Dell | Latitude CPt S | SERVICE MANUAL

SERVICE MANUAL
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Information in this document is subject to change without notice.
© 1999 Dell Computer Corporation. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.
Trademarks used in this text:
Dell, the DELL logo, and Latitude are trademarks of Dell Computer Corporation; IBM is a registered trademark of
International Business Machines Corporation.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or th
Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.
May 1999
P/N 5648P Rev. A00
eir products.
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Recommended Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Preparing to Work Inside Your Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Screw Identification and Tightening
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ZIF Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5
Field-Replaceable Parts and Assemblies
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing Field-Replaceable Parts and Assemblies . . . . . . . . . . . . . . . . . . . 12
Hard-Disk Drive Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
Memory Module Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13
Memory Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14
Keyboard Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15
Display Assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
Display Assembly Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18
Display Assembly Latch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
LCD Panel
19
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing the LCD Panel Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20
Palmrest Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20
Reserve Battery
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
Bottom Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22
Modular Bay Devices (Diskette Drive, CD-ROM Drive,
DVD-ROM Drive, SuperDisk LS-120 Drive, Battery,
or Travel Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23
Module Latch Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
System Board Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26
Thermal Cooling Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28
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Figure 1.
Computer Orientation
Figure 2.
Main Battery Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
Figure 3.
Screw Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
Figure 4.
Disconnecting an Interface Cable
Figure 5.
Exploded View—Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
Figure 6.
Hard-Disk Drive Assembly Removal
. . . . . . . . . . . . . . . . . . . . . .
13
Figure 7.
Memory Module Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14
. . . . . . . . . . . . . . . . . . . . . . . . .
1
5
v
Figure 8.
Removing the Keyboard Assembly Screws . . . . . . . . . . . . . . . . . 15
Figure 9.
Keyboard Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
Figure 10. Display Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17
Figure 11. Display Assembly Bezel Removal . . . . . . . . . . . . . . . . . . . . . . . .
18
Figure 12. Removing the Palmrest Assembly Screws . . . . . . . . . . . . . . . . . 20
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Figure 13. Palmrest Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
Figure 14. Bottom Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23
Figure 15. Modular Bay Device Removal . . . . . . . . . . . . . . . . . . . . . . . . . . .
23
Figure 16. Module Latch Assemblies Removal
24
Figure 17. Left Slider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25
Figure 18. System Board Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . .
26
Figure 19. Microprocessor Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27
Figure 20. Thermal Cooling Assembly Removal . . . . . . . . . . . . . . . . . . . . . .
28
Table 1.
Table 2.
vi
. . . . . . . . . . . . . . . . . . . . . .
Screw Placement Mat with Component
Screw Counts and Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
Parts and Assemblies
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
vii
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A prerequisite for using this manual to service Dell computer systems 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,
Dell provides the User’s Guide for troubleshooting procedures and instructions
on using the Dell Diagnostics to test the computer system.
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Throughout this guide, blocks of text may be accompanied by an icon and printed
in bold type or in italic type. These blocks are notes, cautions, and warnings, and
they are used as follows:
NOTE: A NOTE indicates important information that helps you make better use
of your computer system.
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This manual provides instructions for removing and replacing field-replaceable
components, assemblies, and subassemblies in your Dell Latitude portable
computer. Unless otherwise noted, each procedure in this manual assumes
the following conditions:
‡
The computer and any attached peripherals are turned off, and the
peripherals are disconnected from the I/O panel on the back of the
computer.
‡
A part can be replaced by performing the removal procedure in reverse
order.
When the display assembly is open nearly 180 degrees, use a book or
something similar to support it. The angle of the display assembly with
respect to the bottom case should never be allowed to exceed 180 degrees.
Also, when performing the procedures in this manual, the locations or
directions relative to the computer are as shown in Figure 1 unless otherwise
specified.
back of computer
right side
left side
front of computer
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Dell Latitude CPt C-Series/CPi R-Series Service Manual Dell™ Latitude™ CPt C-Series/ CPi R-Series Service Manual
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Most of the procedures in this manual require the use of one or more of the
following tools:
‡
Number 0 and number 1 magnetized Phillips-head screwdriver s
‡
Small flat-blade screwdriver
‡
Small plastic scribe
‡
Processor extractor
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Before you start to work on the computer, perform the following steps:
1.
Save any work in progress and close all open application programs.
2.
Turn off the computer and any attached peripherals.
NOTE: Make sure the computer is turned off and not in suspend-todisk mode. If you cannot shut down the computer using the computer’s
operating system, press the power button for 4 seconds.
3.
