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16

Dell Latitude CPiA Service Manual

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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 (see Figure 9).

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2. Remove the six 12-mm screws securing the keyboard to the computer.

3. Turn the computer right-side up and open the display. 

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4. Release the keyboard from the palmrest assembly:

a. Carefully deflect the palmrest (next to the blank key below the <Shift> 

key; see Figure 10) away from the center of the keyboard, until the tab 
on the palmrest’s inner edge disengages from the keyboard. The 
keyboard should raise up slightly.

b. Insert a fingernail or a small flat-bladed screwdriver under the scalloped 

edge of the blank key (see Figure 10), and lift the right edge of the 
keyboard.

12-mm screws (6)

Summary of Contents for LATITUDE cpia

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Page 4: ... 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 their products Dell Computer Corporation disclaims any proprietary interest in trademarks a...

Page 5: ...le Cover 14 Memory Modules 15 Keyboard Assembly 16 Back Cover Assembly 18 Palmrest Assembly 19 Touch Pad Interface Module 20 Power Button 21 Display Assembly 21 Display Assembly Bezel 23 Display Assembly Latch 23 LCD Panel 24 12 1 Inch LCD Displays 24 13 3 Inch LCD Displays 26 LCD Display Hinge 28 Display Assembly Top Cover 28 Bottom Case Assembly 28 Modular Bay Devices Diskette Drive CD ROM Drive...

Page 6: ...mbly Removal 17 Figure 11 Back Cover Assembly Removal 18 Figure 12 Palmrest Assembly Removal 19 Figure 13 Touch Pad Interface Module Removal 21 Figure 14 Display Assembly Removal 23 Figure 15 Display Assembly Bezel Removal 12 1 Inch Display Shown 25 Figure 16 LCD Panel Removal 12 1 Inch Display 27 Figure 17 Cable Layout for the 12 1 Inch LCD Panel 28 Figure 18 LCD Panel Removal 13 3 Inch Display 2...

Page 7: ...vii Figure 27 Processor Module 44 Figure 28 Exhaust Fan Removal 45 Figure 29 I R Board Removal 46 Figure 30 Reserve Battery Installation 47 7DEOHV Table 1 Parts and Assemblies 5 ...

Page 8: ...Dell Diagnostics to test the computer system 1RWHV DXWLRQV DQG DUQLQJV 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 87 21 87 21 LQGLFDWHV HLWKHU SRWHQWLDO GDPDJH ...

Page 9: ...ected from the input output 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 man...

Page 10: ...wn 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 AC power sources to reduce the potential for personal injury or shock Also disconnect any telephone or telecommunications lines from...

Page 11: ...GHQWLILFDWLRQ DQG 7LJKWHQLQJ 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 LJXUH 6FUHZ GHQWLILFDWLRQ 87 21 KHQ UHLQVWDOOLQJ D VFUHZ RX PXVW XVH ...

Page 12: ... 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 ...

Page 13: ...C EXT 20V 70W 3WIRE CPiA Power cable U S CORD PWR 110V 6F AC 3W 3P US XGLR RDUG Service kit audio board SVC PWA AUDIO CPiA 22 XGLR 6KLHOG Audio shield SHLD W SPR AUDIO CRD 22 DFN RYHU VVHPEO Service kit back cover assembly SVC SUBASSY BK CVR DOOR I O CPiA 11 Back cover assembly ASSY BK PLT DOOR I O CPiA Docking bar BAR DOOR DCKG MET Docking door DOOR DCKG PLSTC I O DWWHU 0DLQ Customer kit main bat...

Page 14: ...CD ROM drive label LBL REG CD 24X LVNHWWH ULYH 6XEDVVHPEO Diskette drive service kit SVC SUBASSY FD F3 INT EXT CPiA 21 Diskette drive subassembly SUBASSY FD F3 INT EXT CPiA Diskette drive FD F3 CPiA Diskette drive assembly bottom cover CVR BTM PLSTC FD F3 CPiA Diskette drive assembly top cover CVR TOP PLSTC FD F3 CPiA Diskette drive assembly interface board PWA INTFC FD F3 CPiA Diskette drive asse...

Page 15: ...ard disk drive carrier screws SCR M3X3 PHH LP ZPS 5 RDUG Service kit I R board SVC PWA FAST IR CPiA 28 H ERDUGV Keyboard Belgian KYBD 88 BEL CPiA 10 Keyboard Chinese KYBD 87 CHI CPiA Keyboard Danish KYBD 88 DEN CPiA Keyboard French KYBD 88 FR CPiA Keyboard French Canadian KYBD 87 FR CAN CPiA Keyboard German KYBD 88 GER CPiA Keyboard Italian KYBD 88 ITALIAN CPiA Keyboard Japanese KYBD 90 JPN CPiA K...

