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 Button Board  

Dell™ Inspiron™ 1525/1526 Service Manual 

 

 

 

 

 

 

Removing the Button Board 

 

 

1.

Follow the procedures in 

Before You Begin

 

 

 

  

2.

Remove the center control cover (see 

Removing the Center Control Cover

).  

 

 

  

3.

Remove the keyboard (see 

Removing the Keyboard

).  

 

 

  

4.

Disconnect the button board cable from the system board.  
 

 

  

5.

Gently pry up the button board from the securing tabs starting from the top left corner.  
 

  

 

 

Replacing the Button Board 

 

 

1.

To replace the button board, remove the palm rest (see 

Removing the Palm Rest

).  

 

 

  

2.

Connect the button board cable to the system board.  
 

 

  

3.

Place the button board in position and gently press until the button board secures within the tabs.  
 

 

  

4.

Replace the keyboard (see 

Replacing the Keyboard

).  

 

 

  

5.

Replace the center control cover (see 

Replacing the Center Control Cover

).  

 

Back to Contents Page

 

 

 

 

CAUTION: 

Before you begin any of the procedures in this section, follow the safety instructions in the 

Product Information Guide

.

 

NOTICE: 

To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such 

as a connector on the back of the computer).

 

NOTICE: 

To help prevent damage to the system board, you must remove the battery from the battery bay before you begin working inside the 

computer. 

button board 

button board cable 

Summary of Contents for 1526 - Inspiron - Laptop

Page 1: ...heir products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own Model PP29L January 2008 Rev A00 Before You Begin Subscriber Identity Module Optional ExpressCards Using the Memory Card Reader Optical Drive Hard Drive Center Control Cover Internal Card With Bluetooth Wireless Technology Keyboard Button Board Memory Display Speaker Assembly Palm Rest Expres...

Page 2: ...ponents may appear differently than shown in this document CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty NOTICE To avoid electrostatic discharge grou...

Page 3: ... the battery release latch until they click into place 8 Slide the battery out of the battery bay 9 Turn the computer top side up open the display and press the power button to ground the system board Back to Contents Page 1 battery 2 battery release latch ...

Page 4: ...in the main battery is properly installed and a network cable is attached 2 Turn on the computer 3 Locate the latest BIOS update file for your computer at support dell com 4 Click Download Now to download the file 5 If the Export Compliance Disclaimer window appears click Yes I Accept this Agreement The File Download window appears 6 Click Save this program to disk and then click OK The Save In wi...

Page 5: ...Great user manuals database on UserManuals info 9 Double click the file icon on the desktop and follow the instructions on the screen Back to Contents Page ...

Page 6: ...luetooth Wireless Technology 1 Connect the cable to the card 2 Slide the card at an angle into the card compartment and replace the securing screw 3 Replace the center control cover see Replacing the Center Control Cover Back to Contents Page CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE To avoid electrostatic ...

Page 7: ...tton board cable to the system board 3 Place the button board in position and gently press until the button board secures within the tabs 4 Replace the keyboard see Replacing the Keyboard 5 Replace the center control cover see Replacing the Center Control Cover Back to Contents Page CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Informa...

Page 8: ...ng up 2 Slide the card into the slot until the card is completely seated in its connector If you encounter too much resistance do not force the card Check the card orientation and try again The computer recognizes the memory card and automatically loads the appropriate device driver If the configuration program tells you to load the manufacturer s drivers use the media that came with the memory ca...

Page 9: ...er 7 Remove the two screws at the top of the keyboard CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on the back of the computer NOTICE To help prevent dama...

Page 10: ...right edge near the top to snap the keyboard into place 4 Replace the two screws on the top of the keyboard 5 Reconnect the media control buttons connector to the center control cover 6 Insert the left edge of the center control cover 7 Press from left to right until the cover snaps into place 8 In the battery bay replace the two screws that secure the center control cover Back to Contents Page NO...

Page 11: ...eyboard 8 Remove the display assembly see Removing the Display Assembly 9 Remove the internal card with Bluetooth wireless technology if installed see Removing the Internal Card With Bluetooth Wireless Technology 10 Remove the palm rest see Removing the Palm Rest 11 Remove the ExpressCard cage see Removing the ExpressCard Cage 12 Remove the processor thermal cooling assembly see Removing the Proce...

