Dell SmartStep 200N Replacement Manual Download Page 81

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System Board

Remove the black tape from the system board and power shield, and

save the tape for use when you replace the power shield.

Lift and remove the power shield from the system board.

Installing the System Board

Replace the power shield along with the black tape at the rear-right

corner of the bottom case.

Lower the system board into the back of the bottom case at a 45-

degree angle.

power shield

system board

black tape

Summary of Contents for SmartStep 200N

Page 1: ...he Computer 8 Recommended Tools 10 Computer Orientation 11 Screw Identification 11 3 System Components 4 Memory Module Modem and Optical Drive Memory Module 22 Removing the Memory Module 22 Modem 26 Optical Drive 29 Installing an Optical Drive 30 5 Hard Drive Removing the Hard Drive 32 Installing the Hard Drive 34 ...

Page 2: ...e Display Latch 51 Installing the Display Latch 51 Removing the Display Hinges 51 Installing the Display Hinges 51 8 Reserve Battery and Palm Rest Reserve Battery 54 Palm Rest 56 9 Floppy Drive 10 Microprocessor Thermal Cooling Assembly and Microprocessor Module Microprocessor Thermal Cooling Assembly 66 Microprocessor Module 67 11 Speakers Removing the Speakers 70 Installing the Speakers 71 ...

Page 3: ...g the System Board 74 Installing the System Board 81 13 Optical Drive Latch and Battery Latch Assemblies Removing the Optical Drive Latch and Battery Latch Assemblies 84 Installing the Optical Drive Latch and Battery Latch Assemblies 85 ...

Page 4: ...4 Contents ...

Page 5: ...1 S E C T IO N 1 Removing and Replacing Parts ...

Page 6: ...6 Removing and Replacing Parts w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 7: ...2 S E C T IO N 2 Before You Remove or Install Parts ...

Page 8: ...Save any work in progress and exit all open programs 3 Shut down the computer and turn off all attached devices HINT Ensure that the computer is off and not in a power management mode If you cannot shut down the computer using the computer operating system press and hold the power button for 4 seconds 4 Disconnect the computer from the electrical outlet 5 To avoid possible damage to the system boa...

Page 9: ...toward the back of the computer and hold them c Lift the battery up using the raised tab toward the front of the computer d Remove the battery from the computer 10 To dissipate any static electricity while you work use a wrist grounding strap or periodically touch an unpainted metal surface 1 battery 2 battery latch release 3 battery lock 3 1 2 ...

Page 10: ... a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a microprocessor by its edges not by its pins Recommended Tools The procedures in this document require the following tools 1 magnetized Phillips screwdriver inch flat blade screwdriver Nut driver Small plastic scribe Microprocessor extractor Flash BIOS program update floppy disk ...

Page 11: ...n Screw Identification When you are removing and installing components print the following few pages as a placemat to lay out and keep track of the component screws The placemat provides the number of screws and the sizes 1 back 2 right 3 front 4 left 3 1 2 4 ...

Page 12: ... o r t d e l l c o m NOTICE When reinstalling a screw you must use a screw of the correct diameter and length Ensure that the screw is properly aligned with its corresponding hole and avoid overtightening Modem to system board 2 each Hard drive 4 each Keyboard 3 each ...

Page 13: ...Before You Remove or Install Parts 13 Display to bottom case 2 each Palm rest shield 1 each Display hinges 2 each 2 each 1 each ...

Page 14: ...large screw bumpers 2 each small screw bumpers 2 each screw cover 1 each 5 each 2 each 2 each Display inverter screw 1 each Display hinges screw Palm rest to bottom case 2 each 13 each 1 each 1 each Floppy drive to system board 1 each Thermal assembly to heat sink 4 each Speaker to bottom case 2 each ...

Page 15: ...Before You Remove or Install Parts 15 Video shield 4 each Motherboard shield 2 each System board to bottom case 3 each 1 each ...

Page 16: ...16 Before You Remove or Install Parts w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 17: ...3 S E C T IO N 3 System Components ...

