Dell Latitude CPt V/CPt S Series CPx H/CPx J Series Laptops user manual
Contents
1. Disconnecting a Cable from an Interface Connector 5 gure 5 Exploded View Computer 10 gure 6 Hard Disk Drive Assembly Removal 11 gure 7 Modular Bay Device Removal 12 gure 8 Memory Module Removal 13 gure 9 Removing the Keyboard Assembly Screws 14 gure 10 Keyboard Assembly Removal 15 gure 11 Keyboard and Track Stick Cables and Connectors 16 gure 12 Microprocessor Module Removal 18 gure 13 Display Assembly 20 gure 14 14 1 Inch Display Assembly Bezel 21 gure 15 Display Assembly Bezel bottom view 23 gure 16 12 1 Inch Display Assembly 25 gure 17 12 1 LCD Flex Cable EE eie 27 gure 18 12 1 Inch LCD Inverter 28 gure 19 Removing the Palmrest Assembly Screws 30 Tables mamma Table 1 Table 2 gure 20 gure 21 gure 22 gure 23 gure 24 gure 25 Palmrest Assembly Removal 31 ModemAssembly 33 System Board Assembly 35 Thermal Cooling Assembly Removal 36 Module Latch Assemblies Removal 37 Left Module Latch and Spring 38 Screw Placeme2. Find the manufacturer s name on the back of the LCD panel that is to be installed NOTICE The LCD flex cable must be folded correctly before the cable connector can be attached to the connector on the LCD panel 26 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 7 Fold the LCD flex cable at the crease as shown in Figure 17 so that the name of the LCD panel manufacturer faces up The manufacturer is either Torisan Sanyo or Sharp The connectors are identical on the Torisan and Sharp LCD panels but they are mounted reverse with respect to each other This means that pin 1 on the Torisan panel connector is at the opposite end when compared to pin 1 on the Sharp panel connector The LCD flex cable can connect to either panel by making one fold to the cable The words Torisan and Sharp are printed on the cable see Figure 17 If you are installing a Torisan LCD panel fold the cable at the crease so the word Jorisan is facing up If you are installing a Sharp LCD panel fold the cable at the crease so the word Sharp is facing up Fold for a Sharp LCD Panel Fold for a Torisan LCD Panel curled back to connect to panel crease crease underneath on top Figure 17 12 1 Inch LCD Flex Cable Replacing the 12 1 Inch LCD Panel Inverter To replace the 12 1 inch display LCD panel inverter perform the following steps 1 Find the manufacturer s name on the back of the LCD panel that is to be install
3. LCD flex cable must be folded correctly before the cable connector can be attached to the connector on the LCD panel see Figure 17 5 Carefully connect the LCD flex cable to the connector on the left edge of the LCD panel The flex cable must be curled back to connect to the LCD panel see Figure 17 Do not force the LCD flex cable into the connector If you have trouble check to make sure the LCD flex cable is folded correctly and try again 6 Lay the LCD panel in the top cover 28 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual support dell com 7 Connect the two wire back light plug to the connector on the inverter When the plug is all the way in the connector the key slot in the center of the plug should not be visible If you can see the key slot the plug is not in the connector correctly Pull the plug out turn the plug over and reinsert it into the connector 8 Reinstall the four 5 mm screws to secure the LCD panel to the top cover Display Assembly Latch NOTICE To avoid damaging the system board you must remove the main battery before you service the computer 1 2 a gt Remove the main battery and secondary battery if present Remove the device from the modular bay if present Remove the display assembly Remove the LCD panel Remove the display assembly bezel latch by unsnapping the latch and Captive spring from the inside of the display assembly top co
4. Series and CPx H CPx J Series Service Manual Index Numbers 12 1 inch LCD display panel removal 25 replacement 28 12 1 inch LCD flex cable removal 26 replacement 26 12 1 inch LCD panel inverter removal 26 replacement 27 14 1 inch LCD display panel removal 22 14 1 inch LCD flex cable removal 22 battery in modular bay removal 12 battery reserve removal 32 6 CD ROM drive removal 12 computer exploded view 10 working inside 2 D diskette drive removal 12 display assembly bezel removal 21 removal 20 display assembly latch removal 29 display panel 12 1 inch LCD removal 25 replacement 28 F field replaceable parts and assemblies illustrated 10 list of 6 flex cable 12 1 inch LCD removal 26 replacement 26 flex cable 14 1 inch LCD removal 22 G grounding to dissipate static electricity 3 Index 2 H hard disk drive assembly removal 11 inverter 12 1 inch LCD panel removal 26 replacement 27 K keyboard assembly removal 15 M memory module removal 13 memory module cover removal 12 microprocessor module removal 18 modular bay devices removal 12 module latch assemblies removal 37 P palmrest assembly removal 30 R reserve battery removal 32 S screw identification and tightening 3 sockets memory module 13 SuperDisk LS 120 drive removal 12 system board assembly removal 1
