Sony PCV-R553DS - Manual (Page 26)

VAIO Digital Studio™ Reference Manual 12
GAME Connector
The GAME connector is a standard 15-pin DB-15 female connector. The
GAME connector is also used to connect MIDI devices.
MIC, LINE IN, and HEADPHONES
The MIC, LINE IN, and HEADPHONES jacks are physically identical,
but have different connections. They are standard 3.5 mm stereo mini-
jacks.
Connector Description
HEADPHONES 1.0 Vrms (typical).
MIC Electret condenser microphone input.
LINE IN 1.0 Vrms (typical), 10 Kohm impedance.
8
1
15
9
KY0012.VSD
HEADPHONES LINE IN MIC
KY0013.VSD