Sony PCV-E518DS - Manual (Page 75)

System Board 67
Optical Digital Audio Output Connector
The Optical Digital Audio Output connector (J23) on the system board is
a 2 x 7-pin straight header connector and connects to CN301 on the
Optical Digital Audio Output Paddle card.
J23
Pin Signal Name
1 GND
2 NC
3 GND
4 NC
5 GND
6 NC
7 GND
8 RESERVED (key)
9 NC
10 NC (key)
11 DOUT
12 GND
13 RET (GND)
14 GND
KY0063.VSD
J23
1
13
2
14