Page 18: ...ervice technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty NOTICE Unless otherwise noted each procedure in this document assumes that a part can be replaced by performing the removal procedure in reverse order ...

Page 19: ...System Components 19 2 22 16 7 18 3 5 4 21 8 12 10 9 6 15 14 13 11 19 20 17 1 ...

Page 20: ...d drive 3 hinge cover 14 battery 4 keyboard 15 optical drive 5 palm rest shield 16 rubber bumper 6 microprocessorthermal cooling assembly 17 floppy drive 7 system board shield 18 speakers 2 8 microprocessor module 19 charger board 9 power shield 20 video shield 10 system board 21 palm rest 11 modem 22 reserve battery ...

Page 21: ...4 S E C T IO N 4 Memory Module Modem and Optical Drive ...

Page 22: ...move any installed battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Turn the computer over and remove the memory module cover a Loosen the captive screw on the memory module cover b Lift the door 1 captive screw 2 memory...

Page 23: ...you are installing a memory module remove the existing module NOTICE Handle memory modules by their edges and do not touch the components on a module a Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector The module normally pops up b Remove the module from the connector 1 memory module 2 memory module connector 3 securing clip 1 3 2 ...

Page 24: ... it in the socket labeled DIMM A If you are installing a second module install it in the socket labeled DIMM B a Align the notch in the module with the slot in the center of the connector at approximately a 45 degree angle b Slide the edge of the module firmly into the connector and rotate the module down until it clicks into place If you do not feel a click remove the module and reinstall it ...

Page 25: ...he bottom case b Rotate the memory module cover down and tighten the captive screw NOTICE If the memory module cover is difficult to close remove the module and reinstall it Forcing the cover to close may damage your computer 5 Insert the battery into the battery bay or connect the AC adapter to your computer and an electrical outlet 6 Turn on the computer 1 captive screw 2 memory module cover 3 t...

Page 26: ... down the computer disconnect it from the electrical outlet and disconnect the modem from the telephone wall jack NOTICE Disconnect any attached devices from electrical outlets and remove any installed battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before perfor...

Page 27: ... computer over and remove the modem cover a Loosen the captive screw in the modem cover b Lift the modem cover away from the computer 2 Remove the existing modem 1 M2 x 4 mm screws 2 2 modem 3 modem cable connector 4 modem cable 5 system board 1 3 2 4 5 ...

Page 28: ...f its connector ensuring that you do not pull on the modem cable c Pull on the modem cable connector to disconnect the cable from the modem d Lift out the modem 3 Connect the modem cable to the new modem and tuck the cable beneath the modem NOTICE The modem cable connector is keyed for correct insertion do not force the connections 4 Align the modem with the screw holes and press the modem into it...

Page 29: ... captive screw NOTICE Replace the modem cover so that it is seated properly around the edges and does not bulge near the center of the cover Tightening the modem cover screw when the cover is improperly seated can damage your computer Optical Drive 1 captive screw 2 modem cover 1 3 2 ...

Page 30: ... bay latch release open while pulling the optical drive straight out of the module bay Installing an Optical Drive 1 Line up the optical drive with the module bay 2 Push the optical drive straight into the module bay until the drive clicks into place 1 module bay latch release 2 module bay 3 optical drive ...

Page 31: ...5 S E C T IO N 5 Hard Drive ...

Page 32: ...d Preparing to Work Inside the Computer before performing the following procedure 1 Ensure that the work surface is flat and clean to prevent scratching the computer cover 2 Save and close any open files exit any open programs and shut down the computer NOTICE Disconnect the computer and any attached devices from electrical outlets and remove any installed battery NOTICE To avoid ESD ground yourse...

Page 33: ... module bay Remove the screws in numerical order NOTICE Pushing down on the top of the hard drive can damage the drive 5 Slightly lift the hard drive and remove the drive from the bay by pulling directly on the pull tab at the front of the drive 1 black numbered M2 5 x 6 mm screws 4 2 hard drive 3 pull tab 3 2 1 ...