If the computer is docked in a C/Dock Expansion Station or C/Port
Advanced Port Replicator (APR), undock the computer.
4.
Disconnect the computer and any attached peripherals from their electrical
outlets to reduce the potential for personal injury or shock. Also disconnect
any telephone or telecommunications lines from the computer.
5.
Remove the power cord.
6.
Disconnect all other external cables from the computer.
7.
Remove any installed PC Cards.
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8.
Remove the main battery assembly from the battery bay.
Slide the battery bay latch toward the right side of the computer. Then slide
the battery out of the battery bay (see Figure 2).
2
Dell Latitude CPt C-Series/CPi R-Series Service Manual
battery bay latch
battery
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9.
Ground yourself by touching the unpainted metal surface of the I/O panel
on the back of the computer.
While you work, periodically touch the I/O panel to dissipate any static
electricity that might harm components.
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The illustrations in the following removal procedures provide the correct screw
length as part of the screw’s label. A graphic for that length screw is also
included in the illustration. Examples are shown in Figure 3. Match the actual
screw to the graphic in the illustration to check for correct length.
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Dell Latitude CPt C-Series/CPi R-Series Service Manual
3
When you are removing and replacing components, photocopy the Table 1
placement mat as a tool to lay out and keep track of the component screws.
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Keyboard
Assembly:
Hard-Disk Drive:
M3 x 3 (1 each)
Display Assembly
Bezel:
M2.5 x 10 (7 each)
Display Assembly:
M2.5 x 4 (3 each)
Display Assembly
Bezel:
Display Assembly
LCD to Top Cover:
M2.5 x 4 (6 each)
M2 x 3 (6 each)
Palmrest Assembly:
System Board:
M2.5 x 20 (5 each)
M2.5 x 4 (2 each)
Microprocessor
Shield:
3 captive and
2 removable screws
Rubber Screw
Covers (4 each)
Plastic Screw
Covers (2 each)
M2 x 3 (5 each)
4
Dell Latitude CPt C-Series/CPi R-Series Service Manual
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Some of the computer’s interface connectors are zero insertion force (ZIF)
connectors. These connectors are not removable, but they must be released
to disconnect a cable from them (see Figure 4).
movable part of
connector
(do not remove)
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To disconnect an interface cable from a ZIF connector, perform the following
steps:
1.
Insert a small flat-blade screwdriver under the movable part of the
connector.
2.
Pull gently upward on the movable part of the connector until it releases
the interface cable.
3.
Grasp the interface cable and pull it out of the connector.
To reconnect an interface cable to a ZIF connector, perform the following
steps:
1.
Use a small flat-blade screwdriver to open the movable part of the ZIF
connector.
2.
Orient the end of the interface cable with the ZIF connector, and insert the
end of the cable into the connector.
3.
While holding the cable in place, close the ZIF connector.
To ensure a firm connection, make sure the ZIF connector is completely
closed.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
5
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Table 2 lists the parts and assemblies available for the computer. Some parts
may only be available as part of a service kit or assembly and are provided for
reference only. The subsections that follow Table 2 provide instructions for
removing and replacing these parts and assemblies.
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Customer kit, AC adapter
CUS, ADPT, AC, EXT, 20V, 70W,
NBK, CRNA
AC adapter
ADPT, AC, EXT, 20V, 70W, 3WIRE,
CRNA
Power cable, U.S.
