Sony PCV-L630 - Manual (Page 69)

System Board 61
LINE IN and LINE OUT Connectors
The LINE IN and LINE OUT jacks are stereo mini-jacks (3.5 mm) that
connect to a stereo audio device (not an audio source from a video
device). Connect a stereo audio output jack to the LINE IN jack, and the
LINE OUT jack to a stereo audio input jack.
LINE IN jack
Pin
Signal
Sleeve GND
Tip Audio-Left In
Ring Audio-Right In
LINE OUT jack
Pin
Signal
Sleeve GND
Tip Audio-Left Out
Ring Audio-Right Out
O N
1 2 3 4 5 6
KY0058.VSD
LINE IN
LINE OUT