5. assembly and to the right of the microprocessor module This assumes that an optional modem Is not present NOTES If the optional modem is present in your system locate and UK remove the 10 mm screw with washer that secures the modem assembly You can easily locate these screws by looking for the white marks on the system board or modem that outline the captive washers see Figure 22 34 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual X support dell com system board assembly Te 10 mm screw system with modem or 4 mm screw systen without modem 4 mm screw with captive washers white marks on the system board 4mm M2 5x10 10 mm bottom case assembly Figure 22 System Board Assembly 10 Remove the modem if present 11 Lift the system board assembly out of the bottom case assembly Replacing the System Board 1 Install the replacement system board 2 Replace the modem if present 3 Replace the system board mounting screws 4 Replace the microprocessor the palmrest assembly the display assembly and the keyboard assembly NOTE Be sure to transfer the memory module s to the replacement system board assembly 5 Replace the modular bay devices and any PC Cards or plastic blanks in the PC Card slot 6 Insert the diskette or CD ROM that accompanied the replacement system board assembly into the appropriate drive and turn on the comput
6. 8 T thermal cooling assembly removal 36 tools 2 travel module removal 12 Z ZIF connectors 5 Dell Latitude CPt V CPt S Series and CPx H Cpx J Series Service Manual 9 Printed in the U S A 4 6 P N 64PTN Rev 0
7. Dell Latitude CPt V CPt S Series and CPx H CPx J Series Dell Latitude CPt V CPt S Series and CPx H CPx J Series Information in this document is subject to change without notice 2000 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 Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own February 2000 P N 64PTN Rev 0 Contents Recommended Tools 0 0 0 0 aaa siaa ind aaa Cena 2 Preparing to Work Inside Your Computer 2 Before Working Inside Your Computer 2 Screw Identification 3 Disconnecting Interface Connectors 5 Removing a Cable from a ZIF Interface Connector 5 Replacing a Cable into 8 ZIF Interface Connector 5 Field Replaceable Parts and Assemblies 6 Removing and Replacing Field Replaceable Parts and Assemblies 10 Hard Disk Drive Assembly 11 Rem
8. Name Figure HNG RT LCD 14 1 HNG LF LCD 14 1 HNG RT LCD 12 1 HNG LF LCD 12 1 SCR M2X3 PHH LP ZPS SCR M3X5 PHH LP ZPS SCR M3X3 PHH LP ZPS 16 18 SCR M2 5X4 PHH LP ZPS SCR M2 5X4 PHH LP ZPS LCD Latch Assembly Display latch assembly ASSY LATCH SPR DIS 14 16 Bottom Case Assembly Bottom assembly ASSY CVR BTM BASE PLSTC CH ST 22 Modem Subassembly Internal Modem installed Modem Cable Kit Internal Modem Modem Screw Internal Modem not installed Modem Screw Case Plug MOD MDM INT NBK CH ST 21 KIT CBL PHONE 4PRJ11 MOM MDM INT NBK CHREST SCR M2 5X15 KSH MS BCS W WSHR MOD NO MDM INT NBK CH ST SCR M2 5X4 RND MS NPL W WSHR PLUG PLSTC MDM CH ST Memory Modules Custo modu Custo modu Custo modu Custo modu Custo modu mer ki e 32 MB mer ki e 64 MB mer ki e 128 MB mer ki e 192 MB mer ki 6 256 MB t memory t memory t memory t memory t memory CUS 32MB DIMM SDRAM 8 CUS 64MB DIMM SDRAM CUS 128MB DIMM SDRAM CUS 192MB DIMM SDRAM CUS 256MB DIMM SDRAM 8 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual support dell com Table 2 Parfs and Assemblies continued Part or Assembly Name Order Name Figure Memory Door Memory door assembly DOOR MEM MET NB System Board Assem
9. Px H CPx J Series Service Manual Hard Disk Drive Assembly bottom of computer LE 5 mm screw M3 0x5 iim zi hard disk drive door 5 mm Figure 6 Hard Disk Drive Assembly Removal NOTICE To avoid damaging the system board you must remove the main battery before you service the computer NOTICE Make sure that the work surface is clean to prevent scratch ing the computer cover NOTICE The hard disk drive is very sensitive to shock Handle the assembly by its edges do not squeeze the top of the hard disk drive case and avoid dropping it Removing the Hard Disk Drive Assembly 1 Remove the main battery and secondary battery if present 2 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 3 Slide the drive door up and pull the drive assembly out of the computer Replacing the Hard Disk Drive Assembly 1 Push the drive assembly into the opening on the left side of the computer 2 Slide the drive door down until it aligns with the cover 3 Turn the computer over and replace the 5 mm screw on the drive door support dell com Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 11 Modular Bay Devices Diskette Drive CD ROM Drive DVD ROM Drive CD RW Drive SuperDisk LS 120 Drive Battery or Travel Module latch lock Figure 7 Modular Bay Device Removal NOTICE Make sure tha
10. Te UA aua T uu uu e 12 1 Inch Display Assembly Bezel and LCD Panel 25 Removing the 12 1 Inch Display Assembly Bezel 25 Removing the 12 1 Inch LCD Panel Inverter 26 Removing the 12 1 Inch LCD Flex Cable 26 Replacing the 12 1 Inch LCD Flex Cable 26 Replacing the 12 1 Inch LCD Panel Inverter 27 Replacing the 12 1 Inch LCD Panel 28 Display Assembly Latch 29 PalmrestAssembly 30 Removing the Palmrest Assembly 30 Reserve Battery sores turut in E nh a MA eed be 32 Removing the Reserve Battery 32 ModemAssembly 33 Removing the Modem Assembly 33 Replacing the Modem Assembly 33 System Board issemn Vases Cana ee ee an weds Pee eens 34 Removing the System Board 34 Replacing the System Board 35 Thermal Cooling Assembly do 36 Module Latch Assemblies 37 gure 1 Computer Orientation 1 gure 2 Main Battery Removal 3 gure 3 Screw Identification 3 gure 4
11. aight up 5 Lift the display assembly from the bottom case assembly Pry the hinge cover loose at the seam from the snap tabs on the bottom assembly see Figure 13 NOTE Always remove and replace the LCD panel as a complete assembly 20 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual support dell com 14 1 Inch Display Assembly Bezel and LCD Panel O rubber screw covers 4 display assembly bezel 9 4 mm screws 6 plastic screw covers 2 plastic tabs 6 hinge cover LCD flex E cable M2 0x3 M2 5x4 display assembly top cover 3 mm screws 6 H 3 mm 4mm Figure 14 14 1 Inch Display Assembly Bezel Removing the 14 1 Inch Display Assembly Bezel 1 Use ascribe 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 14 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 21 4 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 Remove the two 4 mm screws from the bottom of the bezel NOTICE The bezel tabs are fragile Handle the bezel carefully to avoid breaking the plastic tabs off 5 Separate the b