Page 34: ...ve into place using excessive force you may damage the connector 2 Lower the hard drive flat into the hard drive bay 3 Push the hard drive toward the back of the computer until the drive engages securely with the connectors at the back of the bay 4 Reinstall the four M2 5 x 6 mm screws in the same order in which they were removed 5 Use the Operating System CD to install the operating system for yo...

Page 35: ...6 S E C T IO N 6 Keyboard ...

Page 36: ...al outlets and remove any installed battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 2 1 4 3 1 hinge cover 2 plastic scribe 3 power button cable 4 power button board connector ...

Page 37: ... from the power button board connector located on the back of the hinge cover c Lift the hinge cover away from the computer 2 Remove the three silver flat headed M2 x 4 mm screws across the top of the keyboard NOTICE The keycaps on the keyboard are fragile easily dislodged and time consuming to replace Be careful when removing and handling the keyboard 1 silver flat headed M2 x 4 mm screws 3 2 key...

Page 38: ...ward the front of the computer 5 Rest the key face of the keyboard on the palm rest NOTICE Do not pull on the keyboard flex cable 6 Using a plastic scribe lift both sides of the keyboard flex cable connector 7 Lift the keyboard out of the bottom case 1 keyboard resting on palm rest 2 plastic scribe 3 keyboard flex cable 4 keyboard flex cable connector 1 2 3 4 ...

Page 39: ...ompletely inside the connector 3 Press down on the two corners of the keyboard flex cable connector until the keyboard flex cable is secure NOTICE Position the keyboard flex cable so that it is not pinched when you replace the keyboard in the bottom case 4 Rotate the keyboard forward and fit it into the bottom case ensuring that the tabs at the bottom of the keyboard fit into place When the keyboa...

Page 40: ...40 Keyboard w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 41: ...7 S E C T IO N 7 Display Assembly and Display L atch ...

Page 42: ...connect the computer and any attached devices from electrical outlets and remove any installed battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the keyboard 2 Close the display 1 M2 5 x 7 mm screws 2 1 2 ...

Page 43: ...o M2 5 x 7 mm screws from the bottom of the computer 4 Turn the computer top side up and remove the round headed M2 x 5 mm screw that attaches the palm rest shield to the system board 5 Lift the palm rest shield away from the computer 1 palm rest shield 2 round headed M2 x 5 mm screw 1 2 ...

Page 44: ... from the top of the computer 8 Pull up and remove the black display cable from its connector 9 Remove the round headed M2 x 5 mm screw from the gray display cable and use the pull tab to remove the gray cable from its connector Ensure that the gray cable is clear of the palm rest 1 black M2 5 x 6 mm screws 2 2 silver M2 x 5 mm screws 2 3 M2 x 5 mm display cable screw 4 display 5 bottom case 4 5 1...

Page 45: ...d any attached devices from electrical outlets and remove any installed battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the keyboard 2 Remove the display assembly ...

Page 46: ...46 Display Assembly and Display Latch w w w d e l l c o m s u p p o r t d e l l c o m 3 1 2 5 6 7 8 4 ...

Page 47: ...d on the front of the bezel NOTICE Carefully separate the bezel from the top cover to avoid damage to the bezel 5 Starting at the bottom of the display panel use your fingers to separate the bezel from the top cover by lifting the inside of the bezel while pushing in on the outside 1 large screw bumpers 2 5 M2 5 x 6 mm inverter screw 2 2 5 x 6 mm screws 5 6 top cover 3 display bezel 7 screw cover ...

Page 48: ...nect the computer and any attached devices from electrical outlets and remove any installed battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the keyboard 2 Remove the display assembly 3 Remove the display bezel 1 ...

Page 49: ...Display Assembly and Display Latch 49 5 4 6 3 1 7 2 ...

Page 50: ...he display panel away from the top cover of the computer 7 Using the pull tab remove the display flex cable from the display flex cable connector on the back of the display panel 1 display panel 5 M2 x 5 mm screws 2 display latch 6 display connector 3 M2 x 3 mm screws 7 display cable 4 top cover 1 display flex cable connector 2 pull tab 3 display flex cable 2 1 3 ...