CORD, PWR, 110V, 6F, AC, 3W\3P,
US
%DWWHU\ 0DLQ
Customer kit, main battery
CUS, BTRY, 14.4V, 8CELL, LITH,
2
2ND
Main battery
BTRY, 50WHR, 14.4V, 8CELL, LITH,
CP
%DWWHU\ 5HVHUYH
Service kit, reserve battery
Reserve battery
SVC, BTRY, RESERVE,CRNA
BTRY, RESERVE, CRNA
%RWWRP &DVH $VVHPEO\
Bottom assembly
ASSY, CVR, BTM, BASE, PLSTC,
14
CRNA
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Service kit, CD-ROM drive
SVC, SUBASSY, CD, 24X, NBK
CD-ROM drive bezel
BZL, CD
24X CD-ROM drive
CD, 650M, I, INT, NBK, 24X, TSHBA
CD-ROM drive interface
PWA, INTERCONN, CD/DVD,
board
OMAHA, CP
Bottom CD-ROM drive
ASSY, BTM/BZL, CD, 24X, TSHBA,
cover
CP
CD-ROM housing
ASSY, HSG, PLSTC, CD/DVD, OMHA, CP
CD-ROM drive label
6
Dell Latitude CPt C-Series/CPi R-Series Service Manual
LBL, CD, MEDIA BAY, TSHB, CP
15
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Diskette drive service kit
SVC, SUBASSY, FD, F3, INT/EXT,
15
CRNA
Diskette drive subassembly
SUBASSY, FD, F3, INT/EXT, CRNA
Diskette drive
FD, F3, CRNA
Diskette drive assembly
CVR, BTM, PLSTC, FD, F3, CRNA
bottom cover
Diskette drive assembly
CVR, TOP, PLSTC, FD, F3, CRNA
top cover
Diskette drive assembly
PWA, INTFC, FD, F3, CRNA
interface board
Diskette drive assembly
CBL, FPC, FD, F3, CRNA
interface cable
Diskette drive assembly
SHLD, FD, F3, CRNA
shield
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LS-120 drive subassembly
SUBASSY, VAS,
15
LS120,120MB,F3,CP
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DVD-ROM drive
SUBASSY, DVD, 4X, MPEGII, TSH-
subassembly
BA, CP
15
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Thermal cooling assembly
ASSY, HTSK, COOLER, PRC
20
(includes fan)
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Hard-disk drive,
SUBASSY, HD,
subassembly
CP
*
xxxxx, yyyMM, zzz ,
6
xxxxx, I, F2, yyMM, zzz *
Hard-disk drive
HD,
Hard-disk drive interface
PWA, INTERCONN, HD, CRNA
board
* Substitute the drive capacity for xxxxx , the drive height for yy, and the
manufacturer for zzz.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
7
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Hard-disk drive carrier
ASSY, CARR, HD, CRNA
6
assembly
Hard-disk drive carrier
DOOR, HD, 12.7MM, CRNA
door
Hard-disk drive carrier
CARRIER, HD, 12.7MM, MET,
bracket
CRNA
Hard-disk drive mylar
MYLAR, CARRIER, HD
carrier
Hard-disk drive carrier
SCR, M3X3, KSH, MS, LP, BLO
screws
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8
Keyboard, Belgian
KYBD, 88, BEL, CRNA
Keyboard, Chinese
KYBD, 87, CHI, CRNA
Keyboard, Danish
KYBD, 88, DEN, CRNA
Keyboard, French
KYBD, 88, FR, CRNA
Keyboard, French/Canadian
KYBD, 87, FR CAN, CRNA
Keyboard, German
KYBD, 88, GER, CRNA
Keyboard, Italian
KYBD, 88, ITALIAN, CRNA
Keyboard, Japanese
KYBD, 90, JPN, CRNA
Keyboard, Korean
KYBD, 87, KOR, CRNA
Keyboard, Latin American
KYBD, 88, LAC, CRNA
Keyboard, Norwegian
KYBD, 88, NOR, CRNA
Keyboard, Portuguese
KYBD,88,PORTUGEUSE,CRNA
Keyboard, Russian
KYBD, 87, RUS, CRNA
Keyboard, Spanish
KYBD, 88, SPN, CRNA
Keyboard, Swedish/Finnish
KYBD, 88, SWE, CRNA
Keyboard, Swiss
KYBD, 88, SWI, CRNA
Keyboard, Thai
KYBD, 87, THAI, CRNA
Keyboard, English (U.K.)
KYBD, 88, UK, CRNA
Keyboard, English (U.S.)