12. ards Dual Pointing Euro language specific KYBD nn iiii D PTG EMEA 10 keyboard Asian language specific KYBD nn iiii D PTG APCC keyboard English U K KYBD 88 UK D PTG EMEA English U S KYBD 87 US D PTG US English International KYBD 87 US INT D PTG EMEA Keyboard screws 7 SCR M2 5X10 PHH LP ZPS 9 Substitute the number of keys for nn and the specific language for iii LCD Assembly 14 1 Inch Display Panel 14 1 inch LCD display LCD TFT 14 1 zzz 14 LCD Assembly 12 1 Inch Display Panel 12 1 inch LCD display LCD TFT 12 1 zzz 16 12 1 Inch Display Panel Inverter 12 1 inch LCD display INVRTR LCD 12 1 zzz 16 18 panel inverter Display Top Cover Assembly 14 1 inch display top cover ASSY CVR TOP LCD TFT 14 1 14 14 1 inch display bezel ASSY BZL LCD TFT 14 1 14 12 1 inch display top cover ASSY CVR TOP LCD 12 1 16 12 1 inch display bezel ASSY BZL LCD 12 1 16 Display assembly screws SCR M2 5x4 PHH LP ZPS 14 1 inch flex cable ASSY CBL FLX TFT 14 12 1 inch flex cable ASSY CBL FLX W EXTN 12 1 16 17 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual Table 2 Parfs and Assemblies continued Part or Assembly Name 14 1 display right hinge 14 1 display left hinge 12 1 display right hinge 12 1 display left hinge 14 1 inch LCD panel screw 12 1 inch LCD panel screw 12 1 inch LCD inverter LCD hinge screw LCD bezel screw Order
13. atitude CPt V CPt S Series and CPx H CPx J Series Service Manual 15 track stick cable keyboard cable Figure 11 Keyboard and Track Stick Cables and Connectors 9 Disconnect the keyboard cable from the connector on the system board The keyboard cable is the wide flexible cable 10 Carefully disconnect the track stick cable from the ZIF connector on the palmrest s flexible printed circuit board 11 Remove the keyboard assembly Replacing the Keyboard Assembly 1 Place the keyboard on the left side of the computer with the keys face down see Figure 11 2 Connect the track stick cable to the ZIF connector Ensure that the contact side of this cable is face down when you insert the cable into the track stick ZIF interface connector 3 Connect the keyboard cable to the connector on the system board Ensure that the contact side of this cable is face down when you insert the cable into the keyboard ZIF interface connector 16 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual NOTICE Position the track stick and keyboard cables so they are not twisted when you reconnect them to the system board 4 Carefully turn the keyboard over and fit the keyboard into place Ensure that the track stick and keyboard cables are not twisted as you lower the keyboard into the palmrest 5 To push the keyboard down press on the blank key located below the right lt Shift gt key 6 Check that the key
14. bly System board assembly SVCKIT MB ASSY PWA ENGINE 22 service kit Service tag DSK BIOS FLDSVC F3 US installation diskette BIOS flash diskette KIT BIOS FLASH UPG F3 Diagnostic diskette KIT DSK DIAG F3 WW System board ASSY PWA ENGINE assembly Main system PWA PLN OM NB board Exhaust fan and FAN 25X25X10 cable Thermal cooling SVC SUBASSY HTSNK CPU HYB assembly Microprocessor Microprocessor SVC PRM PCA 12 Service Kit Microprocessor shield SCR M2X3 PHH LP ZPS 12 thermal cooling assembly arm screw Thermal cooling assembly SCR M2 5X4 PHH LP ZPS 23 System board assembly SCR M2 5X4 PHH LP ZPS 22 Microprocessor Shield Microprocessor shield ASSY SHLD EMI PRC MET 12 Miscellaneous Hardware Service Kit latch LTCH BTN Module slider Button Foot Rubber Black Foot Rbr Blk 4 each Foot Rubber Strike Foot Rbr Strike Zone BIk Zone Black Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 9 Removing and Replacing Field Replaceable Parts and Assemblies display assembly keyboard palmrest assembly internal modem may not apply to your system hard disk drive main battery case plug for modem bottom case assembly modular bay device Figure 5 Exploded View Computer The following subsections provide instructions for removing and replacing field replaceable parts and assemblies 10 Dell Latitude CPt V CPt S Series and C
15. board is correctly installed The keys should be flush with the left and right surfaces of the palmrest 7 Carefully turn the computer over and reinstall the seven 10 mm screws Start by installing the outermost screws on the left and right sides of the computer and then work inward to the center support dell com Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 17 Microprocessor Module 9 captive screws 3 3 mm screws 2 microprocessor shield 4 mm screw 1 shield brace may not apply to your system white marks on the microprocessor board 2 microprocessor module Figure 12 Microprocessor Module Removal Removing the Microprocessor Module NOTICE To avoid damaging the system board you must remove the main battery before you service the computer 1 Remove the main battery and secondary battery if present 2 Remove the keyboard assembly NOTICE To ensure maximum cooling for the microprocessor do not touch the heat transfer areas on the thermal cooling assembly The oils in your skin reduce the heat transfer capability of the thermal pads 3 Remove the two 3 mm screws on the microprocessor shield securing the thermal cooling assembly to the microprocessor module see Figure 12 4 Loosen the three captive screws securing the microprocessor shield to the microprocessor module Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual suppo
