Sony VAIO PCV-J150 Reference Manual page 25

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.
HEADPHO NES
Connector
HEADPHONES
MIC
LINE IN
TELEPHONE and LINE
The TELEPHONE and LINE jacks are physically identical and have
identical connections. They are standard RJ-11 female phone jacks.
However, the LINE jack is for connecting to a telephone line that comes
from the wall, and the TELEPHONE jack is for connecting the computer
to a telephone.
LINE PHO NE
✍
Accidentally plugging a phone line from the wall into the modem's
TELEPHONE jack, and a telephone into the LINE jack, will not damage the
modem card or telephone equipment. However, the modem will not work
correctly.
LINE IN MIC
Description
1.0 Vrms (typical).
Electret condenser microphone input.
1.0 Vrms (typical), 10 Kohm impedance.
Identifying Components
11
KY0013.VSD
KY0014.VSD