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Dell Latitude CPi A Service Manual

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The following subsections describe how to remove an LCD panel.

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1.

Remove the back cover assembly.

2. Remove the keyboard.

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)

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Содержание Latitude CPi A

Страница 1: ...Thank you for purchasing this Factory Service Manual CD DVD from servicemanuals4u com Please check out our eBay auctions for more great deals on Factory Service Manuals servicemanuals4u ...

Страница 2: ... ...

Страница 3: ...ademarks 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 and ...

Страница 4: ...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 Battery or Travel Module 30 Audio Shield 30 Audio Board 31 Bottom Case...

Страница 5: ...5 Display Assembly Bezel Removal 12 1 Inch Display Shown 23 Figure 16 LCD Panel Removal 12 1 Inch Display 24 Figure 17 Cable Layout for the 12 1 Inch LCD Panel 25 Figure 18 LCD Panel Removal 13 3 Inch Display 26 Figure 19 Two Piece Cable Layout for the 13 3 Inch LCD Panel 27 Figure 20 Bottom Case Assembly 29 Figure 21 Modular Bay Device Removal 30 Figure 22 Audio Board Removal 31 Figure 23 Bottom ...

Страница 6: ...vii ...

Страница 7: ...anual Dell provides the System Users Guide for troubleshooting procedures and instructions on using the Dell Diagnostics to test the computer system 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 bet...

Страница 8: ...ted 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 manua...

Страница 9: ...u 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 AC power sources to reduce the potential for personal injury or shock Also disconnect any telephone or telecommunica...

Страница 10: ...he I O panel to dissipate any static electricity that might harm components 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 ...

Страница 11: ...ntly 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 c...

Страница 12: ...i A Power cable U S CORD PWR 110V 6F AC 3W 3P US Service kit audio board SVC PWA AUDIO CPi A 22 Audio shield SHLD W SPR AUDIO CRD 22 Service kit back cover assembly SVC SUBASSY BK CVR DOOR I O CPi A 11 Back cover assembly ASSY BK PLT DOOR I O CPi A Docking bar BAR DOOR DCKG MET Docking door DOOR DCKG PLSTC I O Customer kit main battery CUS BTRY MN 14 4V 8CELL LITH 2 Main battery BTRY MN 14 4V 8CEL...

Страница 13: ...D ROM drive shield SHLD CD CPi A CD ROM drive label LBL REG CD 24X Diskette drive service kit SVC SUBASSY FD F3 INT EXT CPi A 21 Diskette drive subassembly SUBASSY FD F3 INT EXT CPi A Diskette drive FD F3 CPi A Diskettedriveassemblybot tom cover CVR BTM PLSTC FD F3 CPi A Diskettedriveassemblytop cover CVR TOP PLSTC FD F3 CPi A Diskette drive assembly interface board PWA INTFC FD F3 CPi A Diskette ...

Страница 14: ...INSUL HD CPi A Hard disk drive carrier screws SCR M3X3 PHH LP ZPS Service kit I R board SVC PWA FAST IR CPi A 30 Keyboard Belgian KYBD 88 BEL CPi A 10 Keyboard Chinese KYBD 87 CHI CPi A Keyboard Danish KYBD 88 DEN CPi A Keyboard French KYBD 88 FR CPi A Keyboard French Canadian KYBD 87 FR CAN CPi A Keyboard German KYBD 88 GER CPi A Keyboard Italian KYBD 88 ITALIAN CPi A Keyboard Japanese KYBD 90 JP...

Страница 15: ... including LCD brackets cable and inverter SVC LCD CBL INV TFT zzz 12 1 CPi A 16 17 Bezel service kit 12 1 inch display SVC BZL LCD 12 1 CPi A 15 Display assembly bezel BZL LCD TFT 12 1 CPi A Bezel retaining screw cov ers uppercorners 12 1 inch display CVR SCR TOP RND ADH Bezel retaining screw cov ers lower CVR SCR BTM OVAL ADH Display assembly bezel re taining screw covers latch 12 1 inch display...

Страница 16: ... A FACT Customer kit memory module 128 MB 128MB DIMM SDRAM LATCPiA FACT Service kit memory door assembly SVC SUBASSY DOOR MEM BIOS CPi A 7 Memory BIOS door subassembly SUBASSY DOOR MEM BIOS NB CPi A Touch pad bracket BRCKT TPAD CPi A 13 Air flow duct GDE INTK AIR FAN PLSTC CPi A 26 Service kit palmrest assembly SVC SUBASSY PLMRST CPi A 12 Palmrest assembly ASSY PLMRST GRY CPi A Power button SWT PW...