16. ce the memory module cover Keyboard Assembly NOTICE To avoid damaging the system board you must remove the main battery before you service the computer NOTICE Make sure that the work surface is clean to prevent scratching the computer cover Removing the Keyboard Assembly 1 Remove the main battery and secondary battery if present 2 Close the display assembly and turn the computer upside down on a flat work surface 10 mm screws 7 Figure 9 Removing the Keyboard Assembly Screws 14 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 3 Remove the seven 10 mm screws labeled with a circle K that secure the keyboard to the computer see Figure 9 4 Turn the computer right side up and open the display NOTICE The keycaps on the keyboard are fragile easily dislodged and time consuming to replace Be careful when removing and handling the keyboard 5 Release the keyboard from the palmrest assembly by inserting a small flat blade screwdriver under the edge of the blank key see Figure 10 and lift the right edge of the keyboard track stick keyboard gt lt l 4 f ANIO scalloped edge 7 6 7 of blank key D palmrest Figure 10 Keyboard Assembly Removal 6 Lift the keyboard out of the palmrest 7 Rotate the keyboard over the left edge of the computer see Figure 11 8 Rest the key face of the keyboard on the left side of the computer support dell com Dell L
17. component screws Table 1 Screw Placement Mat With Component Screw Counts and Sizes Hard Disk Drive Assembly M3 0 x 5 1 each Keyboard Assembly M2 5 x 10 7 each Display Assembly M2 5 x 4 3 each Display Assembly Bezel Rubber Screw Covers 4 each Plastic Screw Covers 2 each Display Assembly Bezel M2 5 x 4 6 each 14 1 Inch Display Assembly LCD to Top Cover M2 0 x 3 6 each 12 1 Inch Display Assembly LCD to Top Cover M3 0 x 5 4 each 12 1 Inch Display Assembly Inverter M3 0 x 3 3 each Palmrest Assembly M2 5 x 20 5 each System Board Assembly M2 5 x 4 2 each w o modem assembly M2 5 4 1 each M2 5 10 1 each w modem assembly Microprocessor Shield Assembly 3 captive and 2 removable screws M2 0 3 2 each M2 5 4 1 each may not apply to your system Thermal Cooling Assembly and Exhaust Fan M2 5 x 4 2 each Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual support dell com Disconnecting Interface Connectors 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 the cable from them see Figure 4 movable part of connector do not remove 5 Figure 4 Disconnecting a Cable from an Interface Connector NOTICE The ZIF interface connectors are fragi
18. der It is recommended that you use a book or something similar to support the display assembly when it is open nearly 180 degrees 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 left side right side front of computer Figure 1 Computer Orientation NOTICE Do not attempt to service the computer system yourself except as explained in this manual and elsewhere in Dell documen tation Always follow installation and service instructions closely Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 7 Recommended Tools The procedures in this manual require the following tools e Number 1 magnetized Phillips head screwdriver e Small flat blade screwdriver e Small plastic scribe e Microprocessor extractor Preparing to Work Inside Your Computer NOTICE Failure to perform the following steps could result in dam age to the computer NOTICE If working inside your computer involves the removal of the palmrest note this information about the reserve battery The reserve battery provides power to the computer s real time clock RTC and nonvolatile random access memory NVRAM when the computer is turned off Removing the palmrest disconnects the reserve battery and cause
19. e the main battery before you service the computer 1 Remove the main battery and secondary battery if present 2 Remove the device from the modular bay Remove the keyboard assembly Remove the display assembly a e Q Remove the palmrest assembly support dell com Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 37 6 Remove the left module latch button from the bottom case assembly by carefully squeezing the snap tabs see Figure 25 Apply pressure to the module latch and spring 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 slider on the module latch and reinstall the module latch into the holding features on the inside of the case b Ensure that the slider 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 25 7 Snap in the new latch button from the bottom of the base making certain its snap tabs are fully engaged in the module latch 8 Ensure that the newly installed latch moves smoothly and freely when pushed and released 9 Repeat steps 6 through 8 for the latch on the right side bumps 2 wear ribs 2 Figure 25 Left Module Latch and Spring 38 Dell Latitude CPt V CPt S
20. ed NOTICE The inverter jumpers must be configured to match the LCD panel that is installed Improper jumper configuration can cause damage to the LCD panel 2 Ensure that the inverter s configuration jumpers are set correctly see Figure 18 If you are installing a Sharp LCD panel both jumpers are used If you are installing a Torisan LCD panel the bottom jumper is used See the sticker on the inverter shield for more information support dell com Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 27 ZIF connector jumpers inverter TORISAN Figure 18 12 1 Inch LCD Inverter 3 Place the inverter in the cover top 4 Reinstall the three 3 mm screws that secure the inverter to the top cover 5 Connect the LCD flex cable to the ZIF connector on the inverter Replacing the 12 1 Inch LCD Panel 1 Find the manufacturer s name on the back of the LCD panel that is to be installed The manufacturer is either Torisan or Sharp 2 Make sure that the LCD flex cable is folded correctly to accommodate the LCD panel being installed For more information see Replacing the 12 1 Inch LCD Flex Cable 3 Verify that the inverter jumpers are set to accommodate the LCD panel being installed For more information see Replacing the 12 1 Inch LCD Panel Inverter 4 Place the bottom edge of the LCD panel in the bottom of the top cover and elevate the top of the panel with your hand NOTICE The