KYBD, 87, DOM, CRNA
Dell Latitude CPt C-Series/CPi R-Series Service Manual
9
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Display top-cover service kit,
ASSY, CVR, TOP, LCD, CRNA
14.1-inch display
Display top cover
CVR, TOP, LCD, TFT, CRNA
Cable
ASSY, CBL, FLX, TFT
Right hinge
HNG, RT, LCD, TFT
Left hinge
HNG, LF, LCD, TFT
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14.1-inch LCD/Cable service
kit, including LCD, cable,
SVC, LCD/CBL/INV, TFT,
*
CRNA
zzz ,
14.1”
,
11
inverter
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Display latch assembly
ASSY, LATCH, SPR, DIS, CRNA
0HPRU\
Customer kit, memory
32MB, DIMM, SDRAM, LAT CRNA,
module, 32-MB
FACT
Customer kit, memory
64MB, DIMM, SDRAM, LAT CRNA,
module, 64-MB
FACT
Customer kit, memory
128MB, DIMM, SDRAM, LAT
module, 128-MB
CRNA, FACT
Customer kit, memory
192MB, DIMM, SDRAM, LAT
module, 192-MB
CRNA, FACT
Customer kit, memory
256MB, DIMM, SDRAM, LAT
module, 256-MB
CRNA, FACT
0HPRU\ 'RRU
Service kit, memory door
SVC, SUBASSY, DOOR, MEM/
assembly
BIOS, CRNA
Memory/BIOS door
SUBASSY, DOOR, MEM/BIOS, NB,
subassembly
CRNA
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Service kit, palmrest
ASSY, PLMRST, CRNA
12
assembly
Palmrest assembly
ASSY, PLMRST, GRY, CRNA
Subassy, TPad, Brace
SUBASSY, TPAD, BRACE
* Substitute the drive capacity for xxxxx , the drive height for yy, and the
manufacturer for zzz.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
9
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Touch pad
TPAD, SGL, CHIP, INTEFC, CP/CPi
Cbl, Flx, TPad
CBL, FLX, TPAD
Plmrst, Plstc
PLMRST, PLSTC
Speaker (2 each)
SPKR, 20X40, 1W, 8OHMS
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LCD panel
SCR, M2X4.5, PHH, LP, ZPS
11
LCD hinge
SCR, M3X5, PHH, LP, ZPS
11
LCD bezel
SCR, M2X4.5, PHH, LP, ZPS
11
Keyboard
SCR, M2.6X12, PHH, LP, ZPS
9
Hard-disk drive carrier
SCR, M3X3, PHH, LP, ZPS
screws
Thermal cooling assembly
SCR, M2X3.5, PHH, LP, ZPS
Touch pad
SCR, M2.6X1.8, PHH, XLP, ZPS
Palmrest, front edge
SCR, M2.6X12, PHH, LP, ZPS
Palmrest, hard-disk drive
SCR, M2.6X5, PHH, LP, ZPS
20
12
area
Bottom-case bracket
SCR, M2.6X5, PHH, LP, ZPS
Exhaust fan
SCR, M2.6X12, PHH, LP, ZPS
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System board assembly,
SVCKIT, MB ASSY, PWA, ENGINE,
CRNA, service kit
CRNA
Service tag installation
DSK, BIOS, FLDSVC, F3, US, CP
diskette
BIOS flash diskette
KIT, BIOS, FLASH, UPG, F3, CP
Diagnostic diskette
KIT, DSK, DIAG, F3, CRNA, WW
System board assembly
ASSY, PWA, ENGINE, CRNA
Main system board
PWA, PLN, 0M, NB, CRNA
Exhaust fan and
FAN, 25X25X10, CRNA
cable
10
Thermal cooling
SVC, SUBASSY, HTSNK, CPU, HYB,
assembly
CRNA
Dell Latitude CPt C-Series/CPi R-Series Service Manual
18
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Microprocessor, CRNA,
SVC, PRM, PCA
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xxx MHz
Service Kit
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Microprocessor shield
ASSY, SHLD, EMI, PRC, MET
Kit-SVC, latch, slider,
LTCH, BTN, Module
BTN
Foot, Rbr, Blk
Foot, Rbr, Blk
(4 each)
Foot, Rbr, Strike Zone,
Foot, Rbr, Strike Zone, Blk
Blk
Dell Latitude CPt C-Series/CPi R-Series Service Manual
11
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DQG $VVHPEOLHV
display
assembly
keyboard
palmrest
assembly
hard-disk drive
system board
main battery
bottom case assembly
modular bay
device
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The following subsections provide instructions for removing and replacing
field-replaceable parts and assemblies.
12
Dell Latitude CPt C-Series/CPi R-Series Service Manual
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bottom of computer
5-mm screw
hard-disk drive door
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WKH PDLQ EDWWHU\ EHIRUH \RX VHUYLFH WKH FRPSXWHU
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DVVHPEO\ E\ LWV HGJHV GR QRW VTXHH]H WKH WRS RI WKH KDUGGLVN GULYH
FDVH DQG DYRLG GURSSLQJ LW
&$87,21 0DNH VXUH WKDW WKH ZRUN VXUIDFH LV FOHDQ WR SUHYHQW
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1.
Turn the computer over, and remove the 5-mm screw from the center of
the hard-disk drive door (see Figure 6).
The drive is on the left side of the computer .
2.
Grasp the drive door and pull the drive out of the computer.