Page 51: ...ng Installing the Display Latch 1 Holding the display latch spring in place insert the display latch into the right side of the latch opening The peg on the left side of the latch slides into place 2 Replace the display bezel 3 Replace the display assembly 4 Replace the keyboard Removing the Display Hinges 1 Remove the keyboard 2 Remove the display assembly 3 Remove the two black M2 5 x 6 mm screw...

Page 52: ...52 Display Assembly and Display Latch w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 53: ...8 S E C T IO N 8 Reserve Battery and Palm Rest ...

Page 54: ...id ESD ground yourself by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the keyboard 2 Remove the palm rest shield a Remove the round headed M2 x 5 mm screw that attaches the palm rest shield to the system board b Lift the palm rest shield away from the computer 1 palm rest shield 2 round hea...

Page 55: ... Battery and Palm Rest 55 3 Remove the system board shield by removing the two silver round headed M2 x 5 mm screws on each side of the shield 1 silver round headed M2 x 5 mm screws 2 2 system board shield 1 2 ...

Page 56: ... from the reserve battery connector 5 Lift the reserve battery away from the palm rest Palm Rest 1 Remove the keyboard 2 Remove the display assembly 3 Remove the palm rest shield 4 Remove the system board shield 5 Disconnect the reserve battery 1 reserve battery connector 2 reserve battery cable 3 reserve battery 1 3 2 ...

Page 57: ...Reserve Battery and Palm Rest 57 6 Remove the touch pad cable from the touch pad connector on the system board 1 touch pad 4 palm rest 2 touch pad cable 5 bottom case 3 touch pad connector 2 3 4 1 5 ...

Page 58: ...58 Reserve Battery and Palm Rest w w w d e l l c o m s u p p o r t d e l l c o m 1 2 3 6 4 5 ...

Page 59: ...bottom case 9 Remove the black M2 5 x 6 mm screw from the front of the module bay and remove the silver M2 x 4 mm screw from the front of the battery bay 10 Pull up on the back of the palm rest releasing the snaps that hold the palm rest to the bottom case 1 silver round headed M2 x 5 mm screws 2 4 module bay 2 black M2 5 x 6 mm screws 13 5 battery bay 3 black M2 5 x 6 mm screw 1 6 silver M2 x 4 m...

Page 60: ...60 Reserve Battery and Palm Rest w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 61: ...9 S E C T IO N 9 Floppy Drive ...

Page 62: ...lled battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the palm rest 2 Remove the floppy drive cable from the floppy drive connector 3 Remove the M2 x 5 mm screw that secures the floppy drive to the system board an...

Page 63: ...Floppy Drive 63 ...

Page 64: ...64 Floppy Drive w w w d e l l c o m s u p p o r t d e l l c o m ...

Page 65: ...10 S E C T I O N 1 0 Microprocessor Thermal Cooling Assembly and Microprocessor Module ...

Page 66: ... the computer and any attached devices from electrical outlets and remove any installed battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the display assembly 2 Remove the palm rest 3 4 2 1 ...

Page 67: ... the computer and any attached devices from electrical outlets and remove any installed battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the display assembly 2 Remove the palm rest 3 Remove the microprocessor ther...

Page 68: ...rocessor connector on the system board NOTICE The microprocessor thermal cooling assembly and the microprocessor module are a mated pair Keep the microprocessor module and the microprocessor thermal cooling assembly together When you replace the microprocessor module only use the microprocessor thermal cooling assembly that came with the new microprocessor module 1 microprocessor module 2 micropro...

Page 69: ...11 S E C T I O N 1 1 Speakers ...

Page 70: ...p or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the hard drive 2 Remove the keyboard 3 Remove the display assembly 4 Remove the palm rest The speakers are located at both corners of the front of the bottom case Take note of the speaker cable routing so that you can replace the cables pr...

Page 71: ...ach speaker to the bottom case 7 Lift the speakers out of the bottom case and remove the speaker cable from under the cable routing clips and tape Keep the tape for use it when you install the speakers Installing the Speakers 1 speaker connector 6 cable routing clips 7 2 battery bay 7 tape 3 module bay 8 speaker cable 4 silver M2 x 4 mm screw 1 9 left speaker 5 right speaker 10 silver M2 x 4 mm sc...