21. er Follow the instructions on the display screen NOTE After replacing the system board assembly be sure to enter the sys 0 5 service tag number into the BIOS of the replacement system board assembly Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 35 Thermal Cooling Assembly M 4 mm screws 2 thermal cooling assembly and exhaust fan Figure 23 Thermal Cooling Assembly Removal NOTICE To avoid damaging the system board you must remove the main battery before you service the computer 1 NO 5 ON o o Remove the main battery and secondary battery if present Remove the device from the modular bay Remove the keyboard assembly Remove the display assembly Remove the palmrest assembly Remove the microprocessor module Remove the modem if present Remove the system board assembly Disconnect the exhaust fan power cable from the connector on the system board 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 23 36 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual Module Latch Assemblies sliders 2 module latches 2 springs 2 location of snap tabs 2 bottom case assembly module latch button Figure 24 Module Latch Assemblies Removal NOTICE To avoid damaging the system board you must remov
22. ezel from the display assembly top cover The bezel is secured by three plastic tabs on the left and three plastic tabs on the right side of the display assembly top cover see Figure 14 Removing the14 1 Inch LCD Panel 1 2 4 Remove the display assembly bezel Remove the three 3 mm screws on the left side of the LCD panel and the three 3 mm screws on the right side of the LCD panel see Figure 14 Lift and rotate the top of the LCD panel out of the top cover Disconnect the ZIF interface connector and the display assembly interface cable connector Lift the LCD panel out of the top cover Removing the 14 1 Inch LCD Flex Cable NOTICE Make sure that the work surface is clean to prevent scratch ing the computer cover 1 2 3 Remove the LCD panel Turn the display assembly upside down on a flat work surface Remove the 4 mm screw securing the metal cable clip to the left hinge of the display assembly top cover Remove the flex cable out from under the plastic strain relief retainer located on the bottom of the display assembly hinge cover Remove the flex cable retaining clip from the bottom of the hinge cover located at the bottom of the display assembly hinge cover Pry the hinge cover assembly apart slightly from the display assembly allowing just enough space for the flex cable to pass through the opening Slide the cable through the opening 22 Dell Latitude CPt V CPt S Series and CPx H CPx J Se
23. face of an I O connector on the computer s back panel 3 To release 8 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 The module should pop up slightly see Figure 8 4 Lift the memory module out of its socket Replacing the Memory Modules 1 If you only have one memory module install it in the DIMM A socket NOTES 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 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 mem ory module can be firmly seated only one way Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 13 2 Align the memory module s edge connector with the slotin 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 3 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 4 Repla
24. ge of the computer see Figure 19 7 Turn the computer right side up on the work surface 8 Disconnect the palmrest flex cable from the touch pad connector on the system board see Figure 20 palmrest flex cable touch pad 6 iL connector NS bottom case es oe Figure 20 Palmrest Assembly Removal 9 Carefully remove the palmrest assembly from the bottom case assembly see Figure 20 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 31 Reserve Battery NOTICE The reserve battery provides power to the computer s RTC and NVRAM when the computer is turned off Removing the battery causes the computer to lose the date and time information as well as all user specified parameters in NVRAM If possible make a copy of this information before you remove the reserve battery Removing the Reserve Battery 1 Remove the main battery and secondary battery if present 2 Remove the device from the modular bay if present Remove the keyboard assembly Remove the display assembly Remove the palmrest assembly Turn the palmrest assembly over xy oap Remove the two 4 mm screws securing the palmrest bracket This may loosen the reserve battery EMI spring clip which is secured to the palmrest bracket 8 Liftthe palmrest bracket and turn it over taking care not to twist the touch pad cable 9 Disconnect the reserve battery cable from the connector on the palmrest bracket 10 Remove
25. le To avoid damage do not apply too much pressure to the movable part of the connector Removing a Cable trom a ZIF Interface Connector 1 Insert a small flat blade screwdriver behind the movable part of the connector Push gently sideways on the movable part of the connector until it releases the interface cable Grasp the interface cable and pull it out of the connector Replacing a Cable into a ZIF Interface Connector 1 Use a small flat blade screwdriver to open the movable part of the ZIF connector Orient the end of the interface cable with the ZIF connector and insert the end of the cable into the connector 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 V CPt S Series and CPx H CPx J Series Service Manual 5 Field Replaceable Parts and Assemblies 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 Table 2 Parts and Assemblies Part or Assembly Name Order Name Figure AC Adapter and Power Cords Customer kit AC adapter CUS ADPT AC EXT 20V 70W NBK AC adapter ADPT AC EXT 20V 70W 3W BA Power cable U S CORD PWR 110V 6F AC 3W SP US Batte
