Sony PCG-R505JS - Manual (Page 67)

Connecting External Speakers
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Connecting External Speakers
You can connect external speakers to your notebook to enhance the sound quality
of your notebook. See the manual that came with your speakers for more
information on its installation and use.
Before connecting your external speakers
1 Verify that your speakers are designed for computer use.
2 Turn down the volume of the speakers before you turn them on.
To connect your external speakers
1 Locate the green Headphone jack on the right side of your notebook.
2 Plug the speaker cable into the Headphone jack.
Do not place floppy disks on the speakers. The magnetic field of the speakers
may damage the data on the floppy disks.
Connecting Speakers to the Headphone Jack
Speakers
Speaker cable
(supplied with speakers)
To Headphones