Lenovo U400 Laptop Hardware Maintenance Manual - IdeaPad U300, U300s and U400 - Page 63

USB Board (U300s), remove two screws

Page 63 highlights

Lenovo IdeaPad U300/U300s/U400 1050 USB Board (U300s) For access, remove these FRUs in order: •• "1010 Base cover (U300s)" on page 54 •• "1020 Battery pack (U300s)" on page 56 •• "1030 Speakers (U300s)" on page 57 Figure 5. Removal steps of USB board Unplug three connectors in the direction by arrows 1 2, remove two screws 3, then remove the USB board 4. 3 3 4 2 1 2 Step 3 Screw (quantity) M2 × 3 mm, flat-head, nylok-coated (2) Color Torque Black 1.5 ± 0.2 kgfcm 59

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132

59
Lenovo IdeaPad U300/U300s/U400
1050 USB Board (U300s)
For access, remove these FRUs in order:
“1010 Base cover (U300s)” on page 54
“1020 Battery pack (U300s)” on page 56
“1030 Speakers (U300s)” on page 57
Figure 5. Removal steps of USB board
Unplug three connectors in the direction by arrows
1
2
, remove two screws
3
,
then remove the USB board
4
.
3
3
2
4
2
1
Step
Screw (quantity)
Color
Torque
3
M2 × 3 mm, flat-head, nylok-coated (2)
Black
1.5 ± 0.2 kgfcm