Dell XPS L502X Service Manual page 68

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15 Remove heat sink (see "Removing the Heat Sink" on page 91).
16 Remove the system board (see "Removing the System Board" on page 99).
17 Remove the AC-adapter connector (see "Removing the AC-Adapter
Connector" on page 79).
18 Remove the USB board (see "Removing the USB Board" on page 83).
19 Remove the TV tuner connector (see "Removing the TV Tuner
Connector" on page 87).
20 Remove the speakers (see "Removing the Speakers" on page 105).
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