0HPRU\0RGXOH&RYHU
&$87,21 7R DYRLG GDPDJLQJ WKH V\VWHP ERDUG \RX PXVW UHPRYH
WKH PDLQ EDWWHU\ EHIRUH \RX VHUYLFH WKH FRPSXWHU
&$87,21 0DNH VXUH WKDW WKH ZRUN VXUIDFH LV FOHDQ WR SUHYHQW
VFUDWFKLQJ WKH FRPSXWHU FRYHU
1.
Close the display, and turn the computer upside down on a flat work
surface.
2.
Release the memory module cover.
Insert a flat-bladed screwdriver under the indentation in the bottom case
assembly and lift the cover.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
13
0HPRU\0RGXOHV
DIMM A
inner tabs
DIMM B
(2 per socket)
memory
module sockets
(2)
)LJXUH 0HPRU\ 0RGXOH 5HPRYDO
&$87,21 7R DYRLG GDPDJLQJ WKH V\VWHP ERDUG \RX PXVW UHPRYH
WKH PDLQ EDWWHU\ EHIRUH \RX VHUYLFH WKH FRPSXWHU
1.
Remove the memory module cover.
2.
To avoid possible damage to the memory module from electrostatic
discharge (ESD), ground yourself by touching the unpainted metal surface
of an I/O connector on the computer’s back panel.
3.
To release a memory module from its socket, carefully spread apart
the inner tabs of the memory module socket just far enough for the
memory module to disengage from the socket (it should pop up slightly)
(see Figure 7).
4.
Lift the memory module out of its socket.
If you only have one memory module, install it in the DIMM A socket. Memory
modules are keyed, or designed to fit into their sockets in only one direction.
The slots on the system board are notched so that the memory module can be
firmly seated only one way.
Align the memory module’s edge connector with the slot in the center of the
memory module socket. With the module at a 45-degree angle, press the
memory module’s edge connector firmly into the memory module socket.
Pivot the memory module down until it clicks into place. If you do not hear a
click as each end of the memory module snaps into the tabs, remove the
memory module and reinstall it.
NOTE: 192-MB memory modules are designed for either the socket labeled
DIMM A or the socket labeled DIMM B; they are not interchangeable. Be sure
that the memory module is inserted with the double-stacked memory chips
facing you. A 192-MB memory module inserted with the double-stacked
memory chips facing down does not fit properly in the socket.
14
Dell Latitude CPt C-Series/CPi R-Series Service Manual
.H\ERDUG$VVHPEO\
To remove the keyboard assembly, perform the following steps.
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1.
Close the display assembly, and turn the computer upside down on a flat
work surface.
10-mm screws ( 7)
)LJXUH 5HPRYLQJ WKH .H\ERDUG $VVHPEO\ 6FUHZV
2.
Remove the seven 10-mm screws, labeled with a “circle K,” that secure
the keyboard to the computer (see Figure 8).
3.
Turn the computer right-side up and open the display.
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DQG WLPHFRQVXPLQJ WR UHSODFH %H FDUHIXO ZKHQ UHPRYLQJ DQG
KDQGOLQJ WKH NH\ERDUG
4.
Release the keyboard from the palmrest assembly by inserting a small
flat-bladed screwdriver under the edge of the blank key (see Figure 9),
and lift the right edge of the keyboard.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
15
5.
Once the keyboard is fully removed from the palmrest, lift the keyboard
and disconnect the keyboard cable from the connector on the system board.
NOTE: Take notice of the position of the keyboard cable connection on the
system board.
6.
Remove the keyboard assembly.
keyboard
scalloped edge
of blank key
keyboard
cable
palmrest
)LJXUH .H\ERDUG $VVHPEO\ 5HPRYDO
To replace the keyboard assembly, perform the following steps.
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QHFWHG WR WKH V\VWHP ERDUG
1.
Connect the keyboard cable to connector on the system board.
2.
Fit the keyboard into place.
3.
To push the keyboard down, press on the blank key located below the right
<Shift> key.
4.
Check that the keyboard is correctly installed. The keys should be flush
with the left and right surfaces of the palmrest.
5.
16
Reinstall the seven 10-mm screws.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
'LVSOD\$VVHPEO\
display assembly
hinge cover
display-assembly interface cable
bottom case assembly
4-mm screws (3)
)LJXUH 'LVSOD\ $VVHPEO\
&$87,21 7R DYRLG GDPDJLQJ WKH V\VWHP ERDUG WKH EDWWHU\ PXVW EH
UHPRYHG EHIRUH \RX VHUYLFH WKH FRPSXWHU
1.
Remove the keyboard.
2.
Remove the three 4-mm screws, labeled with a “circle D,” from the back
of the computer (see Figure 10).
3.
