Sharp LC-40Q3020U Quick Start Manual page 11

TV label Port
DIGITAL AUDIO OUT
/ AUDIO OUT
USB
SERVICE
Cable
White
Red
This port is not available for you to connect an external device. It can only be used by our factory for testing
purposes.
External Equipment
Speaker
Speaker
8
Brief Description
Connect an optical cable from an external
digital audio system.
Connect headphones to hear audio from the
TV.
Connect an audio adapter (not provided) from
an external analog audio system.
Connect a USB device for browsing photos
and movies.
The unit only recognizes a USB Memory Stick.