Page 12: ...he positive side up 2 Slide the coin cell battery into the slot and gently press until it snaps to the slot 3 Follow the steps in Removing the Coin Cell Battery in the reverse order Back to Contents Page CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide ...

Page 13: ...or thermal cooling assembly The oils in your skin can reduce the heat transfer capability of the thermal pads NOTICE When removing the processor module pull the module straight up Be careful not to bend the pins on the processor module CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide NOTICE Do not touch the processor die Press and hol...

Page 14: ...d properly 2 Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board 3 Replace the processor thermal cooling assembly see Replacing the Processor Thermal Cooling Assembly Back to Contents Page 1 ZIF socket cam screw 2 ZIF socket 3 pin 1 corner NOTICE To avoid damage to the processor hold the screwdriver so that it is perpendicular to the process...

Page 15: ...curing the back cover and remove the module cover 4 In sequential order loosen the five captive screws securing the processor thermal cooling assembly to the system board then carefully lift the processor thermal cooling assembly out of the computer Replacing the Processor Thermal Cooling Assembly CAUTION Before you begin the following procedure follow the safety instructions in the Product Inform...

Page 16: ...s on the system board 2 In sequential order tighten the five captive screws to secure the processor thermal cooling assembly to the system board 3 Replace the module cover and tighten the eight captive screws Back to Contents Page CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide ...

Page 17: ... back cover and remove the cover 3 Disconnect the antenna cables from the mini cards 4 Lift the antenna cables from the securing tabs and release them from the routing channel 5 Remove the two screws securing the display assembly from the bottom of the computer 6 Remove the center control cover see Removing the Center Control Cover 7 Remove the keyboard see Removing the Keyboard CAUTION Before you...

Page 18: ...structions in Before You Begin 2 Align the display hinges with the holes in the base of the computer then lower the display into place 3 Replace and tighten the four display assembly hinge screws 4 Slide the antenna cables through the routing hole to the base of the computer 5 Replace the display cable camera cable and antenna cables in their proper routing guides 1 display cable 2 camera cable 1 ...

Page 19: ...ter control cover see Removing the Center Control Cover 3 Remove the keyboard see Removing the Keyboard 4 Remove the display assembly see Removing the Display Assembly 5 Remove the six rubber display bumpers from around the display bezel 6 Remove the captive screw and five shoulder screws from around the display bezel 7 Starting from the bottom corner of the display panel use your fingers to pry t...

Page 20: ...ing the Display Panel 1 Follow the instructions in Before You Begin 2 Remove the center control cover see Removing the Center Control Cover 3 Remove the keyboard see Removing the Keyboard 4 Remove the display assembly see Removing the Display Assembly 5 Remove the display bezel see Removing the Display Bezel 6 Remove the two screws securing the display panel to the cover 7 Lift the display panel o...

Page 21: ... holes on the display panel with the corresponding screw holes and guide pins on the top cover 5 Gently lower the display panel into place and replace the two screws that secure the display panel to the cover 6 Replace the eight screws four on each side of the display panel to secure the display brackets to the display panel 7 Replace the display bezel see Replacing the Display Bezel 8 Replace the...

Page 22: ...panel see Removing the Display Panel 7 Disconnect the camera cable connector from the camera and microphone asssembly 8 Lift the camera and microphone assembly out of the display cover Replacing the Camera and Microphone Assembly 1 Follow the instructions in Before You Begin 2 Place the camera microphone assembly on the display cover 3 Connect the camera cable connector to the camera microphone as...

Page 23: ...xpressCard cage to the computer base 8 Lift the ExpressCard cage gently out of its system board connector and remove it Replacing the ExpressCard Cage 1 Replace the three screws securing the ExpressCard cage 2 Connect the ExpressCard cable connector to the system board 3 Replace the palm rest see Replacing the Palm Rest 4 Replace the speakers see Replacing the Speaker Assembly 5 Replace the displa...

