Palsonic PDP4225HD - Manual (Page 12)

Carefully check the terminals for position and type before making any connections.
The illustration of the external equipment may be different depending on your model.
Loose connectors can result in image or color problems. Make sure that all connectors are securely inserted into their
terminals.
Refer to the operating manual of the external device as well.
When connecting an external device, turn the power off to avoid any issues.
Cautions before connecting
Connections
9
Connecting digital coaxial audio
Audio Processor HIFi System
OR
S/PDIF IN
(Coaxial)
Coaxial cable
For a full Home Theater sound experience, you must connect your Hi-Fi or
Audio processor to the S/PDIF OUT(Coaxial) terminal on the TV rear.
The S/PDIF OUT terminal only can output digital TV program’s audio.
Note
TV REAR