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Back to Contents Page Pinout Assignments for I/O Connectors Dell™ Inspiron™ 1100, 5100, and 5150 Service Manual S-Video TV-Out Connector USB Connector Video Connector IEEE 1394 Connector S-Video TV-Out Connector USB Connector S-Video Pin Signal 1 GND 2 GND 3 DLUMA-L 4 DCRMA-L Composite Video Pin Signal 5 NC 6 DCMPS-L 7 COMP/B Pin Signal 1 USB5V+ 2 USBP– 3 USBP+ Video Connector IEEE 1394 Connector Back to Contents Page 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 Pin Signal 1 TPB- 2 TPB+ 3 TPA- 4 TPA+ Back to Contents Page Speakers Dell™ Inspiron™ 1100, 5100, and 5150 Service Manual Removing the Speakers The speakers are located on the left and right corners of the front of the base plastics. Take note of the speaker cable routing so that you can replace the cables properly under or between their routing clips. 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the hard drive. 3. Remove the CD or DVD drive. 4. Remove the keyboard. 5. Remove the display assembly. 6. Remove the EMI shield. 7. Remove the palm rest. 8. Disconnect the speaker connector from the system board. 9. Remove the speaker cables from under or between their routing clips. 10. Remove the speakers by pulling them straight up and out of the base plastics. CAUTION: Before performing the following procedures, read the safety instructions in your Owner's Manual. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface. 1 left speaker 2 routing clips (3) 3 speaker connector 4 right speaker NOTICE: Remove the speaker cables from their routing clips with care to avoid damaging the cables. NOTICE: Handle the speakers with care to avoid damaging them. Installing the Speakers 1. Slide the speakers down into the base plastics. 2. Route the speaker cables under or between their routing clips. 3. Connect the speaker connector to the system board. Back to Contents Page NOTICE: Ensure that the speaker cables are under or between their routing clips. NOTE: Speakers face out in the base plastics holders. NOTE: The right speaker cable is longer than the left speaker cable. Back to Contents Page System Board Dell™ Inspiron™ 1100, 5100, and 5150 Service Manual Removing the System Board The system board's BIOS chip contains the Service Tag sequence, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the system board includes a CD that provides a utility for transferring the Service Tag sequence to the replacement system board. 1. Follow the instructions in "Preparing to Work Inside the Computer." 2. Remove the hard drive. 3. Remove the CD or DVD drive. 4. Remove the memory module(s). 5. Remove the modem. 6. Remove the Mini PCI card. 7. Remove the keyboard. 8. Remove the display assembly. 9. Remove the EMI shield. 10. Remove the video card. 11. Remove the palm rest. 12. Remove the microprocessor thermal-cooling assembly. 13. Remove the microprocessor. 14. Remove the speakers. 15. Remove the two M2.5 x 5-mm screws from the battery bay shield, and remove the shield. CAUTION: Before performing the following procedures, read the safety instructions in your Owner's Manual. CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface. 1 battery bay 2 battery bay shield 3 M2.5 x 5-mm screws (2) 16. Remove the three M2.5 x 5-mm system board screws from the hard drive cage. 17. Remove the two M2.5 x 5-mm system board screws from the optical drive cage. 18. Remove the two M2.5 x 5-mm screws that secure the left antenna to the hard drive and optical drive cages (Inspiron™ 5100 and 5150 only). 19. Remove the two hex nuts that secure the video connector to the base plastics. 1 hard drive cage 2 M2.5 x 5-mm screws (3) 3 optical drive cage 4 M2.5 x 5-mm screws (2) 1 optical drive cage 2 M2.5 x 5-mm screws (2) 3 left antenna 4 hard drive cage 20. Lift the front of the system board out and away from the base plastics. Installing the System Board 1. Insert the video connector on the replacement system board through the back of the base plastics. 2. Replace the two hex nuts that secure the video connector to the base plastics. 3. Replace the two M2.5 x 5-mm screws that secure the left antenna, which is located between the hard drive and optical drive cages, to the system board (Inspiron™ 5100 and 5150 only). 4. Replace the two M2.5 x 5-mm screws that secure the optical drive cage to the system board. 5. Replace the three M2.5 x 5-mm screws that secure the hard drive cage to the system board. 6. Replace the battery bay shield, and reinstall the two M2.5 x 5-mm scre...