figure 4-42. 12.1-Inch Inverter Board Removal To remove the 12.1-inch inverter board, follow these steps: 1. Remove the front bezel. See “12.1-Inch LCD Front Bezel” found earlier in this section. 2. Remove the LCD panel. See the previous subsection, “12.1-Inch LCD Panel.” You may not want to remove this panel if you are replacing only the inverter board. 3.
12.1-Inch LCD Hinges H5 H6 latch H7 H8 hinges (2) H9 H10 back cover (screws H6, H7, H9, and H10 are 5 mm) 5 mm (screws H5 and H8 are 5 mm) 5 mm Figure 4-43. 12.1-Inch LCD Hinges Removal To remove the 12.1-inch LCD hinges, follow these steps: 1. Remove the front bezel. See “12.1-Inch LCD Front Bezel” found earlier in this section. 2. Place the back cover down on a work surface. 3. Remove the hinge screws H6, H7, H9, and H10. You may need to loosen screws H5 and H8 to free the hinges. 4.
12.1-Inch LCD Bracket H5 back cover H8 bracket (screws H5 and H8 are 5 mm) 5 mm Figure 4-44. 12.1-Inch LCD Bracket Removal To remove the 12.1-inch LCD bracket, follow these steps: 1. Remove the front bezel. See “12.1-Inch LCD Front Bezel” found earlier in this section. 2. Remove the LCD panel. See “12.1-Inch LCD Panel” found earlier in this section. 3. Remove the hinges. See the previous subsection, “12.1-Inch LCD Hinges.” 4. Remove bracket screws H5 and H8. 5. Remove the bracket from the back cover.
13.3-Inch LCD Components The 13.3-inch LCD assembly consists of the following components: • • • • • • • Front bezel LCD panel Inverter board and cable Hinges Bracket Back cover LCD wiring harness The following procedures provide removal and replacement procedures for these components, and assume that the 13.3-inch LCD assembly has been removed from the computer. See “LCD Assembly” found earlier in this chapter. 13.
4. Separate the front bezel from the back cover. With the bottom of the LCD assembly facing you (cables end), insert your fingertips between the LCD panel and the front bezel. Start in the center of the bezel and work out to the corners. With a peel-back-and-push motion, separate the front bezel from the hidden tabs on the back cover. Do not put pressure on the LCD panel with your knuckles; microscopic fractures in the panel could result.
13.3-Inch LCD Panel LC6 (screws LC5–LC8 are 6 mm) LCD panel LC5 6 mm LC7 (screw GS1 is 3 mm) 3 mm GS1 LC8 back cover LCD-to-inverter cable LCD cable harness inverter cable connector CN2 NOTE: The inverter board is installed with the component side down, next to the back cover. Figure 4-46. 13.3-Inch LCD Panel Removal To remove the 13.3-inch LCD panel, follow these steps: 1. Remove the front bezel. See the previous subsection, “13.3-Inch LCD Front Bezel.” 2.
3. Remove the LCD panel. NOTE: Be careful when removing any part of the LCD cable harness. Lift up the LCD panel, and disconnect the LCD cable harness from connector J1 on the back of the LCD panel (for an IBM panel, hold the cable ground strap in place with one hand and peel back the EMI tape covering that holds the ground strap in place on the cable). Disconnect the LCD-to-inverter cable from inverter-board connector CN2 on the side of the inverter board next to the back cover (see Figure 4-47).
13.3-Inch LCD Inverter Board locating holes (2) inverter board connector CN1 LCD cable harness inverter cable connector CN2 tabs (4) . Figure 4-47. 13.3-Inch Inverter Board Removal To remove the 13.3-inch inverter board, follow these steps: 1. Remove the front bezel. See “13.3-Inch LCD Front Bezel” found earlier in this section. 2. Remove the LCD panel. See the previous subsection, “13.3-Inch LCD Panel.” 3. Remove the inverter board from the four tabs holding it to the back cover.
13.3-Inch LCD Hinges H12 hinges (2) H13 H14 H15 (screws H12–H15 are 5 mm) back cover 5 mm Figure 4-48. 13.3-Inch LCD Hinges Removal To remove the 13.3-inch LCD hinges, follow these steps: 1. Remove the front bezel. See “13.3-Inch LCD Front Bezel” found earlier in this section. 2. Place the back cover on a work surface. 3. Remove hinge screws H12, H13, H14, and H15. 4. Remove the hinges from the back cover. The bracket does not have to be taken off to remove the hinges.
13.3-Inch LCD Bracket EPE foam LCD cable harness BR1 bracket BR2 BR3 (screws BR1–BR3 are 5 mm) back cover 5 mm Figure 4-49. 13.3-Inch LCD Bracket Removal To remove the 13.3-inch LCD bracket, follow these steps: 1. Remove the front bezel. See “13.3-Inch LCD Front Bezel” found earlier in this section. 2. Remove the LCD panel. See “13.3-Inch LCD Panel” found earlier in this section. 3. Remove the hinges. See the previous subsection, “13.3-inch LCD Hinges.” 4. Remove the bracket from the back cover.
Start in the lower left corner. Insert a plastic wedge under the bracket and apply pressure upward to free the bracket from the back cover. Insert another plastic wedge one tab at a time along one side of the bezel. Free the bracket from the one corner and this frees the bottom of the bracket. Free the bracket from one side. Repeat the procedure on the other side. Freeing the sides will free the bottom of the bracket. Finally, free the bracket from the top of the bezel.
Index A C AC adapter connector, 1-3 removal, 4-4 Caps Lock indicator, 1-4 AC Power indicator, 1-5 assembly, 12.1-inch LCD panel removal, 4-59 assembly, 13.
display close/suspend button, 1-3 latch, 1-3 location, 1-3 DVD-ROM drive disassembly, 4-31 location (options bay), 1-3 removal, 4-8 location, 1-3 removal, 4-7 heat sink removal, 4-35 help, 2-5 I I/O connector, illustrated, 1-3 E eliminating resource conflicts, 2-4 error messages, 3-2, 3-5 ESD, 4-3 expansion connector, 1-3 exploded views 12.1-inch LCD assembly, 4-11 13.
L N latch assembly removal, 4-55 location, 1-3 Num Lock indicator, 1-4 LCD assembly location, 4-37 removal, 4-37 O LCD assembly, 12.1-inch bracket removal, 4-62 front bezel removal, 4-57 hinges removal, 4-61 inverter board removal, 4-60 LCD panel removal, 4-59 LCD assembly, 13.
R removal and replacement procedures computer orientation, 4-1 precautionary measures, 4-3 recommended tools, 4-1 replicator removing computer from, 4-4 system features, 1-1 overview, 1-1 power, 1-7 system error messages about, 3-2 Dell Diagnostics, 3-4 list of, 3-2 resource conflicts eliminating, 2-4 T S save-to-disk suspend mode, 1-8 save-to-RAM suspend mode, 1-7 screws identification and tightening, 4-2 location template, 4-32 Scroll Lock indicator, 1-4 secondary battery location (options bay), 1-3 re
Z ZIF connectors disconnecting, 4-9 reconnecting, 4-9 Index 5
6 Dell Inspiron 3000 Series Service Manual