Disconnect the display-assembly interface cable from the connector on the
system board by pulling the connector straight up.
4.
Lift the display assembly from the bottom case assembly.
NOTE: Pry the hinge cover loose from the bottom assembly using a flat
tool or your fingertips.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
17
'LVSOD\$VVHPEO\%H]HO
l
rubber screw covers (4)
display assembly bezel
4-mm screws (6)
plastic screw
covers (2)
LCD panel
latch
hinge cover
display-assembly
interface cable
display-assembly top cover
3-mm screws (6)
)LJXUH 'LVSOD\ $VVHPEO\ %H]HO 5HPRYDO
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1.
Use a scribe to carefully pry the four rubber screw covers out of the four
screw holes located at the top of the bezel on the front of the display
assembly.
2.
Remove the four 4-mm screws located at the top of the bezel on the front
of the display assembly (see Figure 11).
18
Dell Latitude CPt C-Series/CPi R-Series Service Manual
3.
Use a scribe to carefully pry the two plastic screw covers out of the two
screw holes located at the bottom of the bezel on the front of the display
assembly.
4.
Remove the two 4-mm screws from the bottom of the bezel.
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DYRLG EUHDNLQJ WKH WDEV RII
5.
Separate the bezel from the display-assembly top cover.
The bezel is secured by three tabs on the left and right side of the displayassembly top cover. Lift the bezel to remove it from the display assembly.
'LVSOD\$VVHPEO\/DWFK
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1.
Remove the display assembly bezel.
2.
Remove the display assembly latch by unsnapping the latch and captive
spring from the inside of the display assembly top-cover assembly
(see Figure 11).
/&'3DQHO
&$87,21 7R DYRLG GDPDJLQJ WKH V\VWHP ERDUG \RX PXVW UHPRYH
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1.
Remove the keyboard.
2.
Remove the display.
3.
Remove the display assembly bezel.
4.
Remove the three 3-mm screws on the right side of the LCD panel and the
three 3-mm screws on the left side of the LCD panel (see Figure 11).
5.
Lift and rotate the top of the LCD panel out of the top cover. Disconnect
the ZIF connector and the display-assembly interface cable connector.
6.
Lift the LCD panel out of the top cover.
NOTES: Remove and replace the LCD panel as a complete assembly.
Use a magnetic screw driver to reassemble the LCD panel in the display.
Secure the right side first.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
19
5HPRYLQJWKH/&'3DQHO&DEOH
1.
Remove the 4-mm screw securing the metal cable clip to the left hinge of
the display-assembly top cover (see Figure 11).
2.
Remove the cable out from under the plastic strain relief retainer located
on the bottom of the display-assembly hinge cover.
3.
Remove the clip from the bottom of the hinge cover located at the bottom
of the display assembly.
4.
Pry the hinge-cover assembly apart from the display assembly, and slide
the cable through the opening.
3DOPUHVW$VVHPEO\
The palmrest assembly consists of the touch pad and the palmrest.
20-mm
screws (5)
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20
1.
Remove the keyboard.
2.
Remove the display.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
&$87,21 0DNH VXUH WKDW WKH ZRUN VXUIDFH LV FOHDQ WR SUHYHQW
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3.
Turn the computer upside down on a flat work surface.
4.
Remove the five 20-mm screws that secure the palmrest to the computer.
These screws, labeled with a “circle P,” are located underneath the front
edge of the computer (see Figure 12).
5.
Turn the computer right-side up on the work surface.
6.
Use the pull loop to disconnect the touch-pad cable from the connector on
the system board (see Figure 13).
pull loop
palmrest assembly
touch-pad
cable connector
bottom case assembly
)LJXUH 3DOPUHVW $VVHPEO\ 5HPRYDO
7.
Carefully remove the palmrest assembly from the bottom case assembly
(see Figure 13).
The speakers are located in the palmrest bracket assembly.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
21
5HVHUYH%DWWHU\
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UHDOWLPH FORFN 57& DQG QRQYRODWLOH UDQGRPDFFHVV PHPRU\
195$0 ZKHQ WKH FRPSXWHU LV WXUQHG RII 5HPRYLQJ WKH EDWWHU\
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WKLV LQIRUPDWLRQ EHIRUH \RX UHPRYH WKH UHVHUYH EDWWHU\
To remove the reserve battery, perform the following steps:
1.
Remove the keyboard assembly.
2.
Remove the display assembly.
3.
Remove the palmrest assembly.
4.
Turn the palmrest assembly over.
5.
Remove the two 4-mm screws securing the palmrest bracket.