26. m Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 25 Removing the 12 1 Inch LCD Panel Inverter 1 Disconnect the LCD flex cable from the ZIF connector on the inverter 2 Remove the three 3 mm screws securing the inverter to the top cover 3 Remove the inverter from the top cover Removing the 12 1 Inch LCD Flex Cable 1 Remove the 4 mm screw securing the metal cable clip to the left hinge of the display assembly top cover 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 flexcable 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 allowing just enough space for the flex cable to pass through the opening 5 Slide the cable through the opening Replacing the 12 1 Inch LCD Flex Cable 1 Pry the hinge cover assembly apart from the display assembly allowing just enough space for the flex cable to pass through the opening 2 Slide the cable through the opening 3 Attach the flexcable clip to the bottom of the hinge cover located at the bottom of the display assembly 4 Slide the flex cable under the plastic strain relief retainer located on the bottom of the display assembly hinge cover 5 Reinstall the 4 mm screw that secures the metal cable clip to the left hinge of the display assembly top cover 6
27. move the main battery 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 battery bay latch battery Figure 2 Main Battery Removal 9 Remove the secondary battery assembly if present from the modular bay 10 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 Screw Identification 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 M2 5x20 M2 5x10 M3 0x5 M2 5x4 M2 5x4 3 0883 93 ui i a qh a f 0 47 9 P O OA A A 20 mm 10 mm 5mm 4mm 4mm 3mm 3mm Figure 3 Screw Identification NOTICE When reinstalling a screw you must use a screw of the cor rect diameter and length Otherwise hardware damage could result Make sure that the screw is properly aligned with its corresponding hole and avoid overtightening Dell Latitude CPt V CPt S Series and CPx H CPx J 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
28. nt Mat With Component Screw Counts ANG SIZES ocho a ah sed eats 7 4 PartsandAssemblies 6 vii vili Read This First A prerequisite for using this manual to service Dell computer systems is a basic knowledge of PCs and prior training in 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 Notes Notices and Cautions 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 notices and cautions and they are used as follows NOTE A NOTE indicates important information that helps you make better use of your computer NOTICE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem CAUTION A CAUTION indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury support dell com Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 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 that a part can be replaced by performing the removal procedure in reverse or
29. odule is fully seated apply pressure over the corner without the mounting screw hole NOTE If your system uses a microprocessor shield with the brace as shown in Figure 12 the 4 mm screw used in step 6 secures this corner 3 Rotate the arm of the thermal cooling assembly into place 4 Replace the microprocessor shield 5 Replace the two 3 mm screws that secure the thermal cooling assembly arm and shield to the microprocessor module 6 Replace the 4 mm screw securing the shield brace if present 7 Tighten the three captive screws on the corners of the shield to secure the microprocessor module and shield see Figure 12 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 19 Display Assembly display assembly hinge cover LCD flex cable snap tab bottom case assembly 4 mm screws 3 snap tab M2 5x4 i H 4mm Figure 13 Display Assembly Removing the Display Assembly NOTICE To avoid damaging the system board you must remove the main battery before you service the computer NOTICE Do not remove the palmrest before you remove the display 1 Remove the main battery and secondary battery if present 2 Remove the keyboard 3 Close the display and remove the three 4 mm screws labeled with a circle D from the back of the computer see Figure 13 4 Open the display and disconnect the LCD flex cable from the connector on the system board by pulling the connector str
30. oving the Hard Disk Drive Assembly 11 Replacing the Hard Disk Drive Assembly 11 Modular Bay Devices Diskette Drive CD ROM Drive DVD ROM Drive CD RW Drive SuperDisk LS 120 Drive Battery or Travel Module 2 Memory Module Cover 12 Removing the Memory Module Cover 12 Memory Modules 13 Removing the Memory Modules 13 Replacing the Memory Modules 13 Keyboard Assembly eee 14 Removing the Keyboard Assembly 14 Replacing the Keyboard Assembly 16 Microprocessor Module 18 Removing the Microprocessor Module 18 Replacing the Microprocessor Module 19 Display Assembly 20 Removing the Display Assembly 20 14 1 Inch Display Assembly Bezel and LCD Panel 21 Removing the 14 1 Inch Display Assembly Bezel 21 Removing the14 1 Inch LCD Panel 22 Removing the 14 1 Inch LCD Flex Cable 22 Replacing the 14 1 Inch LCD Flex Cable 23 Replacing the 14 1 Inch LCD Panel 24 vi Index Figures
