HP EliteBook 720 Maintenance and Service Guide - Page 54

WWAN module, Remove the Phillips PM2.0×2.5 screw

Get HP EliteBook 720 PDF manuals and user guides View all HP EliteBook 720 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 54 highlights

WWAN module Description HP hs3110 HSPA+ Mobile Broadband Module HP lt4112 LTE/HPSA+ Mobile Broadband Module HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module Spare part number 822828-001 790198-001 793116-001 Before removing the WWAN module, follow these steps: 1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the service cover (see Service cover on page 37). 5. Remove the battery (see Battery on page 39). Remove the WWAN module: 1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module. NOTE: The WWAN antenna cable labeled "5" connects to the WWAN module "Main" terminal labeled "5". The WWAN antenna cable labeled "6" connects to the WWAN module "Aux/GPS" terminal labeled "6". 2. Remove the Phillips PM2.0×2.5 screw (2) that secures the WWAN module to the system board. (The WWAN module tilts up.) 3. Remove the WWAN module (3) by pulling the module away from the slot at an angle. NOTE: If the WWAN antenna cables are not connected to the terminals on the WWAN module, protective sleeves should be installed on the antenna connectors, as shown in the following illustration. 44 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts

  • 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
WWAN module
Description
Spare part number
HP hs3110 HSPA+ Mobile Broadband Module
822828-001
HP lt4112 LTE/HPSA+ Mobile Broadband Module
790198-001
HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module
793116-001
Before removing the WWAN module, follow these steps:
1.
Turn
off
the computer. If you are unsure whether the computer is
off
or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the service cover (see
Service cover
on page
37
).
5.
Remove the battery (see
Battery
on page
39
).
Remove the WWAN module:
1.
Disconnect the WWAN antenna cables
(1)
from the terminals on the WWAN module.
NOTE:
The WWAN antenna cable labeled “5” connects to the WWAN module “Main” terminal labeled
“5”. The WWAN antenna cable labeled “6” connects to the WWAN module “Aux/GPS” terminal labeled
“6”.
2.
Remove the Phillips PM2.0×2.5 screw
(2)
that secures the WWAN module to the system board. (The
WWAN module tilts up.)
3.
Remove the WWAN module
(3)
by pulling the module away from the slot at an angle.
NOTE:
If the WWAN antenna cables are not connected to the terminals on the WWAN module, protective
sleeves should be installed on the antenna connectors, as shown in the following illustration.
44
Chapter 5
Removal and replacement procedures for Customer Self-Repair parts