6.
Lift the palmrest bracket and turn it over, taking care not to twist the touchpad cable.
7.
Disconnect the reserve battery cable from the connector on the palmrest
bracket.
8.
Remove the reserve battery from the palmrest bracket as follows:
a.
Tear the reserve battery free from the foam pad.
b.
Remove the remnants of the foam pad from the palmrest bracket.
NOTE: When you replace the reserve battery, first connect the reserve battery
cable to the connector on the palmrest bracket. Then position the reserve
battery on the palmrest bracket to minimize slack in the cable.
%RWWRP$VVHPEO\
The bottom assembly consists of the following field-replaceable components:
‡
Modular bay device (d iskette drive assembly, CD-ROM drive assembly,
DVD-ROM drive assembly, SuperDisk LS-120 drive, battery, or travel
module)
22
‡
Module latch assemblies
‡
System board assembly
‡
Bottom case cover
Dell Latitude CPt C-Series/CPi R-Series Service Manual
system board
hard-disk drive
main battery
bottom case assembly
modular bay
device
)LJXUH %RWWRP $VVHPEO\
0RGXODU%D\'HYLFHV'LVNHWWH'ULYH
&'520 'ULYH'9'520'ULYH6XSHU'LVN
/6'ULYH%DWWHU\RU7UDYHO0RGXOH
latch lock
)LJXUH 0RGXODU %D\ 'HYLFH 5HPRYDO
NOTE: You do not need to remove the main battery prior to this procedure .
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Dell Latitude CPt C-Series/CPi R-Series Service Manual
23
1.
Close the display and turn the computer over .
2.
Remove the device from the modular bay.
Push the module latch toward the unlock icon. Keep holding the latch open
while pulling the device out of the modular bay with the other hand.
0RGXOH/DWFK$VVHPEOLHV
plungers (2)
module latch assembl
ies ( 2)
spring s (2)
location of
snap tabs (2)
bottom case assembly
module latches (2)
)LJXUH 0RGXOH /DWFK $VVHPEOLHV 5HPRYDO
&$87,21 7R DYRLG GDPDJLQJ WKH V\VWHP ERDUG \RX PXVW UHPRYH
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24
1.
Remove the main battery and remove the device from the modular bay.
2.
Remove the keyboard assembly.
3.
Remove the display assembly.
4.
Remove the palmrest assembly.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
5.
Remove the left latch from the outside of the bottom case assembly by
carefully squeezing the snap tabs to unsnap the module latch assembly.
Keep pressure applied to the module latch assembly while unsnapping the
snap tabs to prevent the module latch assembly from coming loose from
the case. If the module latch assembly does come loose from the case:
a.
Carefully reinsert the spring onto the plunger on the module latch, and
reinstall the module latch assembly into the holding features on the
inside of the case.
b.
Ensure that the plunger is inserted in its respective hole, that the side
of the latch with the two bumps is facing the back of the case, and
that the surface with the wear ribs is facing the bottom of the case
(see Figure 17).
6.
Snap in the new latch from the bottom of the base, making certain its snap
features are fully engaged on the inside of the case.
7.
Ensure that the newly installed latch moves smoothly and freely when
pushed and released.
8.
Repeat steps 1 through 3 for the latch on the right side.
bump side
wear ribs
(2)
)LJXUH /HIW 6OLGHU
Dell Latitude CPt C-Series/CPi R-Series Service Manual
25
6\VWHP%RDUG$VVHPEO\
system board assembly
4-mm screws (2)
bottom case assembly
)LJXUH 6\VWHP %RDUG $VVHPEO\ 5HPRYDO
The system board’s basic input/output system (BIOS) chip contains the system
service tag number, which is also visible on a bar-code label on the bottom of
the computer. The replacement kit for the system board assembly includes a
diskette that provides a utility for transferring the service tag number to the
replacement system board assembly.
&$87,21 7R DYRLG GDPDJLQJ WKH V\VWHP ERDUG \RX PXVW UHPRYH
WKH PDLQ EDWWHU\ EHIRUH \RX VHUYLFH WKH FRPSXWHU
1.
Remove the keyboard assembly.
2.
Remove the display assembly.
3.
Remove the palmrest assembly.