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Page 25: ...ces other than Dell CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide CAUTION Do not touch the metal housing of the hard drive if you remove the hard drive from the computer while the drive is hot NOTICE To prevent data loss turn off your computer before removing the hard drive Do not remove the hard drive while the compu...

Page 26: ...g Your Operating System in your Owner s Manual 5 Install the drivers and utilities for your computer as needed see Reinstalling Drivers and Utilities in your Owner s Manual Back to Contents Page 1 hard drive cover 2 screws 2 3 hard drive CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE Hard drives are extremely fr...

Page 27: ...e the cable 3 Align the tabs along the bottom of the keyboard and slide them under the palm rest 4 Press on the right edge near the top to snap the keyboard into place 5 Replace the two screws on the top of the keyboard Back to Contents Page CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE To avoid electrostatic d...

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Page 29: ...8 Remove the display assembly see Removing the Display Assembly 9 Remove the internal card with Bluetooth wireless technology if installed see Removing the Internal Card With Bluetooth Wireless Technology 10 Remove the palm rest see Removing the Palm Rest 11 Remove the ExpressCard cage see Removing the ExpressCard Cage 12 Remove the processor thermal cooling assembly see Removing the Processor The...

Page 30: ...tery Latch Assembly in the reverse order Back to Contents Page 1 plastic grip 2 battery latch assembly 3 spring NOTICE Before you remove the battery release button observe the orientation of the button to ensure proper installation when the button is replaced CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide NOTICE Ensure the battery l...

Page 31: ...and remove the cover 3 Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the module pops up 4 Remove the module from the connector CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTE Memory modules purchased from Dell are covered under your computer warran...

Page 32: ...ots it detects the additional memory and automatically updates the system configuration information To confirm the amount of memory installed in the computer click Start Help and Support Dell System Information Back to Contents Page 1 securing clips 2 2 memory module NOTICE To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted me...

Page 33: ...N Removing Mini Card 1 Follow the procedures in Before You Begin 2 Turn the computer over 3 Loosen the eight captive screws securing the back and remove the cover 4 Disconnect the antenna cables from the Mini card CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Information Guide NOTICE To help prevent damage to the system board you must ...

Page 34: ...es to the Mini Card ensuring that you route the cables correctly 5 Secure unused antenna cables in the protective mylar sleeve 6 Replace the cover and tighten the eight captive screws 1 antenna cable connectors 2 securing screw 1 Mini card NOTICE The connectors are keyed to ensure correct insertion If you feel resistance check the connectors on the card and on the system board and realign the card...

Page 35: ... its system board connector Replacing the FCM 1 Insert the FCM connector at a 45 degree angle into the system board connector labeled FCM 2 Press the other end of the FCM down into the slot on the system board until the card clicks into place 3 Replace the M2 x 3 mm securing screw Back to Contents Page NOTE If you leave the area ground yourself again when you return to the computer 1 FCM Card 2 M2...

Page 36: ... Begin 2 Turn the computer over 3 Remove the locking screw from the optical drive 4 Using a plastic scribe or screw driver push the notch to release the optical drive from the bay 5 Slide the optical drive out of the bay Replacing the Optical Drive 1 Slide the optical drive into the bay 2 Replace and tighten the locking screw Back to Contents Page 1 locking screw 2 notch 3 optical drive ...

Page 37: ...ee Removing the Display Assembly 8 Remove the nine screws from the bottom of the computer 9 Turn the computer over and remove the two screws securing the top of the palm rest 10 Disconnect the touch pad connector and the device status lights LED connector from the system board CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide NOTE It i...

Page 38: ... into place 2 Connect the touch pad connector and the device status lights LED connector to the system board 3 Replace the two screws on the top of the palm rest 4 Turn the computer over and replace the nine screws on the bottom of the computer to secure the palm rest Back to Contents Page 1 screws 2 2 palm rest 3 touch pad connector 4 device status lights LED connector 5 display hinge screw CAUTI...

Page 39: ... insertion If card orientation is not clear see the documentation that came with the card To install an ExpressCard 1 Hold the card with the top side of the card facing up 2 Slide the card into the slot until the card is completely seated in its connector If you encounter too much resistance do not force the card Check the card orientation and try again The computer recognizes the ExpressCard and ...

