HP Dv71270us Service Guide - Page 100

RTC battery see, TV tuner module see

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Page 100 highlights

4. Remove the battery (see Battery on page 51). 5. Remove the following components: a. Optical drive (see Optical drive on page 54) b. Hard drive (see Hard drive on page 56) c. Switch cover (see Switch cover on page 66) d. Keyboard (see Keyboard on page 68) e. Bluetooth module (see Bluetooth module on page 71) f. Speaker assembly (see Speaker assembly on page 72) g. Display assembly (see Display assembly on page 73) h. Top cover (see Top cover on page 82) 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: ● TV tuner module (see TV tuner module on page 58) ● RTC battery (see RTC battery on page 60) ● WLAN module (see WLAN module on page 61) ● Memory module (see Memory module on page 64) ● Modem module (see Modem module on page 90) ● Heat sink (see Heat sink on page 102) ● Processor (see Processor on page 106) 92 Chapter 4 Removal and replacement procedures

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4.
Remove the battery (see
Battery
on page
51
).
5.
Remove the following components:
a.
Optical drive (see
Optical drive
on page
54
)
b.
Hard drive (see
Hard drive
on page
56
)
c.
Switch cover (see
Switch cover
on page
66
)
d.
Keyboard (see
Keyboard
on page
68
)
e.
Bluetooth module (see
Bluetooth module
on page
71
)
f.
Speaker assembly (see
Speaker assembly
on page
72
)
g.
Display assembly (see
Display assembly
on page
73
)
h.
Top cover (see
Top cover
on page
82
)
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:
●
TV tuner module (see
TV tuner module
on page
58
)
●
RTC battery (see
RTC battery
on page
60
)
●
WLAN module (see
WLAN module
on page
61
)
●
Memory module (see
Memory module
on page
64
)
●
Modem module (see
Modem module
on page
90
)
●
Heat sink (see
Heat sink
on page
102
)
●
Processor (see
Processor
on page
106
)
92
Chapter 4
Removal and replacement procedures