&$87,21 7R HQVXUH PD[LPXP FRROLQJ IRU WKH PLFURSURFHVVRU GR QRW
WRXFK WKH KHDW WUDQVIHU DUHDV RQ WKH WKHUPDO FRROLQJ DVVHPEO\ 7KH
RLOV LQ \RXU VNLQ UHGXFH WKH KHDW WUDQVIHU FDSDELOLW\ RI WKH WKHUPDO
SDGV
26
Dell Latitude CPt C-Series/CPi R-Series Service Manual
4-mm screws (2)
microprocessor shield
captive screws (3)
thermal cooling
assembly arm
white marks on the
microprocessor board (2)
microprocessor module
)LJXUH 0LFURSURFHVVRU 0RGXOH
4.
Remove the two 4-mm screws securing the thermal cooling assembly to
the microprocessor module (see Figure 19).
5.
Loosen the three captive screws securing the microprocessor shield to the
microprocessor module.
6.
7.
Remove the microprocessor shield.
Rotate the arm of the thermal cooling assembly up and away from the
microprocessor module.
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8.
Use a microprocessor extractor tool to remove the microprocessor
module.
The tool fits on the left side of the module aligned with white marks on the
front and back edge of the processor board (see Figure 19).
9.
Remove any PC Cards or plastic blanks from the PC Card slot.
10. Verify that the PC Card ejectors do not extend from the PC Card slot.
11. Remove the following two screws from the system board assembly
(see Figure 18):
‡
The 4-mm screw with captive washer located on the far left side of the
computer between the hard-disk drive assembly and the PC Card slot.
Dell Latitude CPt C-Series/CPi R-Series Service Manual
27
‡
The 4-mm screw with captive washer located on the far right side of
the computer in front of the TCA and to the right of the microprocessor
module.
NOTE: Locate these screws by looking for the white circles on the system
board that outline the captive washers.
12. Lift the system board assembly out of the bottom case assembly.
Be sure to transfer the memory module(s) to the replacement system board
assembly.
After replacing the system board assembly, be sure to enter the system’s
service tag number into the BIOS of the replacement system board assembly.
Insert the diskette that accompanied the replacement system board assembly
into the diskette drive, and turn on the computer. Follow the instructions on the
display screen.
When you reinstall the microprocessor module in the system board, make
sure to align the microprocessor connector on the left side of the board and
press down to insert the module connector. When the microprocessor module
is seated, all four corners must be at the same height. If one or more corners
of the module are higher than the others, the module is not seated correctly.
Rotate the arm of the thermal cooling assembly into place and replace the
microprocessor shield. Tighten the three captive screws on the corners of the
shield to secure the microprocessor module and shield. Replace the two
4-mm screws that secure the thermal cooling assembly arm and shield to the
microprocessor module.
7KHUPDO&RROLQJ$VVHPEO\
4-mm screws (2)
thermal cooling assembly
and exhaust fan
)LJXUH 7KHUPDO &RROLQJ $VVHPEO\ 5HPRYDO
&$87,21 7R DYRLG GDPDJLQJ WKH V\VWHP ERDUG \RX PXVW UHPRYH
WKH PDLQ EDWWHU\ EHIRUH \RX VHUYLFH WKH FRPSXWHU
28
Dell Latitude CPt C-Series/CPi R-Series Service Manual
1.
Remove the keyboard assembly.
2.
Remove the display assembly.
3.
Remove the palmrest assembly.
4.
Disconnect the exhaust-fan power cable from the connector on the system
board.
5.
Remove the two 4-mm screws securing the thermal cooling assembly and
exhaust fan, and then remove the thermal cooling assembly and exhaust
fan (see Figure 20).
Dell Latitude CPt C-Series/CPi R-Series Service Manual
29
30
Dell Latitude CPt C-Series/CPi R-Series Service Manual
,QGH[
%
*
battery (in modular bay)
grounding to dissipate static
removal,
23
electricity,
3
bottom assembly
components,
illustrated,
22
23
+
hard-disk drive assembly
&
removal,
CD-ROM drive
removal,
13
.
23
keyboard assembly
'
removal,
diskette drive
removal,
/
23
display assembly
bezel, removal,
15
18
LCD panel
removal,
19
LCD panel cable
)
removal,
20
field-replaceable parts and
assemblies
illustrated,
list of,
12
6
Index
1
0
6
memory module
screw identification and tightening,
removal,
14
memory module cover
removal,
13
modular bay devices
removal,
23
module latch assemblies
removal,
memory module,
SuperDisk LS-120 drive
removal,
23
system board assembly
removal,
26
7
thermal cooling assembly
palmrest assembly
29
removal,
tools,
28
2
travel module
removal,
5
reserve battery
removal,
22
23
=
ZIF connectors,
2
14
24
3
removal,
sockets
Dell Latitude CPt C-Series Service Manual
5
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