Dell Inspiron Lm Service Guide

Removing and Replacing Parts 4-5
Keep holding the latch with one hand while pulling the device (diskette 
drive, secondary battery, or CD-ROM) straight out of the options bay with 
the other.
Figure 4-6.  Diskette Drive, Secondary Battery, or CD-ROM 
Removal
7. Remove any PC Cards   
To remove a PC Card from the top connector, press the top eject button 
(identified by an arrow pointing up). To remove a PC Card from the bottom 
connector, press the bottom eject button (identified by an arrow pointing...

4-6 Dell Latitude LM Systems Service Manual
ZIF Connectors 
Some of the computer’s interface connectors are zero insertion force (ZIF) con-
nectors. These connectors are not removable; they must be released to 
disconnect a cable from them.  
To disconnect an interface cable from a ZIF connector, follow these steps: 
1. Insert a small flat-blade screwdriver under the movable part of the 
connector.
For most ZIFs, carefully pry up first one end of the movable part of the con-
nector and then the other...

Removing and Replacing Parts 4-7
Exploded Views of Components and Assemblies 
.
Figure 4-9.  Exploded View—Computer 
LCD panel 
assembly
keyboard
bottom 
assembly
diskette drive,
secondary battery, 
or CD-ROM
hard-disk drive
main battery heat sinklatch (2)
power/ 
suspend 
indicator 

4-8 Dell Latitude LM Systems Service Manual
Figure 4-10.  Exploded View—LCD Assembly    
front bezel
LCD panel
power/suspend indicator
inverter board
inverter board connectormicrophone
latch
back bezel 
LCD panel flex cable
stiffener
hinge (2) 

Removing and Replacing Parts 4-9
.
Figure 4-11.  Exploded View—Top Assembly  
keyboard flex 
cable
keyboard
LCD flex- 
cable cover
power button keyboard screw 
cover (2)
hinge 
cover
touch pad 
button (2)
touch pad 
touch-pad 
button boardinfrared lens
infrared 
board
plastic housing (2) status-display 
panel boardpanel board 
cable speaker (2) touch pad 
bracket heat sink
top 
assembly
spring 

4-10 Dell Latitude LM Systems Service Manual
.
Figure 4-12.  Exploded View—Bottom Assembly   
main boardpower board
audio board
cache boardI/O panel door
I/O bracket
bottom 
assembly
memory module 
cover processor board 

Removing and Replacing Parts 4-11
Factory Repair Parts and Assemblies
This section contains a parts list and procedures for removing and replacing fac-
tory 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 com-
puter. Some parts may only be available as part of a kit or assembly. The 
subsections that follow provide...

4-12 Dell Latitude LM Systems Service Manual
Board Assemblies (Continued)
Board assembly, 133-MHz, service 
kitSVC,SYS,PLN,LMP133ST
Main board  SYS,PLN,3.3V TFT LCD,LMP
Processor board, 133-MHz   CRD,PRCR,LMP133
Card, cache CRD,L2,CACHE,LMP
Heat sink, microprocessor, 
subassemblySUBASSY,HTSNK,CPU,LMP
Board, power supply CRD,CONV,DC-DC,LMP
Insulator, main board INSUL,MYLAR,PWA,LMP
Boards and Cards
Board, status display panel CRD,CNTRL,SPKR,LMP
Board, infrared CRD,IR,LMP
Board, audio CRD,AUDIO,LMP
Cable,...

Removing and Replacing Parts 4-13
Hard-Disk Drive Assemblies
Hard-disk drive, 540-MB, service 
kit*CUS,HD,540MB,I,F2,12.5MM,NBK
Hard-disk drive, subassembly, 
540-MBSUBASSY,HD,540MB,LF2,
12.5MM,NBK
Hard-disk drive, 540-MB HD,540MB,I,F2,12.5MM,NBK
Bracket, hard-disk drive BRKT,HD,12.5MM,LMP
Screws, bracket SCR,3X.5X3,FLH,PNH,MS,ZPS,HD
Hard-disk drive, 810-MB, service 
kit*CUS,HD,810MB,12.5MM,NN,#1,
NBK
Hard-disk drive, 810-MB SUBASSY,HD,810MB,12.5MM,NN,
NBK
Hard-disk drive, 810-MB...

4-14 Dell Latitude LM Systems Service Manual
LCD Assembly
LCD panel, active-matrix color 
display (TFT), 12.1”LCD,TFT,SVGA,12.1”,LMP,IBM
Board, TFT inverter CRD,INVRTR,TFT,LMP
Cable, TFT flex  CBL,LCD,FLEX,TFT,IBM,LMP
Bezel, TFT front BZL,LCD,LMP,IBM
Bezel, TFT back CVR,LCD,LMP,IBM
LCD panel, dual-scan color display 
(STN), 11.3”LCD,STN,SVGA,11.3”,LMP,
SANYO
Board, STN inverter CRD,INVRTR,STN,LMP
Cable, STN flex CBL,LCD,FLEX,STN,SANYO,LMP
Bezel, STN front BZL,LCD,LMP,SANYO
Bezel, STN back...