NBLB2 Service Manual
12. Removing the Logic Upper
To remove the logic upper, first remove the battery pack, HDD, memory
module, ODD, keyboard, power board, wireless LAN, system fan, thermal
module, CPU, Bluetooth module, and LCD module as described in the
preceding sections. Follow the steps below to remove the logic upper.
1. Turn the computer upside down and remove 21 screws from the bottom
side of the notebook.
2. Turn the computer over again and disconnect all the board FFC, touchpad
as shown.
Summary of Contents for NBLB2
Page 1: ...NBLB2 Service Manual...
Page 6: ......
Page 7: ...1 Chapter 1 System Description Specification...
Page 12: ...NBLB2 Service Manual 6 Chapter 2 Software Specification...
Page 66: ...NBLB2 Service Manual 60 Chapter 3 Hardware...
Page 69: ...NBLB2 Service Manual 63 Chapter 4 DC DC Converter...
Page 74: ...NBLB2 Service Manual 68 VOLTAGE IDENTIFICATION CODES...
Page 75: ...NBLB2 Service Manual 69...
Page 76: ...NBLB2 Service Manual 70...
Page 83: ...NBLB2 Service Manual 77 Chapter 5 Disassembly Guide...
Page 89: ...NBLB2 Service Manual 83 4 Grasp the module and pull it out...
Page 103: ...NBLB2 Service Manual 97 3 Lift off the logic upper...
Page 111: ...NBLB2 Service Manual 97 3 Lift off the logic upper...
Page 118: ...NBLB2 Service Manual Chapter 6 Testing and Troubleshooting...
Page 121: ...NBLB2 Service Manual 107 Figure 6 1 Troubleshooting flowchart 1 2...
Page 122: ...NBLB2 Service Manual Figure 6 1 Troubleshooting flowchart 2 2...
Page 129: ...NBLB2 Service Manual 115 4 Display Troubleshooting Figure 6 3 Display troubleshooting process...
Page 132: ...5 Keyboard Troubleshooting Figure 6 4 Keyboard troubleshooting process...
Page 134: ...6 External USB Devices Troubleshooting Figure 6 5 External USB device troubleshooting process...
Page 136: ...7 CRT troubleshooting Figure 6 6 CRT troubleshooting process...
Page 138: ...8 HDMI troubleshooting Figure 6 7 HDMI troubleshooting process...
Page 140: ...9 Touch Pad Troubleshooting Figure 6 8 Touch Pad troubleshooting process...
Page 142: ...10 Speaker Troubleshooting Figure 6 9 Speaker troubleshooting process...
Page 144: ...11 CD ROM DVD Troubleshooting Figure 6 10 CD ROM DVD drive troubleshooting process...
Page 146: ...12 Wireless LAN Troubleshooting Figure 6 11 Wireless LAN troubleshooting process...