31. rd connector 3 Replace the internal modem 10 mm screw and washer see Figure 21 support dell com Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 33 System Board Assembly The system board s basic input output system BIOS chip contains the system service tag number which is also visible on a barcode 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 Removing the System Board NOTICE To avoid damaging the system board you must remove the main battery before you service the computer 1 Remove the main battery and secondary battery if present 2 Remove the device from the modular bay if present Remove the keyboard assembly Remove the display assembly 3 4 5 Remove the palmrest assembly 6 Remove the microprocessor module 7 Verify that all PC Cards or plastic blanks are removed from the PC Card slot 8 Verify that the PC Card ejectors do not extend from the PC Card slot 9 Remove the two screws securing the system board assembly see Figure 22 e Locate and remove the 4 mm screw with captive washer on the far left side of the computer between the hard disk drive assembly and the PC Card slot e Locate and remove the 4 mm screw with captive washer on the far right side of the computer in front of the thermal cooling
32. ries Service Manual support dell com Replacing the 14 1 Inch LCD Flex Cable 1 Find the manufacturer s name either Samsung or BM Hitachi on the back of the replacement LCD panel your replacement LCD panel is a Samsung Install the display bezel clip if one is not present by placing the bezel slot over the hinge tab and pressing gently until it snaps see Figure 15 If your replacement LCD panel is an IBM Hitachi Remove the display bezel clip if present by gently prying it up with a small blade screwdriver see Figure 15 bezel slot display assembly bezel bezel clip bezel hinge Figure 15 Display Assembly Bezel bottom view gt amp Install the new flex cable that accompanied the replacement LCD display Pry the hinge cover assembly apart from the display assembly allowing just enough space for the flex cable to pass through the opening Slide the cable through the opening Attach the flexcable retaining clip to the bottom of the hinge cover located at the bottom of the display assembly hinge cover Slide the flex cable under the plastic strain relief retainer located on the bottom of the display assembly hinge cover Reinstall the 4 mm screw that secures the metal cable clip to the left hinge of the display assembly top cover Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 23 Replacing the 14 1 Inch LCD Panel NOTE Use a magnetic
33. rt dell com NOTE The microprocessor shield brace may not be present your system the brace is not present continue with step 6 5 Remove the 4 mm screw that secures the microprocessor shield brace see Figure 12 6 Remove the microprocessor shield 7 Rotate the arm of the thermal cooling assembly up and away from the microprocessor module NOTICE When removing the microprocessor module pull the mod ule straight up Do not move the tool from side to side to extract the processor board 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 12 Replacing the Microprocessor Module NOTICE Proper seating of the microprocessor module requires a considerable amount of force approximately 35 pounds 16 kilo grams applied above the module connector NOTICE A microprocessor module that is not properly seated can result in an intermittent connection and subsequent failures 1 Align the microprocessor connector on the left side of the board and press down firmly on the metal plate that is directly over the connector When the microprocessor module is fully seated all four corners are aligned to the same height If one or more corners of the module are higher than the others the module Is not seated correctly 2 To ensure the microprocessor m
34. ry Main Customer kit main battery CUS BTRY 14 4 8CELL LITH 2 CUS BTRY 9 6V 8CELL NiMH option for CPt S Series only Main battery BTRY 53WHR 14 4V 8CELL LITH BTRY MAIN 9 6V 8 NIMH option for CPt S Series only Diskette Drive Subassembly Diskette drive CUS SUBASSY FD F3 INT EXT 7 SuperDisk LS 120 Drive Subassembly LS 120 drive subassembly CUS SUBASSY VAS LS120 120MB F3 7 CD ROM Drive Subassembly CD ROM drive CUS CD 650M 24 222 7 CD RW ROM Drive Subassembly CD RW ROM drive CUS CD RW 650M 222 7 DVD ROM Drive Subassembly DVD ROM drive SUBASSY DVD MPEGII TSHBA 7 Hard Disk Drive Assembly Hard disk drive HD xxxxGB yyMM zzz 6 subassembly Hard disk drive MOD HD xxxxGB F2 yyMM zzz CUS HD xxxxGB yyMM 222 Hard disk drive PWA INTERCON HD interface board Substitute the drive capacity for xxxxGB the drive height for yyMM and zzz for the manufacturer s name 6 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual support dell com Table 2 Parfs and Assemblies continued Part or Assembly Name Order Name Figure Hard Disk Drive Carrier Assembly Hard disk drive carrier ASSY CARR HD Palmrest Assembly Palmrest assembly ASSY PLMRST TPAD 20 Palmrest screws 5 SCR M2 5X20 PHH LP ZPS 19 Battery Reserve Reserve battery CUS BTRY RESERVE Keybo
35. s the computer to lose the date and time information as well as all user specified parameters in NVRAM If possible make a copy of this information before you disconnect the reserve battery NOTICE Make sure that the work surface is clean to prevent scratch ing the computer cover Before Working Inside Your Computer 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 to disk or KK hibernate mode If you cannot shut down the computer using the com puters operating system press and hold the power button for 4 seconds 3 If the computer is docked in a C Dock Family Expansion Station or C Port Family 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 Disconnect all other external cables from the computer 6 Remove any installed PC Cards or plastic blanks from the PC Card slot 7 Remove any installed devices in the modular device bay 2 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual support dell com NOTICE To avoid damaging the system board you must remove the main battery and secondary battery if present before you service the computer 8 Re