Page 40: ...ce Manual USB Connector Video Connector S Video TV Out Connector 1394 Connector HDMI Connector USB Connector Video Connector S Video TV Out Connector Pin Signal 1 USB5V 2 USBP 3 USBP 4 GND Pin Signal Pin Signal 1 CRT_R 9 5V 2 CRT_G 10 GND 3 CRT_B 11 MONITOR_DETECT 4 NC 12 DDC_DATA 5 GND 13 CRT_HS 6 GND 14 CRT_VS 7 GND 15 DDC_CLK 8 GND ...

Page 41: ... DLUMA L 4 DCRMA L Pin Signal 1 TPB 2 TPB 3 TPA 4 TPA Pin Signal Pin Signal 1 TMDS Data 2 11 TMDS Clock Shield 2 TMDS Data 2 Shield 12 TMDS Clock 3 TMDS Data 2 13 CEC 4 TMDS Data 1 14 No Connect 5 TMDS Data 1 Shield 15 DDC Clock 6 TMDS Data 1 16 DDC Data 7 TMDS Data 0 17 Ground 8 TMDS Data 0 Shield 18 5V Power ...

Page 42: ...Great user manuals database on UserManuals info Back to Contents Page 9 TMDS Data 0 19 Hot Plug Detect 10 TMDS Clock 20 SHELL ...

Page 43: ...fore You Begin 2 In the battery bay slide the SIM into the compartment with the cut off corner of the card facing away from the compartment Removing the SIM Press the SIM into the slot to release it When it is partially ejected remove the SIM from the battery bay Back to Contents Page CAUTION Before you begin any of the procedures in this section follow the safety instructions in the Product Infor...

Page 44: ... Assembly 1 Align the guide holdes in the speaker assembly with the guide posts on the base of the computer then lower the assembly into place 2 Replace the four securing screws 3 Route the speaker cables carefully through the routing channel 4 Connect the speaker cable to the system board 5 Replace the display assembly see Replacing the Display Assembly 6 Replace the keyboard see Replacing the Ke...

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Page 46: ...ng Mini Card 6 Remove the center control cover see Removing the Center Control Cover 7 Remove the keyboard see Removing the Keyboard 8 Remove the display assembly see Removing the Display Assembly 9 Remove the internal card with Bluetooth wireless technology if installed see Removing the Internal Card With Bluetooth Wireless Technology 10 Remove the palm rest see Removing the Palm Rest 11 Remove t...

Page 47: ...r the system board into place 2 Replace the four screws on the top of the system board 3 Follow the steps in Removing the System Board Assembly in reverse order S Video Board 1 processor heat sink fan cable connector 2 button board cable connector 3 speaker cable connector 4 wireless sniffer board connector 5 system board NOTE Depending on your system configuration the number of screws shown may b...

Page 48: ...ermal cooling assembly see Removing the Processor Thermal Cooling Assembly 13 Remove the processor see Removing the Processor Module 14 Remove the system board see Removing the System Board Assembly 15 Remove the screw securing the S Video board to the system board assembly 16 Carefully disconnect the S Video connector from the system board and seperate the S Video board from the system board asse...

Page 49: ...ed see Removing the Internal Card With Bluetooth Wireless Technology 10 Remove the palm rest see Removing the Palm Rest 11 Remove the ExpressCard cage see Removing the ExpressCard Cage 12 Remove the processor thermal cooling assembly see Removing the Processor Thermal Cooling Assembly 13 Remove the processor see Removing the Processor Module 14 Remove the system board see Removing the System Board...

Page 50: ...tly press to connect the charger board connector to the system board 2 Replace the two screws securing the charger board to the system board assembly 3 Follow the steps in Removing the Charger Board in the reverse order Back to Contents Page CAUTION Before you begin the following procedure follow the safety instructions in the Product Information Guide ...

Page 51: ...s of Microsoft Corporation in the United States and or other countries 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 Inc disclaims any proprietary interest in trademarks and trade names other than its own January 2008 Rev A00 Back to Contents Page NOTE A NOTE indicates important information that hel...

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