Page 16: ...cable and inverter SVC LCD CBL INV TFT zzz 12 1 CPiA 18 Bezel service kit 12 1 inch display SVC BZL LCD 12 1 CPiA 14 17 Display assembly bezel BZL LCD TFT 12 1 CPiA Bezel retaining screw covers upper corners 12 1 inch display CVR SCR TOP RND ADH Bezel retaining screw covers lower CVR SCR BTM OVAL ADH Display assembly bezel retaining screw covers latch 12 1 inch display CVR SCR TOP OVAL SM ADH 12 1...

Page 17: ...MB DIMM SDRAM LAT CPIA FACT 0HPRU RRU Service kit memory door assembly SVC SUBASSY DOOR MEM BIOS CPiA 7 Memory BIOS door subassembly SUBASSY DOOR MEM BIOS NB CPiA 0LVFHOODQHRXV 3DUWV Touch pad bracket BRCKT TPAD CPiA 13 Air flow duct GDE INTK AIR FAN PLSTC CPiA 26 3DOPUHVW VVHPEO Service kit palmrest assembly SVC SUBASSY PLMRST CPiA 12 Palmrest assembly ASSY PLMRST GRY CPiA Power button SWT PWR SW...

Page 18: ...udio board SCR M2 6X5 PHH LP ZPS 22 Bottom case bracket SCR M2 6X5 PHH LP ZPS 23 Exhaust fan SCR M2 6X12 PHH LP ZPS 27 6SHDNHUV Left speaker assembly SUBASSY SPKR LF W WIRES Right speaker assembly SUBASSY SPKR RT W WIRES 6 VWHP RDUG VVHPEO System board assembly CPiA service kit SVC ASSY PRM PWA ENGINE CPiA 26 System board assembly CPiA service kit SVC ASSY PRM PWA ENGINE CPiA Service tag installat...

Page 19: ...N Main system board PWA PLN 0M NB CPiA Video PC Card board PWA DTRBD VID PCMCIA CPiA LED board PWA LED CPiA Exhaust fan and cable FAN 25X25X10 CPiA Microphone MCPHN CPiA Reserve battery BTRY RSRV 7 2 30MAH 6 NIHD Foam pad PAD FOAM BTRY RSRV CPiA 7KHUPDO RROLQJ VVHPEO Service kit thermal cooling subassembly SVC SUBASSY HTSNK CPU HYB CPiA 26 7RXFK 3DG Touch pad service kit SVC TPAD SQ INTFC CPiA 13 ...

Page 20: ... DQG VVHPEOLHV LJXUH SORGHG 9LHZ RPSXWHU The following subsections provide instructions for removing and replacing field replaceable parts and assemblies display assembly keyboard palmrest assembly main battery modular bay device back cover assembly bottom case assembly ...

Page 21: ... WKH WRS RI WKH KDUG GLVN GULYH FDVH DQG DYRLG GURSSLQJ LW 87 21 0DNH VXUH WKH ZRUN VXUIDFH LV FOHDQ WR SUHYHQW VFUDWFKLQJ WKH FRPSXWHU FRYHU 1 Turn the computer over and remove the two 5 mm screws from the hard disk drive door The drive is on the left side of the computer 2 Grasp the drive door and pull the drive out of the computer ERWWRP RI FRPSXWHU hard disk drive door 5 mm screws 2 ...

Page 22: ... 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 fingertip in the indentation in the bottom case assembly and lift the cover slightly then slide the cover in the direction indicated by the arrow on the cover memory module cover indentation ...

Page 23: ...panel 3 To release a memory module from its socket gently push outward on each of the memory module s two metal retaining clips The memory module rotates upward out of its retaining clips 4 Lift the memory module out of its socket You can install memory modules only one way Do not attempt to force the memory module into the socket Align the notch near the center of the memory module with the corre...

Page 24: ...ht side up and open the display 87 21 7KH NH FDSV RQ WKH NH ERDUG DUH IUDJLOH HDVLO GLVORGJHG DQG WLPH FRQVXPLQJ WR UHSODFH H FDUHIXO ZKHQ UHPRYLQJ DQG KDQGOLQJ WKH NH ERDUG 4 Release the keyboard from the palmrest assembly a Carefully deflect the palmrest next to the blank key below the Shift key see Figure 10 away from the center of the keyboard until the tab on the palmrest s inner edge disenga...

