Lenovo G50 Manitenance Manual
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57 Lenovo G50-70/G50-70m/Z50-70 1130 Speakers and DC-in cable 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 13. Removal steps of speakers and DC-in cable Remove the speakers in the direction shown by arrows 1.
58 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 13. Removal steps of speakers and DC-in cable (continued) Remove the DC-in cable in the direction shown by arrow 2.
59 Lenovo G50-70/G50-70m/Z50-70 1140 LCD unit 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 • “1130 Speakers and DC-in cable” on page 57 Figure 14. Removal steps of LCD unit Release the antenna cables from the cable guides and then remove the screws 1. StepScrew (quantity)ColorTorque 1M2.5 × 4 mm, flat-head, nylok-coated (4) HINGE + D coverBlack2.5 ~ 3.0 kgf*cm When installing: • Route the antenna cables along the cable guides. As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. • Make sure that the LCD connector is attached firmly and that you do not pinch the antenna cables when you attach the LCD assembly. Route the LCD cable along the cable guides.
60 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 14. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrow 2.
61 Lenovo G50-70/G50-70m/Z50-70 1150 LCD front bezel, LCD panel, and hinges 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 • “1130 Speakers and DC-in cable” on page 57 • “1140 LCD unit” on page 59 Figure 15. Removal steps of LCD front bezel, LCD panel, and hinges Remove the LCD front bezel in the direction shown by arrows 1.
62 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 15. Removal steps of LCD front bezel, LCD panel, and hinges (continued) Remove the screws 2. StepScrew (quantity)ColorTorque 2M2 × 3.5 mm, flat-head, nylok-coated (4) LCD Module + CoverBlack1.5 ~ 2.0 kgf*cm Lift the LCD panel slightly 3. Peel off the adhesive tape and detach the connector in the direction shown by arrow 4. Then remove the LCD panel. When installing: Make sure that the metal connector is attached firmly.
63 Lenovo G50-70/G50-70m/Z50-70 Figure 15. Removal steps of LCD front bezel, LCD panel, and hinges (continued) Remove the screws 5. Then release the hinges in the direction shown by arrows 6. StepScrew (quantity)ColorTorque 5M2.5 × 3.5 mm, flat-head, nylok-coated (4) Hinge L & R + CoverWhite2.5 ~ 3.0 kgf*cm
64 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 1160 Camera 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 • “1130 Speakers and DC-in cable” on page 57 • “1140 LCD unit” on page 59 Figure 16. Removal steps of camera Detach the integrated camera connector in the direction shown by arrow 1.
65 Lenovo G50-70/G50-70m/Z50-70 Figure 16. Removal steps of camera (continued) Remove the camera in the direction shown by arrow 2. Note: The integrated camera is stuck on the top center of the LCD cover. When installing: Stick the integrated camera to the top center of the LCD cover and adjust its placement to make sure the connector is attached firmly.
66 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 1170 LCD cable and antenna 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 • “1130 Speakers and DC-in cable” on page 57 • “1140 LCD unit” on page 59 • “1150 LCD front bezel, LCD panel, and hinges” on page 61 Figure 17. Removal steps of LCD cable and antenna assembly Remove the LCD cable and antenna assembly in the direction shown by arrows 1.