Lenovo J105 Hardware Maintenance Manual - Page 130

components.

Get Lenovo J105 PDF manuals and user guides View all Lenovo J105 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 130 highlights

Replacing the power supply Attention Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no servicable parts inside these components. 1. Remove the cover. See "Removing the cover" on page 114. 2. Remove the drive bay assembly. See "Removing and replacing the drive bay assembly" on page 119. 3. Disconnect all power supply cables from the drives. 4. Disconnect all power supply cables from the system board. See "Identifying parts on the system board" on page 116. 5. Remove the hard disk drive. See "Replacing the hard disk drive" on page 139. 6. The system board must be moved out of the way to remove the power supply. Remove the screws that secure the system board to the chassis and slide the system board away from the power supply. Note: You do not have to remove the system board from the chassis to remove the power supply. 7. At the rear of the chassis, remove the three screws that secure the power supply. Also remove the screw that secures the power supply at the front. 8. Lift the power supply out of the chassis. 9. Install the new power supply and install the three screws that secure the power supply at the rear of the chassis and install the screw that secures the power supply at the front. 124 Lenovo 3000 J Series

  • 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
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
Replacing
the
power
supply
Attention
Never
remove
the
cover
on
a
power
supply
or
any
part
that
has
the
following
label
attached.
Hazardous
voltage,
current,
and
energy
levels
are
present
inside
any
component
that
has
this
label
attached.
There
are
no
servicable
parts
inside
these
components.
1.
Remove
the
cover.
See
“Removing
the
cover”
on
page
114.
2.
Remove
the
drive
bay
assembly.
See
“Removing
and
replacing
the
drive
bay
assembly”
on
page
119.
3.
Disconnect
all
power
supply
cables
from
the
drives.
4.
Disconnect
all
power
supply
cables
from
the
system
board.
See
“Identifying
parts
on
the
system
board”
on
page
116.
5.
Remove
the
hard
disk
drive.
See
“Replacing
the
hard
disk
drive”
on
page
139.
6.
The
system
board
must
be
moved
out
of
the
way
to
remove
the
power
supply.
Remove
the
screws
that
secure
the
system
board
to
the
chassis
and
slide
the
system
board
away
from
the
power
supply.
Note:
You
do
not
have
to
remove
the
system
board
from
the
chassis
to
remove
the
power
supply.
7.
At
the
rear
of
the
chassis,
remove
the
three
screws
that
secure
the
power
supply.
Also
remove
the
screw
that
secures
the
power
supply
at
the
front.
8.
Lift
the
power
supply
out
of
the
chassis.
9.
Install
the
new
power
supply
and
install
the
three
screws
that
secure
the
power
supply
at
the
rear
of
the
chassis
and
install
the
screw
that
secures
the
power
supply
at
the
front.
124
Lenovo
3000
J
Series