Lenovo E50-70 Laptop Hardware Maintenance Manual - Lenovo E40-xx0, E50-xx - Page 93

LED board and ODD switch board

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Page 93 highlights

• "1080 Upper case" on page 71 • "1090 Audio board, audio board cable, power board, touch pad board cable, finger printer board, LED board and ODD switch board" on page 73 • "1100 System board" on page 76 • "1120 Speaker assembly, docking LED lens and docking bracket" on page 82 • "1130 LCD unit, docking board, docking cable and DC-in cable" on page 83 • "1140 LCD front bezel" on page 86 Removal steps of the LCD panel, EDP cable and hinges Remove four screws 1 and then remove the LCD panel 2 . a a ab a b b Step 1 Screw (quantity) M2.5 × 4mm, flat-headed, nylon-coated (4) (E40) M2 × 3mm, flat-headed, nylon-coated (4) (E50) Disconnect the EDP cable connector 3 . Color Black Black Torque 3.0 +/- 0.3kgf-cm 1.85 +/- 0.15kgf-cm a When installing: Ensure that the connector is attached firmly. Remove two screws 4 and the remove the hinges in the direction shown by arrow 5 . d e d e Step 4 Screw (quantity) M2.5 × 4mm, flat-headed, nylon-coated (2) Color Black Torque 3.0 +/- 0.3kgf-cm Chapter 10. Removing or replacing a FRU 87

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• “1080 Upper case” on page 71
• “1090 Audio board, audio board cable, power board, touch pad board cable, finger printer board,
LED board and ODD switch board” on page 73
• “1100 System board” on page 76
• “1120 Speaker assembly, docking LED lens and docking bracket” on page 82
• “1130 LCD unit, docking board, docking cable and DC-in cable” on page 83
• “1140 LCD front bezel” on page 86
RemovalstepsoftheLCDpanel,EDPcableandhinges
Remove four screws
1
and then remove the LCD panel
2
.
Step
Screw(quantity)
Color
Torque
M2.5×4mm,flat-headed,nylon-coated(4)(E40)
Black
3.0+/-0.3kgf-cm
1
M2×3mm,flat-headed,nylon-coated(4)(E50)
Black
1.85+/-0.15kgf-cm
Disconnect the EDP cable connector
3
.
Wheninstalling:
Ensure that the connector is attached firmly.
Removetwoscrews
4
andtheremovethehingesinthedirectionshownbyarrow
5
.
Step
Screw(quantity)
Color
Torque
4
M2.5 × 4mm, flat-headed, nylon-coated (2)
Black
3.0+/-0.3kgf-cm
Chapter 10
.
Removing or replacing a FRU
87