HP G60 549DX Service Guide - Page 78

Disconnect the RJ-11 cable, from its mounting clip in the base enclosure.

Page 78 highlights

When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ■ RTC battery (see "RTC battery" on page 4-12) ■ Memory module (see "Memory module" on page 4-13) ■ WLAN module (see "WLAN module" on page 4-15) ■ Fan/heat sink assembly (see "Fan/heat sink assembly" on page 4-41) ■ Processor (see "Processor" on page 4-44) Remove the system board: 1. Disconnect the USB board cable 1 from its mounting clip in the base enclosure. 2. Disconnect the Bluetooth cable 2 from the system board. 3. Disconnect the RJ-11 cable 3 from the system board. 4. Disconnect the audio cable 4 from the system board. Ä CAUTION: Do not attempt to disconnect the optical extension board before removing the system board. Otherwise, you will damage the locator pin on the optical extension board. 5. Remove the four Phillips PM2.5x6.0 screws 1 that secure the system board 6. Remove the two Phillips PM2.5x5.0 screws 2 that secure the optical extension board. Removal and replacement procedures 4-39

  • 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

Removal and replacement procedures
4–39
When replacing the system board, be sure that the following components are removed from the defective system
board and installed on the replacement system board:
RTC battery (see
“RTC battery” on page 4-12
)
Memory module (see
“Memory module” on page 4-13
)
WLAN module (see
“WLAN module” on page 4-15
)
Fan/heat sink assembly (see
“Fan/heat sink assembly” on page 4-41
)
Processor (see
“Processor” on page 4-44
)
Remove the system board:
1. Disconnect the USB board cable
1
from its mounting clip in the base enclosure.
2. Disconnect the Bluetooth cable
2
from the system board.
3. Disconnect the RJ-11 cable
3
from the system board.
4. Disconnect the audio cable
4
from the system board.
Ä
CAUTION:
Do not attempt to disconnect the optical extension board before removing the system board. Otherwise, you will
damage the locator pin on the optical extension board.
5. Remove the four Phillips PM2.5x6.0 screws
1
that secure the system board
6. Remove the two Phillips PM2.5x5.0 screws
2
that secure the optical extension board.