Lenovo G50 Manitenance Manual
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Page 51
47 Lenovo G50-70/G50-70m/Z50-70 Figure 9. Removal steps of keyboard bezel (continued) Disconnect the touchpad cable connector and the power board connector in the directions shown by arrows 3 and 4. Remove the keyboard bezel in the direction shown by arrow 5.
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48 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 9. Removal steps of keyboard bezel (continued) Remove the screw 6. StepScrew (quantity)ColorTorque 6M2 × 3.5 mm, flat-head, nylok-coated (1) Power BD+CBlack1.5 ~ 2.0 kgf*cm Carefully remove the power board in the direction shown by arrow 7.
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49 Lenovo G50-70/G50-70m/Z50-70 1100 ODD board and USB&audio board For access, remove these FRUs in order: • “1010 Battery pack” on page 32 • “1020 Base cover” on page 33 • “1030 Optical drive” on page 35 • “1040 Hard disk drive” on page 36 • “1050 PCI Express Mini Card for wireless LAN” on page 38 • “1070 Fan assembly” on page 41 • “1080 Keyboard” on page 43 • “1090 Keyboard bezel” on page 46 Figure 10. Removal steps of ODD board and USB&audio board Detach the ODD board connector in the directions...
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50 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 10. Removal steps of ODD board and USB&audio board (continued) Remove the ODD board 4.
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51 Lenovo G50-70/G50-70m/Z50-70 Figure 10. Removal steps of ODD board and USB&audio board (continued) Detach the USB&audio board connector in the directions shown by arrows 5 and 6. Remove the screw 7. StepScrew (quantity)ColorTorque 7M2 × 3.5 mm, flat-head, nylok-coated (1) USB board + D Black1.5 ~ 2.0 kgf*cm
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52 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 10. Removal steps of ODD board and USB&audio board (continued) Remove the USB&audio board 8.
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53 Lenovo G50-70/G50-70m/Z50-70 111 0 System board Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough handling of any kind. • During the whole process, make sure not to drop or stack the system board. • If you put a system board down, make sure to put it only on a padded surface such as an ESD...
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54 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 11. Removal steps of system board (continued) Unplug the speaker connector in the direction shown by arrow 3. Remove the screws 4. StepScrew (quantity)ColorTorque 4M2 × 3.5 mm, flat-head, nylok-coated (3) MB + D Black1.5 ~ 2.0 kgf*cm
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55 Lenovo G50-70/G50-70m/Z50-70 Figure 11. Removal steps of system board (continued) Remove the system board in the direction shown by arrow 5.
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56 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 1120 Heat sink assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 32 • “1020 Base cover” on page 33 • “1030 Optical drive” on page 35 • “1040 Hard disk drive” on page 36 • “1050 PCI Express Mini Card for wireless LAN” on page 38 • “1070 Fan assembly” on page 41 • “1080 Keyboard” on page 43 • “1090 Keyboard bezel” on page 46 • “1100 ODD board and USB&audio board” on page 49 • “1110 System board” on page 53 Figure 12. Removal...