Page 25: ... left edge of the keyboard into place making sure the two small metal tabs on the keyboard fit under the corresponding plastic tabs on the palmrest s inner edge 3 Lower the right edge of the keyboard into place and press on the blank key below the Shift key until the tab on the palmrest s inner edge engages the keyboard with an audible click 4 Check that the keyboard is correctly installed The key...

Page 26: ...er Five screws on the underside of the back cover One screw behind the docking connector door Six screws on the face of the back cover 3 Close the docking connector door 4 Remove the back cover assembly Grasp the right end of the back cover assembly firmly and unsnap it from the computer Then disengage the left end of the back cover assembly 5 mm screws 12 ...

Page 27: ...ard 3 Remove the back cover assembly 4 Remove the following screws securing the palmrest to the computer One 5 mm screw inside the computer adjacent to the thermal cooling assembly Two 5 mm screws inside the upper edge of the hard disk drive bay You must remove the hard disk drive to access these screws Three 12 mm screws underneath the front edge of the computer palmrest assembly bottom case asse...

Page 28: ...emoving the palmrest NOTE When you replace the palmrest ensure that the vertical tab at the back of the palmrest fits on the outside of the system board assembly near the parallel port connector Also check that the microphone boot is properly located in its slot on the top electromagnetic interference EMI shield and is fitted within the palmrest assembly 7RXFK 3DG QWHUIDFH 0RGXOH LJXUH 7RXFK 3DG Q...

Page 29: ...ve the touch pad interface module from the palmrest 3RZHU XWWRQ 1 Remove the palmrest assembly 2 Turn the palmrest assembly upside down on a flat work surface 3 Compress the two catches securing the power button and remove the power button and spring from the palmrest assembly LVSOD VVHPEO LJXUH LVSOD VVHPEO 5HPRYDO display assembly interface cable display assembly hinges 2 5 mm screws 4 black 5 m...

Page 30: ...ng careful not to damage the display assembly interface cable 7 Remove the four silver 5 mm screws securing each of the two hinge brackets to the bottom case assembly 8 Lift the display assembly from the bottom case assembly NOTE When you reinstall the display assembly install the four screws securing the hinges at the locations marked by arrows on the face of each hinge 87 21 KHQ RX UHLQVWDOO WKH...

Page 31: ...d by snaps around all four of its edges Insert your fingertips between the bezel and the LCD panel and lift upward on the bezel to release the hidden snaps Avoid pressing on the surface of the LCD panel LVSOD VVHPEO DWFK NOTE On a 13 3 inch display you must remove the LCD panel before you can remove the display assembly latch 1 Remove the display assembly bezel 2 Remove the display assembly latch ...

Page 32: ...board 3 Remove the palmrest 4 Remove the display assembly bezel 5 Remove the two 4 5 mm screws at the right corners of the LCD panel 6 Remove the two screws holding the interface connector 7 Disconnect the interface connector Figure 17 shows the cable layout for a 12 1 inch LCD panel LCD panel LCD panel power cable LCD inverter board display assembly top cover interface connector 4 5 mm screws 2 ...

Page 33: ...KH QFK 3DQHO 8 Use the yellow tab to lift the right side of the LCD panel slide the LCD panel to the right and then lift the LCD panel out of the top cover NOTE Remove and replace the LCD as a whole assembly LCD connector interface connector inverter connector ...

Page 34: ...he LCD panel slide the LCD panel to the right and then pivot the panel up 4 Disconnect the interface cable at the center junction connector on the back of the LCD panel 87 21 DUHIXOO SUHVV GRZQ RQ WKH ORFNLQJ WDEV DQG WKHQ SXOO WKH FRQQHFWRU DSDUW Figure 19 shows the two piece A and B cable layout for a 13 3 inch LCD panel LCD panel LCD panel power cable LCD inverter board display assembly top cov...

Page 35: ...D interface cable itself NOTES When you replace the 13 3 inch LCD display always replace the display assembly bezel with the new one that comes with the LCD display If you need to replace the bottom LCD cable on the 13 3 inch display use one bend to route the new cable to the inverter board connector If you need to replace the bottom LCD cable on the 12 1 inch display use two bends to route the ne...

Page 36: ...ows on the face of each hinge LVSOD VVHPEO 7RS RYHU 1 Remove the display assembly 2 Remove the display assembly bezel 3 Remove the LCD panel 4 Remove the display assembly latch 5 Remove the left and right hinges 6 Remove the display assembly interface cable RWWRP DVH VVHPEO The bottom case assembly consists of the following field replaceable components Modular bay device diskette drive assembly CD...

Page 37: ... Manual 29 LJXUH RWWRP DVH VVHPEO I R board modular bay device system board assembly audio shield air flow duct thermal cooling assembly bottom case bracket main battery audio board module latch assembly 2 speakers 2 exhaust fan ...