Страница 17: ... ZPS 30 Back cover SCR M2 6X5 PHH LP ZPS 11 Audio 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 29 Left speaker assembly SUBASSY SPKR LF W WIRES Right speaker assembly SUBASSY SPKR RT W WIRES System board assembly CPi A service kit SVC ASSY PRM PWA ENGINE CPi A 26 System board assembly CPi A service kit SVC ASSY PRM PWA ENGINE CPi A ...

Страница 18: ...Microphone boot GRMT RBR BOOT MCPHN Main system board PWA PLN 0M NB CPi A Video PC Card board PWA DTRBD VID PCMCIA CPi A LED board PWA LED CPi A Exhaust fan and cable FAN 25X25X10 CPi A Microphone MCPHN CPi A Reserve battery BTRY RSRV 7 2 30MAH 6 NIHD Foam pad PAD FOAM BTRY RSRV CPi A 3 Service kit thermal cooling subassembly SVC SUBASSY HTSNK CPU HYB CPi A 26 3 Touch pad service kit SVC TPAD SQ I...

Страница 19: ...nual 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 ...

Страница 20: ...al 13 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 hard disk drive door 5 mm screws 2 ...

Страница 21: ...omputer 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 ...

Страница 22: ...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 corresponding key in the...

Страница 23: ... right side up and open the display 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 e...

Страница 24: ...f 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 keys should be ...

Страница 25: ...nderside 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 ...

Страница 26: ...over 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 assembly 12 mm screws 3 5 m...

Страница 27: ...e not to damage the snaps when removing 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 5 1 Remove ...

Страница 28: ... black plastic latch 5 Remove the touch pad interface module from the palmrest 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 display assembly interface cable display assembly hinges 2 5 mm screws 4 black 5 mm display assembly interf...

Страница 29: ...e system board Grasp the grounding tabs and pull the connector straight up from the system board 6 Close the display being careful not to damage the display assemblyinterface 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...

Страница 30: ...ll 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 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 by unsnapping the latch and captive s...

Страница 31: ...almrest 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 ...

Страница 32: ... 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 0 9 5 5 9 LCD connector interface connector inverter connector ...

Страница 33: ... panel to the right and then pivot the panel up 4 Remove the connector tape from the interface cable at the center junction connector on the back of the LCD panel see Figure 19 5 Disconnect the interface cable at the center junction connector 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 cover in...

Страница 34: ... 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 new cable to the inverter board conne...

Страница 35: ... marked by arrows on the face of each hinge 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 The bottom case assembly consists of the following field replaceable components Modular bay device diskette drive assembly CD ROM drive assembly or tr...

Страница 36: ...i A Service Manual 29 4 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 ...

Страница 37: ...ther hand 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 shield is properly seated to prevent it from cutting into the speaker wires or interfering w...

Страница 38: ...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 in the modular b...

Страница 39: ...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 clip 9 Lift the bottom cas...

Страница 40: ...et 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 slider and reinstall the slider...

Страница 41: ...r the latch on 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 9 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 speaker fro...

Страница 42: ...computer Thereplacementkitforthe system boardassemblyincludes adiskette 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 thermal cooling assembly ...

Страница 43: ...s the one slot hold down clip to the fence Two tabs lock the two slot clip to the fence To remove the clip perform the following steps to bend the tabs away from the fence a Insert a small flat blade screwdriver into one of the slots at the top of the clip see Figure 27 b Bend the tab away from the fence by carefully tipping the screwdriver away from the processor module c If your computer has a t...

Страница 44: ...the processor module The tool fits on the left side of the module in the notches 1 0 9 Remove the air flow duct 10 Verify that the PC Card ejectors do not extend from the PC Card bay 11 Remove the 2 5 mm screw from the center of the computer s left rear foot two slot hold down clip slots processor module fence processor module fence one slot hold down clip slot ...

Страница 45: ...e diskette drive and turn on the computer Follow the instructions on the display When you reinstall the microprocessor module in the system board make sure you press down evenly at all four corners of the module 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 To e...

Страница 46: ...ring 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 exhaust fan 1...

Страница 47: ...e CPi A Service Manual 4 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 ...

Страница 48: ... 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 When you replace the reserve battery first connect the reserve battery cable to the system board Then position the reserve battery on the hard disk drive bay so that there is minimal slack in the c...

Страница 49: ...42 Dell Latitude CPi A Service Manual ...

Страница 50: ...ents 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 39 field replaceable parts and assemblies illustrated 12 list of 5 hard disk drive assembly removal 13 I R board removal 40 keyboard assembly removal 16 ...

Страница 51: ...devices removal 30 module latch assemblies removal 33 module latch assemblies removal 33 palmrest assembly removal 19 power button removal 21 preparing to work 2 reserve battery removal 41 screw identification and tightening 3 sockets memory module 15 speakers removal 34 system board assembly removal 35 tools 2 touch pad interface module removal 20 travel module removal 30 ZIF connectors 4 ...

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