36. screwdriver to reassemble the LCD panel in the dis Z play Secure the right side first 1 Place the bottom edge of the LCD panel in the bottom of the top cover and elevate the top of the panel with your hand 2 Carefully connect the LCD flex cable to the connector on the left edge of the LCD panel Do not force the LCD flex cable into the connector If you have trouble check to make sure the LCD flex cable is aligned correctly and try again 3 Lay the LCD panel in the top cover 4 Reinstall the six 3 mm screws securing the LCD panel to the top cover 24 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 12 1 Inch Display Assembly Bezel and LCD Panel _ rubber screw covers 4 display assembly bezel 4 mm screws 6 plastic screw covers 2 gt back light plug SaL latch inverter 2 ald connector 3 mm screws 3 LCD flex cable M3 0x3 M2 5x4 M3 0x5 H H H 3 mm 4mm 5mm display assembly top cover Figure 16 12 1 Inch Display Assembly Removing the 12 1 Inch Display Assembly Bezel 1 Remove the four 5 mm screws securing the LCD panel to the top cover 2 Disconnect the two wire back light plug from the connector on the inverter 3 Lift the LCD panel and carefully disconnect the flex cable from the connector on the left edge of the LCD panel 4 Remove the LCD panel from the top cover support dell co
37. t the work surface is clean to prevent scratch ing the computer cover 1 Close the display and turn the computer upside down on a flat work surface 2 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 see Figure 7 Memory Module Cover NOTICE To avoid damaging the system board you must remove the main battery before you service the computer NOTICE Make sure that the work surface is clean to prevent scratch ing the computer cover Removing the Memory Module Cover 1 Remove the main battery and secondary battery if present 2 Close the display and turn the computer upside down on a flat work surface 3 Release the memory module cover Insert a flat blade screwdriver under the indentation in the bottom case assembly and lift the cover 12 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual support dell com Memory Modules inner tabs 2 per socket memory module sockets 2 Figure 8 Memory Module Removal Removing the Memory Modules NOTICE To avoid damaging the system board you must remove the main battery before you service the computer 1 Remove the main battery and secondary battery if present 2 Remove the memory module cover NOTICE To avoid possible damage to the memory module from elec trostatic discharge ESD ground yourself by touching the unpainted metal sur
38. the reserve battery from the palmrest bracket as follows a Pry the reserve battery free from the foam pad b Remove the remnants of the foam pad from the palmrest bracket NOTES When you replace the reserve battery first connect the reserve bat Z tery cable to the connector on the palmrest bracket Then position the reserve battery on the palmrest bracket to minimize slack in the cable Carefully reposition the reserve battery EMI spring clip before securing the two 4 mm palmrest bracket screws 32 Dell Latitude CPt V CPt 5 Series and CPx H CPx J Series Service Manual Modem Assembly The modem assembly is optional The modem if present must be removed before the main system board can be removed see Figure 21 NOTICE To avoid damaging the system board you must remove the main battery before you service the computer Removing the Modem Assembly 1 Remove the main battery and secondary battery if present Remove the keyboard assembly Remove the display assembly 2 3 4 Remove the palmrest assembly 5 Remove the 10 mm screw and washer securing the modem assembly see Figure 21 10 mm screw internal modem M2 5x10 system board connector for the mode mu 10 mm case plug for modem Figure 21 Modem Assembly Replacing the Modem Assembly 1 Press the RJ11 connector of the modem assembly into the hole in the bot tom case assembly 2 Carefully align and press the modem into the system boa
39. ver assembly see Figure 14 and Figure 16 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual 29 Palmrest Assembly The palmrest assembly consists of the touch pad and the palmrest NOTICE The reserve battery provides power to the computer s time RTC and NVRAM when the computer is turned off Removing the palmrest disconnects the reserve battery and causes the computer to lose the date and time information as well as all user specified parameters in NVRAM If possible make a copy of this information before you disconnect the reserve battery 20 mm screws 5 Figure 19 Removing the Palmrest Assembly Screws NOTICE To avoid damaging the system board you must remove the main battery before you service the computer Removing the Palmrest Assembly 1 Remove the main battery and secondary battery if present 2 Remove the device from the modular bay if present 3 Remove the keyboard NOTICE The display assembly must be removed before you can remove the palmrest 4 Remove the display assembly 30 Dell Latitude CPt V CPt S Series and CPx H CPx J Series Service Manual support dell com NOTICE Make sure that the work surface is clean to prevent scratch ing the computer cover 5 Turn the computer upside down on a flat work surface 6 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 ed
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