Sony PCG-GRX690P - Manual (Page 147)

Using Speakers, CD Players, or Amplifiers
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Disconnecting active speakers or amplifiers
You can disconnect active speakers or amplifiers when the computer is on or off.
Simply unplug the audio cable from the LINE OUT on the port replicator or the
A/V OUT jack on the computer.
Connecting CD, MiniDisc, or audio cassette players
You can connect CD, MiniDisc, or audio cassette players to the port replicator.
To connect CD, MiniDisc, or audio cassette players
1 Connect the port replicator to the computer. See “Connecting a Port
Replicator” for more information.
2 Plug the audio cable into the LINE IN jacks on the port replicator. The LINE
IN jacks consist of one Audio (L) jack and one Audio (R) jack.
3 Plug the other end of the audio cable into the player.
Connecting Active Speakers or Amplifiers to the Computer
Active speakers
A/V OUT jack
or amplifiers
Audio cable
(not supplied)