Page 38: ...holding the latch open while pulling the device out of the modular bay with the other hand XGLR 6KLHOG 1 Remove the back cover assembly 2 Remove the keyboard assembly 3 Remove the palmrest assembly 4 Remove the 5 mm screw securing the audio shield see Figure 22 5 Remove the 5 mm screw securing the EMI drain wire 6 Remove the audio shield NOTE When you replace the audio shield ensure that the audio...

Page 39: ...heir connectors on the audio board The connectors are fragile do not pull on the wires to disconnect them 8 Remove the audio board from the bottom case NOTE When you replace the audio shield ensure that the audio shield is properly seated to prevent it from cutting into the speaker wires or interfering with devices installed in the modular bay You can check this by temporarily installing a device ...

Page 40: ...es from connectors JP1 and JP2 on the audio board The connectors are fragile do not pull on the speaker wires to disconnect them 7 Remove the two 5 mm screws on the left side and one 5 mm screw on the right side of the bottom case bracket 8 Insert the end of a small flat blade screwdriver into the slot in the vertical support in the center of the bottom case and disengage the plastic retaining cli...

Page 41: ...move the bottom case bracket 2 Remove the left latch from the outside of the bottom case by unsnapping the slider spring assembly Keep pressure applied to the slider spring assembly while unsnapping the latch to prevent the slider spring assembly from coming loose from the case If the slider spring assembly does come loose from the case a Carefully reinsert the spring onto the plunger on the slide...

Page 42: ... the right side 6 On the base plastic find the molded label P N ASSY 89501 then use a permanent marker to write A01 to the right of 89501 This revision mark indicates that the latch rework is complete LJXUH HIW 6OLGHU 6SHDNHUV 1 Remove the bottom case bracket 2 If you are replacing the left speaker carefully remove the speaker wires from the retaining clips along the bracket s edges 3 Remove the s...

Page 43: ... 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 1 Remove the back cover assembly 2 Remove the keyboard assembly 3 Remove the palmrest assembly system board assembly bottom case assembly 5 mm screws 2 3 5 mm screw 3 5 mm screws 2 air flow duct...

Page 44: ...move the two 3 5 mm screws from the bottom case assembly located in the rubber feet 12 Turn the assembly over and remove the two 5 mm screws that secure the system board to the bottom case assembly The screws are located in the back rubber feet 13 Lift the system board assembly out of the bottom case assembly 87 21 KHQ RX KDQGOH WKH V VWHP ERDUG EH FDUHIXO QRW WR EHQG RU EUHDN WKH 0 FOLSV WKDW DUH...

Page 45: ...ners 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 To ensure the processor module is seated correctly look at the holes on the processor module fence You should see no less than the top half of the holes all the way around the processor module see Figure 27 LJXUH 3URFHVVRU 0RGXOH processor module processor module fence...

Page 46: ...m screws securing the exhaust fan and then remove the exhaust fan NOTE When you replace the exhaust fan orient the fan so that the fan label faces outward and the power cable is at the upper right corner of the fan when viewed from the back of the computer This prevents the fan wires from being pinched when you reassemble the computer Make sure that the wires are routed under the upper EMI shield ...

Page 47: ...Manual 39 5 RDUG LJXUH 5 RDUG 5HPRYDO 1 Remove the palmrest assembly 2 Remove the 5 mm screw securing the I R board to the system board assembly 3 Lift the I R board straight up from the system board assembly I R board 5 mm screw ...

Page 48: ...eserve battery perform the following steps 1 Remove the back cover assembly 2 Remove the keyboard assembly 3 Remove the palmrest assembly 4 Disconnect the reserve battery cable from connector JRBAT1 on the system board 5 Remove the reserve battery from the bottom case bracket a Tear the reserve battery free from the foam pad b Remove the remnants of the foam pad from the system board assembly NOTE...

Page 49: ...e assembly components 28 illustrated 29 bottom case bracket removal 32 CD ROM drive removal 30 diskette drive removal 30 display assembly bezel removal 23 removal 21 top cover removal 28 ESD 2 exhaust fan removal 38 field replaceable parts and assemblies illustrated 12 list of 5 hard disk drive assembly removal 13 I R board removal 39 ...

Page 50: ...odular bay devices removal 30 module latch assemblies removal 33 module latch assemblies removal 33 3 palmrest assembly removal 19 power button removal 21 preparing to work 2 5 reserve battery removal 40 6 screw identification and tightening 3 sockets memory module 15 speakers removal 34 system board assembly removal 35 7 tools 2 touch pad interface module removal 20 travel module removal 30 ZIF c...

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