Page 72: ...ard 2 Replace the single silver M2 x 4 mm screw that secures each speaker to the bottom case 3 Route the speaker cable under or between the cable routing clips and replace the tape so that the cable lies completely flat 1 speaker connector 6 cable routing clips 7 2 battery bay 7 tape 3 module bay 8 speaker cable 4 silver M2 x 4 mm screw 9 left speaker 5 right speaker 10 silver M2 x 4 mm screw 1 ...

Page 73: ...12 S E C T I O N 1 2 System Board ...

Page 74: ...nnect the computer and any attached devices from electrical outlets and remove any installed battery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the battery 2 Remove the optical drive 3 Remove the hard drive 4 Remove...

Page 75: ... Board 75 11 Remove the charger board from the system board by pulling directly up on the charger board disconnecting it from the two chaarger board connectors 1 charger board 2 charger board connectors 2 1 2 ...

Page 76: ... l c o m s u p p o r t d e l l c o m 12 Remove the four silver round headed M2 x 5 mm screws that secure the video shield to the system board and remove the video shield 1 silver round headed M2 x 5 mm screws 4 2 video shield 1 2 ...

Page 77: ...ystem Board 77 13 Disconnect the speaker cable from the speaker connector 14 Remove the microprocessor thermal cooling assembly 15 Remove the microprocessor module 1 speaker connector 2 speaker cable 1 2 ...

Page 78: ...78 System Board w w w d e l l c o m s u p p o r t d e l l c o m 16 Remove the rubber bumper from the side of the system board near the audio connectors 1 rubber bumper 1 ...

Page 79: ...ilver round headed M2 x 5 mm screw and the silver flat headed M2 x 4 mm screw from the PC Card cage on the system board b Remove the two silver round headed M2 x 5 mm screws that secure the system board to the bottom case 1 silver round headed M2 x 5 mm screws 3 2 silver flat headed M2 x 4 mm screw 1 1 2 ...

Page 80: ...oard away from the bottom case below the PC Card cage 19 Place the scribe between the audio jack and the volume wheel at the left side of the bottom case and pry the system board away from the bottom case 20 Lift the system board away from the bottom case 1 3 2 1 plastic scribe 2 system board 3 bottom case ...

Page 81: ...he power shield 22 Lift and remove the power shield from the system board Installing the System Board 1 Replace the power shield along with the black tape at the rear right corner of the bottom case 2 Lower the system board into the back of the bottom case at a 45 degree angle 1 power shield 2 system board 3 black tape 1 2 3 ...

Page 82: ...e assembly is put back together 9 Replace the video shield that you removed from the old system board 10 Replace the display assembly and the keyboard 11 Replace the floppy drive palm rest optical drive modem memory module and hard drive 12 If applicable replace the PC Card or blanks in the PC Card slot NOTICE Before turning on the computer replace all screws and ensure that no stray screws remain...

Page 83: ...13 S E C T I O N 1 3 Optical Drive L atch and Battery L atch Assemblies ...

Page 84: ...ttery NOTICE To avoid ESD ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer NOTICE Read Preparing to Work Inside the Computer before performing the following procedure 1 Remove the system board 2 For the optical drive latch releases the two battery latch releases and the battery lock 1 module bay latch release 5 snap tabs 2 battery lock 6 la...

Page 85: ...prings for the latches Installing the Optical Drive Latch and Battery Latch Assemblies 1 Load the latch assemblies with their springs and snap them into place with the latch slider on the bottom case 2 Snap the battery lock assembly into place with its slider on the bottom case To prevent the latch assemblies from coming loose apply pressure to the latch button and spring while installing the latc...

Page 86: ...al Drive Latch and Battery Latch Assemblies w w w d e l l c o m s u p p o r t d e l l c o m Ensure that the newly installed latch releases and the battery lock move smoothly and freely when pushed and released ...

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